#define RT_SPI_NO_CS (1<<5) /* No chipselect */ #define RT_SPI_3WIRE (1<<6) /* SI/SO pin shared */ #define RT_SPI_READY (1<<7) /* Slave pulls low to pause */ #define RT_SPI_MODE_MASK (RT_SPI_CPHA | RT_SPI_CPOL | RT_SPI_MSB | RT_SPI_SLAVE | RT_SPI_CS_HIGH...
// Wait for TXE bit to set -> This indicactes that the buffer is empty and ready to recieve...
if (!((hspi->State == HAL_SPI_STATE_READY) || \ ((hspi->Init.Mode == SPI_MODE_MASTER...
const int dataReadyPin = 6; const int chipSelectPin = 7; void setup() { Serial.begin(9600); // start the SPI library: SPI.begin(); // initalize the data ready and chip select pins: pinMode(dataReadyPin, INPUT); pinMode(chipSelectPin, OUTPUT); //Configure SCP1000 for low noise co...
rt_pin_write(56, PIN_HIGH);//配置初始化引脚高电平(解除片选)rt_pin_write(57, PIN_HIGH);rt_pin_write(58, PIN_HIGH);rt_pin_write(33, PIN_HIGH);/*这里挂载了四个设备spi2-0,spi2-1,spi2-2,spi2-3*/rt_hw_spi_device_attach("spi2",ICM20602_SPI_DEVICE_NAME, GPIOD, GPIO_PIN_8...
(RT_SPI_CPOL | RT_SPI_CPHA)/* CPOL = 1, CPHA = 1 */#define RT_SPI_CS_HIGH (1<<4)/* Chipselect active high */#define RT_SPI_NO_CS (1<<5)/* No chipselect */#define RT_SPI_3WIRE (1<<6)/* SI/SO pin shared */#define RT_SPI_READY (1<<7)/* Slave pulls low to ...
UCA0CTL0 |= UCCKPL + UCMSB + UCSYNC; // 3-pin, 8-bit SPI master UCA0CTL1 &= ~UCSWRST; // **Initialize USCI state machine** while (!(IFG2 & UCA0TXIFG)); // USCI_A0 TX buffer ready? { UCA0TXBUF = UCA0RXBUF;
#define RT_SPI_3WIRE (1<<6) /* SI/SO pin shared */ #define RT_SPI_READY (1<<7) /* Slave pulls low to pause */ 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 数据宽度/data_width:根据SPI主设备及SPI从设备可发送及接收的数据宽度格式设置为8位...
ready to send/receive data, this code uses a callback to set the handshake pin high. The sender will detect this and start sending a transaction. As soon as the transaction is done, the line gets set low again. *//* Pins in use. The SPI Master can use the GPIO mux, so feel free...
while (!(UCB2IFG&UCTXIFG)); // USCI_A0 TX buffer ready? UCB2TXBUF = 0xff-UCB2RXBUF; // TX -> RXed character break; case 4:break; // Vector 4 - TXIFG default: break; } } 60points 我用示波器看,发现时钟管脚没有输出。