dc31-addon-addon-badge-firm.../bootloader_hk32f030m_uart_x.../driver/Debug/uart_printf.c

116 lines
3.4 KiB
C

#include "uart_printf.h"
#define UART_PRINTF_BAUDRATE 115200
uint8_t HEX_TABLE[16] = { '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
void UART_PrintfInit(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
#if UART_PORTx == UART_PORT_TX_A3_RX_D6
// Enable GPIO and UART clock
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOD, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
// AF config
GPIO_PinAFConfig(GPIOA, GPIO_PinSource3, GPIO_AF_1);
GPIO_PinAFConfig(GPIOD, GPIO_PinSource6, GPIO_AF_1);
// PA3 As USART TX
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &GPIO_InitStructure);
// PD6 As USART RX
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_Init(GPIOD, &GPIO_InitStructure);
#elif UART_PORTx == UART_PORT_TX_A3_RX_B4
// Enable GPIO and UART clock
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
// AF config
GPIO_PinAFConfig(GPIOA, GPIO_PinSource3, GPIO_AF_1); // TX
GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_4); // RX
// PA3 As USART TX
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &GPIO_InitStructure);
// PB4 As USART RX
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
GPIO_Init(GPIOB, &GPIO_InitStructure);
#endif
USART_InitStructure.USART_BaudRate = UART_PRINTF_BAUDRATE;
// 8-bit, 1 stop bit, no parity, no hardware flow control
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
// Enable Tx
USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx;
// Init and enable UART1
USART_Init(USART1, &USART_InitStructure);
USART_Cmd(USART1, ENABLE);
}
void UART_SendByte(uint8_t ch)
{
/* Send one byte to USART */
USART_SendData(USART1, ch);
/* Block till tx empty flag is set */
while (USART_GetFlagStatus(USART1, USART_FLAG_TXE) == RESET);
}
void UART_SendArray(uint8_t *array, uint16_t num)
{
uint8_t i;
for (i = 0; i < num; i++)
{
UART_SendByte(array[i]);
}
/* Block till transmission is completed */
while(USART_GetFlagStatus(USART1, USART_FLAG_TC)==RESET);
}
void UART_SendString(char *str)
{
while (*str)
{
UART_SendByte(*str++);
}
/* Block till transmission is completed */
while (USART_GetFlagStatus(USART1,USART_FLAG_TC)==RESET);
}
void UART_TxHex(uint8_t *hex, uint8_t len)
{
while (len--)
{
UART_SendByte(HEX_TABLE[*(hex + len) >> 4 & 0xF]);
UART_SendByte(HEX_TABLE[*(hex + len) & 0xF]);
}
}
int __io_putchar(int ch)
{
UART_SendByte((uint8_t)ch);
return ch;
}
__attribute__((weak)) int _write(int file, char *ptr, int len)
{
(void)file;
int DataIdx;
for (DataIdx = 0; DataIdx < len; DataIdx++)
{
__io_putchar(*ptr++);
}
return len;
}