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- /*
- * Copyright (C) 2020, Huada Semiconductor Co., Ltd.
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2020-10-30 CDT first version
- */
- /*******************************************************************************
- * Include files
- ******************************************************************************/
- #include <rtthread.h>
- #include "drv_spi.h"
- #if defined(RT_USING_SPI) && defined(RT_USING_PIN)
- #include <rtdevice.h>
- #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)
- #error "Please define at least one SPIx"
- #endif
- /*******************************************************************************
- * Local type definitions ('typedef')
- ******************************************************************************/
- /*******************************************************************************
- * Local pre-processor symbols/macros ('#define')
- ******************************************************************************/
- /* #define DEBUG */
- #ifndef HC32_SPI_DEBUG
- #define SPI_PRINT_DBG(fmt, args...)
- #define SPI_PRINT_ERR(fmt, args...) rt_kprintf(fmt, ##args);
- #else
- #define SPI_PRINT_DBG(fmt, args...) rt_kprintf(fmt, ##args);
- #define SPI_PRINT_ERR(fmt, args...) rt_kprintf(fmt, ##args);
- #endif
- /*******************************************************************************
- * Global variable definitions (declared in header file with 'extern')
- ******************************************************************************/
- /*******************************************************************************
- * Local function prototypes ('static')
- ******************************************************************************/
- /* private rt-thread spi ops function */
- static rt_err_t hc32_spi_configure(struct rt_spi_device* device,
- struct rt_spi_configuration* configuration);
- static rt_uint32_t hc32_spi_xfer(struct rt_spi_device* device,
- struct rt_spi_message* message);
- #if defined(BSP_USING_SPI1)
- static void spi1_rx_dma_irq_handle(void);
- static void spi1_tx_dma_irq_handle(void);
- #endif /* BSP_USING_SPI1 */
- #if defined(BSP_USING_SPI2)
- static void spi2_rx_dma_irq_handle(void);
- static void spi2_tx_dma_irq_handle(void);
- #endif /* BSP_USING_SPI2 */
- #if defined(BSP_USING_SPI3)
- static void spi3_rx_dma_irq_handle(void);
- static void spi3_tx_dma_irq_handle(void);
- #endif /* BSP_USING_SPI3 */
- #if defined(BSP_USING_SPI4)
- static void spi4_rx_dma_irq_handle(void);
- static void spi4_tx_dma_irq_handle(void);
- #endif /* BSP_USING_SPI4 */
- #if defined(BSP_USING_SPI5)
- static void spi5_rx_dma_irq_handle(void);
- static void spi5_tx_dma_irq_handle(void);
- #endif /* BSP_USING_SPI5 */
- #if defined(BSP_USING_SPI6)
- static void spi6_rx_dma_irq_handle(void);
- static void spi6_tx_dma_irq_handle(void);
- #endif /* BSP_USING_SPI6 */
- /*******************************************************************************
- * Local variable definitions ('static')
