electronic_load/uart.h at master · dev26th/electronic_load · GitHub

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#ifndef _UART_H_
#define _UART_H_

#include <stdint.h>
#include <stdbool.h>

#include "stm8.h"
#include "settings.h"

#define UART_RXBUF_SIZE 250

const uint8_t* UART_getRx(uint8_t* size);
bool UART_hasChecksum(void);
void UART_rxDone(void);
void UART_process(void);

inline void UART_init(void) {
    UART2->BRR2 = (((CPU_F + BAUD/2) / BAUD) & 0x000F) | ((((CPU_F + BAUD/2) / BAUD) & 0xF000) >> 8);
    UART2->BRR1 = (((CPU_F + BAUD/2) / BAUD) & 0x0FF0) >> 4;
    UART2->CR2 = UART_CR2_TEN | UART_CR2_REN | UART_CR2_RIEN;
}

inline void UART_send(uint8_t v) {
    while(!(UART2->SR & UART_SR_TXE));
    UART2->DR = v;
}

void UART_write(const char *str);

void UART_writeHexU8(uint8_t v);

void UART_writeHexU16(uint16_t v);

void UART_writeHexU32(uint32_t v);

void UART_writeDecU16(uint16_t v);

void UART_writeDecU32(uint32_t v);

void UART_writeDecU64(uint64_t v, uint8_t n);

void UART_UART2_rx(void) __interrupt(IRQN_UART2_RX);

#endif // _UART_H_