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experiphdriver's Issues

使用FM25L16B和STM32 SPI通信的问题,原始代码是错的,应该修改如下

`/* 设置写使能所存器*/
void SetWriteEnableLatchForFM25xxx(FM25ObjectType *fram)
{
uint8_t opCode = FM25_WREN;

fram->ChipSelect(FM25CS_Enable);
fram->Write(&opCode, 1);
fram->ChipSelect(FM25CS_Disable);/*此处应该是DISABLE,好几处这里都需要修改 */

ReadStatusForFM25xxx(fram);

}

/向FM25xxx写入数据/
void WriteBytesToFM25xxx(FM25ObjectType *fram, uint32_t regAddress, uint8_t *wData, uint16_t wSize)
{
uint8_t data[128];
uint8_t temp;
uint16_t index = 0;

data[index++] = FM25_WRITE;

if (fram->memAddLength == FM258BitMemAdd)
{
    data[index++] = (uint8_t)regAddress;

    if ((fram->mode == FM25L04B) || (fram->mode == FM25040B))
    {
        temp = (uint8_t)(regAddress >> 8);
        data[0] |= ((temp & 0x01) << 3);
    }
}
else if (fram->memAddLength == FM2516BitMemAdd)
{
    data[index++] = (uint8_t)(regAddress >> 8);
    data[index++] = (uint8_t)regAddress;
}
else
{
    data[index++] = (uint8_t)(regAddress >> 16);
    data[index++] = (uint8_t)(regAddress >> 8);
    data[index++] = (uint8_t)regAddress;
}

for (int i = 0; i < wSize; i++)
{
    data[index++] = wData[i];
}

if (((fram->status) & 0x0C) != 0x00)
{
    WriteStatusForFM25xx(fram, fram->status & (~FM25_BPALL)); /* 这里应该是去掉写保护,原始代码没有去掉*/
}

if (((fram->status) & 0x02) != 0x02)
{
    SetWriteEnableLatchForFM25xxx(fram);/*去掉写保护后应该再写使能,才能正常写入数据*/
}

fram->ChipSelect(FM25CS_Enable);
fram->Write(data, index);
fram->ChipSelect(FM25CS_Disable);

WriteStatusForFM25xx(fram, fram->status | FM25_BPALL);

}`

查看注释部分

spi

没有上传模拟spi的代码

请求一个示例

您好,我是一个STM32初学者,非常感谢你们出的这一系列外设的驱动,对初学者很友好。我最近在调试AD7192这个数模转换器,用来你们的驱动,但是总是有点小问题,希望您们能在每一个驱动中给出一个示例,来演示如何初始化、如何调用函数,对于我这种小白帮助会很大,谢谢!

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