void usbInit(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = USB_DISCONNECT_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(USB_DISCONNECT_GPIO, &GPIO_InitStructure);
GPIO_ResetBits(USB_DISCONNECT_GPIO, USB_DISCONNECT_PIN);
delay(200);
GPIO_SetBits(USB_DISCONNECT_GPIO, USB_DISCONNECT_PIN);
USBD_Init(&USB_OTG_dev, USB_OTG_FS_CORE_ID, &USR_desc, &USBD_CDC_cb, &USR_cb);
evrRegisterListener(usbListenerCB);
}
void telemetryInit(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
GPIO_PinAFConfig(UART1_GPIO, UART1_TX_PINSOURCE, GPIO_AF_USART1);
GPIO_PinAFConfig(UART1_GPIO, UART1_RX_PINSOURCE, GPIO_AF_USART1);
GPIO_InitStructure.GPIO_Pin = UART1_TX_PIN | UART1_RX_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(UART1_GPIO, &GPIO_InitStructure);
// DMA TX Interrupt
NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream7_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_Init(USART1, &USART_InitStructure);
// Receive DMA into a circular buffer
DMA_DeInit(DMA2_Stream5);
DMA_InitStructure.DMA_Channel = DMA_Channel_4;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&USART1->DR;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)rx1Buffer;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = UART1_BUFFER_SIZE;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_1QuarterFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream5, &DMA_InitStructure);
DMA_Cmd(DMA2_Stream5, ENABLE);
USART_DMACmd(USART1, USART_DMAReq_Rx, ENABLE);
rx1DMAPos = DMA_GetCurrDataCounter(DMA2_Stream5);
// Transmit DMA
DMA_DeInit(DMA2_Stream7);
//DMA_InitStructure.DMA_Channel = DMA_Channel_4;
//DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&USART1->DR;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)tx1Buffer;
DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral;
//DMA_InitStructure.DMA_BufferSize = UART_BUFFER_SIZE;
//DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
//DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
//DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
//DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
//DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
//DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
//DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_1QuarterFull;
//DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
//DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream7, &DMA_InitStructure);
DMA_SetCurrDataCounter(DMA2_Stream7, 0);
DMA_ITConfig(DMA2_Stream7, DMA_IT_TC, ENABLE);
USART_DMACmd(USART1, USART_DMAReq_Tx, ENABLE);
USART_Cmd(USART1, ENABLE);
evrRegisterListener(telemetryListenerCB);
}