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boards/stm32f4discovery: adapted to UART changes

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This commit is contained in:
Hauke Petersen 2015-10-20 12:41:48 +02:00
parent a2247a3400
commit f3b0684af6
2 changed files with 37 additions and 33 deletions
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2
boards/stm32f4discovery/include/board.h
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@ -47,7 +47,7 @@ extern "C" {
* @name Define UART device and baudrate for stdio
* @{
*/
#define STDIO UART_0
#define STDIO UART_DEV(0)
#define STDIO_BAUDRATE (115200U)
#define STDIO_RX_BUFSIZE (64U)
/** @} */

68
boards/stm32f4discovery/include/periph_conf.h
View File

@ -20,6 +20,8 @@
#ifndef PERIPH_CONF_H_
#define PERIPH_CONF_H_
#include "periph_cpu.h"
#ifdef __cplusplus
extern "C" {
#endif
@ -40,6 +42,11 @@ extern "C" {
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV2
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV4
#define CLOCK_FLASH_LATENCY FLASH_ACR_LATENCY_5WS
/* bus clocks for simplified peripheral initialization, UPDATE MANUALLY! */
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB2 (CLOCK_CORECLOCK / 2)
#define CLOCK_APB1 (CLOCK_CORECLOCK / 4)
/** @} */
/**
@ -74,41 +81,38 @@ extern "C" {
* @name UART configuration
* @{
*/
#define UART_NUMOF (2U)
#define UART_0_EN 1
#define UART_1_EN 1
#define UART_IRQ_PRIO 1
#define UART_CLK (14000000U) /* UART clock runs with 14MHz */
static const uart_conf_t uart_config[] = {
/* device, RCC mask, RX pin, TX pin, pin AF, IRQ channel, DMA stream, DMA */
{
USART2, /* device base register */
RCC_APB1ENR_USART2EN, /* RCC mask */
GPIO_PIN(PORT_A,3), /* RX pin */
GPIO_PIN(PORT_A,2), /* TX pin */
GPIO_AF7, /* pin AF */
USART2_IRQn, /* IRQ channel */
6, /* DMA stream */
4 /* DMA channel */
},
{
USART3, /* device base register */
RCC_APB1ENR_USART3EN, /* RCC mask */
GPIO_PIN(PORT_D,9), /* RX pin */
GPIO_PIN(PORT_D,8), /* TX pin */
GPIO_AF7, /* pin AF */
USART3_IRQn, /* IRQ channel */
3, /* DMA stream */
4 /* DMA channel */
},
};
/* UART 0 device configuration */
#define UART_0_DEV USART2
#define UART_0_CLKEN() (RCC->APB1ENR |= RCC_APB1ENR_USART2EN)
#define UART_0_CLKDIS() (RCC->APB1ENR &= ~(RCC_APB1ENR_USART2EN))
#define UART_0_CLK (42000000) /* UART clock runs with 42MHz (F_CPU / 4) */
#define UART_0_IRQ_CHAN USART2_IRQn
/* assign ISR vector names */
#define UART_0_ISR isr_usart2
/* UART 0 pin configuration */
#define UART_0_PORT_CLKEN() (RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN)
#define UART_0_PORT GPIOA
#define UART_0_TX_PIN 2
#define UART_0_RX_PIN 3
#define UART_0_AF 7
/* UART 1 device configuration */
#define UART_1_DEV USART3
#define UART_1_CLKEN() (RCC->APB1ENR |= RCC_APB1ENR_USART3EN)
#define UART_1_CLKDIS() (RCC->APB1ENR &= ~(RCC_APB1ENR_USART3EN))
#define UART_1_CLK (42000000) /* UART clock runs with 42MHz (F_CPU / 4) */
#define UART_1_IRQ_CHAN USART3_IRQn
#define UART_0_DMA_ISR isr_dma1_stream6
#define UART_1_ISR isr_usart3
/* UART 1 pin configuration */
#define UART_1_PORT_CLKEN() (RCC->AHB1ENR |= RCC_AHB1ENR_GPIODEN)
#define UART_1_PORT GPIOD
#define UART_1_TX_PIN 8
#define UART_1_RX_PIN 9
#define UART_1_AF 7
#define UART_1_DMA_ISR isr_dma1_stream3
/* deduct number of defined UART interfaces */
#define UART_NUMOF (sizeof(uart_config) / sizeof(uart_config[0]))
/** @} */
/**