2018-11-29 17:00:22 +08:00
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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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2019-01-08 11:58:57 +08:00
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* 2018-11-5 SummerGift first version
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2018-12-12 16:49:27 +08:00
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* 2018-12-11 greedyhao Porting for stm32f7xx
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2019-01-08 11:58:57 +08:00
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* 2019-01-03 zylx modify DMA initialization and spixfer function
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2018-11-29 17:00:22 +08:00
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*/
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#include "board.h"
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2018-12-12 09:00:48 +08:00
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2018-11-29 17:00:22 +08:00
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#ifdef RT_USING_SPI
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2018-12-12 09:00:48 +08:00
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2019-01-08 11:58:57 +08:00
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#if defined(BSP_USING_SPI1) || defined(BSP_USING_SPI2) || defined(BSP_USING_SPI3) || defined(BSP_USING_SPI4) || defined(BSP_USING_SPI5) || defined(BSP_USING_SPI6)
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2018-11-29 17:00:22 +08:00
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/* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
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#include "drv_spi.h"
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#include "drv_config.h"
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2019-01-08 13:59:34 +08:00
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#include <string.h>
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2018-11-29 17:00:22 +08:00
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//#define DRV_DEBUG
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#define LOG_TAG "drv.spi"
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#include <drv_log.h>
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enum
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{
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#ifdef BSP_USING_SPI1
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SPI1_INDEX,
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#endif
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#ifdef BSP_USING_SPI2
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SPI2_INDEX,
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#endif
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#ifdef BSP_USING_SPI3
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SPI3_INDEX,
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#endif
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#ifdef BSP_USING_SPI4
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SPI4_INDEX,
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#endif
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#ifdef BSP_USING_SPI5
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SPI5_INDEX,
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#endif
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2018-12-11 22:53:25 +08:00
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#ifdef BSP_USING_SPI6
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SPI6_INDEX,
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#endif
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2018-11-29 17:00:22 +08:00
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};
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static struct stm32_spi_config spi_config[] =
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{
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#ifdef BSP_USING_SPI1
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SPI1_BUS_CONFIG,
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#endif
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#ifdef BSP_USING_SPI2
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SPI2_BUS_CONFIG,
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#endif
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#ifdef BSP_USING_SPI3
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SPI3_BUS_CONFIG,
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#endif
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#ifdef BSP_USING_SPI4
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SPI4_BUS_CONFIG,
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#endif
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#ifdef BSP_USING_SPI5
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SPI5_BUS_CONFIG,
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#endif
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2018-12-11 22:53:25 +08:00
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#ifdef BSP_USING_SPI6
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SPI6_BUS_CONFIG,
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#endif
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2018-11-29 17:00:22 +08:00
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};
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2019-01-08 11:58:57 +08:00
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static struct stm32_spi spi_bus_obj[sizeof(spi_config) / sizeof(spi_config[0])] = {0};
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2018-11-29 17:00:22 +08:00
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static rt_err_t stm32_spi_init(struct stm32_spi *spi_drv, struct rt_spi_configuration *cfg)
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{
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RT_ASSERT(spi_drv != RT_NULL);
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RT_ASSERT(cfg != RT_NULL);
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SPI_HandleTypeDef *spi_handle = &spi_drv->handle;
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if (cfg->mode & RT_SPI_SLAVE)
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{
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spi_handle->Init.Mode = SPI_MODE_SLAVE;
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}
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else
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{
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spi_handle->Init.Mode = SPI_MODE_MASTER;
