alex/stm32-falling-sand
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

wip why does HSE run at 16MHz?

Browse Source
This commit is contained in:
Alexander Heldt
2024-12-28 15:03:49 +01:00
parent 4adddddd83
commit 1a1bfda5cf
21 changed files with 1981 additions and 1554 deletions
Download Patch File Download Diff File Expand all files Collapse all files
README.md
+18 -2
View File
@@ -9,11 +9,27 @@ make build
## Probe for the board ## Probe for the board
Run Run
```sh ```sh
st-info --probe st-info --probe
``` ```
## Flashing ## Flashing
Run Run
```sh ```sh
make flash make flash
``` ```
## Debugging
### `st-info --probe` shows 0KB flash
```
> sudo st-info --probe
Found 1 stlink programmers
version: V2J43S28
serial: 0671FF343056363043090732
flash: 0 (pagesize: 16384) <--- 0KB flash
sram: 131072
chipid: 0x431
dev-type: STM32F411xC_xE
```
This can happen when the flash is locked. One way to unlock it is to erase the entire chip via the
Windows application `ST-Link Util`.
build/final.elf
BIN
View File
Binary file not shown.
build/final.elf.map
+141 -141
View File
@@ -53,7 +53,7 @@ Discarded input sections
.debug_macro 0x00000000 0x89 build/main.o .debug_macro 0x00000000 0x89 build/main.o
.debug_macro 0x00000000 0x4cc build/main.o .debug_macro 0x00000000 0x4cc build/main.o
.debug_macro 0x00000000 0x22 build/main.o .debug_macro 0x00000000 0x22 build/main.o
.debug_macro 0x00000000 0x88 build/main.o .debug_macro 0x00000000 0xa0 build/main.o
.group 0x00000000 0xc build/startup.o .group 0x00000000 0xc build/startup.o
.group 0x00000000 0xc build/startup.o .group 0x00000000 0xc build/startup.o
.group 0x00000000 0xc build/startup.o .group 0x00000000 0xc build/startup.o
@@ -128,7 +128,7 @@ Discarded input sections
.debug_macro 0x00000000 0x1df build/usart.o .debug_macro 0x00000000 0x1df build/usart.o
.debug_macro 0x00000000 0x89 build/usart.o .debug_macro 0x00000000 0x89 build/usart.o
.debug_macro 0x00000000 0x4cc build/usart.o .debug_macro 0x00000000 0x4cc build/usart.o
.debug_macro 0x00000000 0x13e build/usart.o .debug_macro 0x00000000 0x19f build/usart.o
.debug_macro 0x00000000 0x22 build/usart.o .debug_macro 0x00000000 0x22 build/usart.o
.debug_macro 0x00000000 0x82 build/usart.o .debug_macro 0x00000000 0x82 build/usart.o
@@ -157,7 +157,7 @@ LOAD build/usart.o
0x08000000 interrupt_vector_table 0x08000000 interrupt_vector_table
0x08000198 . = ALIGN (0x4) 0x08000198 . = ALIGN (0x4)
.text 0x08000198 0x4e4 .text 0x08000198 0x4d4
0x08000198 . = ALIGN (0x4) 0x08000198 . = ALIGN (0x4)
*(.text) *(.text)
*(.text.*) *(.text.*)
@@ -169,129 +169,129 @@ LOAD build/usart.o
0x080001fa gpio_write 0x080001fa gpio_write
*fill* 0x08000246 0x2 *fill* 0x08000246 0x2
.text.system_clock_init .text.system_clock_init
0x08000248 0x144 build/main.o 0x08000248 0x128 build/main.o
.text.main 0x0800038c 0x9c build/main.o .text.main 0x08000370 0x9c build/main.o
0x0800038c main 0x08000370 main
.text.init_memory .text.init_memory
0x08000428 0x64 build/startup.o 0x0800040c 0x64 build/startup.o
0x08000428 init_memory 0x0800040c init_memory
.text.reset 0x0800048c 0x10 build/startup.o .text.reset 0x08000470 0x10 build/startup.o
0x0800048c reset 0x08000470 reset
.text.default_handler .text.default_handler
0x0800049c 0x8 build/startup.o 0x08000480 0x8 build/startup.o
0x0800049c exti0 0x08000480 exti0
0x0800049c debug_monitor 0x08000480 debug_monitor
0x0800049c rcc 0x08000480 rcc
0x0800049c x 0x08000480 x
0x0800049c sdio 0x08000480 sdio
0x0800049c usage_fault 0x08000480 usage_fault
0x0800049c tim1_up_tim10 0x08000480 tim1_up_tim10
0x0800049c usart1 0x08000480 usart1
0x0800049c i2c3_er 0x08000480 i2c3_er
0x0800049c spi2 0x08000480 spi2
0x0800049c dma1_stream1 0x08000480 dma1_stream1
0x0800049c bus_fault 0x08000480 bus_fault
0x0800049c spi5 0x08000480 spi5
0x0800049c exti3 0x08000480 exti3
0x0800049c dma2_stream5 0x08000480 dma2_stream5
0x0800049c tim2 0x08000480 tim2
0x0800049c dma1_stream6 0x08000480 dma1_stream6
0x0800049c default_handler 0x08000480 default_handler
0x0800049c i2c1_er 0x08000480 i2c1_er
0x0800049c hard_fault 0x08000480 hard_fault
0x0800049c usart6 0x08000480 usart6
0x0800049c exti15_10 0x08000480 exti15_10
0x0800049c usart2 0x08000480 usart2
0x0800049c pend_sv 0x08000480 pend_sv
0x0800049c i2c1_ev 0x08000480 i2c1_ev
0x0800049c wwdg 0x08000480 wwdg
0x0800049c adc 0x08000480 adc
0x0800049c rtc_alarm 0x08000480 rtc_alarm
0x0800049c spi3 0x08000480 spi3
0x0800049c exti1 0x08000480 exti1
0x0800049c mem_manage 0x08000480 mem_manage
0x0800049c dma2_stream1 0x08000480 dma2_stream1
0x0800049c dma1_stream2 0x08000480 dma1_stream2
0x0800049c dma2_stream3 0x08000480 dma2_stream3
0x0800049c sv_call 0x08000480 sv_call
0x0800049c tim3 0x08000480 tim3
0x0800049c otg_fs 0x08000480 otg_fs
0x0800049c dma1_stream5 0x08000480 dma1_stream5
0x0800049c dma2_stream6 0x08000480 dma2_stream6
0x0800049c flash 0x08000480 flash
0x0800049c tamp_stamp 0x08000480 tamp_stamp
0x0800049c i2c3_ev 0x08000480 i2c3_ev
0x0800049c rtc_wkup 0x08000480 rtc_wkup
0x0800049c dma2_stream0 0x08000480 dma2_stream0
0x0800049c pvd 0x08000480 pvd
0x0800049c fpu 0x08000480 fpu
0x0800049c exti4 0x08000480 exti4
0x0800049c exti2 0x08000480 exti2
0x0800049c spi1 0x08000480 spi1
0x0800049c dma1_stream0 0x08000480 dma1_stream0
0x0800049c tim1_brk_tim9 0x08000480 tim1_brk_tim9
0x0800049c i2c2_ev 0x08000480 i2c2_ev
0x0800049c otg_fs_wkup 0x08000480 otg_fs_wkup
0x0800049c spi4 0x08000480 spi4
0x0800049c dma2_stream2 0x08000480 dma2_stream2
0x0800049c tim1_cc 0x08000480 tim1_cc
0x0800049c tim1_trg_com_tim11 0x08000480 tim1_trg_com_tim11
0x0800049c exti9_5 0x08000480 exti9_5
0x0800049c dma1_stream3 0x08000480 dma1_stream3
0x0800049c dma2_stream4 0x08000480 dma2_stream4
0x0800049c i2c2_er 0x08000480 i2c2_er
0x0800049c dma2_stream7 0x08000480 dma2_stream7
0x0800049c dma1_stream7 0x08000480 dma1_stream7
0x0800049c nmi 0x08000480 nmi
0x0800049c systick 0x08000480 systick
0x0800049c tim4 0x08000480 tim4
0x0800049c tim5 0x08000480 tim5
0x0800049c dma1_stream4 0x08000480 dma1_stream4
.text.tim4_init .text.tim4_init
0x080004a4 0x40 build/timer.o 0x08000488 0x40 build/timer.o
0x080004a4 tim4_init 0x08000488 tim4_init
.text.tim4_start .text.tim4_start
0x080004e4 0x20 build/timer.o 0x080004c8 0x20 build/timer.o
0x080004e4 tim4_start 0x080004c8 tim4_start
.text.usart2_init .text.usart2_init
0x08000504 0xec build/usart.o 0x080004e8 0xf8 build/usart.o
0x08000504 usart2_init 0x080004e8 usart2_init
.text.usart2_start .text.usart2_start
0x080005f0 0x20 build/usart.o 0x080005e0 0x20 build/usart.o
0x080005f0 usart2_start 0x080005e0 usart2_start
.text.usart2_write_byte .text.usart2_write_byte
0x08000610 0x30 build/usart.o 0x08000600 0x30 build/usart.o
0x08000610 usart2_write_byte 0x08000600 usart2_write_byte
.text.usart2_write .text.usart2_write
0x08000640 0x2a build/usart.o 0x08000630 0x2a build/usart.o
0x08000640 usart2_write 0x08000630 usart2_write
*(.rodata) *(.rodata)
*fill* 0x0800066a 0x2 *fill* 0x0800065a 0x2
.rodata 0x0800066c 0xe build/main.o .rodata 0x0800065c 0xf build/main.o
*(.rodata.*) *(.rodata.*)
0x0800067c . = ALIGN (0x4) 0x0800066c . = ALIGN (0x4)
*fill* 0x0800067a 0x2 *fill* 0x0800066b 0x1
0x0800067c _data_addr = LOADADDR (.data) 0x0800066c _data_addr = LOADADDR (.data)
.glue_7 0x0800067c 0x0 .glue_7 0x0800066c 0x0
.glue_7 0x0800067c 0x0 linker stubs .glue_7 0x0800066c 0x0 linker stubs
.glue_7t 0x0800067c 0x0 .glue_7t 0x0800066c 0x0
.glue_7t 0x0800067c 0x0 linker stubs .glue_7t 0x0800066c 0x0 linker stubs
.vfp11_veneer 0x0800067c 0x0 .vfp11_veneer 0x0800066c 0x0
.vfp11_veneer 0x0800067c 0x0 linker stubs .vfp11_veneer 0x0800066c 0x0 linker stubs
.v4_bx 0x0800067c 0x0 .v4_bx 0x0800066c 0x0
.v4_bx 0x0800067c 0x0 linker stubs .v4_bx 0x0800066c 0x0 linker stubs
.iplt 0x0800067c 0x0 .iplt 0x0800066c 0x0
.iplt 0x0800067c 0x0 build/main.o .iplt 0x0800066c 0x0 build/main.o
.rel.dyn 0x0800067c 0x0 .rel.dyn 0x0800066c 0x0
.rel.iplt 0x0800067c 0x0 build/main.o .rel.iplt 0x0800066c 0x0 build/main.o
.data 0x20000000 0x0 load address 0x0800067c .data 0x20000000 0x0 load address 0x0800066c
0x20000000 . = ALIGN (0x4) 0x20000000 . = ALIGN (0x4)
0x20000000 _data_start = . 0x20000000 _data_start = .
*(.data) *(.data)
@@ -299,10 +299,10 @@ LOAD build/usart.o
0x20000000 . = ALIGN (0x4) 0x20000000 . = ALIGN (0x4)
0x20000000 _data_end = . 0x20000000 _data_end = .
.igot.plt 0x20000000 0x0 load address 0x0800067c .igot.plt 0x20000000 0x0 load address 0x0800066c
.igot.plt 0x20000000 0x0 build/main.o .igot.plt 0x20000000 0x0 build/main.o
.bss 0x20000000 0x0 load address 0x0800067c .bss 0x20000000 0x0 load address 0x0800066c
0x20000000 . = ALIGN (0x4) 0x20000000 . = ALIGN (0x4)
0x20000000 _bss_start = . 0x20000000 _bss_start = .
