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Enable UART debugging on F070.

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This commit is contained in:
Nathan Conrad 2019-11-03 09:54:02 -05:00
parent d35f86993f
commit 5839159742
2 changed files with 42 additions and 6 deletions
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44
hw/bsp/stm32f070rbnucleo/stm32f070rbnucleo.c
View File

@ -37,6 +37,24 @@
#define BUTTON_PIN GPIO_PIN_13
#define BUTTON_STATE_ACTIVE 0
#define UARTx USART2
#define UART_GPIO_PORT GPIOA
#define UART_GPIO_AF GPIO_AF1_USART2
#define UART_TX_PIN GPIO_PIN_2
#define UART_RX_PIN GPIO_PIN_3
UART_HandleTypeDef UartHandle;
// enable all LED, Button, Uart, USB clock
static void all_rcc_clk_enable(void)
{
__HAL_RCC_GPIOA_CLK_ENABLE(); // USB D+, D-
__HAL_RCC_GPIOC_CLK_ENABLE(); // LED
//__HAL_RCC_GPIOA_CLK_ENABLE(); // Button
//__HAL_RCC_GPIOA_CLK_ENABLE(); // Uart tx, rx
__HAL_RCC_USART2_CLK_ENABLE(); // Uart module
}
void board_init(void)
{
#if CFG_TUSB_OS == OPT_OS_NONE
@ -74,8 +92,9 @@ void board_init(void)
// Notify runtime of frequency change.
SystemCoreClockUpdate();
all_rcc_clk_enable();
// LED
__HAL_RCC_GPIOA_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = LED_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
@ -84,13 +103,30 @@ void board_init(void)
HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct);
// Button
__HAL_RCC_GPIOC_CLK_ENABLE();
GPIO_InitStruct.Pin = BUTTON_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct);
// Uart
GPIO_InitStruct.Pin = UART_TX_PIN | UART_RX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Alternate = UART_GPIO_AF;
HAL_GPIO_Init(UART_GPIO_PORT, &GPIO_InitStruct);
UartHandle.Instance = UARTx;
UartHandle.Init.BaudRate = CFG_BOARD_UART_BAUDRATE;
UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
UartHandle.Init.StopBits = UART_STOPBITS_1;
UartHandle.Init.Parity = UART_PARITY_NONE;
UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
UartHandle.Init.Mode = UART_MODE_TX_RX;
UartHandle.Init.OverSampling = UART_OVERSAMPLING_16;
HAL_UART_Init(&UartHandle);
// Start USB clock
__HAL_RCC_USB_CLK_ENABLE();
}
@ -117,8 +153,8 @@ int board_uart_read(uint8_t* buf, int len)
int board_uart_write(void const * buf, int len)
{
(void) buf; (void) len;
return 0;
HAL_UART_Transmit(&UartHandle, (uint8_t*) buf, len, 0xffff);
return len;
}
#if CFG_TUSB_OS == OPT_OS_NONE

4
hw/bsp/stm32f070rbnucleo/stm32f0xx_hal_conf.h
View File

@ -66,8 +66,8 @@
/*#define HAL_RTC_MODULE_ENABLED */
/*#define HAL_SPI_MODULE_ENABLED */
/*#define HAL_TIM_MODULE_ENABLED */
/*#define HAL_UART_MODULE_ENABLED */
#define HAL_USART_MODULE_ENABLED
#define HAL_UART_MODULE_ENABLED
/*#define HAL_USART_MODULE_ENABLED */
/*#define HAL_IRDA_MODULE_ENABLED */
/*#define HAL_SMARTCARD_MODULE_ENABLED */
/*#define HAL_SMBUS_MODULE_ENABLED */