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}
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if (cfg->mode & RT_SPI_3WIRE)
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{
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spi_handle->Init.Direction = SPI_DIRECTION_1LINE;
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}
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else
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{
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spi_handle->Init.Direction = SPI_DIRECTION_2LINES;
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}
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if (cfg->data_width == 8)
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{
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spi_handle->Init.DataSize = SPI_DATASIZE_8BIT;
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spi_handle->TxXferSize = 8;
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spi_handle->RxXferSize = 8;
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}
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else if (cfg->data_width == 16)
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{
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spi_handle->Init.DataSize = SPI_DATASIZE_16BIT;
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}
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else
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{
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return RT_EIO;
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}
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if (cfg->mode & RT_SPI_CPHA)
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{
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spi_handle->Init.CLKPhase = SPI_PHASE_2EDGE;
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}
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else
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{
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spi_handle->Init.CLKPhase = SPI_PHASE_1EDGE;
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}
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if (cfg->mode & RT_SPI_CPOL)
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{
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spi_handle->Init.CLKPolarity = SPI_POLARITY_HIGH;
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}
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else
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{
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spi_handle->Init.CLKPolarity = SPI_POLARITY_LOW;
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}
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if (cfg->mode & RT_SPI_NO_CS)
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{
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spi_handle->Init.NSS = SPI_NSS_SOFT;
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}
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else
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{
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spi_handle->Init.NSS = SPI_NSS_SOFT;
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}
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uint32_t SPI_APB_CLOCK;
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2019-02-15 10:43:09 +08:00
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#if defined(SOC_SERIES_STM32F0) || defined(SOC_SERIES_STM32G0)
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2018-12-26 10:43:16 +08:00
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SPI_APB_CLOCK = HAL_RCC_GetPCLK1Freq();
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#else
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2018-11-29 17:00:22 +08:00
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SPI_APB_CLOCK = HAL_RCC_GetPCLK2Freq();
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2018-12-26 10:43:16 +08:00
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#endif
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2018-11-29 17:00:22 +08:00
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if (cfg->max_hz >= SPI_APB_CLOCK / 2)
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{
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spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
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}
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else if (cfg->max_hz >= SPI_APB_CLOCK / 4)
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{
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spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4;
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}
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else if (cfg->max_hz >= SPI_APB_CLOCK / 8)
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{
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spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;
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}
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else if (cfg->max_hz >= SPI_APB_CLOCK / 16)
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{
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spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
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}
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else if (cfg->max_hz >= SPI_APB_CLOCK / 32)
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{
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spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_32;
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}
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else if (cfg->max_hz >= SPI_APB_CLOCK / 64)
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{
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spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
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}
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else if (cfg->max_hz >= SPI_APB_CLOCK / 128)
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{
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spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_128;
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}
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else
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{
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/* min prescaler 256 */