*(.bss) *(.bss)
@@ -351,7 +351,7 @@ LOAD linker stubs
.debug_rnglists .debug_rnglists
0x0000006c 0x26 build/usart.o 0x0000006c 0x26 build/usart.o
.debug_macro 0x00000000 0x48a9 .debug_macro 0x00000000 0x499b
.debug_macro 0x00000000 0xb56 build/gpio.o .debug_macro 0x00000000 0xb56 build/gpio.o
.debug_macro 0x00000b56 0x22 build/gpio.o .debug_macro 0x00000b56 0x22 build/gpio.o
.debug_macro 0x00000b78 0x75 build/gpio.o .debug_macro 0x00000b78 0x75 build/gpio.o
@@ -366,39 +366,39 @@ LOAD linker stubs
.debug_macro 0x0000108c 0x89 build/gpio.o .debug_macro 0x0000108c 0x89 build/gpio.o
.debug_macro 0x00001115 0x4cc build/gpio.o .debug_macro 0x00001115 0x4cc build/gpio.o
.debug_macro 0x000015e1 0x22 build/gpio.o .debug_macro 0x000015e1 0x22 build/gpio.o
.debug_macro 0x00001603 0x88 build/gpio.o .debug_macro 0x00001603 0xa0 build/gpio.o
.debug_macro 0x0000168b 0xb89 build/main.o .debug_macro 0x000016a3 0xb89 build/main.o
.debug_macro 0x00002214 0x144 build/main.o .debug_macro 0x0000222c 0x1a5 build/main.o
.debug_macro 0x00002358 0x46 build/main.o .debug_macro 0x000023d1 0x46 build/main.o
.debug_macro 0x0000239e 0x2e build/main.o .debug_macro 0x00002417 0x2e build/main.o
.debug_macro 0x000023cc 0x22 build/main.o .debug_macro 0x00002445 0x22 build/main.o
.debug_macro 0x000023ee 0x82 build/main.o .debug_macro 0x00002467 0x82 build/main.o
.debug_macro 0x00002470 0xb02 build/startup.o .debug_macro 0x000024e9 0xb02 build/startup.o
.debug_macro 0x00002f72 0x56 build/startup.o .debug_macro 0x00002feb 0x56 build/startup.o
.debug_macro 0x00002fc8 0x51 build/startup.o .debug_macro 0x00003041 0x51 build/startup.o
.debug_macro 0x00003019 0xb5c build/timer.o .debug_macro 0x00003092 0xb5c build/timer.o
.debug_macro 0x00003b75 0x13e build/timer.o .debug_macro 0x00003bee 0x19f build/timer.o
.debug_macro 0x00003cb3 0xb74 build/usart.o .debug_macro 0x00003d8d 0xb74 build/usart.o
.debug_macro 0x00004827 0x82 build/usart.o .debug_macro 0x00004901 0x9a build/usart.o
.debug_line 0x00000000 0x661 .debug_line 0x00000000 0x65d
.debug_line 0x00000000 0x116 build/gpio.o .debug_line 0x00000000 0x116 build/gpio.o
.debug_line 0x00000116 0x1e4 build/main.o .debug_line 0x00000116 0x1da build/main.o
.debug_line 0x000002fa 0xea build/startup.o .debug_line 0x000002f0 0xea build/startup.o
.debug_line 0x000003e4 0xdf build/timer.o .debug_line 0x000003da 0xdf build/timer.o
.debug_line 0x000004c3 0x19e build/usart.o .debug_line 0x000004b9 0x1a4 build/usart.o
.debug_str 0x00000000 0x63e6 .debug_str 0x00000000 0x65c7
.debug_str 0x00000000 0x5508 build/gpio.o .debug_str 0x00000000 0x5574 build/gpio.o
0x56b0 (size before relaxing) 0x571c (size before relaxing)
.debug_str 0x00005508 0xe17 build/main.o .debug_str 0x00005574 0xf8c build/main.o
0x6477 (size before relaxing) 0x6658 (size before relaxing)
.debug_str 0x0000631f 0x88 build/startup.o .debug_str 0x00006500 0x88 build/startup.o
0x3cdc (size before relaxing) 0x3cdc (size before relaxing)
.debug_str 0x000063a7 0xc build/timer.o .debug_str 0x00006588 0xc build/timer.o
0x5bc2 (size before relaxing) 0x5d37 (size before relaxing)
.debug_str 0x000063b3 0x33 build/usart.o .debug_str 0x00006594 0x33 build/usart.o
0x60ec (size before relaxing) 0x62cd (size before relaxing)
.comment 0x00000000 0x45 .comment 0x00000000 0x45
.comment 0x00000000 0x45 build/gpio.o .comment 0x00000000 0x45 build/gpio.o
build/gpio.S
+133 -113
View File
@@ -188,10 +188,10 @@ gpio_write:
.byte 0x4 .byte 0x4
.4byte .Ldebug_abbrev0 .4byte .Ldebug_abbrev0
.uleb128 0x8 .uleb128 0x8
.4byte .LASF908 .4byte .LASF912
.byte 0x1d .byte 0x1d
.4byte .LASF909 .4byte .LASF913
.4byte .LASF910 .4byte .LASF914
.4byte .LLRL0 .4byte .LLRL0
.4byte 0 .4byte 0
.4byte .Ldebug_line0 .4byte .Ldebug_line0
@@ -199,17 +199,17 @@ gpio_write:
.uleb128 0x1 .uleb128 0x1
.byte 0x1 .byte 0x1
.byte 0x6 .byte 0x6
.4byte .LASF877 .4byte .LASF881
.uleb128 0x1 .uleb128 0x1
.byte 0x1 .byte 0x1
.byte 0x8 .byte 0x8
.4byte .LASF878 .4byte .LASF882
.uleb128 0x1 .uleb128 0x1
.byte 0x2 .byte 0x2
.byte 0x5 .byte 0x5
.4byte .LASF879 .4byte .LASF883
.uleb128 0x3 .uleb128 0x3
.4byte .LASF882 .4byte .LASF886
.byte 0x2 .byte 0x2
.byte 0x39 .byte 0x39
.byte 0x1c .byte 0x1c
@@ -217,13 +217,13 @@ gpio_write:
.uleb128 0x1 .uleb128 0x1
.byte 0x2 .byte 0x2
.byte 0x7 .byte 0x7
.4byte .LASF880 .4byte .LASF884
.uleb128 0x1 .uleb128 0x1
.byte 0x4 .byte 0x4
.byte 0x5 .byte 0x5
.4byte .LASF881 .4byte .LASF885
.uleb128 0x3 .uleb128 0x3
.4byte .LASF883 .4byte .LASF887
.byte 0x2 .byte 0x2
.byte 0x4f .byte 0x4f
.byte 0x1b .byte 0x1b
@@ -231,21 +231,21 @@ gpio_write:
.uleb128 0x1 .uleb128 0x1
.byte 0x4 .byte 0x4
.byte 0x7 .byte 0x7
.4byte .LASF884 .4byte .LASF888
.uleb128 0x1 .uleb128 0x1
.byte 0x8 .byte 0x8
.byte 0x5 .byte 0x5
.4byte .LASF885 .4byte .LASF889
.uleb128 0x1 .uleb128 0x1
.byte 0x8 .byte 0x8
.byte 0x7 .byte 0x7
.4byte .LASF886 .4byte .LASF890
.uleb128 0x9 .uleb128 0x9
.byte 0x4 .byte 0x4
.byte 0x5 .byte 0x5
.ascii "int\000" .ascii "int\000"
.uleb128 0x3 .uleb128 0x3
.4byte .LASF887 .4byte .LASF891
.byte 0x2 .byte 0x2
.byte 0xe8 .byte 0xe8
.byte 0x16 .byte 0x16
@@ -253,15 +253,15 @@ gpio_write:
.uleb128 0x1 .uleb128 0x1
.byte 0x4 .byte 0x4
.byte 0x7 .byte 0x7
.4byte .LASF888 .4byte .LASF892
.uleb128 0x3 .uleb128 0x3
.4byte .LASF889 .4byte .LASF893
.byte 0x3 .byte 0x3
.byte 0x24 .byte 0x24
.byte 0x14 .byte 0x14
.4byte 0x3f .4byte 0x3f
.uleb128 0x3 .uleb128 0x3
.4byte .LASF890 .4byte .LASF894
.byte 0x3 .byte 0x3
.byte 0x30 .byte 0x30
.byte 0x14 .byte 0x14
@@ -269,35 +269,35 @@ gpio_write:
.uleb128 0xa .uleb128 0xa
.4byte 0xa0 .4byte 0xa0
.uleb128 0x3 .uleb128 0x3
.4byte .LASF891 .4byte .LASF895
.byte 0x3 .byte 0x3
.byte 0x52 .byte 0x52
.byte 0x15 .byte 0x15
.4byte 0x81 .4byte 0x81
.uleb128 0xb .uleb128 0xb
.4byte .LASF907 .4byte .LASF911
.byte 0x28 .byte 0x28
.byte 0x4 .byte 0x4
.byte 0x7 .byte 0x7
.byte 0x8 .byte 0x8
.4byte 0x139 .4byte 0x139
.uleb128 0x2 .uleb128 0x2
.4byte .LASF892 .4byte .LASF896
.byte 0x8 .byte 0x8
.4byte 0xac .4byte 0xac
.byte 0 .byte 0
.uleb128 0x2 .uleb128 0x2
.4byte .LASF893 .4byte .LASF897
.byte 0x9 .byte 0x9
.4byte 0xac .4byte 0xac
.byte 0x4 .byte 0x4
.uleb128 0x2 .uleb128 0x2
.4byte .LASF894 .4byte .LASF898
.byte 0xa .byte 0xa
.4byte 0xac .4byte 0xac
.byte 0x8 .byte 0x8
.uleb128 0x2 .uleb128 0x2
.4byte .LASF895 .4byte .LASF899
.byte 0xb .byte 0xb
.4byte 0xac .4byte 0xac
.byte 0xc .byte 0xc
@@ -312,22 +312,22 @@ gpio_write:
.4byte 0xac .4byte 0xac
.byte 0x14 .byte 0x14
.uleb128 0x2 .uleb128 0x2
.4byte .LASF896 .4byte .LASF900
.byte 0xe .byte 0xe
.4byte 0xac .4byte 0xac
.byte 0x18 .byte 0x18
.uleb128 0x2 .uleb128 0x2
.4byte .LASF897 .4byte .LASF901
.byte 0xf .byte 0xf
.4byte 0xac .4byte 0xac
.byte 0x1c .byte 0x1c
.uleb128 0x2 .uleb128 0x2
.4byte .LASF898 .4byte .LASF902
.byte 0x10 .byte 0x10
.4byte 0xac .4byte 0xac
.byte 0x20 .byte 0x20
.uleb128 0x2 .uleb128 0x2
.4byte .LASF899 .4byte .LASF903
.byte 0x11 .byte 0x11
.4byte 0xac .4byte 0xac
.byte 0x24 .byte 0x24
@@ -337,30 +337,30 @@ gpio_write:
.byte 0x1 .byte 0x1
.4byte 0x31 .4byte 0x31
.byte 0x4 .byte 0x4
.byte 0x38 .byte 0x40
.byte 0xe .byte 0xe
.4byte 0x160 .4byte 0x160
.uleb128 0x4 .uleb128 0x4
.4byte .LASF900 .4byte .LASF904
.byte 0 .byte 0
.uleb128 0x4 .uleb128 0x4
.4byte .LASF901 .4byte .LASF905
.byte 0x1 .byte 0x1
.uleb128 0x4 .uleb128 0x4
.4byte .LASF902 .4byte .LASF906
.byte 0x2 .byte 0x2
.uleb128 0x4 .uleb128 0x4
.4byte .LASF903 .4byte .LASF907
.byte 0x3 .byte 0x3
.byte 0 .byte 0
.uleb128 0x3 .uleb128 0x3
.4byte .LASF904 .4byte .LASF908
.byte 0x4 .byte 0x4
.byte 0x3d .byte 0x45
.byte 0x3 .byte 0x3
.4byte 0x139 .4byte 0x139
.uleb128 0xd .uleb128 0xd
.4byte .LASF911 .4byte .LASF915
.byte 0x1 .byte 0x1
.byte 0xd .byte 0xd
.byte 0x6 .byte 0x6
@@ -386,7 +386,7 @@ gpio_write:
.byte 0x91 .byte 0x91
.sleb128 -19 .sleb128 -19
.uleb128 0x7 .uleb128 0x7
.4byte .LASF907 .4byte .LASF911
.byte 0xe .byte 0xe
.4byte 0x1b3 .4byte 0x1b3
.uleb128 0x2 .uleb128 0x2
@@ -396,12 +396,12 @@ gpio_write:
.uleb128 0x1 .uleb128 0x1
.byte 0x1 .byte 0x1
.byte 0x2 .byte 0x2
.4byte .LASF905 .4byte .LASF909
.uleb128 0xe .uleb128 0xe
.byte 0x4 .byte 0x4
.4byte 0xbd .4byte 0xbd
.uleb128 0xf .uleb128 0xf
.4byte .LASF912 .4byte .LASF916
.byte 0x1 .byte 0x1
.byte 0x6 .byte 0x6
.byte 0x6 .byte 0x6
@@ -418,7 +418,7 @@ gpio_write:
.byte 0x91 .byte 0x91
.sleb128 -18 .sleb128 -18
.uleb128 0x10 .uleb128 0x10
.4byte .LASF906 .4byte .LASF910
.byte 0x1 .byte 0x1
.byte 0x6 .byte 0x6