- ******************************************************************************/
- enum
- {
- #ifdef BSP_USING_SPI1
- SPI1_INDEX,
- #endif
- #ifdef BSP_USING_SPI2
- SPI2_INDEX,
- #endif
- #ifdef BSP_USING_SPI3
- SPI3_INDEX,
- #endif
- #ifdef BSP_USING_SPI4
- SPI4_INDEX,
- #endif
- #ifdef BSP_USING_SPI5
- SPI5_INDEX,
- #endif
- #ifdef BSP_USING_SPI6
- SPI6_INDEX,
- #endif
- SPI_INDEX_MAX,
- };
- static const struct spi_index spi_map[] =
- {
- #ifdef BSP_USING_SPI1
- {SPI1_INDEX, M4_SPI1},
- #endif
- #ifdef BSP_USING_SPI2
- {SPI2_INDEX, M4_SPI2},
- #endif
- #ifdef BSP_USING_SPI3
- {SPI3_INDEX, M4_SPI3},
- #endif
- #ifdef BSP_USING_SPI4
- {SPI4_INDEX, M4_SPI4},
- #endif
- #ifdef BSP_USING_SPI5
- {SPI5_INDEX, M4_SPI5},
- #endif
- #ifdef BSP_USING_SPI6
- {SPI6_INDEX, M4_SPI6},
- #endif
- };
- static struct hc32_spi_config spi_config[] =
- {
- #ifdef BSP_USING_SPI1
- SPI1_BUS_CONFIG,
- #endif
- #ifdef BSP_USING_SPI2
- SPI2_BUS_CONFIG,
- #endif
- #ifdef BSP_USING_SPI3
- SPI3_BUS_CONFIG,
- #endif
- #ifdef BSP_USING_SPI4
- SPI4_BUS_CONFIG,
- #endif
- #ifdef BSP_USING_SPI5
- SPI5_BUS_CONFIG,
- #endif
- #ifdef BSP_USING_SPI6
- SPI6_BUS_CONFIG,
- #endif
- };
- static const struct spi_irq_handler spi_irq_handlers[] =
- {
- #ifdef BSP_USING_SPI1
- {spi1_rx_dma_irq_handle, spi1_tx_dma_irq_handle},
- #endif
- #ifdef BSP_USING_SPI2
- {spi2_rx_dma_irq_handle, spi2_tx_dma_irq_handle},
- #endif
- #ifdef BSP_USING_SPI3
- {spi3_rx_dma_irq_handle, spi3_tx_dma_irq_handle},
- #endif
- #ifdef BSP_USING_SPI4
- {spi4_rx_dma_irq_handle, spi4_tx_dma_irq_handle},
- #endif
- #ifdef BSP_USING_SPI5
- {spi5_rx_dma_irq_handle, spi5_tx_dma_irq_handle},
- #endif
- #ifdef BSP_USING_SPI6
- {spi6_rx_dma_irq_handle, spi6_tx_dma_irq_handle},
- #endif
- };
- static struct hc32_spi spi_bus_obj[sizeof(spi_config) / sizeof(spi_config[0])] = {0};
- /*******************************************************************************
- * Function implementation - global ('extern') and local ('static')
- ******************************************************************************/
- extern void hc32_board_spi_init(M4_SPI_TypeDef *M4_SPIx, rt_uint8_t mode);
- /**
- * @brief This function gets index for specific SPI_Instance.
- * @param Instance
- * @retval index
- */
- static uint32_t get_spi_index(M4_SPI_TypeDef *Instance)
- {
- uint32_t index = SPI_INDEX_MAX;
- for (uint8_t i = 0U; i < ARRAY_SZ(spi_map); i++)
- {
- if (spi_map[i].Instance == Instance)
- {
- index = spi_map[i].index;
- RT_ASSERT(index < SPI_INDEX_MAX)
- break;
- }
- }
- return index;
- }
- static uint32_t get_spi_fcg(M4_SPI_TypeDef *Instance)
- {
- return (PWC_FCG1_SPI1 << get_spi_index(Instance));
- }
- rt_err_t hc32_spi_init(struct hc32_spi *spi_drv, struct rt_spi_configuration *cfg)
- {
- RT_ASSERT(spi_drv != RT_NULL);
- RT_ASSERT(cfg != RT_NULL);
- stc_spi_init_t stcSpiInit;
- stc_clk_freq_t stcClkFreq;
- M4_SPI_TypeDef *spi_handle = spi_drv->handle.Instance;
- /* Enable spi clock gate */
- PWC_Fcg1PeriphClockCmd(get_spi_fcg(spi_handle), Enable);
- /* Init spi struct as default value */
