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Code Issues Releases Activity

Enable SPI port for revolution to overo communications

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This commit is contained in:
James Cotton 2012-02-02 01:42:38 -06:00
parent 7114b9a721
commit e434ab94a9
3 changed files with 134 additions and 1 deletions
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2
flight/Revolution/System/inc/pios_config.h
View File

@ -70,7 +70,7 @@
#define PIOS_INCLUDE_COM_TELEM
//#define PIOS_INCLUDE_COM_AUX
#define PIOS_INCLUDE_GPS
#define PIOS_OVERO_SPI
/* Supported receiver interfaces */
#define PIOS_INCLUDE_RCVR
#define PIOS_INCLUDE_DSM

7
flight/Revolution/System/pios_board.c
View File

@ -278,6 +278,13 @@ void PIOS_Board_Init(void) {
#endif
PIOS_FLASHFS_Init(&flashfs_m25p_cfg);
#if defined(PIOS_OVERO_SPI)
/* Set up the SPI interface to the gyro */
if (PIOS_SPI_Init(&pios_spi_overo_id, &pios_spi_overo_cfg)) {
PIOS_DEBUG_Assert(0);
}
#endif
/* Initialize UAVObject libraries */
EventDispatcherInitialize();
UAVObjInitialize();

126
flight/board_hw_defs/revolution/board_hw_defs.c
View File

@ -440,6 +440,132 @@ void PIOS_SPI_flash_irq_handler(void)
PIOS_SPI_IRQ_Handler(pios_spi_flash_id);
}
#endif /* PIOS_FLASH_ON_ACCEL */
#if defined(PIOS_OVERO_SPI)
/* SPI3 Interface
* - Used for flash communications
*/
void PIOS_SPI_overo_irq_handler(void);
void DMA1_Stream0_IRQHandler(void) __attribute__((alias("PIOS_SPI_overo_irq_handler")));
void DMA1_Stream2_IRQHandler(void) __attribute__((alias("PIOS_SPI_overo_irq_handler")));
static const struct pios_spi_cfg pios_spi_overo_cfg = {
.regs = SPI3,
.remap = GPIO_AF_SPI3,
.init = {
.SPI_Mode = SPI_Mode_Slave,
.SPI_Direction = SPI_Direction_2Lines_FullDuplex,
.SPI_DataSize = SPI_DataSize_8b,
.SPI_NSS = SPI_NSS_Hard,
.SPI_FirstBit = SPI_FirstBit_MSB,
.SPI_CRCPolynomial = 7,
.SPI_CPOL = SPI_CPOL_High,
.SPI_CPHA = SPI_CPHA_2Edge,
.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2,
},
.use_crc = false,
.dma = {
.irq = {
// Note this is the stream ID that triggers interrupts (in this case RX)
.flags = (DMA_IT_TCIF3 | DMA_IT_TEIF3 | DMA_IT_HTIF3),
.init = {
.NVIC_IRQChannel = DMA1_Stream0_IRQn,
.NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGH,
.NVIC_IRQChannelSubPriority = 0,
.NVIC_IRQChannelCmd = ENABLE,
},
},
.rx = {
.channel = DMA1_Stream0,
.init = {
.DMA_Channel = DMA_Channel_0,
.DMA_PeripheralBaseAddr = (uint32_t) & (SPI3->DR),
.DMA_DIR = DMA_DIR_PeripheralToMemory,
.DMA_PeripheralInc = DMA_PeripheralInc_Disable,
.DMA_MemoryInc = DMA_MemoryInc_Enable,
.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte,
.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte,
.DMA_Mode = DMA_Mode_Normal,
.DMA_Priority = DMA_Priority_Medium,
//TODO: Enable FIFO
.DMA_FIFOMode = DMA_FIFOMode_Disable,
.DMA_FIFOThreshold = DMA_FIFOThreshold_Full,
.DMA_MemoryBurst = DMA_MemoryBurst_Single,
.DMA_PeripheralBurst = DMA_PeripheralBurst_Single,
},
},
.tx = {
.channel = DMA1_Stream2,
.init = {
.DMA_Channel = DMA_Channel_0,
.DMA_PeripheralBaseAddr = (uint32_t) & (SPI3->DR),
.DMA_DIR = DMA_DIR_MemoryToPeripheral,
.DMA_PeripheralInc = DMA_PeripheralInc_Disable,
.DMA_MemoryInc = DMA_MemoryInc_Enable,
.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte,
.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte,
.DMA_Mode = DMA_Mode_Normal,
.DMA_Priority = DMA_Priority_Medium,
.DMA_FIFOMode = DMA_FIFOMode_Disable,
.DMA_FIFOThreshold = DMA_FIFOThreshold_Full,
.DMA_MemoryBurst = DMA_MemoryBurst_Single,
.DMA_PeripheralBurst = DMA_PeripheralBurst_Single,
},
},
},
.sclk = {
.gpio = GPIOC,
.init = {
.GPIO_Pin = GPIO_Pin_10,
.GPIO_Speed = GPIO_Speed_100MHz,
.GPIO_Mode = GPIO_Mode_AF,
.GPIO_OType = GPIO_OType_PP,
.GPIO_PuPd = GPIO_PuPd_NOPULL
},
},
.miso = {
.gpio = GPIOC,
.init = {
.GPIO_Pin = GPIO_Pin_11,
.GPIO_Speed = GPIO_Speed_50MHz,
.GPIO_Mode = GPIO_Mode_AF,
.GPIO_OType = GPIO_OType_PP,
.GPIO_PuPd = GPIO_PuPd_NOPULL
},
},
.mosi = {
.gpio = GPIOC,
.init = {
.GPIO_Pin = GPIO_Pin_12,
.GPIO_Speed = GPIO_Speed_50MHz,
.GPIO_Mode = GPIO_Mode_AF,
.GPIO_OType = GPIO_OType_PP,
.GPIO_PuPd = GPIO_PuPd_NOPULL
},
},
.slave_count = 1,
.ssel = { {
.gpio = GPIOA,
.init = {
.GPIO_Pin = GPIO_Pin_15,
.GPIO_Speed = GPIO_Speed_50MHz,
.GPIO_Mode = GPIO_Mode_OUT,
.GPIO_OType = GPIO_OType_PP,
.GPIO_PuPd = GPIO_PuPd_UP
},
} },
};
uint32_t pios_spi_overo_id;
void PIOS_SPI_overo_irq_handler(void)
{
/* Call into the generic code to handle the IRQ for this specific device */
PIOS_SPI_IRQ_Handler(pios_spi_overo_id);
}
#else
uint32_t pios_spi_overo_id = 0;
#endif /* PIOS_OVERO_SPI */
#endif /* PIOS_INCLUDE_SPI */