.byte 0x2c .byte 0x2c
@@ -427,7 +427,7 @@ gpio_write:
.byte 0x91 .byte 0x91
.sleb128 -19 .sleb128 -19
.uleb128 0x7 .uleb128 0x7
.4byte .LASF907 .4byte .LASF911
.byte 0x7 .byte 0x7
.4byte 0x1b3 .4byte 0x1b3
.uleb128 0x2 .uleb128 0x2
@@ -3525,7 +3525,7 @@ gpio_write:
.uleb128 0x32 .uleb128 0x32
.4byte .LASF854 .4byte .LASF854
.byte 0 .byte 0
.section .debug_macro,"G",%progbits,wm4.gpio.h.2.482807a1c0512cd436d5862f3edb1adc,comdat .section .debug_macro,"G",%progbits,wm4.gpio.h.2.bc74b8bd59193b3190f972f5d232b4bf,comdat
.Ldebug_macro15: .Ldebug_macro15:
.2byte 0x5 .2byte 0x5
.byte 0 .byte 0
@@ -3542,40 +3542,40 @@ gpio_write:
.uleb128 0x18 .uleb128 0x18
.4byte .LASF858 .4byte .LASF858
.byte 0x5 .byte 0x5
.uleb128 0x19 .uleb128 0x1a
.4byte .LASF859 .4byte .LASF859
.byte 0x5 .byte 0x5
.uleb128 0x1a .uleb128 0x1b
.4byte .LASF860 .4byte .LASF860
.byte 0x5 .byte 0x5
.uleb128 0x1c .uleb128 0x1d
.4byte .LASF861 .4byte .LASF861
.byte 0x5 .byte 0x5
.uleb128 0x1d .uleb128 0x1e
.4byte .LASF862 .4byte .LASF862
.byte 0x5 .byte 0x5
.uleb128 0x1e .uleb128 0x20
.4byte .LASF863 .4byte .LASF863
.byte 0x5 .byte 0x5
.uleb128 0x21 .uleb128 0x21
.4byte .LASF864 .4byte .LASF864
.byte 0x5 .byte 0x5
.uleb128 0x22 .uleb128 0x24
.4byte .LASF865 .4byte .LASF865
.byte 0x5 .byte 0x5
.uleb128 0x23 .uleb128 0x25
.4byte .LASF866 .4byte .LASF866
.byte 0x5 .byte 0x5
.uleb128 0x25 .uleb128 0x26
.4byte .LASF867 .4byte .LASF867
.byte 0x5 .byte 0x5
.uleb128 0x26 .uleb128 0x29
.4byte .LASF868 .4byte .LASF868
.byte 0x5 .byte 0x5
.uleb128 0x27 .uleb128 0x2a
.4byte .LASF869 .4byte .LASF869
.byte 0x5 .byte 0x5
.uleb128 0x2c .uleb128 0x2b
.4byte .LASF870 .4byte .LASF870
.byte 0x5 .byte 0x5
.uleb128 0x2d .uleb128 0x2d
@@ -3584,17 +3584,29 @@ gpio_write:
.uleb128 0x2e .uleb128 0x2e
.4byte .LASF872 .4byte .LASF872
.byte 0x5 .byte 0x5
.uleb128 0x30 .uleb128 0x2f
.4byte .LASF873 .4byte .LASF873
.byte 0x5 .byte 0x5
.uleb128 0x32 .uleb128 0x34
.4byte .LASF874 .4byte .LASF874
.byte 0x5 .byte 0x5
.uleb128 0x34 .uleb128 0x35
.4byte .LASF875 .4byte .LASF875
.byte 0x5 .byte 0x5
.uleb128 0x36 .uleb128 0x36
.4byte .LASF876 .4byte .LASF876
.byte 0x5
.uleb128 0x38
.4byte .LASF877
.byte 0x5
.uleb128 0x3a
.4byte .LASF878
.byte 0x5
.uleb128 0x3c
.4byte .LASF879
.byte 0x5
.uleb128 0x3e
.4byte .LASF880
.byte 0 .byte 0
.section .debug_line,"",%progbits .section .debug_line,"",%progbits
.Ldebug_line0: .Ldebug_line0:
@@ -3639,7 +3651,7 @@ gpio_write:
.ascii "__PTRDIFF_MAX__ 0x7fffffff\000" .ascii "__PTRDIFF_MAX__ 0x7fffffff\000"
.LASF541: .LASF541:
.ascii "_LONG_DOUBLE long double\000" .ascii "_LONG_DOUBLE long double\000"
.LASF907: .LASF911:
.ascii "gpio\000" .ascii "gpio\000"
.LASF591: .LASF591:
.ascii "INT_LEAST8_MIN (-__INT_LEAST8_MAX__ - 1)\000" .ascii "INT_LEAST8_MIN (-__INT_LEAST8_MAX__ - 1)\000"
@@ -3647,7 +3659,7 @@ gpio_write:
.ascii "_UINT32_T_DECLARED \000" .ascii "_UINT32_T_DECLARED \000"
.LASF90: .LASF90:
.ascii "__INTMAX_MAX__ 0x7fffffffffffffffLL\000" .ascii "__INTMAX_MAX__ 0x7fffffffffffffffLL\000"
.LASF902: .LASF906:
.ascii "GPIO_MODE_AF\000" .ascii "GPIO_MODE_AF\000"
.LASF335: .LASF335:
.ascii "__TQ_IBIT__ 0\000" .ascii "__TQ_IBIT__ 0\000"
@@ -3711,8 +3723,6 @@ gpio_write:
.ascii "PRIXFAST32 __PRI32FAST(X)\000" .ascii "PRIXFAST32 __PRI32FAST(X)\000"
.LASF525: .LASF525:
.ascii "__INT8 \"hh\"\000" .ascii "__INT8 \"hh\"\000"
.LASF860:
.ascii "GPIO_MODER_MODER3_AF (0b10)\000"
.LASF47: .LASF47:
.ascii "__UINT8_TYPE__ unsigned char\000" .ascii "__UINT8_TYPE__ unsigned char\000"
.LASF368: .LASF368:
@@ -3765,12 +3775,14 @@ gpio_write:
.ascii "__need_wchar_t\000" .ascii "__need_wchar_t\000"
.LASF199: .LASF199:
.ascii "__FLT32_MIN_EXP__ (-125)\000" .ascii "__FLT32_MIN_EXP__ (-125)\000"
.LASF908: .LASF912:
.ascii "GNU C2X 12.3.1 20230626 -mcpu=cortex-m4 -mthumb -mf" .ascii "GNU C2X 12.3.1 20230626 -mcpu=cortex-m4 -mthumb -mf"
.ascii "loat-abi=hard -mfpu=fpv4-sp-d16 -march=armv7e-m+fp " .ascii "loat-abi=hard -mfpu=fpv4-sp-d16 -march=armv7e-m+fp "
.ascii "-g3 -ggdb -O0 -std=c2x -ffunction-sections -fdata-s" .ascii "-g3 -ggdb -O0 -std=c2x -ffunction-sections -fdata-s"
.ascii "ections -fno-builtin -fno-common\000" .ascii "ections -fno-builtin -fno-common\000"
.LASF864: .LASF865:
.ascii "GPIO_AFRH_AFRH8_BIT 0\000"
.LASF868:
.ascii "GPIO_AFRL_AFRL3_BIT 12\000" .ascii "GPIO_AFRL_AFRL3_BIT 12\000"
.LASF595: .LASF595:
.ascii "INT16_MAX (__INT16_MAX__)\000" .ascii "INT16_MAX (__INT16_MAX__)\000"
@@ -3852,7 +3864,7 @@ gpio_write:
.ascii "__INT64 \"ll\"\000" .ascii "__INT64 \"ll\"\000"
.LASF138: .LASF138:
.ascii "__INTPTR_MAX__ 0x7fffffff\000" .ascii "__INTPTR_MAX__ 0x7fffffff\000"
.LASF872: .LASF876:
.ascii "GPIO(port) ((struct gpio*)(uintptr_t)(GPIO_BASE_ADD" .ascii "GPIO(port) ((struct gpio*)(uintptr_t)(GPIO_BASE_ADD"
.ascii "R + (GPIO_PORT_OFFSET * port)))\000" .ascii "R + (GPIO_PORT_OFFSET * port)))\000"
.LASF499: .LASF499:
@@ -3888,7 +3900,7 @@ gpio_write:
.ascii "PRId64 __PRI64(d)\000" .ascii "PRId64 __PRI64(d)\000"
.LASF302: .LASF302:
.ascii "__UACCUM_IBIT__ 16\000" .ascii "__UACCUM_IBIT__ 16\000"
.LASF881: .LASF885:
.ascii "long int\000" .ascii "long int\000"
.LASF818: .LASF818:
.ascii "PRIXFAST64 __PRI64FAST(X)\000" .ascii "PRIXFAST64 __PRI64FAST(X)\000"
@@ -3916,6 +3928,8 @@ gpio_write:
.ascii "PRIdFAST32 __PRI32FAST(d)\000" .ascii "PRIdFAST32 __PRI32FAST(d)\000"
.LASF93: .LASF93:
.ascii "__UINTMAX_C(c) c ## ULL\000" .ascii "__UINTMAX_C(c) c ## ULL\000"
.LASF866:
.ascii "GPIO_AFRH_AFRH8_MASK (0b1111)\000"
.LASF31: .LASF31:
.ascii "__SIZEOF_POINTER__ 4\000" .ascii "__SIZEOF_POINTER__ 4\000"
.LASF621: .LASF621:
@@ -3924,8 +3938,6 @@ gpio_write:
.ascii "__GCC_ATOMIC_BOOL_LOCK_FREE 2\000" .ascii "__GCC_ATOMIC_BOOL_LOCK_FREE 2\000"
.LASF554: .LASF554:
.ascii "___int64_t_defined 1\000" .ascii "___int64_t_defined 1\000"
.LASF863:
.ascii "GPIO_MODER_MODER2_AF (0b10)\000"
.LASF432: .LASF432:
.ascii "__ARM_NEON__\000" .ascii "__ARM_NEON__\000"
.LASF587: .LASF587:
@@ -3986,7 +3998,7 @@ gpio_write:
.ascii "PRIoLEAST16 __PRI16LEAST(o)\000" .ascii "PRIoLEAST16 __PRI16LEAST(o)\000"
.LASF458: .LASF458:
.ascii "__NEWLIB__ 4\000" .ascii "__NEWLIB__ 4\000"
.LASF900: .LASF904:
.ascii "GPIO_MODE_INPUT\000" .ascii "GPIO_MODE_INPUT\000"
.LASF720: .LASF720:
.ascii "SCNi16 __SCN16(i)\000" .ascii "SCNi16 __SCN16(i)\000"
@@ -3996,7 +4008,7 @@ gpio_write:
.ascii "__FLT_DECIMAL_DIG__ 9\000" .ascii "__FLT_DECIMAL_DIG__ 9\000"
.LASF562: .LASF562:
.ascii "_UINT8_T_DECLARED \000" .ascii "_UINT8_T_DECLARED \000"
.LASF877: .LASF881:
.ascii "signed char\000" .ascii "signed char\000"
.LASF805: .LASF805:
.ascii "PRIuLEAST64 __PRI64LEAST(u)\000" .ascii "PRIuLEAST64 __PRI64LEAST(u)\000"
@@ -4008,7 +4020,7 @@ gpio_write:
.ascii "__ARM_FEATURE_FMA 1\000" .ascii "__ARM_FEATURE_FMA 1\000"
.LASF364: .LASF364:
.ascii "__GNUC_STDC_INLINE__ 1\000" .ascii "__GNUC_STDC_INLINE__ 1\000"
.LASF904: .LASF908:
.ascii "GPIO_MODE\000" .ascii "GPIO_MODE\000"
.LASF256: .LASF256:
.ascii "__FRACT_FBIT__ 15\000" .ascii "__FRACT_FBIT__ 15\000"
@@ -4030,11 +4042,11 @@ gpio_write:
.ascii "__SACCUM_MAX__ 0X7FFFP-7HK\000" .ascii "__SACCUM_MAX__ 0X7FFFP-7HK\000"
.LASF219: .LASF219:
.ascii "__FLT64_MAX_10_EXP__ 308\000" .ascii "__FLT64_MAX_10_EXP__ 308\000"
.LASF868: .LASF872:
.ascii "GPIO_AFRL_AFRL2_MASK (0b1111)\000" .ascii "GPIO_AFRL_AFRL2_MASK (0b1111)\000"
.LASF65: .LASF65:
.ascii "__UINT_FAST32_TYPE__ unsigned int\000" .ascii "__UINT_FAST32_TYPE__ unsigned int\000"
.LASF878: .LASF882:
.ascii "unsigned char\000" .ascii "unsigned char\000"
.LASF3: .LASF3:
.ascii "__STDC_UTF_32__ 1\000" .ascii "__STDC_UTF_32__ 1\000"
@@ -4082,13 +4094,13 @@ gpio_write:
.ascii "__int_fast64_t_defined 1\000" .ascii "__int_fast64_t_defined 1\000"
.LASF837: .LASF837:
.ascii "__PRIPTR(x) __STRINGIFY(x)\000" .ascii "__PRIPTR(x) __STRINGIFY(x)\000"
.LASF889: .LASF893:
.ascii "uint16_t\000" .ascii "uint16_t\000"
.LASF417: .LASF417:
.ascii "__thumb2__ 1\000" .ascii "__thumb2__ 1\000"
.LASF321: .LASF321:
.ascii "__ULLACCUM_FBIT__ 32\000" .ascii "__ULLACCUM_FBIT__ 32\000"
.LASF905: .LASF909:
.ascii "_Bool\000" .ascii "_Bool\000"
.LASF366: .LASF366:
.ascii "__STRICT_ANSI__ 1\000" .ascii "__STRICT_ANSI__ 1\000"
@@ -4106,7 +4118,7 @@ gpio_write:
.ascii "__PRAGMA_REDEFINE_EXTNAME 1\000" .ascii "__PRAGMA_REDEFINE_EXTNAME 1\000"
.LASF36: .LASF36:
.ascii "__WCHAR_TYPE__ unsigned int\000" .ascii "__WCHAR_TYPE__ unsigned int\000"
.LASF901: .LASF905:
.ascii "GPIO_MODE_OUTPUT\000" .ascii "GPIO_MODE_OUTPUT\000"