- SPI_StructInit(&stcSpiInit);
- /* Slave or master mode */
- if (cfg->mode & RT_SPI_SLAVE)
- {
- stcSpiInit.u32MasterSlave = SPI_SLAVE;
- }
- else
- {
- stcSpiInit.u32MasterSlave = SPI_MASTER;
- }
- /* 3 wire or 4 wire mode */
- if (cfg->mode & RT_SPI_3WIRE)
- {
- stcSpiInit.u32WireMode = SPI_WIRE_3;
- }
- else
- {
- stcSpiInit.u32WireMode = SPI_WIRE_4;
- }
- /* spi mode */
- if (0x00 == (cfg->mode & (RT_SPI_CPHA | RT_SPI_CPOL)))
- {
- stcSpiInit.u32SpiMode = SPI_MODE_0;
- }
- else if (0x01 == (cfg->mode & (RT_SPI_CPHA | RT_SPI_CPOL)))
- {
- stcSpiInit.u32SpiMode = SPI_MODE_1;
- }
- else if (0x02 == (cfg->mode & (RT_SPI_CPHA | RT_SPI_CPOL)))
- {
- stcSpiInit.u32SpiMode = SPI_MODE_2;
- }
- else if (0x03 == (cfg->mode & (RT_SPI_CPHA | RT_SPI_CPOL)))
- {
- stcSpiInit.u32SpiMode = SPI_MODE_3;
- }
- /* LSB or MSB */
- if (cfg->mode & RT_SPI_MSB)
- {
- stcSpiInit.u32FirstBit = SPI_FIRST_MSB;
- }
- else
- {
- stcSpiInit.u32FirstBit = SPI_FIRST_LSB;
- }
- /* config data width 4~16, 20, 24, 32 */
- if (4u > cfg->data_width)
- {
- return RT_EIO;
- }
- else if (16u >= cfg->data_width)
- {
- stcSpiInit.u32DataBits = ((cfg->data_width - 4u) << 8u);
- }
- else if (20u == cfg->data_width)
- {
- stcSpiInit.u32DataBits = SPI_DATA_SIZE_20BIT;
- }
- else if (24u == cfg->data_width)
- {
- stcSpiInit.u32DataBits = SPI_DATA_SIZE_24BIT;
- }
- else if (32u == cfg->data_width)
- {
- stcSpiInit.u32DataBits = SPI_DATA_SIZE_32BIT;
- }
- else
- {
- return RT_EIO;
- }
- /* Get APB clock */
- CLK_GetClockFreq(&stcClkFreq);
- if (cfg->max_hz >= stcClkFreq.pclk1Freq / 2u)
- {
- stcSpiInit.u32BaudRatePrescaler = SPI_BR_PCLK1_DIV2;
- }
- else if (cfg->max_hz >= stcClkFreq.pclk1Freq / 4u)
- {
- stcSpiInit.u32BaudRatePrescaler = SPI_BR_PCLK1_DIV4;
- }
- else if (cfg->max_hz >= stcClkFreq.pclk1Freq / 8u)
- {
- stcSpiInit.u32BaudRatePrescaler = SPI_BR_PCLK1_DIV8;
- }
- else if (cfg->max_hz >= stcClkFreq.pclk1Freq / 16u)
- {
- stcSpiInit.u32BaudRatePrescaler = SPI_BR_PCLK1_DIV16;
- }
- else if (cfg->max_hz >= stcClkFreq.pclk1Freq / 32u)
- {
- stcSpiInit.u32BaudRatePrescaler = SPI_BR_PCLK1_DIV32;
- }
- else if (cfg->max_hz >= stcClkFreq.pclk1Freq / 64u)
- {
- stcSpiInit.u32BaudRatePrescaler = SPI_BR_PCLK1_DIV64;
- }
- else if (cfg->max_hz >= stcClkFreq.pclk1Freq / 128u)
- {
- stcSpiInit.u32BaudRatePrescaler = SPI_BR_PCLK1_DIV128;
- }
- else if (cfg->max_hz >= stcClkFreq.pclk1Freq / 256u)
- {
- stcSpiInit.u32BaudRatePrescaler = SPI_BR_PCLK1_DIV256;
- }
- /* spi port init */
- hc32_board_spi_init(spi_handle, cfg->mode);
- if (Ok != SPI_Init(spi_handle, &stcSpiInit))
- {
- return RT_EIO;
- }
- /* DMA configuration */
- if (spi_drv->spi_dma_flag & RT_DEVICE_FLAG_DMA_RX)
- {
- struct dma_config *spi_dma;
- stc_dma_init_t stcDmaInit;
- /* Get spi dma_rx */
- spi_dma = spi_drv->config->dma_rx;
- /* Config Dma */
- DMA_StructInit(&stcDmaInit);
- stcDmaInit.u32IntEn = DMA_INT_ENABLE;
- stcDmaInit.u32BlockSize = 1UL;
- stcDmaInit.u32TransCnt = 0;
- stcDmaInit.u32DestAddr = 0;
- stcDmaInit.u32SrcAddr = (uint32_t)(&spi_handle->DR);
- stcDmaInit.u32SrcInc = DMA_SRC_ADDR_FIX;