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spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
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}
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LOG_D("sys freq: %d, pclk2 freq: %d, SPI limiting freq: %d, BaudRatePrescaler: %d",
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HAL_RCC_GetSysClockFreq(),
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SPI_APB_CLOCK,
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cfg->max_hz,
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spi_handle->Init.BaudRatePrescaler);
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if (cfg->mode & RT_SPI_MSB)
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{
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spi_handle->Init.FirstBit = SPI_FIRSTBIT_MSB;
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}
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else
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{
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spi_handle->Init.FirstBit = SPI_FIRSTBIT_LSB;
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}
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spi_handle->Init.TIMode = SPI_TIMODE_DISABLE;
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spi_handle->Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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spi_handle->State = HAL_SPI_STATE_RESET;
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2019-01-08 11:58:57 +08:00
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#ifdef SOC_SERIES_STM32L4
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spi_handle->Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
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2019-01-08 13:59:34 +08:00
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#endif
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2018-11-29 17:00:22 +08:00
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if (HAL_SPI_Init(spi_handle) != HAL_OK)
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{
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return RT_EIO;
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}
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2018-12-26 10:43:16 +08:00
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#if defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32F0)|| defined(SOC_SERIES_STM32F7)
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2018-11-29 17:00:22 +08:00
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SET_BIT(spi_handle->Instance->CR2, SPI_RXFIFO_THRESHOLD_HF);
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#endif
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2019-01-08 11:58:57 +08:00
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/* DMA configuration */
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if (spi_drv->spi_dma_flag & SPI_USING_RX_DMA_FLAG)
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2018-11-29 17:00:22 +08:00
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{
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2019-01-08 11:58:57 +08:00
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HAL_DMA_Init(&spi_drv->dma.handle_rx);
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2018-11-29 17:00:22 +08:00
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2019-01-08 11:58:57 +08:00
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__HAL_LINKDMA(&spi_drv->handle, hdmarx, spi_drv->dma.handle_rx);
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2018-11-29 17:00:22 +08:00
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2019-01-08 11:58:57 +08:00
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/* NVIC configuration for DMA transfer complete interrupt */
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HAL_NVIC_SetPriority(spi_drv->config->dma_rx->dma_irq, 0, 0);
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HAL_NVIC_EnableIRQ(spi_drv->config->dma_rx->dma_irq);
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2018-11-29 17:00:22 +08:00
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}
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2019-01-08 11:58:57 +08:00
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if (spi_drv->spi_dma_flag & SPI_USING_TX_DMA_FLAG)
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2018-11-29 17:00:22 +08:00
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{
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2019-01-08 11:58:57 +08:00
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HAL_DMA_Init(&spi_drv->dma.handle_tx);
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2018-11-29 17:00:22 +08:00
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2019-01-08 11:58:57 +08:00
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__HAL_LINKDMA(&spi_drv->handle, hdmatx, spi_drv->dma.handle_tx);
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2018-11-29 17:00:22 +08:00
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2019-01-08 11:58:57 +08:00
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/* NVIC configuration for DMA transfer complete interrupt */
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HAL_NVIC_SetPriority(spi_drv->config->dma_tx->dma_irq, 0, 1);
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HAL_NVIC_EnableIRQ(spi_drv->config->dma_tx->dma_irq);
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}
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2018-11-29 17:00:22 +08:00
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2019-01-08 11:58:57 +08:00
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__HAL_SPI_ENABLE(spi_handle);
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2018-11-29 17:00:22 +08:00
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2019-01-08 11:58:57 +08:00
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LOG_D("%s init done", spi_drv->config->bus_name);
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return RT_EOK;
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2018-11-29 17:00:22 +08:00
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}
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static rt_uint32_t spixfer(struct rt_spi_device *device, struct rt_spi_message *message)
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{
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2019-01-08 11:58:57 +08:00
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HAL_StatusTypeDef state;
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2019-01-19 14:29:21 +08:00