.LASF357: .LASF357:
.ascii "__USA_IBIT__ 16\000" .ascii "__USA_IBIT__ 16\000"
@@ -4144,7 +4156,7 @@ gpio_write:
.ascii "__SCN64(x) __INT64 __STRINGIFY(x)\000" .ascii "__SCN64(x) __INT64 __STRINGIFY(x)\000"
.LASF646: .LASF646:
.ascii "_GCC_WRAP_STDINT_H \000" .ascii "_GCC_WRAP_STDINT_H \000"
.LASF882: .LASF886:
.ascii "__uint16_t\000" .ascii "__uint16_t\000"
.LASF224: .LASF224:
.ascii "__FLT64_EPSILON__ 2.2204460492503131e-16F64\000" .ascii "__FLT64_EPSILON__ 2.2204460492503131e-16F64\000"
@@ -4172,7 +4184,7 @@ gpio_write:
.ascii "INTMAX_MAX (__INTMAX_MAX__)\000" .ascii "INTMAX_MAX (__INTMAX_MAX__)\000"
.LASF601: .LASF601:
.ascii "INT32_MAX (__INT32_MAX__)\000" .ascii "INT32_MAX (__INT32_MAX__)\000"
.LASF873: .LASF877:
.ascii "BIT(x) (1 << x)\000" .ascii "BIT(x) (1 << x)\000"
.LASF469: .LASF469:
.ascii "_MB_LEN_MAX 8\000" .ascii "_MB_LEN_MAX 8\000"
@@ -4190,7 +4202,7 @@ gpio_write:
.ascii "_END_STD_C \000" .ascii "_END_STD_C \000"
.LASF852: .LASF852:
.ascii "true ((_Bool)+1u)\000" .ascii "true ((_Bool)+1u)\000"
.LASF865: .LASF869:
.ascii "GPIO_AFRL_AFRL3_MASK (0b1111)\000" .ascii "GPIO_AFRL_AFRL3_MASK (0b1111)\000"
.LASF599: .LASF599:
.ascii "UINT_LEAST16_MAX (__UINT_LEAST16_MAX__)\000" .ascii "UINT_LEAST16_MAX (__UINT_LEAST16_MAX__)\000"
@@ -4204,7 +4216,7 @@ gpio_write:
.ascii "__FLT_EPSILON__ 1.1920928955078125e-7F\000" .ascii "__FLT_EPSILON__ 1.1920928955078125e-7F\000"
.LASF376: .LASF376:
.ascii "__GCC_ATOMIC_SHORT_LOCK_FREE 2\000" .ascii "__GCC_ATOMIC_SHORT_LOCK_FREE 2\000"
.LASF874: .LASF878:
.ascii "PIN(port,num) ((((port) - 'A') << 8) | num)\000" .ascii "PIN(port,num) ((((port) - 'A') << 8) | num)\000"
.LASF806: .LASF806:
.ascii "PRIxLEAST64 __PRI64LEAST(x)\000" .ascii "PRIxLEAST64 __PRI64LEAST(x)\000"
@@ -4270,7 +4282,7 @@ gpio_write:
.ascii "__FP_FAST_FMAF 1\000" .ascii "__FP_FAST_FMAF 1\000"
.LASF628: .LASF628:
.ascii "SIG_ATOMIC_MIN (-__STDINT_EXP(INT_MAX) - 1)\000" .ascii "SIG_ATOMIC_MIN (-__STDINT_EXP(INT_MAX) - 1)\000"
.LASF869: .LASF873:
.ascii "GPIO_AFRL_AFRL2_USART2_TX (0b0111)\000" .ascii "GPIO_AFRL_AFRL2_USART2_TX (0b0111)\000"
.LASF564: .LASF564:
.ascii "_INT16_T_DECLARED \000" .ascii "_INT16_T_DECLARED \000"
@@ -4294,6 +4306,8 @@ gpio_write:
.ascii "__ARM_FEATURE_FP16_FML\000" .ascii "__ARM_FEATURE_FP16_FML\000"
.LASF802: .LASF802:
.ascii "PRIdLEAST64 __PRI64LEAST(d)\000" .ascii "PRIdLEAST64 __PRI64LEAST(d)\000"
.LASF858:
.ascii "GPIO_MODER_AF_MODE (0b10)\000"
.LASF255: .LASF255:
.ascii "__USFRACT_EPSILON__ 0x1P-8UHR\000" .ascii "__USFRACT_EPSILON__ 0x1P-8UHR\000"
.LASF762: .LASF762:
@@ -4314,7 +4328,7 @@ gpio_write:
.ascii "INT64_C(x) __INT64_C(x)\000" .ascii "INT64_C(x) __INT64_C(x)\000"
.LASF615: .LASF615:
.ascii "INT_FAST16_MIN (-__INT_FAST16_MAX__ - 1)\000" .ascii "INT_FAST16_MIN (-__INT_FAST16_MAX__ - 1)\000"
.LASF862: .LASF864:
.ascii "GPIO_MODER_MODER2_MASK (0b11)\000" .ascii "GPIO_MODER_MODER2_MASK (0b11)\000"
.LASF106: .LASF106:
.ascii "__INT_LEAST8_MAX__ 0x7f\000" .ascii "__INT_LEAST8_MAX__ 0x7f\000"
@@ -4342,6 +4356,8 @@ gpio_write:
.ascii "__PRI8LEAST(x) __LEAST8 __STRINGIFY(x)\000" .ascii "__PRI8LEAST(x) __LEAST8 __STRINGIFY(x)\000"
.LASF174: .LASF174:
.ascii "__DBL_EPSILON__ ((double)2.2204460492503131e-16L)\000" .ascii "__DBL_EPSILON__ ((double)2.2204460492503131e-16L)\000"
.LASF860:
.ascii "GPIO_MODER_MODER8_MASK (0b11)\000"
.LASF268: .LASF268:
.ascii "__LFRACT_MIN__ (-0.5LR-0.5LR)\000" .ascii "__LFRACT_MIN__ (-0.5LR-0.5LR)\000"
.LASF117: .LASF117:
@@ -4364,7 +4380,7 @@ gpio_write:
.ascii "___int8_t_defined 1\000" .ascii "___int8_t_defined 1\000"
.LASF248: .LASF248:
.ascii "__SFRACT_MIN__ (-0.5HR-0.5HR)\000" .ascii "__SFRACT_MIN__ (-0.5HR-0.5HR)\000"
.LASF884: .LASF888:
.ascii "long unsigned int\000" .ascii "long unsigned int\000"
.LASF349: .LASF349:
.ascii "__SA_IBIT__ 16\000" .ascii "__SA_IBIT__ 16\000"
@@ -4380,7 +4396,7 @@ gpio_write:
.ascii "__ARM_FP16_FORMAT_IEEE\000" .ascii "__ARM_FP16_FORMAT_IEEE\000"
.LASF48: .LASF48:
.ascii "__UINT16_TYPE__ short unsigned int\000" .ascii "__UINT16_TYPE__ short unsigned int\000"
.LASF911: .LASF915:
.ascii "gpio_write\000" .ascii "gpio_write\000"
.LASF569: .LASF569:
.ascii "__int32_t_defined 1\000" .ascii "__int32_t_defined 1\000"
@@ -4424,7 +4440,7 @@ gpio_write:
.ascii "SCNx8 __SCN8(x)\000" .ascii "SCNx8 __SCN8(x)\000"
.LASF208: .LASF208:
.ascii "__FLT32_DENORM_MIN__ 1.4012984643248171e-45F32\000" .ascii "__FLT32_DENORM_MIN__ 1.4012984643248171e-45F32\000"
.LASF912: .LASF916:
.ascii "gpio_set_mode\000" .ascii "gpio_set_mode\000"
.LASF125: .LASF125:
.ascii "__UINT64_C(c) c ## ULL\000" .ascii "__UINT64_C(c) c ## ULL\000"
@@ -4446,7 +4462,7 @@ gpio_write:
.ascii "__GCC_ATOMIC_CHAR16_T_LOCK_FREE 2\000" .ascii "__GCC_ATOMIC_CHAR16_T_LOCK_FREE 2\000"
.LASF789: .LASF789:
.ascii "__PRI64FAST(x) __FAST64 __STRINGIFY(x)\000" .ascii "__PRI64FAST(x) __FAST64 __STRINGIFY(x)\000"
.LASF891: .LASF895:
.ascii "uintptr_t\000" .ascii "uintptr_t\000"
.LASF168: .LASF168:
.ascii "__DBL_MAX_EXP__ 1024\000" .ascii "__DBL_MAX_EXP__ 1024\000"
@@ -4494,7 +4510,7 @@ gpio_write:
.ascii "PRIX32 __PRI32(X)\000" .ascii "PRIX32 __PRI32(X)\000"
.LASF773: .LASF773:
.ascii "SCNxLEAST32 __SCN32LEAST(x)\000" .ascii "SCNxLEAST32 __SCN32LEAST(x)\000"
.LASF894: .LASF898:
.ascii "OSPEEDR\000" .ascii "OSPEEDR\000"
.LASF711: .LASF711:
.ascii "__SCN16LEAST(x) __LEAST16 __STRINGIFY(x)\000" .ascii "__SCN16LEAST(x) __LEAST16 __STRINGIFY(x)\000"
@@ -4524,7 +4540,7 @@ gpio_write:
.ascii "__ULACCUM_MIN__ 0.0ULK\000" .ascii "__ULACCUM_MIN__ 0.0ULK\000"
.LASF461: .LASF461:
.ascii "_ATEXIT_DYNAMIC_ALLOC 1\000" .ascii "_ATEXIT_DYNAMIC_ALLOC 1\000"
.LASF883: .LASF887:
.ascii "__uint32_t\000" .ascii "__uint32_t\000"
.LASF188: .LASF188:
.ascii "__LDBL_MAX__ 1.7976931348623157e+308L\000" .ascii "__LDBL_MAX__ 1.7976931348623157e+308L\000"
@@ -4534,7 +4550,7 @@ gpio_write:
.ascii "__FLT_RADIX__ 2\000" .ascii "__FLT_RADIX__ 2\000"
.LASF454: .LASF454:
.ascii "_INTTYPES_H \000" .ascii "_INTTYPES_H \000"
.LASF885: .LASF889:
.ascii "long long int\000" .ascii "long long int\000"
.LASF401: .LASF401:
.ascii "__ARM_FEATURE_CMSE\000" .ascii "__ARM_FEATURE_CMSE\000"
@@ -4570,7 +4586,7 @@ gpio_write:
.ascii "__WCHAR_T \000" .ascii "__WCHAR_T \000"
.LASF223: .LASF223:
.ascii "__FLT64_MIN__ 2.2250738585072014e-308F64\000" .ascii "__FLT64_MIN__ 2.2250738585072014e-308F64\000"
.LASF866: .LASF870:
.ascii "GPIO_AFRL_AFRL3_USART2_RX (0b0111)\000" .ascii "GPIO_AFRL_AFRL3_USART2_RX (0b0111)\000"
.LASF553: .LASF553:
.ascii "___int32_t_defined 1\000" .ascii "___int32_t_defined 1\000"
@@ -4641,20 +4657,22 @@ gpio_write:
.ascii "\000" .ascii "\000"
.LASF582: .LASF582:
.ascii "__int_fast16_t_defined 1\000" .ascii "__int_fast16_t_defined 1\000"
.LASF892: .LASF896:
.ascii "MODER\000" .ascii "MODER\000"
.LASF482: .LASF482:
.ascii "__FLOAT_TYPE float\000" .ascii "__FLOAT_TYPE float\000"
.LASF185: .LASF185:
.ascii "__LDBL_MAX_10_EXP__ 308\000" .ascii "__LDBL_MAX_10_EXP__ 308\000"
.LASF867:
.ascii "GPIO_AFRH_AFRH8_MCO_1 (0b0000)\000"
.LASF175: .LASF175:
.ascii "__DBL_DENORM_MIN__ ((double)4.9406564584124654e-324" .ascii "__DBL_DENORM_MIN__ ((double)4.9406564584124654e-324"
.ascii "L)\000" .ascii "L)\000"
.LASF607: .LASF607:
.ascii "INT64_MAX (__INT64_MAX__)\000" .ascii "INT64_MAX (__INT64_MAX__)\000"
.LASF888: .LASF892:
.ascii "unsigned int\000" .ascii "unsigned int\000"
.LASF887: .LASF891:
.ascii "__uintptr_t\000" .ascii "__uintptr_t\000"
.LASF459: .LASF459:
.ascii "__NEWLIB_MINOR__ 3\000" .ascii "__NEWLIB_MINOR__ 3\000"
@@ -4686,7 +4704,7 @@ gpio_write:
.ascii "__CHAR_BIT__ 8\000" .ascii "__CHAR_BIT__ 8\000"
.LASF143: .LASF143:
.ascii "__FLT_EVAL_METHOD__ 0\000" .ascii "__FLT_EVAL_METHOD__ 0\000"
.LASF879: .LASF883:
.ascii "short int\000" .ascii "short int\000"
.LASF685: .LASF685:
.ascii "PRIdLEAST8 __PRI8LEAST(d)\000" .ascii "PRIdLEAST8 __PRI8LEAST(d)\000"
@@ -4746,6 +4764,8 @@ gpio_write:
.ascii "__ATFILE_VISIBLE 0\000" .ascii "__ATFILE_VISIBLE 0\000"
.LASF372: .LASF372:
.ascii "__GCC_ATOMIC_CHAR_LOCK_FREE 2\000" .ascii "__GCC_ATOMIC_CHAR_LOCK_FREE 2\000"
.LASF859:
.ascii "GPIO_MODER_MODER8_BIT 16\000"
.LASF270: .LASF270:
.ascii "__LFRACT_EPSILON__ 0x1P-31LR\000" .ascii "__LFRACT_EPSILON__ 0x1P-31LR\000"
.LASF808: .LASF808:
@@ -4812,7 +4832,7 @@ gpio_write:
.ascii "__UFRACT_IBIT__ 0\000" .ascii "__UFRACT_IBIT__ 0\000"
.LASF399: .LASF399:
.ascii "__ARM_32BIT_STATE 1\000" .ascii "__ARM_32BIT_STATE 1\000"
.LASF861: .LASF863:
.ascii "GPIO_MODER_MODER2_BIT 4\000" .ascii "GPIO_MODER_MODER2_BIT 4\000"
.LASF107: .LASF107:
.ascii "__INT8_C(c) c\000" .ascii "__INT8_C(c) c\000"
@@ -4826,13 +4846,13 @@ gpio_write:
.ascii "SCNuFAST16 __SCN16FAST(u)\000" .ascii "SCNuFAST16 __SCN16FAST(u)\000"
.LASF801: .LASF801:
.ascii "SCNx64 __SCN64(x)\000" .ascii "SCNx64 __SCN64(x)\000"
.LASF876: .LASF880:
.ascii "PINPORT(pin) (pin >> 8)\000" .ascii "PINPORT(pin) (pin >> 8)\000"
.LASF198: .LASF198:
.ascii "__FLT32_DIG__ 6\000" .ascii "__FLT32_DIG__ 6\000"
.LASF645: .LASF645:
.ascii "UINTMAX_C(x) __UINTMAX_C(x)\000" .ascii "UINTMAX_C(x) __UINTMAX_C(x)\000"
.LASF859: .LASF862:
.ascii "GPIO_MODER_MODER3_MASK (0b11)\000" .ascii "GPIO_MODER_MODER3_MASK (0b11)\000"
.LASF623: .LASF623:
.ascii "UINT_FAST64_MAX (__UINT_FAST64_MAX__)\000" .ascii "UINT_FAST64_MAX (__UINT_FAST64_MAX__)\000"
@@ -4876,7 +4896,7 @@ gpio_write:
.ascii "__ORDER_LITTLE_ENDIAN__ 1234\000" .ascii "__ORDER_LITTLE_ENDIAN__ 1234\000"
.LASF155: .LASF155:
.ascii "__FLT_NORM_MAX__ 3.4028234663852886e+38F\000" .ascii "__FLT_NORM_MAX__ 3.4028234663852886e+38F\000"
.LASF886: .LASF890:
.ascii "long long unsigned int\000" .ascii "long long unsigned int\000"
.LASF611: .LASF611:
.ascii "UINT_LEAST64_MAX (__UINT_LEAST64_MAX__)\000" .ascii "UINT_LEAST64_MAX (__UINT_LEAST64_MAX__)\000"
@@ -4906,8 +4926,8 @@ gpio_write:
.ascii "SCNdFAST32 __SCN32FAST(d)\000" .ascii "SCNdFAST32 __SCN32FAST(d)\000"
.LASF339: .LASF339:
.ascii "__UHQ_IBIT__ 0\000" .ascii "__UHQ_IBIT__ 0\000"
.LASF858: .LASF861:
.ascii "GPIO_MODER_MODER3_BIT 7\000" .ascii "GPIO_MODER_MODER3_BIT 6\000"
.LASF60: .LASF60:
.ascii "__INT_FAST16_TYPE__ int\000" .ascii "__INT_FAST16_TYPE__ int\000"
.LASF631: .LASF631:
@@ -4956,11 +4976,11 @@ gpio_write:
.ascii "SCNdFAST8 __SCN8FAST(d)\000" .ascii "SCNdFAST8 __SCN8FAST(d)\000"
.LASF576: .LASF576:
.ascii "_UINTPTR_T_DECLARED \000" .ascii "_UINTPTR_T_DECLARED \000"
.LASF899: .LASF903:
.ascii "AFRH\000" .ascii "AFRH\000"
.LASF314: .LASF314:
.ascii "__ULACCUM_MAX__ 0XFFFFFFFFFFFFFFFFP-32ULK\000" .ascii "__ULACCUM_MAX__ 0XFFFFFFFFFFFFFFFFP-32ULK\000"
.LASF898: .LASF902:
.ascii "AFRL\000" .ascii "AFRL\000"
.LASF273: .LASF273:
.ascii "__ULFRACT_MIN__ 0.0ULR\000" .ascii "__ULFRACT_MIN__ 0.0ULR\000"
@@ -4974,7 +4994,7 @@ gpio_write:
.ascii "__INT32_TYPE__ long int\000" .ascii "__INT32_TYPE__ long int\000"
.LASF118: .LASF118:
.ascii "__UINT_LEAST8_MAX__ 0xff\000" .ascii "__UINT_LEAST8_MAX__ 0xff\000"
.LASF897: .LASF901:
.ascii "LCKR\000" .ascii "LCKR\000"
.LASF520: .LASF520:
.ascii "__int20__ +2\000" .ascii "__int20__ +2\000"
@@ -5020,7 +5040,7 @@ gpio_write:
.ascii "__QQ_IBIT__ 0\000" .ascii "__QQ_IBIT__ 0\000"
.LASF763: .LASF763:
.ascii "PRIdLEAST32 __PRI32LEAST(d)\000" .ascii "PRIdLEAST32 __PRI32LEAST(d)\000"
.LASF893: .LASF897:
.ascii "OTYPER\000" .ascii "OTYPER\000"
.LASF811: .LASF811:
.ascii "SCNuLEAST64 __SCN64LEAST(u)\000" .ascii "SCNuLEAST64 __SCN64LEAST(u)\000"
@@ -5040,11 +5060,11 @@ gpio_write:
.ascii "__GNUC_MINOR__ 3\000" .ascii "__GNUC_MINOR__ 3\000"
.LASF57: .LASF57:
.ascii "__UINT_LEAST32_TYPE__ long unsigned int\000" .ascii "__UINT_LEAST32_TYPE__ long unsigned int\000"
.LASF909: .LASF913:
.ascii "src/gpio.c\000" .ascii "src/gpio.c\000"
.LASF405: .LASF405:
.ascii "__ARM_FEATURE_NUMERIC_MAXMIN\000" .ascii "__ARM_FEATURE_NUMERIC_MAXMIN\000"
.LASF870: .LASF874:
.ascii "GPIO_BASE_ADDR (0x40020000U)\000" .ascii "GPIO_BASE_ADDR (0x40020000U)\000"
.LASF38: .LASF38:
.ascii "__INTMAX_TYPE__ long long int\000" .ascii "__INTMAX_TYPE__ long long int\000"
@@ -5096,7 +5116,7 @@ gpio_write:
.ascii "__SCN8(x) __INT8 __STRINGIFY(x)\000" .ascii "__SCN8(x) __INT8 __STRINGIFY(x)\000"
.LASF23: .LASF23:
.ascii "__SIZEOF_SIZE_T__ 4\000" .ascii "__SIZEOF_SIZE_T__ 4\000"
.LASF871: .LASF875:
.ascii "GPIO_PORT_OFFSET (0x400U)\000" .ascii "GPIO_PORT_OFFSET (0x400U)\000"
.LASF50: .LASF50:
.ascii "__UINT64_TYPE__ long long unsigned int\000" .ascii "__UINT64_TYPE__ long long unsigned int\000"
@@ -5106,7 +5126,7 @@ gpio_write:
.ascii "__INT64_C(c) c ## LL\000" .ascii "__INT64_C(c) c ## LL\000"
.LASF699: .LASF699:
.ascii "PRIuFAST8 __PRI8FAST(u)\000" .ascii "PRIuFAST8 __PRI8FAST(u)\000"
.LASF867: .LASF871:
.ascii "GPIO_AFRL_AFRL2_BIT 8\000" .ascii "GPIO_AFRL_AFRL2_BIT 8\000"
.LASF190: .LASF190:
.ascii "__LDBL_MIN__ 2.2250738585072014e-308L\000" .ascii "__LDBL_MIN__ 2.2250738585072014e-308L\000"
@@ -5116,7 +5136,7 @@ gpio_write:
.ascii "__ACCUM_IBIT__ 16\000" .ascii "__ACCUM_IBIT__ 16\000"
.LASF509: .LASF509:
.ascii "unsigned\000" .ascii "unsigned\000"
.LASF895: .LASF899:
.ascii "PUPDR\000" .ascii "PUPDR\000"
.LASF835: .LASF835:
.ascii "SCNuMAX __SCNMAX(u)\000" .ascii "SCNuMAX __SCNMAX(u)\000"
@@ -5126,7 +5146,7 @@ gpio_write:
.ascii "_ATTRIBUTE(attrs) __attribute__ (attrs)\000" .ascii "_ATTRIBUTE(attrs) __attribute__ (attrs)\000"
.LASF359: .LASF359:
.ascii "__UDA_IBIT__ 32\000" .ascii "__UDA_IBIT__ 32\000"
.LASF906: .LASF910:
.ascii "mode\000" .ascii "mode\000"
.LASF586: .LASF586:
.ascii "INTPTR_MAX (__INTPTR_MAX__)\000" .ascii "INTPTR_MAX (__INTPTR_MAX__)\000"
@@ -5140,7 +5160,7 @@ gpio_write:
.ascii "__UHQ_FBIT__ 16\000" .ascii "__UHQ_FBIT__ 16\000"
.LASF443: .LASF443:
.ascii "__ARM_FEATURE_COPROC\000" .ascii "__ARM_FEATURE_COPROC\000"
.LASF903: .LASF907:
.ascii "GPIO_MODE_ANALOG\000" .ascii "GPIO_MODE_ANALOG\000"
.LASF177: .LASF177:
.ascii "__DBL_HAS_INFINITY__ 1\000" .ascii "__DBL_HAS_INFINITY__ 1\000"
@@ -5178,7 +5198,7 @@ gpio_write:
.ascii "__FAST8 \000" .ascii "__FAST8 \000"
.LASF496: .LASF496:
.ascii "__XSI_VISIBLE 0\000" .ascii "__XSI_VISIBLE 0\000"
.LASF896: .LASF900:
.ascii "BSRR\000" .ascii "BSRR\000"
.LASF794: .LASF794:
.ascii "PRIu64 __PRI64(u)\000" .ascii "PRIu64 __PRI64(u)\000"
@@ -5266,7 +5286,7 @@ gpio_write:
.ascii "PRIx32 __PRI32(x)\000" .ascii "PRIx32 __PRI32(x)\000"
.LASF278: .LASF278:
.ascii "__LLFRACT_MIN__ (-0.5LLR-0.5LLR)\000" .ascii "__LLFRACT_MIN__ (-0.5LLR-0.5LLR)\000"
.LASF890: .LASF894:
.ascii "uint32_t\000" .ascii "uint32_t\000"
.LASF689: .LASF689:
.ascii "PRIxLEAST8 __PRI8LEAST(x)\000" .ascii "PRIxLEAST8 __PRI8LEAST(x)\000"
@@ -5314,13 +5334,13 @@ gpio_write:
.ascii "__INT_LEAST16_TYPE__ short int\000" .ascii "__INT_LEAST16_TYPE__ short int\000"
.LASF326: .LASF326:
.ascii "__QQ_FBIT__ 7\000" .ascii "__QQ_FBIT__ 7\000"
.LASF875: .LASF879:
.ascii "PINNUM(pin) (pin & 0b1111)\000" .ascii "PINNUM(pin) (pin & 0b1111)\000"
.LASF768: .LASF768:
.ascii "PRIXLEAST32 __PRI32LEAST(X)\000" .ascii "PRIXLEAST32 __PRI32LEAST(X)\000"
.LASF171: .LASF171:
.ascii "__DBL_MAX__ ((double)1.7976931348623157e+308L)\000" .ascii "__DBL_MAX__ ((double)1.7976931348623157e+308L)\000"
.LASF880: .LASF884:
.ascii "short unsigned int\000" .ascii "short unsigned int\000"
.LASF276: .LASF276:
.ascii "__LLFRACT_FBIT__ 63\000" .ascii "__LLFRACT_FBIT__ 63\000"
@@ -5368,7 +5388,7 @@ gpio_write:
.ascii "__SCN64LEAST(x) __LEAST64 __STRINGIFY(x)\000" .ascii "__SCN64LEAST(x) __LEAST64 __STRINGIFY(x)\000"
.LASF280: .LASF280:
.ascii "__LLFRACT_EPSILON__ 0x1P-63LLR\000" .ascii "__LLFRACT_EPSILON__ 0x1P-63LLR\000"
.LASF910: .LASF914:
.ascii "/home/alex/code/own/stm32-falling-sand\000" .ascii "/home/alex/code/own/stm32-falling-sand\000"
.LASF249: .LASF249:
.ascii "__SFRACT_MAX__ 0X7FP-7HR\000" .ascii "__SFRACT_MAX__ 0X7FP-7HR\000"
build/gpio.i
+13 -5
View File
@@ -2003,13 +2003,21 @@ struct gpio {
#define GPIOA ((struct gpio *) GPIOA_BASE_ADDR) #define GPIOA ((struct gpio *) GPIOA_BASE_ADDR)
#define GPIO_MODER_MODER3_BIT 7 #define GPIO_MODER_AF_MODE (0b10)
#define GPIO_MODER_MODER8_BIT 16
#define GPIO_MODER_MODER8_MASK (0b11)
#define GPIO_MODER_MODER3_BIT 6
#define GPIO_MODER_MODER3_MASK (0b11) #define GPIO_MODER_MODER3_MASK (0b11)
#define GPIO_MODER_MODER3_AF (0b10)
#define GPIO_MODER_MODER2_BIT 4 #define GPIO_MODER_MODER2_BIT 4
#define GPIO_MODER_MODER2_MASK (0b11) #define GPIO_MODER_MODER2_MASK (0b11)
#define GPIO_MODER_MODER2_AF (0b10)
#define GPIO_AFRH_AFRH8_BIT 0
#define GPIO_AFRH_AFRH8_MASK (0b1111)
#define GPIO_AFRH_AFRH8_MCO_1 (0b0000)
#define GPIO_AFRL_AFRL3_BIT 12 #define GPIO_AFRL_AFRL3_BIT 12
@@ -2044,9 +2052,9 @@ typedef enum {
void gpio_set_mode(uint16_t pin, GPIO_MODE mode); void gpio_set_mode(uint16_t pin, GPIO_MODE mode);
void gpio_write(uint16_t pin, void gpio_write(uint16_t pin,
# 64 "src/gpio.h" 3 4 # 72 "src/gpio.h" 3 4
_Bool _Bool
# 64 "src/gpio.h" # 72 "src/gpio.h"
val); val);
# 5 "src/gpio.c" 2 # 5 "src/gpio.c" 2
build/gpio.o
BIN
View File
Binary file not shown.
