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mirror of https://bitbucket.org/librepilot/librepilot.git synced 2025-01-30 15:52:12 +01:00

OP-1477 - Add SPI Support

This commit is contained in:
Alessio Morale 2014-09-07 22:35:16 +02:00
parent 46424523b0
commit c28eb4fbca
3 changed files with 32 additions and 45 deletions

View File

@ -82,38 +82,33 @@ const struct pios_gpio_cfg *PIOS_BOARD_HW_DEFS_GetLedCfg(__attribute__((unused))
#include <pios_spi_priv.h>
/* Gyro interface */
/* Flash/Accel Interface
*
* NOTE: Leave this declared as const data so that it ends up in the
* .rodata section (ie. Flash) rather than in the .bss section (RAM).
*/
void PIOS_SPI_flash_irq_handler(void);
void DMA1_Channel2_IRQHandler() __attribute__((alias("PIOS_SPI_flash_irq_handler")));
void DMA1_Channel3_IRQHandler() __attribute__((alias("PIOS_SPI_flash_irq_handler")));
static const struct pios_spi_cfg pios_spi_flash_cfg_gpsp = {
void PIOS_SPI_mag_flash_irq_handler(void);
void DMA1_Channel2_3_IRQHandler() __attribute__((alias("PIOS_SPI_mag_flash_irq_handler")));
static uint32_t pios_spi_mag_flash_id;
static const struct pios_spi_cfg pios_spi_mag_flash_cfg = {
.remap = GPIO_AF_0,
.regs = SPI1,
.init = {
.SPI_Mode = SPI_Mode_Master,
.SPI_Direction = SPI_Direction_2Lines_FullDuplex,
.SPI_DataSize = SPI_DataSize_8b,
.SPI_NSS = SPI_NSS_Soft,
.SPI_NSS = SPI_NSS_Soft,
.SPI_FirstBit = SPI_FirstBit_MSB,
.SPI_CRCPolynomial = 7,
.SPI_CPOL = SPI_CPOL_High,
.SPI_CPHA = SPI_CPHA_2Edge,
.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8,
},
.use_crc = false,
.dma = {
.ahb_clk = RCC_AHBPeriph_DMA1,
.irq = {
.flags = (DMA1_FLAG_TC4 | DMA1_FLAG_TE4 | DMA1_FLAG_HT4 | DMA1_FLAG_GL4),
.flags = (DMA1_FLAG_TC2 | DMA1_FLAG_TE2 | DMA1_FLAG_HT2 | DMA1_FLAG_GL2),
.init = {
.NVIC_IRQChannel = DMA1_Channel2_3_IRQn,
.NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGH,
.NVIC_IRQChannelSubPriority = 0,
.NVIC_IRQChannelPriority = PIOS_IRQ_PRIO_MID,
.NVIC_IRQChannelCmd = ENABLE,
},
},
@ -128,7 +123,7 @@ static const struct pios_spi_cfg pios_spi_flash_cfg_gpsp = {
.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte,
.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte,
.DMA_Mode = DMA_Mode_Normal,
.DMA_Priority = DMA_Priority_High,
.DMA_Priority = DMA_Priority_Medium,
.DMA_M2M = DMA_M2M_Disable,
},
},
@ -142,17 +137,19 @@ static const struct pios_spi_cfg pios_spi_flash_cfg_gpsp = {
.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte,
.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte,
.DMA_Mode = DMA_Mode_Normal,
.DMA_Priority = DMA_Priority_High,
.DMA_Priority = DMA_Priority_Medium,
.DMA_M2M = DMA_M2M_Disable,
},
},
},
.use_crc = false,
.sclk = {
.gpio = GPIOA,
.init = {
.GPIO_Pin = GPIO_Pin_5,
.GPIO_Speed = GPIO_Speed_10MHz,
.GPIO_Mode = GPIO_Mode_AF,
.GPIO_OType = GPIO_OType_PP,
},
},
.miso = {
@ -161,6 +158,7 @@ static const struct pios_spi_cfg pios_spi_flash_cfg_gpsp = {
.GPIO_Pin = GPIO_Pin_6,
.GPIO_Speed = GPIO_Speed_10MHz,
.GPIO_Mode = GPIO_Mode_AF,
.GPIO_OType = GPIO_OType_OD,
},
},
.mosi = {
@ -169,26 +167,36 @@ static const struct pios_spi_cfg pios_spi_flash_cfg_gpsp = {
.GPIO_Pin = GPIO_Pin_7,
.GPIO_Speed = GPIO_Speed_10MHz,
.GPIO_Mode = GPIO_Mode_AF,
.GPIO_OType = GPIO_OType_PP,
},
},
.slave_count = 1,
.slave_count = 2,
.ssel = {
{
.gpio = GPIOA,
.init = {
.GPIO_Pin = GPIO_Pin_4,
.GPIO_Speed = GPIO_Speed_10MHz,
.GPIO_Mode = GPIO_Mode_Out_PP,
.GPIO_Mode = GPIO_Mode_OUT,
.GPIO_OType = GPIO_OType_PP,
}
},
{
.gpio = GPIOB,
.init = {
.GPIO_Pin = GPIO_Pin_1,
.GPIO_Speed = GPIO_Speed_10MHz,
.GPIO_Mode = GPIO_Mode_OUT,
.GPIO_OType = GPIO_OType_PP,
}
}
},
};
static uint32_t pios_spi_flash_id;
void PIOS_SPI_flash_irq_handler(void)
void PIOS_SPI_mag_flash_irq_handler(void)
{
/* Call into the generic code to handle the IRQ for this specific device */
PIOS_SPI_IRQ_Handler(pios_spi_flash_id);
PIOS_SPI_IRQ_Handler(pios_spi_mag_flash_id);
}
#endif /* PIOS_INCLUDE_SPI */