- stcDmaInit.u32DestInc = DMA_DEST_ADDR_INC;
- if (8u >= cfg->data_width)
- {
- stcDmaInit.u32DataWidth = DMA_DATAWIDTH_8BIT;
- }
- else if (16u >= cfg->data_width)
- {
- stcDmaInit.u32DataWidth = DMA_DATAWIDTH_16BIT;
- }
- else
- {
- stcDmaInit.u32DataWidth = DMA_DATAWIDTH_32BIT;
- }
- /* Enable Dma clock gate */
- if (M4_DMA1 == spi_dma->Instance)
- {
- PWC_Fcg0PeriphClockCmd(PWC_FCG0_DMA1, Enable);
- }
- else
- {
- PWC_Fcg0PeriphClockCmd(PWC_FCG0_DMA2, Enable);
- }
- /* Init Dma */
- if (Ok != DMA_Init(spi_dma->Instance, spi_dma->channel, &stcDmaInit))
- {
- return RT_EIO;
- }
- /* register interrupt */
- hc32_install_irq_handler(&spi_dma->irq_config,
- spi_irq_handlers[get_spi_index(spi_handle)].rx_dma_irq_handler,
- RT_TRUE);
- /* Enable Dma */
- DMA_Cmd(spi_dma->Instance, Enable);
- }
- if (spi_drv->spi_dma_flag & RT_DEVICE_FLAG_DMA_TX)
- {
- struct dma_config *spi_dma;
- stc_dma_init_t stcDmaInit;
- /* Get spi dma_tx */
- spi_dma = spi_drv->config->dma_tx;
- /* Config Dma */
- DMA_StructInit(&stcDmaInit);
- stcDmaInit.u32IntEn = DMA_INT_ENABLE;
- stcDmaInit.u32BlockSize = 1UL;
- stcDmaInit.u32TransCnt = 0;
- stcDmaInit.u32DestAddr = (uint32_t)(&spi_handle->DR);;
- stcDmaInit.u32SrcAddr = 0;
- stcDmaInit.u32SrcInc = DMA_SRC_ADDR_INC;
- stcDmaInit.u32DestInc = DMA_DEST_ADDR_FIX;
- if (8u >= cfg->data_width)
- {
- stcDmaInit.u32DataWidth = DMA_DATAWIDTH_8BIT;
- }
- else if (16u >= cfg->data_width)
- {
- stcDmaInit.u32DataWidth = DMA_DATAWIDTH_16BIT;
- }
- else
- {
- stcDmaInit.u32DataWidth = DMA_DATAWIDTH_32BIT;
- }
- /* Enable Dma clock gate */
- if (M4_DMA1 == spi_dma->Instance)
- {
- PWC_Fcg0PeriphClockCmd(PWC_FCG0_DMA1 | PWC_FCG0_AOS, Enable);
- }
- else
- {
- PWC_Fcg0PeriphClockCmd(PWC_FCG0_DMA2 | PWC_FCG0_AOS, Enable);
- }
- /* Init Dma */
- if (Ok != DMA_Init(spi_dma->Instance, spi_dma->channel, &stcDmaInit))
- {
- return RT_EIO;
- }
- /* register interrupt */
- hc32_install_irq_handler(&spi_dma->irq_config,
- spi_irq_handlers[get_spi_index(spi_handle)].tx_dma_irq_handler,
- RT_TRUE);
- /* Enable Dma */
- DMA_Cmd(spi_dma->Instance, Enable);
- }
- return RT_EOK;
- }
- static void hc32_spi_deinit(struct hc32_spi *spi_drv)
- {
- M4_SPI_TypeDef *spi_handle = spi_drv->handle.Instance;
- SPI_DeInit(spi_handle);
- /* Disable spi clock gate */
- PWC_Fcg1PeriphClockCmd(get_spi_fcg(spi_handle), Disable);
- }
- static rt_err_t hc32_spi_dma(struct hc32_spi_config *spi_dma, const uint8_t *pvTxBuf, void *pvRxBuf, uint32_t u32Length)
- {
- if (RT_NULL == pvTxBuf)
- {
- DMA_SetDestAddr(spi_dma->dma_rx->Instance, spi_dma->dma_rx->channel, (uint32_t)pvRxBuf);
- DMA_SetTransCnt(spi_dma->dma_rx->Instance, spi_dma->dma_rx->channel, u32Length);
- DMA_SetTriggerSrc(spi_dma->dma_rx->Instance, spi_dma->dma_rx->channel,spi_dma->dma_rx->trigger_evt_src);
- DMA_ChannelCmd(spi_dma->dma_rx->Instance, spi_dma->dma_rx->channel, Enable);
- }
- else if (RT_NULL == pvRxBuf)
- {
- DMA_SetSrcAddr(spi_dma->dma_tx->Instance, spi_dma->dma_tx->channel, (uint32_t)pvTxBuf);
