forked from xuos/xiuos
79 lines
1.6 KiB
C
79 lines
1.6 KiB
C
/*
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* Copyright (c) 2020 AIIT XUOS Lab
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* XiUOS is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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/**
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* @file connect_spi.h
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* @brief define aiit-arm32-board spi function and struct
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* @version 1.0
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* @author AIIT XUOS Lab
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* @date 2021-04-25
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*/
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#ifndef CONNECT_SPI_H
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#define CONNECT_SPI_H
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#include <device.h>
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#include <hardware_spi.h>
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#include <hardware_dma.h>
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#include <stm32f4xx.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define SPI_USING_RX_DMA_FLAG (1<<0)
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#define SPI_USING_TX_DMA_FLAG (1<<1)
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struct Stm32HwSpiCs
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{
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GPIO_TypeDef* GPIOx;
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uint16_t GPIO_Pin;
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};
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struct Stm32SpiDma
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{
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uint32_t dma_rcc;
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DMA_Stream_TypeDef *instance;
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uint32 channel;
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IRQn_Type dma_irq;
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DMA_InitTypeDef init;
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x_size_t setting_len;
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x_size_t last_index;
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};
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struct Stm32Spi
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{
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SPI_TypeDef *instance;
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char *bus_name;
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SPI_InitTypeDef init;
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struct
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{
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struct Stm32SpiDma dma_rx;
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struct Stm32SpiDma dma_tx;
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}dma;
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uint8 spi_dma_flag;
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struct SpiBus spi_bus;
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};
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int Stm32HwSpiInit(void);
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x_err_t HwSpiDeviceAttach(const char *bus_name, const char *device_name, GPIO_TypeDef *cs_gpiox, uint16_t cs_gpio_pin);
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#ifdef __cplusplus
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}
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#endif
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#endif
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