build/main.S
+656 -581
View File
File diff suppressed because it is too large Load Diff
build/main.i
+52 -19
View File
@@ -2029,6 +2029,11 @@ struct rcc {
#define RCC_CR_PLLON_ON (1 << RCC_CR_PLLON_BIT) #define RCC_CR_PLLON_ON (1 << RCC_CR_PLLON_BIT)
#define RCC_CR_CSS_BIT 19
#define RCC_CR_CSS_ON (1 << RCC_CR_CSS_BIT)
#define RCC_CR_HSERDY_BIT 17 #define RCC_CR_HSERDY_BIT 17
#define RCC_CR_HSERDY_READY (1 << RCC_CR_HSERDY_BIT) #define RCC_CR_HSERDY_READY (1 << RCC_CR_HSERDY_BIT)
@@ -2051,6 +2056,7 @@ struct rcc {
#define RCC_PLLCFGR_PLLSRC_BIT 22 #define RCC_PLLCFGR_PLLSRC_BIT 22
#define RCC_PLLCFGR_PLLSRC_HSE (1 << RCC_PLLCFGR_PLLSRC_BIT) #define RCC_PLLCFGR_PLLSRC_HSE (1 << RCC_PLLCFGR_PLLSRC_BIT)
#define RCC_PLLCFGR_PLLSRC_HSI (0 << RCC_PLLCFGR_PLLSRC_BIT)
#define RCC_PLLCFGR_PLLP_BIT 16 #define RCC_PLLCFGR_PLLP_BIT 16
#define RCC_PLLCFGR_PLLP_MASK (0b11) #define RCC_PLLCFGR_PLLP_MASK (0b11)
@@ -2070,6 +2076,21 @@ struct rcc {
#define RCC_CFGR_PPRE_DIV_2 (0b100) #define RCC_CFGR_PPRE_DIV_2 (0b100)
#define RCC_CFGR_MCO1_HSI (0b00)
#define RCC_CFGR_MCO1_HSE (0b10)
#define RCC_CFGR_MCO1_PLL (0b11)
#define RCC_CFGR_MCO1_BIT 21
#define RCC_CFGR_MCO1_MASK (0b11)
#define RCC_CFGR_MCO1PRE_DIV5 (0b111)
#define RCC_CFGR_MCO1PRE_DIV4 (0b110)
#define RCC_CFGR_MCO1PRE_DIV2 (0b100)
#define RCC_CFGR_MCO1PRE_BIT 24
#define RCC_CFGR_MCO1PRE_MASK (0b111)
#define RCC_CFGR_PPRE2_BIT 13 #define RCC_CFGR_PPRE2_BIT 13
#define RCC_CFGR_PPRE2_MASK (0b111) #define RCC_CFGR_PPRE2_MASK (0b111)
@@ -2090,6 +2111,7 @@ struct rcc {
#define RCC_CFGR_SWS_MASK (0b11) #define RCC_CFGR_SWS_MASK (0b11)
#define RCC_CFGR_SW_PLL (0b10)
#define RCC_CFGR_SW_PLL (0b10) #define RCC_CFGR_SW_PLL (0b10)
#define RCC_CFGR_SW_BIT 0 #define RCC_CFGR_SW_BIT 0
@@ -2135,13 +2157,21 @@ struct gpio {
#define GPIOA ((struct gpio *) GPIOA_BASE_ADDR) #define GPIOA ((struct gpio *) GPIOA_BASE_ADDR)
#define GPIO_MODER_MODER3_BIT 7 #define GPIO_MODER_AF_MODE (0b10)
#define GPIO_MODER_MODER8_BIT 16
#define GPIO_MODER_MODER8_MASK (0b11)
#define GPIO_MODER_MODER3_BIT 6
#define GPIO_MODER_MODER3_MASK (0b11) #define GPIO_MODER_MODER3_MASK (0b11)
#define GPIO_MODER_MODER3_AF (0b10)
#define GPIO_MODER_MODER2_BIT 4 #define GPIO_MODER_MODER2_BIT 4
#define GPIO_MODER_MODER2_MASK (0b11) #define GPIO_MODER_MODER2_MASK (0b11)
#define GPIO_MODER_MODER2_AF (0b10)
#define GPIO_AFRH_AFRH8_BIT 0
#define GPIO_AFRH_AFRH8_MASK (0b1111)
#define GPIO_AFRH_AFRH8_MCO_1 (0b0000)
#define GPIO_AFRL_AFRL3_BIT 12 #define GPIO_AFRL_AFRL3_BIT 12
@@ -2176,9 +2206,9 @@ typedef enum {
void gpio_set_mode(uint16_t pin, GPIO_MODE mode); void gpio_set_mode(uint16_t pin, GPIO_MODE mode);
void gpio_write(uint16_t pin, void gpio_write(uint16_t pin,
# 64 "src/gpio.h" 3 4 # 72 "src/gpio.h" 3 4
_Bool _Bool
# 64 "src/gpio.h" # 72 "src/gpio.h"
val); val);
# 6 "src/main.c" 2 # 6 "src/main.c" 2
# 1 "src/flash.h" 1 # 1 "src/flash.h" 1
@@ -2350,9 +2380,14 @@ static void system_clock_init(void) {
((struct pwr *) (0x40007000U))->CR |= ((0b11) << 14); ((struct pwr *) (0x40007000U))->CR |= ((0b11) << 14);
((struct rcc *) (0x40023800U))->CR &= ~(1 << 0);
# 34 "src/main.c"
((struct rcc *) (0x40023800U))->CR |= (1 << 16); ((struct rcc *) (0x40023800U))->CR |= (1 << 16);
((struct rcc *) (0x40023800U))->CR |= (1 << 19);
while (!(((struct rcc *) (0x40023800U))->CR & (1 << 17))); while (!(((struct rcc *) (0x40023800U))->CR & (1 << 17)));
@@ -2361,10 +2396,11 @@ static void system_clock_init(void) {
((struct rcc *) (0x40023800U))->CR &= ~(1 << 24); ((struct rcc *) (0x40023800U))->CR &= ~(1 << 24);
((struct rcc *) (0x40023800U))->PLLCFGR |= (1 << 22); ((struct rcc *) (0x40023800U))->PLLCFGR |= (1 << 22);
((struct rcc *) (0x40023800U))->PLLCFGR |= ((25 & (0b111111)) << 0) | ((196 & (0b111111111)) << 6) | ((2 & (0b11)) << 16) | ((4 & (0b1111)) << 24); ((struct rcc *) (0x40023800U))->PLLCFGR |= ((25 & (0b111111)) << 0) | ((192 & (0b111111111)) << 6) | ((2 & (0b11)) << 16) | ((4 & (0b1111)) << 24);
((struct rcc *) (0x40023800U))->CFGR &= ~((0b1111) << 4); ((struct rcc *) (0x40023800U))->CFGR &= ~((0b1111) << 4);
@@ -2383,26 +2419,23 @@ static void system_clock_init(void) {
while (!(((struct rcc *) (0x40023800U))->CR & (1 << 17))); while (!(((struct rcc *) (0x40023800U))->CR & (1 << 25)));
((struct flash *) (0x40023C00U))->ACR |= (1 <<10); ((struct flash *) (0x40023C00U))->ACR |= (1 <<10);
((struct flash *) (0x40023C00U))->ACR |= (1 <<9); ((struct flash *) (0x40023C00U))->ACR |= (1 <<9);
((struct flash *) (0x40023C00U))->ACR &= ~((0b1111) << 0);
((struct rcc *) (0x40023800U))->CFGR |= ((0x0111) << 0);
((struct rcc *) (0x40023800U))->CFGR &= ~((0b11) << 0);
((struct rcc *) (0x40023800U))->CFGR |= ((0b10) << 0);
((struct rcc *) (0x40023800U))->CFGR |= (((0b10) & (0b11)) << 0);
while (((((struct rcc *) (0x40023800U))->CFGR >> 2) & (0b11)) != (0b10)); while (((((struct rcc *) (0x40023800U))->CFGR >> 2) & (0b11)) != (0b10));
((struct rcc *) (0x40023800U))->CR &= ~(1 << 0);
} }
int main(void) { int main(void) {
@@ -2419,20 +2452,20 @@ int main(void) {
uint16_t counter = ((struct timer *) (0x40000800U))->CNT; uint16_t counter = ((struct timer *) (0x40000800U))->CNT;
# 90 "src/main.c" 3 4 # 103 "src/main.c" 3 4
_Bool _Bool
# 90 "src/main.c" # 103 "src/main.c"
led_on = led_on =
# 90 "src/main.c" 3 4 # 103 "src/main.c" 3 4
((_Bool)+0u) ((_Bool)+0u)
# 90 "src/main.c" # 103 "src/main.c"
; ;
while(1) { while(1) {
if ((((struct timer *) (0x40000800U))->CNT - counter) >= 250) { if ((((struct timer *) (0x40000800U))->CNT - counter) >= 250) {
led_on = !led_on; led_on = !led_on;
gpio_write(led, led_on); gpio_write(led, led_on);
usart2_write("hello, world\n"); usart2_write("hello, world!\n");
counter = ((struct timer *) (0x40000800U))->CNT; counter = ((struct timer *) (0x40000800U))->CNT;
} }
build/main.o
BIN
View File
Binary file not shown.
build/timer.S
+281 -212
View File
File diff suppressed because it is too large Load Diff
build/timer.i
+23 -1
View File
@@ -2014,6 +2014,11 @@ struct rcc {
#define RCC_CR_PLLON_ON (1 << RCC_CR_PLLON_BIT) #define RCC_CR_PLLON_ON (1 << RCC_CR_PLLON_BIT)
#define RCC_CR_CSS_BIT 19
#define RCC_CR_CSS_ON (1 << RCC_CR_CSS_BIT)
#define RCC_CR_HSERDY_BIT 17 #define RCC_CR_HSERDY_BIT 17
#define RCC_CR_HSERDY_READY (1 << RCC_CR_HSERDY_BIT) #define RCC_CR_HSERDY_READY (1 << RCC_CR_HSERDY_BIT)
@@ -2036,6 +2041,7 @@ struct rcc {
#define RCC_PLLCFGR_PLLSRC_BIT 22 #define RCC_PLLCFGR_PLLSRC_BIT 22
#define RCC_PLLCFGR_PLLSRC_HSE (1 << RCC_PLLCFGR_PLLSRC_BIT) #define RCC_PLLCFGR_PLLSRC_HSE (1 << RCC_PLLCFGR_PLLSRC_BIT)
#define RCC_PLLCFGR_PLLSRC_HSI (0 << RCC_PLLCFGR_PLLSRC_BIT)
#define RCC_PLLCFGR_PLLP_BIT 16 #define RCC_PLLCFGR_PLLP_BIT 16
#define RCC_PLLCFGR_PLLP_MASK (0b11) #define RCC_PLLCFGR_PLLP_MASK (0b11)
@@ -2055,6 +2061,21 @@ struct rcc {
#define RCC_CFGR_PPRE_DIV_2 (0b100) #define RCC_CFGR_PPRE_DIV_2 (0b100)
#define RCC_CFGR_MCO1_HSI (0b00)
#define RCC_CFGR_MCO1_HSE (0b10)
#define RCC_CFGR_MCO1_PLL (0b11)
#define RCC_CFGR_MCO1_BIT 21
#define RCC_CFGR_MCO1_MASK (0b11)
#define RCC_CFGR_MCO1PRE_DIV5 (0b111)
#define RCC_CFGR_MCO1PRE_DIV4 (0b110)
#define RCC_CFGR_MCO1PRE_DIV2 (0b100)
#define RCC_CFGR_MCO1PRE_BIT 24
#define RCC_CFGR_MCO1PRE_MASK (0b111)
#define RCC_CFGR_PPRE2_BIT 13 #define RCC_CFGR_PPRE2_BIT 13
#define RCC_CFGR_PPRE2_MASK (0b111) #define RCC_CFGR_PPRE2_MASK (0b111)
@@ -2075,6 +2096,7 @@ struct rcc {
#define RCC_CFGR_SWS_MASK (0b11) #define RCC_CFGR_SWS_MASK (0b11)
#define RCC_CFGR_SW_PLL (0b10)
#define RCC_CFGR_SW_PLL (0b10) #define RCC_CFGR_SW_PLL (0b10)
#define RCC_CFGR_SW_BIT 0 #define RCC_CFGR_SW_BIT 0
@@ -2145,7 +2167,7 @@ void tim4_init(void) {
((struct timer *) (0x40000800U))->PSC = (uint16_t) 48000 - 1; ((struct timer *) (0x40000800U))->PSC = (uint16_t) 96000 - 1;
((struct timer *) (0x40000800U))->ARR = (uint16_t) 0xFFFF; ((struct timer *) (0x40000800U))->ARR = (uint16_t) 0xFFFF;
build/timer.o
BIN
View File
Binary file not shown.
