- /**
- * [url=home.php?mod=space&uid=247401]@brief[/url] SPI write 1 byte
- * @param dat,8bit
- * @retval None
- */
- void SPI_WriteByte(uchar8_t dat)
- {
- uchar8_t i = 0;
- for (i = 0; i < 8; i++) {
- ADC_SPI_MOSI = dat >> 7;
- dat <<= 1;
- ADC_SPI_CLK = 1;
- ADC_SPI_CLK = 0;
- }
- }
- /**
- * @brief SPI Read 1 byte
- * @param None
- * @retval data
- */
- uchar8_t SPI_ReadByte(void)
- {
- uchar8_t i = 0;
- uchar8_t val = 0;
-
- for (i = 0; i < 8; i++) {
- ADC_SPI_CLK = 1;
- ADC_SPI_CLK = 0;
-
- val <<= 1;
- val |= ADC_SPI_MISO;
- }
- return val;
- }
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