View File

@ -64,7 +64,7 @@
#define PIOS_INCLUDE_USART
//#define PIOS_INCLUDE_ADC
//#define PIOS_INCLUDE_I2C
//#define PIOS_INCLUDE_SPI
#define PIOS_INCLUDE_SPI
#define PIOS_INCLUDE_GPIO
#define PIOS_INCLUDE_EXTI
//#define PIOS_INCLUDE_WDG

View File

@ -70,31 +70,10 @@ void PIOS_Board_Init(void)
#if defined(PIOS_INCLUDE_SPI)
/* Set up the SPI interface to the serial flash */
if (PIOS_SPI_Init(&pios_spi_flash_accel_id, &pios_spi_flash_accel_cfg_cc3d)) {
if (PIOS_SPI_Init(&pios_spi_mag_flash_id, &pios_spi_mag_flash_cfg)) {
PIOS_Assert(0);
}
uintptr_t flash_id;
switch (bdinfo->board_rev) {
case BOARD_REVISION_CC:
if (PIOS_Flash_Jedec_Init(&flash_id, pios_spi_flash_accel_id, 1)) {
PIOS_DEBUG_Assert(0);
}
if (PIOS_FLASHFS_Logfs_Init(&pios_uavo_settings_fs_id, &flashfs_w25x_cfg, &pios_jedec_flash_driver, flash_id)) {
PIOS_DEBUG_Assert(0);
}
break;
case BOARD_REVISION_CC3D:
if (PIOS_Flash_Jedec_Init(&flash_id, pios_spi_flash_accel_id, 0)) {
PIOS_DEBUG_Assert(0);
}
if (PIOS_FLASHFS_Logfs_Init(&pios_uavo_settings_fs_id, &flashfs_m25p_cfg, &pios_jedec_flash_driver, flash_id)) {
PIOS_DEBUG_Assert(0);
}
break;
default:
PIOS_DEBUG_Assert(0);
}
#endif
/* Initialize the task monitor */