build/usart.S
+526 -430
View File
File diff suppressed because it is too large Load Diff
build/usart.i
+48 -15
View File
@@ -2014,6 +2014,11 @@ struct rcc {
#define RCC_CR_PLLON_ON (1 << RCC_CR_PLLON_BIT) #define RCC_CR_PLLON_ON (1 << RCC_CR_PLLON_BIT)
#define RCC_CR_CSS_BIT 19
#define RCC_CR_CSS_ON (1 << RCC_CR_CSS_BIT)
#define RCC_CR_HSERDY_BIT 17 #define RCC_CR_HSERDY_BIT 17
#define RCC_CR_HSERDY_READY (1 << RCC_CR_HSERDY_BIT) #define RCC_CR_HSERDY_READY (1 << RCC_CR_HSERDY_BIT)
@@ -2036,6 +2041,7 @@ struct rcc {
#define RCC_PLLCFGR_PLLSRC_BIT 22 #define RCC_PLLCFGR_PLLSRC_BIT 22
#define RCC_PLLCFGR_PLLSRC_HSE (1 << RCC_PLLCFGR_PLLSRC_BIT) #define RCC_PLLCFGR_PLLSRC_HSE (1 << RCC_PLLCFGR_PLLSRC_BIT)
#define RCC_PLLCFGR_PLLSRC_HSI (0 << RCC_PLLCFGR_PLLSRC_BIT)
#define RCC_PLLCFGR_PLLP_BIT 16 #define RCC_PLLCFGR_PLLP_BIT 16
#define RCC_PLLCFGR_PLLP_MASK (0b11) #define RCC_PLLCFGR_PLLP_MASK (0b11)
@@ -2055,6 +2061,21 @@ struct rcc {
#define RCC_CFGR_PPRE_DIV_2 (0b100) #define RCC_CFGR_PPRE_DIV_2 (0b100)
#define RCC_CFGR_MCO1_HSI (0b00)
#define RCC_CFGR_MCO1_HSE (0b10)
#define RCC_CFGR_MCO1_PLL (0b11)
#define RCC_CFGR_MCO1_BIT 21
#define RCC_CFGR_MCO1_MASK (0b11)
#define RCC_CFGR_MCO1PRE_DIV5 (0b111)
#define RCC_CFGR_MCO1PRE_DIV4 (0b110)
#define RCC_CFGR_MCO1PRE_DIV2 (0b100)
#define RCC_CFGR_MCO1PRE_BIT 24
#define RCC_CFGR_MCO1PRE_MASK (0b111)
#define RCC_CFGR_PPRE2_BIT 13 #define RCC_CFGR_PPRE2_BIT 13
#define RCC_CFGR_PPRE2_MASK (0b111) #define RCC_CFGR_PPRE2_MASK (0b111)
@@ -2075,6 +2096,7 @@ struct rcc {
#define RCC_CFGR_SWS_MASK (0b11) #define RCC_CFGR_SWS_MASK (0b11)
#define RCC_CFGR_SW_PLL (0b10)
#define RCC_CFGR_SW_PLL (0b10) #define RCC_CFGR_SW_PLL (0b10)
#define RCC_CFGR_SW_BIT 0 #define RCC_CFGR_SW_BIT 0
@@ -2132,13 +2154,21 @@ struct gpio {
#define GPIOA ((struct gpio *) GPIOA_BASE_ADDR) #define GPIOA ((struct gpio *) GPIOA_BASE_ADDR)
#define GPIO_MODER_MODER3_BIT 7 #define GPIO_MODER_AF_MODE (0b10)
#define GPIO_MODER_MODER8_BIT 16
#define GPIO_MODER_MODER8_MASK (0b11)
#define GPIO_MODER_MODER3_BIT 6
#define GPIO_MODER_MODER3_MASK (0b11) #define GPIO_MODER_MODER3_MASK (0b11)
#define GPIO_MODER_MODER3_AF (0b10)
#define GPIO_MODER_MODER2_BIT 4 #define GPIO_MODER_MODER2_BIT 4
#define GPIO_MODER_MODER2_MASK (0b11) #define GPIO_MODER_MODER2_MASK (0b11)
#define GPIO_MODER_MODER2_AF (0b10)
#define GPIO_AFRH_AFRH8_BIT 0
#define GPIO_AFRH_AFRH8_MASK (0b1111)
#define GPIO_AFRH_AFRH8_MCO_1 (0b0000)
#define GPIO_AFRL_AFRL3_BIT 12 #define GPIO_AFRL_AFRL3_BIT 12
@@ -2173,9 +2203,9 @@ typedef enum {
void gpio_set_mode(uint16_t pin, GPIO_MODE mode); void gpio_set_mode(uint16_t pin, GPIO_MODE mode);
void gpio_write(uint16_t pin, void gpio_write(uint16_t pin,
# 64 "src/gpio.h" 3 4 # 72 "src/gpio.h" 3 4
_Bool _Bool
# 64 "src/gpio.h" # 72 "src/gpio.h"
val); val);
# 3 "src/usart.c" 2 # 3 "src/usart.c" 2
# 1 "src/usart.h" 1 # 1 "src/usart.h" 1
@@ -2250,8 +2280,8 @@ void usart2_init(void) {
((struct gpio *) (0x40020000U))->MODER &= ~((0b11) << 4); ((struct gpio *) (0x40020000U))->MODER &= ~((0b11) << 4);
((struct gpio *) (0x40020000U))->MODER |= ((0b10) << 4); ((struct gpio *) (0x40020000U))->MODER |= ((0b10) << 4);
((struct gpio *) (0x40020000U))->MODER &= ~((0b11) << 7); ((struct gpio *) (0x40020000U))->MODER &= ~((0b11) << 6);
((struct gpio *) (0x40020000U))->MODER |= ((0b10) << 7); ((struct gpio *) (0x40020000U))->MODER |= ((0b10) << 6);
((struct gpio *) (0x40020000U))->AFRL &= ~((0b1111) << 8); ((struct gpio *) (0x40020000U))->AFRL &= ~((0b1111) << 8);
@@ -2260,19 +2290,22 @@ void usart2_init(void) {
((struct gpio *) (0x40020000U))->AFRL |= ((0b0111) << 12); ((struct gpio *) (0x40020000U))->AFRL |= ((0b0111) << 12);
((struct gpio *) (0x40020000U))->MODER &= ~((0b11) << 16);
((struct gpio *) (0x40020000U))->MODER |= ((0b10) << 16);
((struct gpio *) (0x40020000U))->AFRH &= ~((0b1111) << 0);
((struct gpio *) (0x40020000U))->AFRH |= ((0b0000) << 0);
((struct rcc *) (0x40023800U))->APB1ENR |= (1 << 17); ((struct rcc *) (0x40023800U))->APB1ENR |= (1 << 17);
((struct usart *) (0x40004400U))->CR1 = 0; ((struct usart *) (0x40004400U))->CR1 = 0;
((struct usart *) (0x40004400U))->CR2 = 0; ((struct usart *) (0x40004400U))->CR2 = 0;
((struct usart *) (0x40004400U))->CR3 = 0; ((struct usart *) (0x40004400U))->CR3 = 0;
# 54 "src/usart.c" # 71 "src/usart.c"
((struct usart *) (0x40004400U))->BRR &= ~((0b111111111111) << 4); ((struct usart *) (0x40004400U))->BRR |= 417;
((struct usart *) (0x40004400U))->BRR |= (0x34 << 4);
((struct usart *) (0x40004400U))->BRR &= ~((0b111) << 0);
((struct usart *) (0x40004400U))->BRR |= (0x0 << 0);
((struct usart *) (0x40004400U))->CR1 |= (1 << 3); ((struct usart *) (0x40004400U))->CR1 |= (1 << 3);
@@ -2288,8 +2321,8 @@ void usart2_write_byte(uint8_t c) {
((struct usart *) (0x40004400U))->DR = c; ((struct usart *) (0x40004400U))->DR = c;
while ((((struct usart *) (0x40004400U))->SR & (1 << 7)) == 0);
while (!(((struct usart *) (0x40004400U))->SR & (1 << 6)));
} }
void usart2_write(char *buf) { void usart2_write(char *buf) {
build/usart.o
BIN
View File
Binary file not shown.
src/gpio.h
+13 -5
View File
@@ -21,22 +21,30 @@ struct gpio {
#define GPIOA ((struct gpio *) GPIOA_BASE_ADDR) #define GPIOA ((struct gpio *) GPIOA_BASE_ADDR)
// MODER register // MODER register
#define GPIO_MODER_MODER3_BIT 7 // Bits [7:6] #define GPIO_MODER_AF_MODE (0b10)
#define GPIO_MODER_MODER8_BIT 16 // Bits [17:16]
#define GPIO_MODER_MODER8_MASK (0b11)
#define GPIO_MODER_MODER3_BIT 6 // Bits [7:6]
#define GPIO_MODER_MODER3_MASK (0b11) #define GPIO_MODER_MODER3_MASK (0b11)
#define GPIO_MODER_MODER3_AF (0b10)
#define GPIO_MODER_MODER2_BIT 4 // Bits [5:4] #define GPIO_MODER_MODER2_BIT 4 // Bits [5:4]
#define GPIO_MODER_MODER2_MASK (0b11) #define GPIO_MODER_MODER2_MASK (0b11)
#define GPIO_MODER_MODER2_AF (0b10)
// AFRH register
#define GPIO_AFRH_AFRH8_BIT 0 // Bits [3:0]
#define GPIO_AFRH_AFRH8_MASK (0b1111)
#define GPIO_AFRH_AFRH8_MCO_1 (0b0000) // Alternative function 0 (AF0)
// AFRL register // AFRL register
#define GPIO_AFRL_AFRL3_BIT 12 // Bits [15:12] #define GPIO_AFRL_AFRL3_BIT 12 // Bits [15:12]
#define GPIO_AFRL_AFRL3_MASK (0b1111) #define GPIO_AFRL_AFRL3_MASK (0b1111)
#define GPIO_AFRL_AFRL3_USART2_RX (0b0111) // Alternative function 7 #define GPIO_AFRL_AFRL3_USART2_RX (0b0111) // Alternative function 7 (AF7)
#define GPIO_AFRL_AFRL2_BIT 8 // Bits [11:8] #define GPIO_AFRL_AFRL2_BIT 8 // Bits [11:8]
#define GPIO_AFRL_AFRL2_MASK (0b1111) #define GPIO_AFRL_AFRL2_MASK (0b1111)
#define GPIO_AFRL_AFRL2_USART2_TX (0b0111) // Alternative function 7 #define GPIO_AFRL_AFRL2_USART2_TX (0b0111) // Alternative function 7 (AF7)
src/main.c
+21 -8
View File
@@ -18,9 +18,24 @@ static void system_clock_init(void) {
PWR->CR &= ~(PWR_CR_VOS_MASK << PWR_CR_VOS_BIT); PWR->CR &= ~(PWR_CR_VOS_MASK << PWR_CR_VOS_BIT);
PWR->CR |= (PWR_SCALE3 << PWR_CR_VOS_BIT); PWR->CR |= (PWR_SCALE3 << PWR_CR_VOS_BIT);
// Turn off HSI (which is on by default)
RCC->CR &= ~RCC_CR_HSION_ON;
// Output HSE clock
/* RCC->CFGR &= ~(RCC_CFGR_MCO1_MASK << RCC_CFGR_MCO1_BIT); */
/* RCC->CFGR |= (RCC_CFGR_MCO1_HSE << RCC_CFGR_MCO1_BIT); */
/* RCC->CFGR |= (RCC_CFGR_MCO1_PLL << RCC_CFGR_MCO1_BIT); */
/* RCC->CFGR |= (RCC_CFGR_MCO1_HSI << RCC_CFGR_MCO1_BIT); */
/* RCC->CFGR &= ~(RCC_CFGR_MCO1PRE_MASK << RCC_CFGR_MCO1PRE_BIT); */
/* RCC->CFGR |= (RCC_CFGR_MCO1PRE_DIV4 << RCC_CFGR_MCO1PRE_BIT); */
// Turn on HSE // Turn on HSE
RCC->CR |= RCC_CR_HSEON_ON; RCC->CR |= RCC_CR_HSEON_ON;
// Turn on clock security system
RCC->CR |= RCC_CR_CSS_ON;
// Wait indefinitely for HSE to be ready // Wait indefinitely for HSE to be ready
// TODO indicate error/timeout somehow? // TODO indicate error/timeout somehow?
while (!(RCC->CR & RCC_CR_HSERDY_READY)); while (!(RCC->CR & RCC_CR_HSERDY_READY));
@@ -30,6 +45,7 @@ static void system_clock_init(void) {
RCC->CR &= ~RCC_CR_PLLON_ON; RCC->CR &= ~RCC_CR_PLLON_ON;
// Set HSE as PLL source // Set HSE as PLL source
/* RCC->PLLCFGR |= RCC_PLLCFGR_PLLSRC_HSE; */
RCC->PLLCFGR |= RCC_PLLCFGR_PLLSRC_HSE; RCC->PLLCFGR |= RCC_PLLCFGR_PLLSRC_HSE;
// Settings to achieve system clock of 96Mhz // Settings to achieve system clock of 96Mhz
@@ -58,20 +74,17 @@ static void system_clock_init(void) {
FLASH->ACR |= FLASH_ACR_DCEN_ENABLE; FLASH->ACR |= FLASH_ACR_DCEN_ENABLE;
FLASH->ACR |= FLASH_ACR_ICEN_ENABLE; FLASH->ACR |= FLASH_ACR_ICEN_ENABLE;
// TODO breaks with these flash settings on; what were they intended to do?