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rt_size_t message_length, already_send_length;
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rt_uint16_t send_length;
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rt_uint8_t *recv_buf;
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const rt_uint8_t *send_buf;
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2019-01-08 11:58:57 +08:00
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2018-11-29 17:00:22 +08:00
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RT_ASSERT(device != RT_NULL);
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RT_ASSERT(device->bus != RT_NULL);
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RT_ASSERT(device->bus->parent.user_data != RT_NULL);
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RT_ASSERT(message != RT_NULL);
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struct stm32_spi *spi_drv = rt_container_of(device->bus, struct stm32_spi, spi_bus);
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2019-01-08 11:58:57 +08:00
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SPI_HandleTypeDef *spi_handle = &spi_drv->handle;
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2018-11-29 17:00:22 +08:00
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struct stm32_hw_spi_cs *cs = device->parent.user_data;
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if (message->cs_take)
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{
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HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_RESET);
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}
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2019-01-08 11:58:57 +08:00
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LOG_D("%s transfer prepare and start", spi_drv->config->bus_name);
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LOG_D("%s sendbuf: %X, recvbuf: %X, length: %d",
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spi_drv->config->bus_name,
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(uint32_t)message->send_buf,
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(uint32_t)message->recv_buf, message->length);
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2019-01-08 13:59:34 +08:00
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2019-01-19 14:29:21 +08:00
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message_length = message->length;
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recv_buf = message->recv_buf;
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send_buf = message->send_buf;
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while (message_length)
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2018-11-29 17:00:22 +08:00
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{
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2019-01-19 14:29:21 +08:00
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/* the HAL library use uint16 to save the data length */
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if (message_length > 65535)
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{
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send_length = 65535;
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message_length = message_length - 65535;
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}
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else
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{
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send_length = message_length;
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message_length = 0;
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}
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/* calculate the start address */
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already_send_length = message->length - send_length - message_length;
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send_buf = (rt_uint8_t *)message->send_buf + already_send_length;
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recv_buf = (rt_uint8_t *)message->recv_buf + already_send_length;
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2019-01-08 11:58:57 +08:00
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/* start once data exchange in DMA mode */
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if (message->send_buf && message->recv_buf)
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{
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2019-01-08 13:59:34 +08:00
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if ((spi_drv->spi_dma_flag & SPI_USING_TX_DMA_FLAG) && (spi_drv->spi_dma_flag & SPI_USING_RX_DMA_FLAG))
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{
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2019-01-19 14:29:21 +08:00
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state = HAL_SPI_TransmitReceive_DMA(spi_handle, (uint8_t *)send_buf, (uint8_t *)recv_buf, send_length);
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2019-01-08 13:59:34 +08:00
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}
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else
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{
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2019-01-19 14:29:21 +08:00
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state = HAL_SPI_TransmitReceive(spi_handle, (uint8_t *)send_buf, (uint8_t *)recv_buf, send_length, 1000);
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2019-01-08 13:59:34 +08:00
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}
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2019-01-08 11:58:57 +08:00
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}
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else if (message->send_buf)
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2018-11-29 17:00:22 +08:00
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{
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2019-01-08 11:58:57 +08:00
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if (spi_drv->spi_dma_flag & SPI_USING_TX_DMA_FLAG)
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2018-11-29 17:00:22 +08:00
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{
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2019-01-19 14:29:21 +08:00
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state = HAL_SPI_Transmit_DMA(spi_handle, (uint8_t *)send_buf, send_length);
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2018-11-29 17:00:22 +08:00
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}
