void MX_USART1_UART_Init(void)
{
huart1.Instance = USART1;
huart1.Init.BaudRate = 38400;
huart1.Init.WordLength = UART_WORDLENGTH_7B;
huart1.Init.StopBits = UART_STOPBITS_1;
huart1.Init.Parity = UART_PARITY_NONE;
huart1.Init.Mode = UART_MODE_TX_RX;
huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart1.Init.OverSampling = UART_OVERSAMPLING_16;
huart1.Init.OneBitSampling = UART_ONEBIT_SAMPLING_DISABLED ;
huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
HAL_RS485Ex_Init(&huart1, UART_DE_POLARITY_HIGH, 0, 0);
}
/**
* @brief CDC_Control_FS
* Manage the CDC class requests
* @param cmd: Command code
* @param pbuf: Buffer containing command data (request parameters)
* @param length: Number of data to be sent (in bytes)
* @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
*/
static int8_t CDC_Control_FS (uint8_t cmd, uint8_t* pbuf, uint16_t length)
{
/* USER CODE BEGIN 5 */
switch (cmd)
{
case CDC_SEND_ENCAPSULATED_COMMAND:
break;
case CDC_GET_ENCAPSULATED_RESPONSE:
break;
case CDC_SET_COMM_FEATURE:
break;
case CDC_GET_COMM_FEATURE:
break;
case CDC_CLEAR_COMM_FEATURE:
break;
/*******************************************************************************/
/* Line Coding Structure */
/*-----------------------------------------------------------------------------*/
/* Offset | Field | Size | Value | Description */
/* 0 | dwDTERate | 4 | Number |Data terminal rate, in bits per second*/
/* 4 | bCharFormat | 1 | Number | Stop bits */
/* 0 - 1 Stop bit */
/* 1 - 1.5 Stop bits */
/* 2 - 2 Stop bits */
/* 5 | bParityType | 1 | Number | Parity */
/* 0 - None */
/* 1 - Odd */
/* 2 - Even */
/* 3 - Mark */
/* 4 - Space */
/* 6 | bDataBits | 1 | Number Data bits (5, 6, 7, 8 or 16). */
/*******************************************************************************/
case CDC_SET_LINE_CODING:
linecoding.bitrate = (uint32_t)(pbuf[0] | (pbuf[1] << 8) | (pbuf[2] << 16) | (pbuf[3] << 24));
linecoding.format = pbuf[4];
linecoding.paritytype = pbuf[5];
linecoding.datatype = pbuf[6];
huart2.Init.BaudRate = linecoding.bitrate;
switch (linecoding.format)
{
case 0 : huart2.Init.StopBits = UART_STOPBITS_1; break;
case 1 : huart2.Init.StopBits = UART_STOPBITS_1_5; break;
case 2 : huart2.Init.StopBits = UART_STOPBITS_2; break;
}
switch (linecoding.paritytype)
{
case 0 : huart2.Init.Parity = UART_PARITY_NONE; break;
case 1 : huart2.Init.Parity = UART_PARITY_ODD; break;
case 2 : huart2.Init.Parity = UART_PARITY_EVEN; break;
}
//UART_WORDLENGTH_7B
switch (linecoding.datatype)
{
case 7 : huart2.Init.WordLength = UART_WORDLENGTH_7B; break;
case 8 : huart2.Init.WordLength = UART_WORDLENGTH_8B; break;
}
HAL_RS485Ex_Init(&huart2, UART_DE_POLARITY_HIGH, 0, 0);
break;
case CDC_GET_LINE_CODING:
pbuf[0] = (uint8_t)(linecoding.bitrate);
pbuf[1] = (uint8_t)(linecoding.bitrate >> 8);
pbuf[2] = (uint8_t)(linecoding.bitrate >> 16);
pbuf[3] = (uint8_t)(linecoding.bitrate >> 24);
pbuf[4] = linecoding.format;
pbuf[5] = linecoding.paritytype;
pbuf[6] = linecoding.datatype;
break;
case CDC_SET_CONTROL_LINE_STATE:
break;
case CDC_SEND_BREAK:
break;
default:
break;
}
return (USBD_OK);
/* USER CODE END 5 */
}