// Set latency to be 3 wait states (TODO: understand why exactly 3) // Set latency to be 3 wait states (TODO: understand why exactly 3)
FLASH->ACR &= ~(FLASH_ACR_LATENCY_MASK << FLASH_ACR_LATENCY_BIT); /* FLASH->ACR &= ~(FLASH_ACR_LATENCY_MASK << FLASH_ACR_LATENCY_BIT); */
RCC->CFGR |= (FLASH_ACR_LATENCY_3_WAIT_STATES << FLASH_ACR_LATENCY_BIT); /* RCC->CFGR |= (FLASH_ACR_LATENCY_3_WAIT_STATES << FLASH_ACR_LATENCY_BIT); */
// Use PLL as system clock // Use PLL as system clock
RCC->CFGR &= ~(RCC_CFGR_SW_MASK << RCC_CFGR_SW_BIT); RCC->CFGR |= RCC_CFGR_SW(RCC_CFGR_SW_PLL);
RCC->CFGR |= (RCC_CFGR_SW_PLL << RCC_CFGR_SW_BIT);
// Wait indefinitely for PLL clock to be selected // Wait indefinitely for PLL clock to be selected
// TODO indicate error/timeout somehow? // TODO indicate error/timeout somehow?
while (((RCC->CFGR >> RCC_CFGR_SWS_BIT) & RCC_CFGR_SWS_MASK) != RCC_CFGR_SWS_PLL); while (((RCC->CFGR >> RCC_CFGR_SWS_BIT) & RCC_CFGR_SWS_MASK) != RCC_CFGR_SWS_PLL);
// Turn off HSI (which is on by default)
RCC->CR &= ~RCC_CR_HSION_ON;
} }
int main(void) { int main(void) {
@@ -93,7 +106,7 @@ int main(void) {
led_on = !led_on; led_on = !led_on;
gpio_write(led, led_on); gpio_write(led, led_on);
usart2_write("hello, world\n"); usart2_write("hello, world!\n");
counter = TIM4->CNT; counter = TIM4->CNT;
} }
src/rcc.h
+22
View File
@@ -46,6 +46,11 @@ struct rcc {
#define RCC_CR_PLLON_BIT 24 #define RCC_CR_PLLON_BIT 24
#define RCC_CR_PLLON_ON (1 << RCC_CR_PLLON_BIT) #define RCC_CR_PLLON_ON (1 << RCC_CR_PLLON_BIT)
// Clock security system
#define RCC_CR_CSS_BIT 19
#define RCC_CR_CSS_ON (1 << RCC_CR_CSS_BIT)
// HSE clock ready flag // HSE clock ready flag
#define RCC_CR_HSERDY_BIT 17 #define RCC_CR_HSERDY_BIT 17
#define RCC_CR_HSERDY_READY (1 << RCC_CR_HSERDY_BIT) #define RCC_CR_HSERDY_READY (1 << RCC_CR_HSERDY_BIT)
@@ -69,6 +74,7 @@ struct rcc {
#define RCC_PLLCFGR_PLLSRC_BIT 22 #define RCC_PLLCFGR_PLLSRC_BIT 22
#define RCC_PLLCFGR_PLLSRC_HSE (1 << RCC_PLLCFGR_PLLSRC_BIT) #define RCC_PLLCFGR_PLLSRC_HSE (1 << RCC_PLLCFGR_PLLSRC_BIT)
#define RCC_PLLCFGR_PLLSRC_HSI (0 << RCC_PLLCFGR_PLLSRC_BIT)
#define RCC_PLLCFGR_PLLP_BIT 16 // Bits [17:16] #define RCC_PLLCFGR_PLLP_BIT 16 // Bits [17:16]
#define RCC_PLLCFGR_PLLP_MASK (0b11) #define RCC_PLLCFGR_PLLP_MASK (0b11)
@@ -87,6 +93,21 @@ struct rcc {
#define RCC_CFGR_PPRE_DIV_NONE 0 #define RCC_CFGR_PPRE_DIV_NONE 0
#define RCC_CFGR_PPRE_DIV_2 (0b100) #define RCC_CFGR_PPRE_DIV_2 (0b100)
// Microcontroller clock output 1
#define RCC_CFGR_MCO1_HSI (0b00)
#define RCC_CFGR_MCO1_HSE (0b10)
#define RCC_CFGR_MCO1_PLL (0b11)
#define RCC_CFGR_MCO1_BIT 21 // Bits [22:21]
#define RCC_CFGR_MCO1_MASK (0b11)
#define RCC_CFGR_MCO1PRE_DIV5 (0b111)
#define RCC_CFGR_MCO1PRE_DIV4 (0b110)
#define RCC_CFGR_MCO1PRE_DIV2 (0b100)
#define RCC_CFGR_MCO1PRE_BIT 24 // Bits [26:24]
#define RCC_CFGR_MCO1PRE_MASK (0b111)
// APB2 // APB2
#define RCC_CFGR_PPRE2_BIT 13 // Bits [15:13] #define RCC_CFGR_PPRE2_BIT 13 // Bits [15:13]
#define RCC_CFGR_PPRE2_MASK (0b111) #define RCC_CFGR_PPRE2_MASK (0b111)
@@ -109,6 +130,7 @@ struct rcc {
// System clock switch // System clock switch
#define RCC_CFGR_SW_PLL (0b10) #define RCC_CFGR_SW_PLL (0b10)
#define RCC_CFGR_SW_PLL (0b10)
#define RCC_CFGR_SW_BIT 0 // Bits [1:0] #define RCC_CFGR_SW_BIT 0 // Bits [1:0]
#define RCC_CFGR_SW_MASK (0b11) #define RCC_CFGR_SW_MASK (0b11)
src/timer.c
+2 -2
View File
@@ -10,8 +10,8 @@ void tim4_init(void) {
TIM4->CR2 = 0x0000; TIM4->CR2 = 0x0000;
// Set prescaler // Set prescaler
// f_clk = 48MHz -> /48000 = 1KHz counting frequency = 1ms // f_clk = 96MHz -> 96E6/96E3 = 1E3 = 1KHz counting frequency = 1ms
TIM4->PSC = (uint16_t) 48000 - 1; TIM4->PSC = (uint16_t) 96000 - 1;
// Set ARR to maximum value to get 1ms between updates // Set ARR to maximum value to get 1ms between updates
TIM4->ARR = (uint16_t) 0xFFFF; TIM4->ARR = (uint16_t) 0xFFFF;
src/usart.c
+30 -18
View File
@@ -9,9 +9,9 @@ void usart2_init(void) {
// Configure PA2 and PA3 (USART2 pins) to use alternative functions // Configure PA2 and PA3 (USART2 pins) to use alternative functions
// file:///home/alex/sync/org/stm32-sand/stm32f411ce.pdf#page=48 // file:///home/alex/sync/org/stm32-sand/stm32f411ce.pdf#page=48
GPIOA->MODER &= ~(GPIO_MODER_MODER2_MASK << GPIO_MODER_MODER2_BIT); GPIOA->MODER &= ~(GPIO_MODER_MODER2_MASK << GPIO_MODER_MODER2_BIT);
GPIOA->MODER |= (GPIO_MODER_MODER2_AF << GPIO_MODER_MODER2_BIT); GPIOA->MODER |= (GPIO_MODER_AF_MODE << GPIO_MODER_MODER2_BIT);
GPIOA->MODER &= ~(GPIO_MODER_MODER3_MASK << GPIO_MODER_MODER3_BIT); GPIOA->MODER &= ~(GPIO_MODER_MODER3_MASK << GPIO_MODER_MODER3_BIT);
GPIOA->MODER |= (GPIO_MODER_MODER3_AF << GPIO_MODER_MODER3_BIT); GPIOA->MODER |= (GPIO_MODER_AF_MODE << GPIO_MODER_MODER3_BIT);
// Set pin alternative modes to use USART // Set pin alternative modes to use USART
GPIOA->AFRL &= ~(GPIO_AFRL_AFRL2_MASK << GPIO_AFRL_AFRL2_BIT); GPIOA->AFRL &= ~(GPIO_AFRL_AFRL2_MASK << GPIO_AFRL_AFRL2_BIT);
@@ -19,6 +19,14 @@ void usart2_init(void) {
GPIOA->AFRL &= ~(GPIO_AFRL_AFRL3_MASK << GPIO_AFRL_AFRL3_BIT); GPIOA->AFRL &= ~(GPIO_AFRL_AFRL3_MASK << GPIO_AFRL_AFRL3_BIT);
GPIOA->AFRL |= (GPIO_AFRL_AFRL3_USART2_RX << GPIO_AFRL_AFRL3_BIT); GPIOA->AFRL |= (GPIO_AFRL_AFRL3_USART2_RX << GPIO_AFRL_AFRL3_BIT);
// Configure PA8 to output HSE (MCO1)
GPIOA->MODER &= ~(GPIO_MODER_MODER8_MASK << GPIO_MODER_MODER8_BIT);
GPIOA->MODER |= (GPIO_MODER_AF_MODE << GPIO_MODER_MODER8_BIT);
// Set pin alternative mode to use MCO1
GPIOA->AFRH &= ~(GPIO_AFRH_AFRH8_MASK << GPIO_AFRH_AFRH8_BIT);
GPIOA->AFRH |= (GPIO_AFRH_AFRH8_MCO_1 << GPIO_AFRH_AFRH8_BIT);
// Enable USART // Enable USART
RCC->APB1ENR |= RCC_APB1ENR_USART2EN_ENABLE; RCC->APB1ENR |= RCC_APB1ENR_USART2EN_ENABLE;
@@ -30,33 +38,37 @@ void usart2_init(void) {
// Calculate Baud rate: // Calculate Baud rate:
// baud = f_clck / (8 * (2 - OVER8) * USARTDIV) => // baud = f_clck / (8 * (2 - OVER8) * USARTDIV) =>
// (8 * (2 - OVER8) * USARTDIV) = f_clock / baud => // (8 * (2 - OVER8) * USARTDIV) = f_clock / baud =>
// baud * (8 * (2 - OVER8) * USARTDIV) = f_clock =>
// USARTDIV = (f_clock / (baud * (8 * (2 - OVER8))) // USARTDIV = (f_clock / (baud * (8 * (2 - OVER8)))
// Target Baud rate = 115200, f_clock = 48MHz // Target Baud rate = 115200, f_clock = 48MHz,OVER8 = 0
// With OVER8 = 1 (oversampling by 8) // USARTDIV = (48E6 / (115200 * (8 * 2))) = 26.0416666
// USARTDIV = (48E6 / (115200 * (8 * (2 - 0)))) = 26.0416666 // mantissa = 26 = 0x1A
// mantissa = 26 // fraction = 0.041666 * 16 = 0.666656 ~= 1
// fraction = 0.041666 * 8 = 0.33328 ~= 0
// rounding fraction up: USARTDIV = 26
// baud = 48E6 / (8 * 2 * 26) = 115384.61538461539 // baud = 48E6 / (8 * 2 * 26) = 115384.61538461539
// error of 0.001% (115384.61538461539 / 115200 ) = 1.001602564102564 // error of 0.001% (115384.61538461539 / 115200 ) = 1.001602564102564
// f_clock = USARTDIV * (baud * (8 * 2)
// f_clock = 26 * 115200 * 16 = 47923200 = 48MHz
// baud = f_clck / (8 * (2 - OVER8) * USARTDIV) */ // fclk = 13 * 115200 * 16
// baud * ((8 * (2 - OVER8) * USARTDIV)) = f_clck */
// 393400 * (8 * 2 * 26) = 163654400
// Baud = 9600
// USARTDIV = (48E6 / (9600 * (8 * 2))) = 312.5
// mantissa = 312 = 0x138
// fraction = 0.5 * 16 = 8 = 0x8
// BRR = 0x1388
/* USART2->CR1 |= USART_CR1_OVER8_8; */ /* USART2->CR1 |= USART_CR1_OVER8_8; */
USART2->BRR &= ~(USART_BRR_MANTISSA_MASK << USART_BRR_MANTISSA_BIT); /* USART2->BRR &= ~(USART_BRR_MANTISSA_MASK << USART_BRR_MANTISSA_BIT); */
USART2->BRR |= (0x34 << USART_BRR_MANTISSA_BIT);
/* USART2->BRR |= (0x69 << USART_BRR_MANTISSA_BIT); */
/* USART2->BRR |= (0x1A << USART_BRR_MANTISSA_BIT); */ /* USART2->BRR |= (0x1A << USART_BRR_MANTISSA_BIT); */
USART2->BRR &= ~(USART_BRR_FRACTION_MASK << USART_BRR_FRACTION_BIT); /* USART2->BRR &= ~(USART_BRR_FRACTION_MASK << USART_BRR_FRACTION_BIT); */
USART2->BRR |= (0x0 << USART_BRR_FRACTION_BIT); USART2->BRR |= 417;
// Enable transmitter and receiver // Enable transmitter and receiver
USART2->CR1 |= USART_CR1_TE_ENABLE; USART2->CR1 |= USART_CR1_TE_ENABLE;
@@ -72,8 +84,8 @@ void usart2_write_byte(uint8_t c) {
USART2->DR = c; USART2->DR = c;
// Wait indefinitely for transmission to be ready for data // Wait indefinitely for transmission to be ready for data
while ((USART2->SR & USART_SR_TXE_TRANSMITTED) == 0); /* while ((USART2->SR & USART_SR_TXE_TRANSMITTED) == 0); */
/* while (!(USART2->SR & USART_SR_TC_COMPLETED)); */ while (!(USART2->SR & USART_SR_TC_COMPLETED));
} }
void usart2_write(char *buf) { void usart2_write(char *buf) {
src/usart.h
+2 -2
View File
@@ -49,10 +49,10 @@ struct usart {
// BRR Register // BRR Register
#define USART_BRR_MANTISSA_BIT 4 // Bits [15:4] #define USART_BRR_MANTISSA_BIT 4 // Bits [15:4]
#define USART_BRR_MANTISSA_MASK (0b111111111111) // Bits [15:4] #define USART_BRR_MANTISSA_MASK (0b111111111111)
#define USART_BRR_FRACTION_BIT 0 // Bits [3:0] #define USART_BRR_FRACTION_BIT 0 // Bits [3:0]
#define USART_BRR_FRACTION_MASK (0b111) // Bits [3:0] #define USART_BRR_FRACTION_MASK (0b111)
void usart2_init(void); void usart2_init(void);
void usart2_start(void); void usart2_start(void);