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else
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{
|
2019-01-19 14:29:21 +08:00
|
|
|
state = HAL_SPI_Transmit(spi_handle, (uint8_t *)send_buf, send_length, 1000);
|
2018-11-29 17:00:22 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2019-01-19 14:29:21 +08:00
|
|
|
memset((uint8_t *)recv_buf, 0xff, send_length);
|
2019-01-08 11:58:57 +08:00
|
|
|
if (spi_drv->spi_dma_flag & SPI_USING_RX_DMA_FLAG)
|
2018-11-29 17:00:22 +08:00
|
|
|
{
|
2019-01-19 14:29:21 +08:00
|
|
|
state = HAL_SPI_Receive_DMA(spi_handle, (uint8_t *)recv_buf, send_length);
|
2018-11-29 17:00:22 +08:00
|
|
|
}
|
2019-01-08 11:58:57 +08:00
|
|
|
else
|
2018-11-29 17:00:22 +08:00
|
|
|
{
|
2019-01-19 14:29:21 +08:00
|
|
|
state = HAL_SPI_Receive(spi_handle, (uint8_t *)recv_buf, send_length, 1000);
|
2018-11-29 17:00:22 +08:00
|
|
|
}
|
|
|
|
}
|
2019-01-08 13:59:34 +08:00
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
if (state != HAL_OK)
|
|
|
|
{
|
|
|
|
LOG_I("spi transfer error : %d", state);
|
|
|
|
message->length = 0;
|
|
|
|
spi_handle->State = HAL_SPI_STATE_READY;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
LOG_D("%s transfer done", spi_drv->config->bus_name);
|
|
|
|
}
|
2018-11-29 17:00:22 +08:00
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
/* For simplicity reasons, this example is just waiting till the end of the
|
|
|
|
transfer, but application may perform other tasks while transfer operation
|
|
|
|
is ongoing. */
|
|
|
|
while (HAL_SPI_GetState(spi_handle) != HAL_SPI_STATE_READY);
|
|
|
|
}
|
2019-01-08 13:59:34 +08:00
|
|
|
|
2018-11-29 17:00:22 +08:00
|
|
|
if (message->cs_release)
|
|
|
|
{
|
|
|
|
HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_SET);
|
|
|
|
}
|
|
|
|
|
|
|
|
return message->length;
|
|
|
|
}
|
|
|
|
|
|
|
|
static rt_err_t spi_configure(struct rt_spi_device *device,
|
|
|
|
struct rt_spi_configuration *configuration)
|
|
|
|
{
|
|
|
|
RT_ASSERT(device != RT_NULL);
|
|
|
|
RT_ASSERT(configuration != RT_NULL);
|
|
|
|
|
|
|
|
struct stm32_spi *spi_drv = rt_container_of(device->bus, struct stm32_spi, spi_bus);
|
|
|
|
spi_drv->cfg = configuration;
|
|
|
|
|
|
|
|
return stm32_spi_init(spi_drv, configuration);
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct rt_spi_ops stm_spi_ops =
|
|
|
|
{
|
|
|
|
.configure = spi_configure,
|
|
|
|
.xfer = spixfer,
|
|
|
|
};
|
|
|
|
|
|
|
|
static int rt_hw_spi_bus_init(void)
|
|
|
|
{
|
|
|
|
rt_err_t result;
|
|
|
|
for (int i = 0; i < sizeof(spi_config) / sizeof(spi_config[0]); i++)
|
|
|
|
{
|
|
|
|
spi_bus_obj[i].config = &spi_config[i];
|
|
|
|
spi_bus_obj[i].spi_bus.parent.user_data = &spi_config[i];
|
|
|
|
spi_bus_obj[i].handle.Instance = spi_config[i].Instance;
|
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
if (spi_bus_obj[i].spi_dma_flag & SPI_USING_RX_DMA_FLAG)
|
|
|
|
{
|
|
|
|
/* Configure the DMA handler for Transmission process */
|
|
|
|
spi_bus_obj[i].dma.handle_rx.Instance = spi_config[i].dma_rx->Instance;
|
2018-12-11 22:53:25 +08:00
|
|
|
#if defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7)
|
2019-01-08 11:58:57 +08:00
|
|
|
spi_bus_obj[i].dma.handle_rx.Init.Channel = spi_config[i].dma_rx->channel;
|
2018-11-29 17:00:22 +08:00
|
|
|
#elif defined(SOC_SERIES_STM32L4)
|
2019-01-08 11:58:57 +08:00
|
|
|
spi_bus_obj[i].dma.handle_rx.Init.Request = spi_config[i].dma_rx->request;
|
|
|
|
#endif
|
|
|
|
spi_bus_obj[i].dma.handle_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
|
|
|
|
spi_bus_obj[i].dma.handle_rx.Init.PeriphInc = DMA_PINC_DISABLE;
|
|
|
|
spi_bus_obj[i].dma.handle_rx.Init.MemInc = DMA_MINC_ENABLE;
|
|
|
|
spi_bus_obj[i].dma.handle_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
|
|
|
|
spi_bus_obj[i].dma.handle_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
|
|
|
|
spi_bus_obj[i].dma.handle_rx.Init.Mode = DMA_NORMAL;
|
|
|
|
spi_bus_obj[i].dma.handle_rx.Init.Priority = DMA_PRIORITY_HIGH;
|
2018-12-11 22:53:25 +08:00
|
|
|
#if defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7)
|
2019-01-08 11:58:57 +08:00
|
|
|
spi_bus_obj[i].dma.handle_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
|
|
|
|
spi_bus_obj[i].dma.handle_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
|
|
|
|
spi_bus_obj[i].dma.handle_rx.Init.MemBurst = DMA_MBURST_INC4;
|
|
|
|
spi_bus_obj[i].dma.handle_rx.Init.PeriphBurst = DMA_PBURST_INC4;
|
2018-11-29 17:00:22 +08:00
|
|
|
#endif
|
|
|
|
|
2019-01-08 13:59:34 +08:00
|
|
|
{
|
|
|
|
rt_uint32_t tmpreg = 0x00U;
|
2019-01-08 11:58:57 +08:00
|
|
|
#if defined(SOC_SERIES_STM32F1)
|
2019-01-08 13:59:34 +08:00
|
|
|
/* enable DMA clock && Delay after an RCC peripheral clock enabling*/
|
|
|
|
SET_BIT(RCC->AHBENR, spi_config[i].dma_rx->dma_rcc);
|
|
|
|
tmpreg = READ_BIT(RCC->AHBENR, spi_config[i].dma_rx->dma_rcc);
|
|
|
|
#elif defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32L4)
|
2019-01-08 11:58:57 +08:00
|
|
|
SET_BIT(RCC->AHB1ENR, spi_config[i].dma_rx->dma_rcc);
|
|
|
|
/* Delay after an RCC peripheral clock enabling */
|
|
|
|
tmpreg = READ_BIT(RCC->AHB1ENR, spi_config[i].dma_rx->dma_rcc);
|
|
|
|
#endif
|
2019-01-08 13:59:34 +08:00
|
|
|
UNUSED(tmpreg); /* To avoid compiler warnings */
|
|
|
|
}
|
2019-01-08 11:58:57 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
if (spi_bus_obj[i].spi_dma_flag & SPI_USING_TX_DMA_FLAG)
|
|
|
|
{
|
|
|
|
/* Configure the DMA handler for Transmission process */
|
|
|
|
spi_bus_obj[i].dma.handle_tx.Instance = spi_config[i].dma_tx->Instance;
|
2018-12-11 22:53:25 +08:00
|
|
|
#if defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7)
|
2019-01-08 11:58:57 +08:00
|
|
|
spi_bus_obj[i].dma.handle_tx.Init.Channel = spi_config[i].dma_tx->channel;
|
2018-11-29 17:00:22 +08:00
|
|
|
#elif defined(SOC_SERIES_STM32L4)
|
2019-01-08 11:58:57 +08:00
|
|
|
spi_bus_obj[i].dma.handle_tx.Init.Request = spi_config[i].dma_tx->request;
|
|
|
|
#endif
|
|
|
|
spi_bus_obj[i].dma.handle_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
|
|
|
|
spi_bus_obj[i].dma.handle_tx.Init.PeriphInc = DMA_PINC_DISABLE;
|
|
|
|
spi_bus_obj[i].dma.handle_tx.Init.MemInc = DMA_MINC_ENABLE;
|
|
|
|
spi_bus_obj[i].dma.handle_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
|
|
|
|
spi_bus_obj[i].dma.handle_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
|
|
|
|
spi_bus_obj[i].dma.handle_tx.Init.Mode = DMA_NORMAL;
|
|
|
|
spi_bus_obj[i].dma.handle_tx.Init.Priority = DMA_PRIORITY_LOW;
|
2018-12-11 22:53:25 +08:00
|
|
|
#if defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7)
|
2019-01-08 11:58:57 +08:00
|
|
|
spi_bus_obj[i].dma.handle_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
