/*
 * drv_spi.c
 *
 *  Created on: Jun 28, 2023
 *      Author: gxms0
 */

#include "drv_spi.h"




void spi_init(SPI_ptr ptr)
{

}

void spi_config(SPI_ptr ptr, SPI_TypeDef *SPI, GPIO_TypeDef *GPIO_MOSI, uint32_t Pin_MOSI, GPIO_TypeDef *GPIO_MISO, uint32_t Pin_MISO, GPIO_TypeDef *GPIO_SCK, uint32_t Pin_SCK,
        uint32_t GPIO_Remap)
{
    GPIO_InitTypeDef  GPIO_InitStructure  = {0};
    SPI_InitTypeDef SPI_InitStructure={0};
    DMA_InitTypeDef   DMA_InitStructure   = {0};
    NVIC_InitTypeDef  NVIC_InitStructure  = {0};
    uint32_t RCC_Periph = RCC_APB2Periph_SPI1;

    ptr->SPI = SPI;
    ptr->GPIO_MOSI = GPIO_MOSI;
    ptr->GPIO_MISO = GPIO_MISO;
    ptr->GPIO_SCK = GPIO_SCK;

    ptr->Pin_MOSI = Pin_MOSI;
    ptr->Pin_MISO = Pin_MISO;
    ptr->Pin_SCK = Pin_SCK;

    RCC_APB2PeriphClockCmd( RCC_APB2Periph_AFIO, ENABLE );

    if(ptr->SPI == SPI1){RCC_Periph = RCC_APB2Periph_SPI1;RCC_APB2PeriphClockCmd(RCC_Periph, ENABLE);}
    else if(ptr->SPI == SPI2){RCC_Periph = RCC_APB1Periph_SPI2;RCC_APB1PeriphClockCmd(RCC_Periph, ENABLE);}

    //初始化IO口
    //init mosi
    if(ptr->GPIO_MOSI == GPIOA)RCC_Periph = RCC_APB2Periph_GPIOA;
    else if(ptr->GPIO_MOSI == GPIOB)RCC_Periph = RCC_APB2Periph_GPIOB;
    else if(ptr->GPIO_MOSI == GPIOC)RCC_Periph = RCC_APB2Periph_GPIOC;
    else if(ptr->GPIO_MOSI == GPIOD)RCC_Periph = RCC_APB2Periph_GPIOD;
    else if(ptr->GPIO_MOSI == GPIOE)RCC_Periph = RCC_APB2Periph_GPIOE;
    RCC_APB2PeriphClockCmd(RCC_Periph, ENABLE);

    GPIO_InitStructure.GPIO_Pin = ptr->Pin_MOSI;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(ptr->GPIO_MOSI, &GPIO_InitStructure);

    //init miso
    if(ptr->GPIO_MISO == GPIOA)RCC_Periph = RCC_APB2Periph_GPIOA;
    else if(ptr->GPIO_MISO == GPIOB)RCC_Periph = RCC_APB2Periph_GPIOB;
    else if(ptr->GPIO_MISO == GPIOC)RCC_Periph = RCC_APB2Periph_GPIOC;
    else if(ptr->GPIO_MISO == GPIOD)RCC_Periph = RCC_APB2Periph_GPIOD;
    else if(ptr->GPIO_MISO == GPIOE)RCC_Periph = RCC_APB2Periph_GPIOE;
    RCC_APB2PeriphClockCmd(RCC_Periph, ENABLE);

    GPIO_InitStructure.GPIO_Pin = ptr->Pin_MISO;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(ptr->GPIO_MISO, &GPIO_InitStructure);

    //init sck
    if(ptr->GPIO_SCK == GPIOA)RCC_Periph = RCC_APB2Periph_GPIOA;
    else if(ptr->GPIO_SCK == GPIOB)RCC_Periph = RCC_APB2Periph_GPIOB;
    else if(ptr->GPIO_SCK == GPIOC)RCC_Periph = RCC_APB2Periph_GPIOC;
    else if(ptr->GPIO_SCK == GPIOD)RCC_Periph = RCC_APB2Periph_GPIOD;
    else if(ptr->GPIO_SCK == GPIOE)RCC_Periph = RCC_APB2Periph_GPIOE;
    RCC_APB2PeriphClockCmd(RCC_Periph, ENABLE);

    GPIO_InitStructure.GPIO_Pin = ptr->Pin_SCK;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(ptr->GPIO_SCK, &GPIO_InitStructure);


    //init peripheral
    SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
    SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
    SPI_InitStructure.SPI_DataSize = SPI_DataSize_16b;
    SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
    SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
    SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
    SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_64;
    SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_LSB;
    SPI_InitStructure.SPI_CRCPolynomial = 7;
    SPI_Init( ptr->SPI, &SPI_InitStructure );

    //init dma


    //init nvic
    uint8_t NVIC_IRQChannel = USART1_IRQn;

    if(ptr->SPI == SPI1)NVIC_IRQChannel = SPI1_IRQn;
    else if(ptr->SPI == SPI2)NVIC_IRQChannel = SPI2_IRQn;

    NVIC_InitStructure.NVIC_IRQChannel = NVIC_IRQChannel;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);

    SPI_I2S_ITConfig(ptr->SPI, SPI_I2S_IT_RXNE, ENABLE);//读取数据,收到数据

    //SPI_I2S_ITConfig(ptr->SPI, SPI_I2S_IT_IDLE, ENABLE);//读取整包数据（读取fifo）

    SPI_I2S_ITConfig(ptr->SPI, SPI_I2S_IT_TXE, DISABLE);//发送可以不开中断，只要传到dma即可


    SPI_Cmd( ptr->SPI, ENABLE );

}


//SPI读写比较特殊，用到再说

void spi_read(SPI_ptr ptr,unsigned char *buff,const unsigned int len)
{
//数字长于2字节就用 DMA，IT，数字短就用阻塞模式





}


void spi_write(SPI_ptr ptr,const unsigned char *buff,const unsigned int len)
{
    GPIO_WriteBit(ptr->GPIO_CS, ptr->Pin_CS, Bit_RESET);






    GPIO_WriteBit(ptr->GPIO_CS, ptr->Pin_CS, Bit_SET);
}