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81 lines
1.6 KiB
81 lines
1.6 KiB
/*
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* Copyright (c) 2006-2025, 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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* 2021-12-20 BruceOu first implementation
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* 2025-10-10 WangShun compatible with RT-Studio
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*/
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#ifndef __DRV_SPI_H__
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#define __DRV_SPI_H__
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#include <rthw.h>
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#include <rtthread.h>
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#include <rtdevice.h>
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#include <board.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define RT_SPI_USING_DMA
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#if !defined(SOC_SERIES_GD32H7xx) && !defined(SOC_SERIES_GD32H75E)
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#undef RT_SPI_USING_DMA
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#endif
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struct gd32_spi_cs
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{
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uint32_t GPIOx;
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uint32_t GPIO_Pin;
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};
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#ifdef RT_SPI_USING_DMA
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typedef struct
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{
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/* dma peripheral */
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uint32_t dma_periph;
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/* dma txchannel */
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dma_channel_enum txdma_ch;
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/* dma rxchannel */
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dma_channel_enum rxdma_ch;
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/* tx dma request */
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uint32_t dma_mux_req_tx;
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/* rx dma request */
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uint32_t dma_mux_req_rx;
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/* dma flag */
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uint32_t rx_flag;
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/* setting receive len */
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rt_size_t setting_recv_len;
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} gd32_spi_dma;
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#endif
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/* gd32 spi dirver class */
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struct gd32_spi
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{
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uint32_t spi_periph;
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char *bus_name;
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rcu_periph_enum spi_clk;
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struct rt_spi_bus *spi_bus;
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const char *sck_pin_name; /* sck pin name */
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const char *miso_pin_name; /* miso pin name */
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const char *mosi_pin_name; /* mosi pin name */
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const char *alternate; /* afio mode */
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#ifdef RT_SPI_USING_DMA
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gd32_spi_dma *spi_dma;
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#endif
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};
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rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, rt_base_t cs_pin);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __DRV_SPI_H__ */
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