|
|
|
|
spi_bus_obj[i].dma.handle_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
|
|
|
|
spi_bus_obj[i].dma.handle_tx.Init.MemBurst = DMA_MBURST_INC4;
|
|
|
|
spi_bus_obj[i].dma.handle_tx.Init.PeriphBurst = DMA_PBURST_INC4;
|
2018-11-29 17:00:22 +08:00
|
|
|
#endif
|
2019-01-08 11:58:57 +08:00
|
|
|
|
2019-01-08 13:59:34 +08:00
|
|
|
{
|
|
|
|
rt_uint32_t tmpreg = 0x00U;
|
2018-11-29 17:00:22 +08:00
|
|
|
#if defined(SOC_SERIES_STM32F1)
|
2019-01-08 13:59:34 +08:00
|
|
|
/* enable DMA clock && Delay after an RCC peripheral clock enabling*/
|
|
|
|
SET_BIT(RCC->AHBENR, spi_config[i].dma_rx->dma_rcc);
|
|
|
|
tmpreg = READ_BIT(RCC->AHBENR, spi_config[i].dma_rx->dma_rcc);
|
|
|
|
#elif defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32L4)
|
2019-01-08 11:58:57 +08:00
|
|
|
SET_BIT(RCC->AHB1ENR, spi_config[i].dma_tx->dma_rcc);
|
|
|
|
/* Delay after an RCC peripheral clock enabling */
|
|
|
|
tmpreg = READ_BIT(RCC->AHB1ENR, spi_config[i].dma_tx->dma_rcc);
|
2018-11-29 17:00:22 +08:00
|
|
|
#endif
|
2019-01-08 13:59:34 +08:00
|
|
|
UNUSED(tmpreg); /* To avoid compiler warnings */
|
|
|
|
}
|
2019-01-08 11:58:57 +08:00
|
|
|
}
|
2018-11-29 17:00:22 +08:00
|
|
|
|
|
|
|
result = rt_spi_bus_register(&spi_bus_obj[i].spi_bus, spi_config[i].bus_name, &stm_spi_ops);
|
|
|
|
RT_ASSERT(result == RT_EOK);
|
|
|
|
|
|
|
|
LOG_D("%s bus init done", spi_config[i].bus_name);
|
|
|
|
}
|
|
|
|
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Attach the spi device to SPI bus, this function must be used after initialization.
|
|
|
|
*/
|
2019-01-08 11:58:57 +08:00
|
|
|
rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, GPIO_TypeDef *cs_gpiox, uint16_t cs_gpio_pin)
|
2018-11-29 17:00:22 +08:00
|
|
|
{
|
|
|
|
RT_ASSERT(bus_name != RT_NULL);
|
|
|
|
RT_ASSERT(device_name != RT_NULL);
|
|
|
|
|
|
|
|
rt_err_t result;
|
|
|
|
struct rt_spi_device *spi_device;
|
|
|
|
struct stm32_hw_spi_cs *cs_pin;
|
|
|
|
|
|
|
|
/* initialize the cs pin && select the slave*/
|
|
|
|
GPIO_InitTypeDef GPIO_Initure;
|
|
|
|
GPIO_Initure.Pin = cs_gpio_pin;
|
|
|
|
GPIO_Initure.Mode = GPIO_MODE_OUTPUT_PP;
|
|
|
|
GPIO_Initure.Pull = GPIO_PULLUP;
|
|
|
|
GPIO_Initure.Speed = GPIO_SPEED_FREQ_HIGH;
|
|
|
|
HAL_GPIO_Init(cs_gpiox, &GPIO_Initure);
|
|
|
|
HAL_GPIO_WritePin(cs_gpiox, cs_gpio_pin, GPIO_PIN_SET);
|
|
|
|
|
|
|
|
/* attach the device to spi bus*/
|
|
|
|
spi_device = (struct rt_spi_device *)rt_malloc(sizeof(struct rt_spi_device));
|
|
|
|
RT_ASSERT(spi_device != RT_NULL);
|
|
|
|
cs_pin = (struct stm32_hw_spi_cs *)rt_malloc(sizeof(struct stm32_hw_spi_cs));
|
|
|
|
RT_ASSERT(cs_pin != RT_NULL);
|
|
|
|
cs_pin->GPIOx = cs_gpiox;
|
|
|
|
cs_pin->GPIO_Pin = cs_gpio_pin;
|
|
|
|
result = rt_spi_bus_attach_device(spi_device, device_name, bus_name, (void *)cs_pin);
|
|
|
|
|
|
|
|
if (result != RT_EOK)
|
|
|
|
{
|
|
|
|
LOG_E("%s attach to %s faild, %d\n", device_name, bus_name, result);
|
|
|
|
}
|
|
|
|
|
|
|
|
RT_ASSERT(result == RT_EOK);
|
|
|
|
|
|
|
|
LOG_D("%s attach to %s done", device_name, bus_name);
|
|
|
|
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
#if defined(BSP_SPI1_TX_USING_DMA) || defined(BSP_SPI1_RX_USING_DMA)
|
|
|
|
void SPI1_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_SPI_IRQHandler(&spi_bus_obj[SPI1_INDEX].handle);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if defined(BSP_USING_SPI1) && defined(BSP_SPI1_RX_USING_DMA)
|
2018-11-29 17:00:22 +08:00
|
|
|
/**
|
|
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
|
|
* @param None
|
|
|
|
* @retval None
|
|
|
|
*/
|
|
|
|
void SPI1_DMA_RX_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_DMA_IRQHandler(&spi_bus_obj[SPI1_INDEX].dma.handle_rx);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
2019-01-08 11:58:57 +08:00
|
|
|
#endif
|
2018-11-29 17:00:22 +08:00
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
#if defined(BSP_USING_SPI1) && defined(BSP_SPI1_TX_USING_DMA)
|
2018-11-29 17:00:22 +08:00
|
|
|
/**
|
|
|
|
* @brief This function handles DMA Tx interrupt request.
|
|
|
|
* @param None
|
|
|
|
* @retval None
|
|
|
|
*/
|
|
|
|
void SPI1_DMA_TX_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_DMA_IRQHandler(&spi_bus_obj[SPI1_INDEX].dma.handle_tx);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
|
|
|
#endif /* defined(BSP_USING_SPI1) && defined(BSP_SPI_USING_DMA) */
|
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
#if defined(BSP_SPI2_TX_USING_DMA) || defined(BSP_SPI2_RX_USING_DMA)
|
|
|
|
void SPI2_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_SPI_IRQHandler(&spi_bus_obj[SPI2_INDEX].handle);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if defined(BSP_USING_SPI2) && defined(BSP_SPI2_RX_USING_DMA)
|
2018-11-29 17:00:22 +08:00
|
|
|
/**
|
|
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
|
|
* @param None
|
|
|
|
* @retval None
|
|
|
|
*/
|
|
|
|
void SPI2_DMA_RX_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_DMA_IRQHandler(&spi_bus_obj[SPI2_INDEX].dma.handle_rx);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
2019-01-08 11:58:57 +08:00
|
|
|
#endif
|
2018-11-29 17:00:22 +08:00
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
#if defined(BSP_USING_SPI2) && defined(BSP_SPI2_TX_USING_DMA)
|
2018-11-29 17:00:22 +08:00
|
|
|
/**
|
|
|
|
* @brief This function handles DMA Tx interrupt request.
|
|
|
|
* @param None
|
|
|
|
* @retval None
|
|
|
|
*/
|
|
|
|
void SPI2_DMA_TX_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_DMA_IRQHandler(&spi_bus_obj[SPI2_INDEX].dma.handle_tx);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
|
|
|
#endif /* defined(BSP_USING_SPI2) && defined(BSP_SPI_USING_DMA) */
|
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
#if defined(BSP_SPI3_TX_USING_DMA) || defined(BSP_SPI3_RX_USING_DMA)
|
|
|
|
void SPI3_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_SPI_IRQHandler(&spi_bus_obj[SPI3_INDEX].handle);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if defined(BSP_USING_SPI3) && defined(BSP_SPI3_RX_USING_DMA)
|
2018-11-29 17:00:22 +08:00
|
|
|
/**
|
|
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
|
|
* @param None
|
|
|
|
* @retval None
|
|
|
|
*/
|
|
|
|
void SPI3_DMA_RX_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_DMA_IRQHandler(&spi_bus_obj[SPI3_INDEX].dma.handle_rx);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
2019-01-08 11:58:57 +08:00
|
|
|
#endif
|
2018-11-29 17:00:22 +08:00
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
#if defined(BSP_USING_SPI3) && defined(BSP_SPI3_TX_USING_DMA)
|
2018-11-29 17:00:22 +08:00
|
|
|
/**
|
|
|
|
* @brief This function handles DMA Tx interrupt request.