- DMA_SetTransCnt(spi_dma->dma_tx->Instance, spi_dma->dma_tx->channel, u32Length);
- DMA_SetTriggerSrc(spi_dma->dma_tx->Instance, spi_dma->dma_tx->channel,spi_dma->dma_tx->trigger_evt_src);
- DMA_ChannelCmd(spi_dma->dma_tx->Instance, spi_dma->dma_tx->channel, Enable);
- }
- else
- {
- DMA_SetDestAddr(spi_dma->dma_rx->Instance, spi_dma->dma_rx->channel, (uint32_t)pvRxBuf);
- DMA_SetTransCnt(spi_dma->dma_rx->Instance, spi_dma->dma_rx->channel, u32Length);
- DMA_SetTriggerSrc(spi_dma->dma_rx->Instance, spi_dma->dma_rx->channel,spi_dma->dma_rx->trigger_evt_src);
- DMA_SetSrcAddr(spi_dma->dma_tx->Instance, spi_dma->dma_tx->channel, (uint32_t)pvTxBuf);
- DMA_SetTransCnt(spi_dma->dma_tx->Instance, spi_dma->dma_tx->channel, u32Length);
- DMA_SetTriggerSrc(spi_dma->dma_tx->Instance, spi_dma->dma_tx->channel,spi_dma->dma_tx->trigger_evt_src);
- DMA_ChannelCmd(spi_dma->dma_tx->Instance, spi_dma->dma_tx->channel, Enable);
- DMA_ChannelCmd(spi_dma->dma_rx->Instance, spi_dma->dma_rx->channel, Enable);
- }
- SPI_FunctionCmd(spi_dma->Instance, Enable);
- return RT_EOK;
- }
- static struct rt_spi_ops hc32_spi_ops =
- {
- .configure = hc32_spi_configure,
- .xfer = hc32_spi_xfer,
- };
- static rt_err_t hc32_spi_configure(struct rt_spi_device *device,
- struct rt_spi_configuration *configuration)
- {
- RT_ASSERT(device != RT_NULL);
- RT_ASSERT(configuration != RT_NULL);
- struct hc32_spi *spi_drv = rt_container_of(device->bus, struct hc32_spi, spi_bus);
- spi_drv->cfg = configuration;
- return hc32_spi_init(spi_drv, configuration);
- }
- static rt_uint32_t hc32_spi_xfer(struct rt_spi_device *device, struct rt_spi_message *message)
- {
- rt_uint8_t state;
- rt_size_t message_length, already_send_length;
- rt_uint16_t send_length;
- rt_uint8_t *recv_buf;
- const rt_uint8_t *send_buf;
- RT_ASSERT(device != RT_NULL);
- RT_ASSERT(device->bus != RT_NULL);
- RT_ASSERT(device->bus->parent.user_data != RT_NULL);
- RT_ASSERT(message != RT_NULL);
- struct hc32_spi *spi_drv = rt_container_of(device->bus, struct hc32_spi, spi_bus);
- SPI_HandleType *spi_handle = &spi_drv->handle;
- struct hc32_hw_spi_cs *cs = device->parent.user_data;
- if (message->cs_take)
- {
- GPIO_ResetPins(cs->port, cs->pin);
- }
- message_length = message->length;
- recv_buf = message->recv_buf;
- send_buf = message->send_buf;
- while (message_length)
- {
- if (message_length > 65535)
- {
- send_length = 65535;
- message_length = message_length - 65535;
- }
- else
- {
- send_length = message_length;
- message_length = 0;
- }
- /* calculate the start address */
- already_send_length = message->length - send_length - message_length;
- send_buf = (rt_uint8_t *)message->send_buf + already_send_length;
- recv_buf = (rt_uint8_t *)message->recv_buf + already_send_length;
- if(message->send_buf && message->recv_buf)
- {
- if ((spi_drv->spi_dma_flag & RT_DEVICE_FLAG_DMA_TX) && (spi_drv->spi_dma_flag & RT_DEVICE_FLAG_DMA_RX))
- {
- state = hc32_spi_dma(spi_drv->config, send_buf, recv_buf, send_length);
- }
- else
- {
- SPI_FunctionCmd(spi_handle->Instance, Enable);
