Files
TencentOS-tiny/platform/hal/st/stm32h7xx/src/tos_hal_uart.c
2021-04-25 16:38:56 +08:00

106 lines
2.4 KiB
C

#include "tos_k.h"
#include "tos_hal.h"
#include "stm32h7xx_hal.h"
#include "usart.h"
__API__ int tos_hal_uart_init(hal_uart_t *uart, hal_uart_port_t port)
{
if (!uart) {
return -1;
}
if (port == HAL_UART_PORT_0) {
// uart->private_uart = &hlpuart1;
// MX_LPUART1_UART_Init();
} else if (port == HAL_UART_PORT_1) {
// uart->private_uart = &huart1;
// MX_USART1_UART_Init();
} else if (port == HAL_UART_PORT_2) {
uart->private_uart = &huart2;
MX_USART2_UART_Init();
} else if (port == HAL_UART_PORT_3) {
// uart->private_uart = &huart3;
// MX_USART3_UART_Init();
} else if (port == HAL_UART_PORT_4) {
uart->private_uart = &huart4;
MX_UART4_Init();
} else if (port == HAL_UART_PORT_5) {
uart->private_uart = &huart5;
MX_UART5_Init();
} else if (port == HAL_UART_PORT_6) {
uart->private_uart = &huart6;
MX_USART6_UART_Init();
}
return 0;
}
__API__ int tos_hal_uart_write(hal_uart_t *uart, const uint8_t *buf, size_t size, uint32_t timeout)
{
HAL_StatusTypeDef hal_status;
UART_HandleTypeDef *uart_handle;
if (!uart || !buf) {
return -1;
}
if (!uart->private_uart) {
return -1;
}
uart_handle = (UART_HandleTypeDef *)uart->private_uart;
hal_status = HAL_UART_Transmit(uart_handle, (uint8_t *)buf, size, timeout);
if (hal_status != HAL_OK) {
return -1;
}
return 0;
}
__API__ int tos_hal_uart_read(hal_uart_t *uart, const uint8_t *buf, size_t size, uint32_t timeout)
{
HAL_StatusTypeDef hal_status;
UART_HandleTypeDef *uart_handle;
if (!uart || !buf) {
return -1;
}
if (!uart->private_uart) {
return -1;
}
uart_handle = (UART_HandleTypeDef *)uart->private_uart;
hal_status = HAL_UART_Receive(uart_handle, (uint8_t *)buf, size, timeout);
if (hal_status != HAL_OK) {
return -1;
}
return 0;
}
__API__ int tos_hal_uart_deinit(hal_uart_t *uart)
{
HAL_StatusTypeDef hal_status;
UART_HandleTypeDef *uart_handle;
if (!uart) {
return -1;
}
if (!uart->private_uart) {
return -1;
}
uart_handle = (UART_HandleTypeDef *)uart->private_uart;
hal_status = HAL_UART_DeInit(uart_handle);
HAL_UART_MspDeInit(uart_handle);
if (hal_status != HAL_OK) {
return -1;
}
return 0;
}