UART.rar_rffc2071

#include <stdio.h> //#include "xspi_l.h" #include "xparameters.h" #include "xspi.h" #define SPI_DEVICE_ID XPAR_AXI_SPI_0_DEVICE_ID static XSpi axi_spi_0; void print(char *str); /*********************** All Functions Definitions ********************/ /* * spi_init function: to initialize SPI device before transfer data. Trigger on rising edge of SCLK */ void spi_init(void) { XStatus status = XST_SUCCESS; status = XSpi_Initialize(&axi_spi_0, SPI_DEVICE_ID); switch(status) { case XST_SUCCESS: xil_printf("Status: The device is initialized successfully!\n\r"); break; case XST_DEVICE_IS_STARTED: xil_printf("Status: The device is started!\n\r"); break; case XST_DEVICE_NOT_FOUND: xil_printf("Status: The device was not found in the configuration such that initialization could not be accomplished!\n\r"); break; } Xuint32 options = XSP_MASTER_OPTION | XSP_MANUAL_SSELECT_OPTION; // There is no burr when SS is in LOW LEVEL. status = XSpi_SetOptions(&axi_spi_0, options); switch(status) { case XST_SUCCESS: xil_printf("Status: Options are successfully set!\n\r"); break; case XST_DEVICE_BUSY: xil_printf("Status: The device is currently transferring data!\n\r"); break; case XST_SPI_SLAVE_ONLY: xil_printf("Status: It is a slave-only device !\n\r"); break; } XSpi_SetSlaveSelect(&axi_spi_0, SPI_DEVICE_ID); // Set Slave Select Bit manually. XSpi_Start(&axi_spi_0); // Start the SPI driver so that the device is enabled. XSpi_IntrGlobalDisable(&axi_spi_0); } void spi_config() { /* Define variable */ Xuint8 i=0; XStatus status = XST_SUCCESS; //lmk0431 trigger at the raise edge, 32 bits instruction(including address and data) Xuint32 LMK0431_cfg_data[18]={ 0x00000017, 0x00000007, 0x01030200, 0x01230201, 0x01030402, 0x01230403, 0x01030204, 0x00000005, 0x08000076, 0x00000007, 0x00000008, 0x00A22A09, 0x0150000A, 0x0065000B, 0x0000000C, 0x0A35487D, 0x026D001E, 0x1D40008F}; /* Initialize SPI Device. */ xil_printf("SPI Configuration Program starts!\n\r"); /* Configure LMK0431 */ XSpi_SetSlaveSelect(&axi_spi_0,1); // Set Slave Select Bit manually. for(i=0; i<18; i++) { status = XSpi_Transfer(&axi_spi_0, &LMK0431_cfg_data[i], NULL, 4); } switch(status) { case XST_SUCCESS: xil_printf("configure LMK0431 successfully!\n\r"); break; case XST_DEVICE_IS_STOPPED: xil_printf("Status: The device is stopped!\n\r"); break; case XST_DEVICE_BUSY: xil_printf("Status: The device is busy!\n\r"); break; case XST_SPI_NO_SLAVE: xil_printf("Status: No slave was selected!\n\r"); break; } } int main() { spi_init(); spi_config(); /*XSpi_WriteReg(0x80014000, 0x70, 0xFFFFFFFE); XSpi_WriteReg(0x80014000, 0x68, 0x00000017); XSpi_WriteReg(0x80014000, 0x68, 0x00000007); XSpi_WriteReg(0x80014000, 0x68, 0x01030200); XSpi_WriteReg(0x80014000, 0x68, 0x01230201); XSpi_WriteReg(0x80014000, 0x68, 0x01030402); XSpi_WriteReg(0x80014000, 0x68, 0x01230403); XSpi_WriteReg(0x80014000, 0x68, 0x01030204); XSpi_WriteReg(0x80014000, 0x68, 0x00000005); XSpi_WriteReg(0x80014000, 0x68, 0x08000076); XSpi_WriteReg(0x80014000, 0x68, 0x00000007); XSpi_WriteReg(0x80014000, 0x68, 0x00000008); XSpi_WriteReg(0x80014000, 0x68, 0x00A22A09); XSpi_WriteReg(0x80014000, 0x68, 0x0150000A); XSpi_WriteReg(0x80014000, 0x68, 0x0065000B); XSpi_WriteReg(0x80014000, 0x68, 0x0000000C); XSpi_WriteReg(0x80014000, 0x68, 0x0A35487D); XSpi_WriteReg(0x80014000, 0x68, 0x026D001E); XSpi_WriteReg(0x80014000, 0x68, 0x1D40008F);*/ return 0; }