- state = SPI_TransmitReceive(spi_handle->Instance, send_buf, recv_buf, send_length);
- }
- }
- else if(message->send_buf)
- {
- if (spi_drv->spi_dma_flag & RT_DEVICE_FLAG_DMA_TX)
- {
- state = hc32_spi_dma(spi_drv->config, send_buf, RT_NULL, send_length);
- }
- else
- {
- SPI_FunctionCmd(spi_handle->Instance, Enable);
- state = SPI_Transmit(spi_handle->Instance, send_buf, send_length);
- }
- if (message->cs_release && (device->config.mode & RT_SPI_3WIRE))
- {
- SPI_FunctionCmd(spi_handle->Instance, Disable);
- }
- }
- else
- {
- rt_memset((uint8_t *)recv_buf, 0xff, send_length);
- if (spi_drv->spi_dma_flag & RT_DEVICE_FLAG_DMA_RX)
- {
- state = hc32_spi_dma(spi_drv->config, RT_NULL, recv_buf, send_length);
- }
- else
- {
- SPI_FunctionCmd(spi_handle->Instance, Enable);
- state = SPI_Receive(spi_handle->Instance, recv_buf, send_length);
- }
- }
- if(state != RT_EOK)
- {
- message->length = 0;
- }
- /* wait spi transfer complete */
- while(Reset != SPI_GetStatus(spi_handle->Instance, SPI_FLAG_IDLE));
- }
- if (message->cs_release)
- {
- GPIO_SetPins(cs->port, cs->pin);
- }
- return message->length;
- }
- /**
- * Attach the spi device to SPI bus, this function must be used after initialization.
- */
- rt_err_t hc32_hw_spi_device_attach(const char *bus_name,
- const char *device_name,
- uint8_t cs_gpio_port,
- uint16_t cs_gpio_pin)
- {
- RT_ASSERT(bus_name != RT_NULL);
- RT_ASSERT(device_name != RT_NULL);
- rt_err_t result;
- struct rt_spi_device *spi_device;
- struct hc32_hw_spi_cs *cs_pin;
- stc_gpio_init_t stcGpioInit;
- GPIO_StructInit(&stcGpioInit);
- stcGpioInit.u16PinState = PIN_STATE_SET;
- stcGpioInit.u16PinDir = PIN_DIR_OUT;
- stcGpioInit.u16PullUp = PIN_PU_ON;
- stcGpioInit.u16PinDrv = PIN_DRV_HIGH;
- GPIO_Init(SPI1_NSS_PORT, SPI1_NSS_PIN, &stcGpioInit);
- /* 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 hc32_hw_spi_cs *)rt_malloc(sizeof(struct hc32_hw_spi_cs));
- RT_ASSERT(cs_pin != RT_NULL);
- cs_pin->port = cs_gpio_port;
- cs_pin->pin = cs_gpio_pin;
- result = rt_spi_bus_attach_device(spi_device, device_name, bus_name, (void *)cs_pin);
- return result;
- }
- static int hc32_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;
- result = rt_spi_bus_register(&spi_bus_obj[i].spi_bus, spi_config[i].bus_name, &hc32_spi_ops);
- }
- return result;
- }
- /**
- * @brief Clear DMA transfer complete flag.
- * @param dma specific dam witch spi used.
- * @retval None
- */
- static void hc32_dma_irq_handle(struct dma_config *dma)
- {
- dma->Instance->INTCLR1 |= (1u << dma->channel);
- }
- #if defined(BSP_USING_SPI1)
- /**
- * @brief This function handles DMA Rx complete interrupt request.
- * @param None
- * @retval None
- */
- static void spi1_rx_dma_irq_handle(void)
- {
- #if defined(BSP_SPI1_RX_USING_DMA)
- /* enter interrupt */
- rt_interrupt_enter();
- hc32_dma_irq_handle(spi_config[SPI1_INDEX].dma_rx);
- SPI_FunctionCmd(spi_config[SPI1_INDEX].Instance, Disable);
- /* leave interrupt */
- rt_interrupt_leave();
- #endif /* BSP_SPI1_RX_USING_DMA */
- }
- /**
- * @brief This function handles DMA Tx complete interrupt request.