|
|
|
|
* @param None
|
|
|
|
* @retval None
|
|
|
|
*/
|
|
|
|
void SPI3_DMA_TX_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_DMA_IRQHandler(&spi_bus_obj[SPI3_INDEX].dma.handle_tx);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
|
|
|
#endif /* defined(BSP_USING_SPI3) && defined(BSP_SPI_USING_DMA) */
|
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
#if defined(BSP_SPI4_TX_USING_DMA) || defined(BSP_SPI4_RX_USING_DMA)
|
|
|
|
void SPI4_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_SPI_IRQHandler(&spi_bus_obj[SPI4_INDEX].handle);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
|
|
|
#endif
|
2018-11-29 17:00:22 +08:00
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
#if defined(BSP_USING_SPI4) && defined(BSP_SPI4_RX_USING_DMA)
|
2018-11-29 17:00:22 +08:00
|
|
|
/**
|
|
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
|
|
* @param None
|
|
|
|
* @retval None
|
|
|
|
*/
|
|
|
|
void SPI4_DMA_RX_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_DMA_IRQHandler(&spi_bus_obj[SPI4_INDEX].dma.handle_rx);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
2019-01-08 11:58:57 +08:00
|
|
|
#endif
|
2018-11-29 17:00:22 +08:00
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
#if defined(BSP_USING_SPI4) && defined(BSP_SPI4_TX_USING_DMA)
|
2018-11-29 17:00:22 +08:00
|
|
|
/**
|
|
|
|
* @brief This function handles DMA Tx interrupt request.
|
|
|
|
* @param None
|
|
|
|
* @retval None
|
|
|
|
*/
|
|
|
|
void SPI4_DMA_TX_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_DMA_IRQHandler(&spi_bus_obj[SPI4_INDEX].dma.handle_tx);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
|
|
|
#endif /* defined(BSP_USING_SPI4) && defined(BSP_SPI_USING_DMA) */
|
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
#if defined(BSP_SPI5_TX_USING_DMA) || defined(BSP_SPI5_RX_USING_DMA)
|
|
|
|
void SPI5_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_SPI_IRQHandler(&spi_bus_obj[SPI5_INDEX].handle);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if defined(BSP_USING_SPI5) && defined(BSP_SPI5_RX_USING_DMA)
|
2018-11-29 17:00:22 +08:00
|
|
|
/**
|
|
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
|
|
* @param None
|
|
|
|
* @retval None
|
|
|
|
*/
|
|
|
|
void SPI5_DMA_RX_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_DMA_IRQHandler(&spi_bus_obj[SPI5_INDEX].dma.handle_rx);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
2019-01-08 11:58:57 +08:00
|
|
|
#endif
|
2018-11-29 17:00:22 +08:00
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
#if defined(BSP_USING_SPI5) && defined(BSP_SPI5_TX_USING_DMA)
|
2018-11-29 17:00:22 +08:00
|
|
|
/**
|
|
|
|
* @brief This function handles DMA Tx interrupt request.
|
|
|
|
* @param None
|
|
|
|
* @retval None
|
|
|
|
*/
|
|
|
|
void SPI5_DMA_TX_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_DMA_IRQHandler(&spi_bus_obj[SPI5_INDEX].dma.handle_tx);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
|
|
|
#endif /* defined(BSP_USING_SPI5) && defined(BSP_SPI_USING_DMA) */
|
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
#if defined(BSP_USING_SPI6) && defined(BSP_SPI6_RX_USING_DMA)
|
2018-12-11 22:53:25 +08:00
|
|
|
/**
|
|
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
|
|
* @param None
|
|
|
|
* @retval None
|
|
|
|
*/
|
|
|
|
void SPI6_DMA_RX_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_DMA_IRQHandler(&spi_bus_obj[SPI6_INDEX].dma.handle_rx);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
2019-01-08 11:58:57 +08:00
|
|
|
#endif
|
2018-12-11 22:53:25 +08:00
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
#if defined(BSP_USING_SPI6) && defined(BSP_SPI6_TX_USING_DMA)
|
2018-12-11 22:53:25 +08:00
|
|
|
/**
|
|
|
|
* @brief This function handles DMA Tx interrupt request.
|
|
|
|
* @param None
|
|
|
|
* @retval None
|
|
|
|
*/
|
|
|
|
void SPI6_DMA_TX_IRQHandler(void)
|
|
|
|
{
|
|
|
|
/* enter interrupt */
