void cs5463spi::spiInit() {
//Set generic spi parameters
spi::setSpiMaxSpeed(m_spiParams.MAX_FREQ);
spi::setSpiWrMode(m_spiParams.MODE_0);
spi::setSpiRdMode(m_spiParams.MODE_0);
spi::setBitOrder(m_spiParams.BIT_ORDER); //sets the bit order for CS5463
spi::setSpiBPW(m_spiParams.BPW);
//spi::spiInitBitOrder();
spi::spiInit();
//Set CS5463 running parameters (Init Serial Port)
SerialPortInit();
}
void UartConfig() {
SerialPortInit(&serialPort3, 3);
serialPort_t *s;
s = serialPort3;
serialPort3->thisUsart = USARTx;
USARTx_TX_GPIO_CLK_EN;
USARTx_RX_GPIO_CLK_EN;
USARTx_DMAx_CLK_EN;
USARTx_CLK_EN;
USARTx_DMAx_CLK_EN;
USARTx_TX_AFConfig;
USARTx_RX_AFConfig;
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_UP;
GPIO_InitStructure.GPIO_Pin = USARTx_TX_PIN;
GPIO_Init(USARTx_TX_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = USARTx_RX_PIN;
GPIO_Init(USARTx_RX_GPIO_PORT, &GPIO_InitStructure);
USART_InitStructure.USART_BaudRate = BAUD;
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_Init(USARTx, &USART_InitStructure);
DMA_DeInit(USARTx_TX_DMA_STREAM);
DMA_InitStructure.DMA_Channel = USARTx_TX_DMA_CHANNEL;
DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)(&(USARTx->DR));
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t) serialPort3->txBuf;
DMA_InitStructure.DMA_BufferSize = SERIAL_BUFSIZE;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Enable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_Full;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(USARTx_TX_DMA_STREAM, &DMA_InitStructure);
DMA_SetCurrDataCounter(USARTx_TX_DMA_STREAM, 0);
DMA_ITConfig(USARTx_TX_DMA_STREAM, DMA_IT_TC | DMA_IT_FE | DMA_IT_TE,
ENABLE);
USART_DMACmd(USARTx, USART_DMAReq_Tx, DISABLE);
DMA_Cmd(USARTx_TX_DMA_STREAM, DISABLE);
DMA_DeInit(USARTx_RX_DMA_STREAM);
DMA_InitStructure.DMA_Channel = USARTx_RX_DMA_CHANNEL;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t) & USARTx->DR;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t) s->rxBuf;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = SERIAL_BUFSIZE;
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_PeripheralDataSize_Byte;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(USARTx_RX_DMA_STREAM, &DMA_InitStructure);
DMA_ClearFlag(USARTx_RX_DMA_STREAM,
USARTx_RX_DMA_FLAG_TCIF | USARTx_RX_DMA_FLAG_HTIF
| USARTx_RX_DMA_FLAG_TEIF);
DMA_Cmd(USARTx_RX_DMA_STREAM, ENABLE);
USART_DMACmd(USARTx, USART_DMAReq_Rx, ENABLE);
NVIC_InitStructure.NVIC_IRQChannel = USARTx_DMA_TX_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable USART */
USART_Cmd(USARTx, ENABLE);
}
