| | |
| | | #include "Usart.h" |
| | | |
| | | //void Usart_Init(void) |
| | | //{ |
| | | // USART_InitTypeDef USART_InitStructure; |
| | | // GPIO_InitTypeDef GPIO_InitStructure; |
| | | // |
| | | // /* Enable GPIO clock */ |
| | | // RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_AFIO, ENABLE); |
| | | // /* Enable USART clock */ |
| | | // RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE); |
| | | // |
| | | // /* Configure USART Tx as alternate function push-pull */ |
| | | // GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; |
| | | // GPIO_InitStructure.GPIO_Pin = USART_TX_pin; |
| | | // GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; |
| | | // GPIO_Init(USART_GPIO, &GPIO_InitStructure); |
| | | |
| | | // /* Configure USART Rx as input floating */ |
| | | // GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; |
| | | // GPIO_InitStructure.GPIO_Pin = USART_RX_pin; |
| | | // GPIO_Init(USART_GPIO, &GPIO_InitStructure); |
| | | |
| | | // /* USARTx configured as follow: |
| | | // - BaudRate = 115200 baud |
| | | // - Word Length = 8 Bits |
| | | // - One Stop Bit |
| | | // - No parity |
| | | // - Hardware flow control disabled (RTS and CTS signals) |
| | | // - Receive and transmit enabled |
| | | // */ |
| | | // USART_InitStructure.USART_BaudRate = BAUD_RATE ; |
| | | // 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; |
| | | // USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; |
| | | |
| | | // /* USART configuration */ |
| | | // USART_Init(EXT_USART, &USART_InitStructure); |
| | | |
| | | // /* Enable USART */ |
| | | // USART_Cmd(EXT_USART, ENABLE); |
| | | |
| | | //} |
| | | |
| | | //uint16_t Checksum_u16(uint8_t *pdata, uint32_t len) |
| | | //{ |
| | | // uint16_t sum = 0; |
| | | // uint32_t i; |
| | | // for(i = 0; i < len; i++) |
| | | // sum += pdata[i]; |
| | | // sum = ~sum; |
| | | // return sum; |
| | | //} |
| | | |
| | | |
| | | |
| | | /////////////////////////////////// |
| | | #include <string.h> |
| | | #include <stdio.h> |
| | | |
| | | //æ°æ®åééååé |
| | | EUART_Frame m_EUART_TxFrames[EUART_TX_FRM_SIZE]; //æ°æ®åé帧éå |
| | |
| | | m_EUART_TxFrm_FreeFrmLen++; |
| | | } |
| | | |
| | | int fputc(int ch, FILE *f) |
| | | { |
| | | |
| | | USART_SendData(USART1, (unsigned char) ch);// USART1 ???? USART2 ? |
| | | while (!(USART1->SR & USART_FLAG_TXE)); |
| | | return (ch); |
| | | } |
| | | |