void Hackerling_Shield::begin(uint8_t flags){
//Dependents:
//Serial
//io-expanders
mcp23017.begin(0);
mcp23008.begin(1);
initSwitches();
initButtons();
initBarGraph();
initAnalog();
speaker.begin();
// Buttons
// Bar Graph
// dip switch
if(!(flags & NO_LCD))
lcd.begin(16,2);
if(!(flags & NO_IR))
IR.begin();
}
void SPI_Config(void) {
GPIO_InitTypeDef structGPIO;
SPI_InitTypeDef structSPI;
DMA_InitTypeDef structDMA;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);
//configure GPIO
structGPIO.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6; //spi1
structGPIO.GPIO_Mode = GPIO_Mode_AF;
structGPIO.GPIO_Speed = GPIO_Speed_50MHz;
structGPIO.GPIO_OType = GPIO_OType_PP;
structGPIO.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(GPIOA, &structGPIO);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource4, GPIO_AF_SPI1);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource5, GPIO_AF_SPI1);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource6, GPIO_AF_SPI1);
structGPIO.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15; //spi2
GPIO_Init(GPIOB, &structGPIO);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource5, GPIO_AF_SPI1);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource12, GPIO_AF_SPI2);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource13, GPIO_AF_SPI2);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource14, GPIO_AF_SPI2);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource15, GPIO_AF_SPI2);
//init spi
SPI_StructInit(&structSPI);
structSPI.SPI_Direction = SPI_Direction_1Line_Rx;
structSPI.SPI_Mode = SPI_Mode_Slave;
structSPI.SPI_DataSize = SPI_DataSize_16b;
SPI_Init(SPI1, &structSPI);
SPI_Init(SPI2, &structSPI);
SPI_Cmd(SPI1, ENABLE);
SPI_Cmd(SPI2, ENABLE);
//init DMA
SPI_I2S_DMACmd(SPI1, SPI_I2S_DMAReq_Rx, ENABLE);
structDMA.DMA_Channel = DMA_Channel_3;
structDMA.DMA_PeripheralBaseAddr = SPI1_ADDR;
structDMA.DMA_Memory0BaseAddr = (uint32_t)getAnalogBuf(0);
structDMA.DMA_DIR = DMA_DIR_PeripheralToMemory;
structDMA.DMA_BufferSize = SIZE_BUF * 2;
structDMA.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
structDMA.DMA_MemoryInc = DMA_MemoryInc_Enable;
structDMA.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
structDMA.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
structDMA.DMA_Mode = DMA_Mode_Circular;
structDMA.DMA_Priority = DMA_Priority_VeryHigh;
structDMA.DMA_FIFOMode = DMA_FIFOMode_Enable;
structDMA.DMA_FIFOThreshold = DMA_FIFOThreshold_1QuarterFull;
structDMA.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream0, &structDMA);
structDMA.DMA_Channel = DMA_Channel_0;
structDMA.DMA_PeripheralBaseAddr = SPI2_ADDR;
structDMA.DMA_Memory0BaseAddr = (uint32_t)getAnalogBuf(1);
DMA_Init(DMA1_Stream3, &structDMA);
//init DMA interrupt
DMA_ITConfig(DMA2_Stream0, DMA_IT_TC, ENABLE);
NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
DMA_ITConfig(DMA1_Stream3, DMA_IT_TC, ENABLE);
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Stream3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_Init(&NVIC_InitStructure);
//enable DMA
DMA_Cmd(DMA2_Stream0, ENABLE);
DMA_Cmd(DMA1_Stream3, ENABLE);
//initialize the analog part
initAnalog();
}