|
|
|
|
rt_interrupt_enter();
|
|
|
|
|
|
|
|
HAL_DMA_IRQHandler(&spi_bus_obj[SPI6_INDEX].dma.handle_tx);
|
|
|
|
|
|
|
|
/* leave interrupt */
|
|
|
|
rt_interrupt_leave();
|
|
|
|
}
|
|
|
|
#endif /* defined(BSP_USING_SPI6) && defined(BSP_SPI_USING_DMA) */
|
|
|
|
|
2019-01-08 11:58:57 +08:00
|
|
|
static void stm32_get_dma_info(void)
|
|
|
|
{
|
|
|
|
#ifdef BSP_SPI1_RX_USING_DMA
|
|
|
|
spi_bus_obj[SPI1_INDEX].spi_dma_flag |= SPI_USING_RX_DMA_FLAG;
|
|
|
|
static struct dma_config spi1_dma_rx = SPI1_RX_DMA_CONFIG;
|
|
|
|
spi_config[SPI1_INDEX].dma_rx = &spi1_dma_rx;
|
|
|
|
#endif
|
|
|
|
#ifdef BSP_SPI1_TX_USING_DMA
|
|
|
|
spi_bus_obj[SPI1_INDEX].spi_dma_flag |= SPI_USING_TX_DMA_FLAG;
|
|
|
|
static struct dma_config spi1_dma_tx = SPI1_TX_DMA_CONFIG;
|
|
|
|
spi_config[SPI1_INDEX].dma_tx = &spi1_dma_tx;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef BSP_SPI2_RX_USING_DMA
|
|
|
|
spi_bus_obj[SPI2_INDEX].spi_dma_flag |= SPI_USING_RX_DMA_FLAG;
|
|
|
|
static struct dma_config spi2_dma_rx = SPI2_RX_DMA_CONFIG;
|
|
|
|
spi_config[SPI2_INDEX].dma_rx = &spi2_dma_rx;
|
|
|
|
#endif
|
|
|
|
#ifdef BSP_SPI2_TX_USING_DMA
|
|
|
|
spi_bus_obj[SPI2_INDEX].spi_dma_flag |= SPI_USING_TX_DMA_FLAG;
|
|
|
|
static struct dma_config spi2_dma_tx = SPI2_TX_DMA_CONFIG;
|
|
|
|
spi_config[SPI2_INDEX].dma_tx = &spi2_dma_tx;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef BSP_SPI3_RX_USING_DMA
|
|
|
|
spi_bus_obj[SPI3_INDEX].spi_dma_flag |= SPI_USING_RX_DMA_FLAG;
|
|
|
|
static struct dma_config spi3_dma_rx = SPI3_RX_DMA_CONFIG;
|
|
|
|
spi_config[SPI3_INDEX].dma_rx = &spi3_dma_rx;
|
|
|
|
#endif
|
|
|
|
#ifdef BSP_SPI3_TX_USING_DMA
|
|
|
|
spi_bus_obj[SPI3_INDEX].spi_dma_flag |= SPI_USING_TX_DMA_FLAG;
|
|
|
|
static struct dma_config spi3_dma_tx = SPI3_TX_DMA_CONFIG;
|
|
|
|
spi_config[SPI3_INDEX].dma_tx = &spi3_dma_tx;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef BSP_SPI4_RX_USING_DMA
|
|
|
|
spi_bus_obj[SPI4_INDEX].spi_dma_flag |= SPI_USING_RX_DMA_FLAG;
|
|
|
|
static struct dma_config spi4_dma_rx = SPI4_RX_DMA_CONFIG;
|
|
|
|
spi_config[SPI4_INDEX].dma_rx = &spi4_dma_rx;
|
|
|
|
#endif
|
|
|
|
#ifdef BSP_SPI4_TX_USING_DMA
|
|
|
|
spi_bus_obj[SPI4_INDEX].spi_dma_flag |= SPI_USING_TX_DMA_FLAG;
|
|
|
|
static struct dma_config spi4_dma_tx = SPI4_TX_DMA_CONFIG;
|
|
|
|
spi_config[SPI4_INDEX].dma_tx = &spi4_dma_tx;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef BSP_SPI5_RX_USING_DMA
|
|
|
|
spi_bus_obj[SPI5_INDEX].spi_dma_flag |= SPI_USING_RX_DMA_FLAG;
|
|
|
|
static struct dma_config spi5_dma_rx = SPI5_RX_DMA_CONFIG;
|
|
|
|
spi_config[SPI5_INDEX].dma_rx = &spi5_dma_rx;
|
|
|
|
#endif
|
|
|
|
#ifdef BSP_SPI5_TX_USING_DMA
|
|
|
|
spi_bus_obj[SPI5_INDEX].spi_dma_flag |= SPI_USING_TX_DMA_FLAG;
|
|
|
|
static struct dma_config spi5_dma_tx = SPI5_TX_DMA_CONFIG;
|
|
|
|
spi_config[SPI5_INDEX].dma_tx = &spi5_dma_tx;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef BSP_SPI6_RX_USING_DMA
|
|
|
|
spi_bus_obj[SPI6_INDEX].spi_dma_flag |= SPI_USING_RX_DMA_FLAG;
|
|
|
|
static struct dma_config spi6_dma_rx = SPI6_RX_DMA_CONFIG;
|
|
|
|
spi_config[SPI6_INDEX].dma_rx = &spi6_dma_rx;
|
|
|
|
#endif
|
|
|
|
#ifdef BSP_SPI6_TX_USING_DMA
|
|
|
|
spi_bus_obj[SPI6_INDEX].spi_dma_flag |= SPI_USING_TX_DMA_FLAG;
|
|
|
|
static struct dma_config spi6_dma_tx = SPI6_TX_DMA_CONFIG;
|
|
|
|
spi_config[SPI6_INDEX].dma_tx = &spi6_dma_tx;
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2018-11-29 17:00:22 +08:00
|
|
|
int rt_hw_spi_init(void)
|
|
|
|
{
|
2019-01-08 11:58:57 +08:00
|
|
|
stm32_get_dma_info();
|
2018-11-29 17:00:22 +08:00
|
|
|
return rt_hw_spi_bus_init();
|
|
|
|
}
|
|
|
|
INIT_BOARD_EXPORT(rt_hw_spi_init);
|
|
|
|
|
2018-12-26 10:43:16 +08:00
|
|
|
#endif /* BSP_USING_SPI1 || BSP_USING_SPI2 || BSP_USING_SPI3 || BSP_USING_SPI4 || BSP_USING_SPI5 */
|
2018-11-29 17:00:22 +08:00
|
|
|
#endif /* RT_USING_SPI */
|