- * @param None
- * @retval None
- */
- static void spi1_tx_dma_irq_handle(void)
- {
- #if defined(BSP_SPI1_TX_USING_DMA)
- /* enter interrupt */
- rt_interrupt_enter();
- hc32_dma_irq_handle(spi_config[SPI1_INDEX].dma_tx);
- /* leave interrupt */
- rt_interrupt_leave();
- #endif /* BSP_SPI1_TX_USING_DMA */
- }
- #endif /* BSP_USING_SPI1 */
- #if defined(BSP_USING_SPI2)
- /**
- * @brief This function handles DMA Rx complete interrupt request.
- * @param None
- * @retval None
- */
- static void spi2_rx_dma_irq_handle(void)
- {
- #if defined(BSP_SPI2_RX_USING_DMA)
- /* enter interrupt */
- rt_interrupt_enter();
- hc32_dma_irq_handle(spi_config[SPI2_INDEX].dma_rx);
- SPI_FunctionCmd(spi_config[SPI2_INDEX].Instance, Disable);
- /* leave interrupt */
- rt_interrupt_leave();
- #endif /* BSP_SPI2_RX_USING_DMA */
- }
- /**
- * @brief This function handles DMA Tx complete interrupt request.
- * @param None
- * @retval None
- */
- static void spi2_tx_dma_irq_handle(void)
- {
- #if defined(BSP_SPI2_TX_USING_DMA)
- /* enter interrupt */
- rt_interrupt_enter();
- hc32_dma_irq_handle(spi_config[SPI2_INDEX].dma_tx);
- /* leave interrupt */
- rt_interrupt_leave();
- #endif /* BSP_SPI2_TX_USING_DMA */
- }
- #endif /* BSP_USING_SPI2 */
- #if defined(BSP_USING_SPI3)
- /**
- * @brief This function handles DMA Rx complete interrupt request.
- * @param None
- * @retval None
- */
- static void spi3_rx_dma_irq_handle(void)
- {
- #if defined(BSP_SPI3_RX_USING_DMA)
- /* enter interrupt */
- rt_interrupt_enter();
- hc32_dma_irq_handle(spi_config[SPI3_INDEX].dma_rx);
- SPI_FunctionCmd(spi_config[SPI3_INDEX].Instance, Disable);
- /* leave interrupt */
- rt_interrupt_leave();
- #endif /* BSP_SPI3_RX_USING_DMA */
- }
- /**
- * @brief This function handles DMA Tx complete interrupt request.
- * @param None
- * @retval None
- */
- static void spi3_tx_dma_irq_handle(void)
- {
- #if defined(BSP_SPI3_TX_USING_DMA)
- /* enter interrupt */
- rt_interrupt_enter();
- hc32_dma_irq_handle(spi_config[SPI3_INDEX].dma_tx);
- /* leave interrupt */
- rt_interrupt_leave();
- #endif /* BSP_SPI3_TX_USING_DMA */
- }
- #endif /* BSP_USING_SPI3 */
- #if defined(BSP_USING_SPI4)
- /**
- * @brief This function handles DMA Rx complete interrupt request.
- * @param None
- * @retval None
- */
- static void spi4_rx_dma_irq_handle(void)
- {
- #if defined(BSP_SPI4_RX_USING_DMA)
- /* enter interrupt */
- rt_interrupt_enter();
- hc32_dma_irq_handle(spi_config[SPI4_INDEX].dma_rx);
- SPI_FunctionCmd(spi_config[SPI4_INDEX].Instance, Disable);
- /* leave interrupt */
- rt_interrupt_leave();
- #endif /* BSP_SPI4_RX_USING_DMA */
- }
- /**
- * @brief This function handles DMA Tx complete interrupt request.
