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rework bsp

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Signed-off-by: HiFiPhile <admin@hifiphile.com>
This commit is contained in:
HiFiPhile
2026-05-14 14:08:57 +02:00
parent 39f92bdd91
commit 3da2464a30
2 changed files with 47 additions and 34 deletions
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2
hw/bsp/stm32c5/boards/stm32c542nucleo/board.h
View File

@ -39,7 +39,7 @@
// Button
#define BUTTON_PORT HAL_GPIOC
#define BUTTON_PIN HAL_GPIO_PIN_13
#define BUTTON_STATE_ACTIVE 0
#define BUTTON_STATE_ACTIVE 1
// Enable UART serial communication with the ST-Link
#define UART_ID 2

79
hw/bsp/stm32c5/family.c
View File

@ -35,18 +35,14 @@
#ifdef UART_ID
#if UART_ID == 1
#define UARTn HAL_UART1
#define UARTn USART1
#define UARTn_CLK_ENABLE HAL_RCC_USART1_EnableClock
#elif UART_ID == 2
#define UARTn HAL_UART2
#define UARTn USART2
#define UARTn_CLK_ENABLE HAL_RCC_USART2_EnableClock
#endif
#endif
#ifndef UART_GET_INSTANCE
#define UART_GET_INSTANCE(handle) ((USART_TypeDef *)((uint32_t)(handle)->instance))
#endif
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
//--------------------------------------------------------------------+
@ -57,11 +53,12 @@ void USB_DRD_FS_IRQHandler(void) {
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM
//--------------------------------------------------------------------+
#ifdef UART_ID
static hal_uart_handle_t hUSART;
#endif
static void mpu_init(void);
void board_init(void) {
mpu_init();
LL_ICACHE_Enable(ICACHE);
HAL_Init();
board_clock_init();
@ -117,29 +114,45 @@ void board_init(void) {
HAL_GPIO_Init(UART_GPIO_PORT, UART_TX_PIN | UART_RX_PIN, &gpio_config);
}
hal_uart_config_t uart_config;
HAL_UART_Init(&hUSART, UARTn);
uart_config.baud_rate = 115200;
uart_config.clock_prescaler = HAL_UART_PRESCALER_DIV1;
uart_config.word_length = HAL_UART_WORD_LENGTH_8_BIT;
uart_config.stop_bits = HAL_UART_STOP_BIT_1;
uart_config.parity = HAL_UART_PARITY_NONE;
uart_config.direction = HAL_UART_DIRECTION_TX_RX;
uart_config.hw_flow_ctl = HAL_UART_HW_CONTROL_NONE;
uart_config.oversampling = HAL_UART_OVERSAMPLING_16;
uart_config.one_bit_sampling = HAL_UART_ONE_BIT_SAMPLE_DISABLE;
HAL_UART_SetConfig(&hUSART, &uart_config);
/* Fifo configuration */
HAL_UART_SetTxFifoThreshold(&hUSART, HAL_UART_FIFO_THRESHOLD_1_8);
HAL_UART_SetRxFifoThreshold(&hUSART, HAL_UART_FIFO_THRESHOLD_1_8);
HAL_UART_EnableFifoMode(&hUSART);
LL_USART_Enable(UART_GET_INSTANCE(&hUSART));
LL_USART_ConfigAsyncMode(UARTn);
uint32_t reg_temp = (LL_USART_DATAWIDTH_8_BIT | LL_USART_PARITY_NONE
| LL_USART_DIRECTION_TX_RX | LL_USART_OVERSAMPLING_16);
LL_USART_ConfigXfer(UARTn, reg_temp, LL_USART_STOP_BIT_1);
LL_USART_SetBaudRate(UARTn, SystemCoreClock, LL_USART_PRESCALER_DIV1, LL_USART_OVERSAMPLING_16,
115200);
LL_USART_EnableFIFO(UARTn);
LL_USART_Enable(UARTn);
#endif
}
static void mpu_init(void)
{
/* Disables the MPU */
HAL_CORTEX_MPU_Disable();
/*
Initializes and configures the MPU attributes
*/
HAL_CORTEX_MPU_SetCacheMemAttr(HAL_CORTEX_MPU_MEM_ATTR_0, HAL_CORTEX_MPU_NORMAL_MEM_NCACHEABLE);
/*
Initializes and configures the MPU Region
*/
hal_cortex_mpu_region_config_t p_region_config = {0};
p_region_config.base_addr = 0x8FFE000;
p_region_config.limit_addr = 0x8FFFFFF;
p_region_config.access_attr = HAL_CORTEX_MPU_REGION_ALL_RO;
p_region_config.exec_attr = HAL_CORTEX_MPU_EXECUTION_ATTR_DISABLE;
p_region_config.attr_idx = HAL_CORTEX_MPU_MEM_ATTR_0;
HAL_CORTEX_MPU_SetConfigRegion(HAL_CORTEX_MPU_REGION_0, &p_region_config);
HAL_CORTEX_MPU_EnableRegion(HAL_CORTEX_MPU_REGION_0);
/* Enables the MPU */
HAL_CORTEX_MPU_Enable(HAL_CORTEX_MPU_HARDFAULT_NMI_DISABLE, HAL_CORTEX_MPU_ACCESS_FAULT_ONLY_PRIV);
}
//--------------------------------------------------------------------+
// Board porting API
//--------------------------------------------------------------------+
@ -170,8 +183,8 @@ int board_uart_read(uint8_t *buf, int len) {
#ifdef UART_ID
int count = 0;
while (count < len) {
if (LL_USART_IsActiveFlag_RXNE_RXFNE(UART_GET_INSTANCE(&hUSART))) {
buf[count] = (uint8_t) UART_GET_INSTANCE(&hUSART)->RDR;
if (LL_USART_IsActiveFlag_RXNE_RXFNE(UARTn)) {
buf[count] = LL_USART_ReceiveData8(UARTn);
count++;
} else {
break;
@ -189,8 +202,8 @@ int board_uart_write(void const *buf, int len) {
const uint8_t *p = (const uint8_t *) buf;
int count = 0;
while (count < len) {
if (LL_USART_IsActiveFlag_TXE_TXFNF(UART_GET_INSTANCE(&hUSART))) {
UART_GET_INSTANCE(&hUSART)->TDR = p[count];
if (LL_USART_IsActiveFlag_TXE_TXFNF(UARTn)) {
LL_USART_TransmitData8(UARTn, p[count]);
count++;
} else {
break;