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Add ability to debug clock with MCO1

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This commit is contained in:
Alexander Heldt
2025-01-01 12:37:52 +01:00
parent 55ee09eab8
commit 1ae81edf57
17 changed files with 1124 additions and 926 deletions
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24
build/usart.i
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@@ -2055,6 +2055,19 @@ struct rcc {
#define RCC_CFGR_PPRE_DIV_2 (0b100)
#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_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_MASK (0b111)
@@ -2124,6 +2137,7 @@ struct gpio {
};
#define GPIO_AF_MCO_1 (0b0000)
#define GPIO_AF_USART2_RX (0b0111)
#define GPIO_AF_USART2_TX (0b0111)
@@ -2150,9 +2164,9 @@ typedef enum {
void gpio_set_mode(uint16_t pin, GPIO_MODE mode);
void gpio_set_af(uint16_t pin, uint8_t af);
void gpio_write(uint16_t pin,
# 46 "src/gpio.h" 3 4
# 47 "src/gpio.h" 3 4
_Bool
# 46 "src/gpio.h"
# 47 "src/gpio.h"
val);
# 3 "src/usart.c" 2
# 1 "src/usart.h" 1
@@ -2218,16 +2232,14 @@ void usart2_init(void) {
uint16_t rxPin = (((('A') - 'A') << 8) | 3);
gpio_set_mode(rxPin, GPIO_MODE_AF);
gpio_set_af(rxPin, (0b0111));
# 29 "src/usart.c"
((struct rcc *) (0x40023800U))->APB1ENR |= (1 << 17);
((struct usart *) (0x40004400U))->CR1 = 0;
((struct usart *) (0x40004400U))->CR2 = 0;
((struct usart *) (0x40004400U))->CR3 = 0;
# 43 "src/usart.c"
# 52 "src/usart.c"
((struct usart *) (0x40004400U))->BRR &= ~((0b111111111111) << 4);
((struct usart *) (0x40004400U))->BRR |= (0x1A << 4);
((struct usart *) (0x40004400U))->BRR &= ~((0b111) << 0);