- * @param None
- * @retval None
- */
- static void spi4_tx_dma_irq_handle(void)
- {
- #if defined(BSP_SPI4_TX_USING_DMA)
- /* enter interrupt */
- rt_interrupt_enter();
- hc32_dma_irq_handle(spi_config[SPI4_INDEX].dma_tx);
- /* leave interrupt */
- rt_interrupt_leave();
- #endif /* BSP_SPI4_TX_USING_DMA */
- }
- #endif /* BSP_USING_SPI4 */
- #if defined(BSP_USING_SPI5)
- /**
- * @brief This function handles DMA Rx complete interrupt request.
- * @param None
- * @retval None
- */
- static void spi5_rx_dma_irq_handle(void)
- {
- #if defined(BSP_SPI5_RX_USING_DMA)
- /* enter interrupt */
- rt_interrupt_enter();
- hc32_dma_irq_handle(spi_config[SPI5_INDEX].dma_rx);
- SPI_FunctionCmd(spi_config[SPI5_INDEX].Instance, Disable);
- /* leave interrupt */
- rt_interrupt_leave();
- #endif /* BSP_SPI5_RX_USING_DMA */
- }
- /**
- * @brief This function handles DMA Tx complete interrupt request.
- * @param None
- * @retval None
- */
- static void spi5_tx_dma_irq_handle(void)
- {
- #if defined(BSP_SPI5_TX_USING_DMA)
- /* enter interrupt */
- rt_interrupt_enter();
- hc32_dma_irq_handle(spi_config[SPI5_INDEX].dma_tx);
- /* leave interrupt */
- rt_interrupt_leave();
- #endif /* BSP_SPI5_TX_USING_DMA */
- }
- #endif /* BSP_USING_SPI5 */
- #if defined(BSP_USING_SPI6)
- /**
- * @brief This function handles DMA Rx complete interrupt request.
- * @param None
- * @retval None
- */
- static void spi6_rx_dma_irq_handle(void)
- {
- #if defined(BSP_SPI6_RX_USING_DMA)
- /* enter interrupt */
- rt_interrupt_enter();
- hc32_dma_irq_handle(spi_config[SPI6_INDEX].dma_rx);
- SPI_FunctionCmd(spi_config[SPI6_INDEX].Instance, Disable);
- /* leave interrupt */
- rt_interrupt_leave();
- #endif /* BSP_SPI6_RX_USING_DMA */
- }
- /**
- * @brief This function handles DMA Tx complete interrupt request.
- * @param None
- * @retval None
- */
- static void spi6_tx_dma_irq_handle(void)
- {
- #if defined(BSP_SPI6_TX_USING_DMA)
- /* enter interrupt */
- rt_interrupt_enter();
- hc32_dma_irq_handle(spi_config[SPI6_INDEX].dma_tx);
- /* leave interrupt */
- rt_interrupt_leave();
- #endif /* BSP_SPI6_TX_USING_DMA */
- }
- #endif /* BSP_USING_SPI6 */
- /**
- * @brief This function gets dma witch spi used infomation include unit,
- * channel, interrupt etc.
- * @param None
- * @retval None
- */
- static void hc32_get_dma_info(void)
- {
- #ifdef BSP_SPI1_RX_USING_DMA
- spi_bus_obj[SPI1_INDEX].spi_dma_flag |= RT_DEVICE_FLAG_DMA_RX;
- 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 |= RT_DEVICE_FLAG_DMA_TX;
- 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 |= RT_DEVICE_FLAG_DMA_RX;
- 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 |= RT_DEVICE_FLAG_DMA_TX;
- 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 |= RT_DEVICE_FLAG_DMA_RX;
- 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 |= RT_DEVICE_FLAG_DMA_TX;
- 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 |= RT_DEVICE_FLAG_DMA_RX;
- 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 |= RT_DEVICE_FLAG_DMA_TX;
- 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 |= RT_DEVICE_FLAG_DMA_RX;
- 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 |= RT_DEVICE_FLAG_DMA_TX;
- 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 |= RT_DEVICE_FLAG_DMA_RX;
- 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 |= RT_DEVICE_FLAG_DMA_TX;
- static struct dma_config spi6_dma_tx = SPI6_TX_DMA_CONFIG;
- spi_config[SPI6_INDEX].dma_tx = &spi6_dma_tx;
- #endif
- }
- int hc32_hw_spi_init(void)
- {
- hc32_get_dma_info();
- return hc32_hw_spi_bus_init();
- }
- INIT_BOARD_EXPORT(hc32_hw_spi_init);
- #endif /* BSP_USING_SPI */
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