SST26VF064B的状态寄存器读取

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楼主 | 2022-9-2 11:16 | 只看该作者回帖奖励

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SST26VF064B, 状态寄存器, ID, ui, spi

兄弟们，读取flash的JEDEC_ID能够正确发挥0xBF2643，但读取状态寄存器一直返回0xFF。
求助！！！！！！！！！
下面附代码：
static uint8_t Flash_TransferReceiveByte(IN uint8_t TxData)
{
uint16_t spiTxData = (uint16_t)TxData;
uint16_t spiRxData;

spiTransmitAndReceiveData(spiREG4, &g_spi4Config, 1, &spiTxData, &spiRxData);

return (uint8_t)spiRxData;
}

uint32_t Flash_GetJEDEC_ID(void){
uint32_t ID1, ID2, ID3, ID;
CS_ENABLE();
Flash_TransferReceiveByte(JEDEC_ID);
ID1 = Flash_TransferReceiveByte(DUMMY);
ID2 = Flash_TransferReceiveByte(DUMMY);
ID3 = Flash_TransferReceiveByte(DUMMY);
CS_DISABLE();
ID=((ID1<<16)|(ID2<<8)|ID3);
return ID;
}

uint8_t Flash_ReadStaReg(void){
uint8_t StaReg;
CS_ENABLE();
Flash_TransferReceiveByte(RDSR);
Flash_TransferReceiveByte(RDSR);
StaReg = Flash_TransferReceiveByte(DUMMY);
CS_DISABLE();
return StaReg;
}

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