2021-10-15 15:52:40 +02:00

74 lines
1.9 KiB
C

// SPDX-License-Identifier: LGPL-3.0-or-other
// Copyright (C) 2021 Contributors to the SLS Detector Package
#include "ASIC_Driver.h"
#include "clogger.h"
#include "common.h"
#include "sls/sls_detector_defs.h"
#include <getopt.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <linux/spi/spidev.h>
#include <linux/types.h>
#include <string.h>
#include <sys/ioctl.h>
#include <unistd.h>
// defines from the fpga
char ASIC_Driver_DriverFileName[MAX_STR_LENGTH];
void ASIC_Driver_SetDefines(char *driverfname) {
LOG(logINFOBLUE, ("Configuring ASIC Driver to %s\n", driverfname));
memset(ASIC_Driver_DriverFileName, 0, MAX_STR_LENGTH);
strcpy(ASIC_Driver_DriverFileName, driverfname);
}
int ASIC_Driver_Set(int index, int length, char *buffer) {
char temp[20];
memset(temp, 0, sizeof(temp));
sprintf(temp, "%d", index + 1);
char fname[MAX_STR_LENGTH];
strcpy(fname, ASIC_Driver_DriverFileName);
strcat(fname, temp);
LOG(logDEBUG2,
("\t[chip index: %d, length: %d, fname: %s]\n", index, length, fname));
{
LOG(logDEBUG2, ("\t[values: \n"));
for (int i = 0; i < length; ++i) {
LOG(logDEBUG2, ("\t%d: 0x%02hhx\n", i, buffer[i]));
}
LOG(logDEBUG2, ("\t]\n"));
}
#ifndef VIRTUAL
int fd = open(fname, O_RDWR);
if (fd == -1) {
LOG(logERROR,
("Could not open file %s for writing to control ASIC (%d)\n", fname,
index));
return FAIL;
}
struct spi_ioc_transfer transfer;
memset(&transfer, 0, sizeof(transfer));
transfer.tx_buf = (unsigned long)buffer;
transfer.len = length;
transfer.cs_change = 0;
// transfer command
int status = ioctl(fd, SPI_IOC_MESSAGE(1), &transfer);
if (status < 0) {
LOG(logERROR, ("Could not send command to ASIC\n"));
perror("SPI_IOC_MESSAGE");
close(fd);
return FAIL;
}
close(fd);
#endif
return OK;
}