55 lines
1.1 KiB
C
55 lines
1.1 KiB
C
#include <stdint.h>
|
|
#include <stddef.h>
|
|
|
|
#ifndef UART_UART_H_
|
|
#define UART_UART_H_
|
|
|
|
#define UART_RECEIVE_DMA_STREAM DMA2_Stream5
|
|
|
|
#define UART_SEND_DMA_STREAM DMA2_Stream7
|
|
|
|
#define UART_PERIPH USART1
|
|
#define UART_RCC_MASK RCC_APB2ENR_USART1EN
|
|
|
|
#ifdef DEBUGBUILD
|
|
|
|
#define UART_PORT GPIOA
|
|
#define UART_PORT_RCC_MASK RCC_AHB1ENR_GPIOAEN
|
|
#define UART_RX_PIN 10
|
|
#define UART_TX_PIN 9
|
|
#define UART_RX_PIN_ALTFUNC 7
|
|
#define UART_TX_PIN_ALTFUNC 7
|
|
#else
|
|
|
|
#endif
|
|
|
|
/* UART_DIV is 45.5625 => 115200 @ 84 MHz */
|
|
#define UART_DIV_FRACTION 9U /* Equals 9/16 = 0.5625 */
|
|
#define UART_DIV_MANTISSA 45U /* Equals 45 */
|
|
|
|
#define UART_BRR_REG_VALUE ((UART_DIV_MANTISSA<<4) | UART_DIV_FRACTION);
|
|
|
|
void initUART();
|
|
void sendChar(char c);
|
|
void sendString(char* s, int count);
|
|
|
|
|
|
void uart_init_with_dma();
|
|
|
|
void uart_disable();
|
|
|
|
void uart_send_char(char c);
|
|
|
|
void uart_send_array(const char *data, uint32_t len);
|
|
|
|
void uart_send_string(const char *string);
|
|
|
|
void uart_send_array_with_dma(const char *data, uint32_t len);
|
|
|
|
void uart_send_string_with_dma(const char *string);
|
|
|
|
int uart_receive_data_with_dma(const char **data, size_t *len);
|
|
|
|
|
|
#endif /* UART_UART_H_ */
|