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wip working usart, not receiving over tty

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This commit is contained in:
Alexander Heldt
2024-12-26 15:02:52 +01:00
parent a3c1de878a
commit 592717d900
27 changed files with 10185 additions and 944 deletions
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34
build/gpio.i
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@@ -1,5 +1,5 @@
# 0 "src/gpio.c"
# 1 "/home/alex/code/own/c-compile-experiments//"
# 1 "/home/alex/code/own/stm32-falling-sand//"
# 0 "<built-in>"
#define __STDC__ 1
# 0 "<built-in>"
@@ -1995,10 +1995,34 @@ struct gpio {
volatile uint32_t ODR;
volatile uint32_t BSRR;
volatile uint32_t LCKR;
volatile uint32_t AFRL[2];
volatile uint32_t AFRH[2];
volatile uint32_t AFRL;
volatile uint32_t AFRH;
};
#define GPIOA_BASE_ADDR (0x40020000U)
#define GPIOA ((struct gpio *) GPIOA_BASE_ADDR)
#define GPIO_MODER_MODER3_BIT 7
#define GPIO_MODER_MODER3_MASK (0b11)
#define GPIO_MODER_MODER3_AF (0b10)
#define GPIO_MODER_MODER2_BIT 4
#define GPIO_MODER_MODER2_MASK (0b11)
#define GPIO_MODER_MODER2_AF (0b10)
#define GPIO_AFRL_AFRL3_BIT 12
#define GPIO_AFRL_AFRL3_MASK (0b1111)
#define GPIO_AFRL_AFRL3_USART2_RX (0b0111)
#define GPIO_AFRL_AFRL2_BIT 8
#define GPIO_AFRL_AFRL2_MASK (0b1111)
#define GPIO_AFRL_AFRL2_USART2_TX (0b0111)
#define GPIO_BASE_ADDR (0x40020000U)
#define GPIO_PORT_OFFSET (0x400U)
#define GPIO(port) ((struct gpio*)(uintptr_t)(GPIO_BASE_ADDR + (GPIO_PORT_OFFSET * port)))
@@ -2020,9 +2044,9 @@ typedef enum {
void gpio_set_mode(uint16_t pin, GPIO_MODE mode);
void gpio_write(uint16_t pin,
# 40 "src/gpio.h" 3 4
# 64 "src/gpio.h" 3 4
_Bool
# 40 "src/gpio.h"
# 64 "src/gpio.h"
val);
# 5 "src/gpio.c" 2