STM8 SPI主機

硬件平臺：stm8s103
編譯環境：IAR for stm8

//spi初始化
void spiMasterIint(void)
{
    SPI->CR1 = 0x2c;    
    SPI->CR2 = 0x03;
    SPI->CRCPR = 0x07;
    SPI->CR1 |= 0x40;
}

spi接收發送
unsigned char spiRW(unsignde char date)
{
    while(!(SPI->SR&0x02));
    SPI->DR = data;
    while(!(SPI->SR&0x01));
    return SPI->DR;
}