mirror of
https://github.com/slsdetectorgroup/slsDetectorPackage.git
synced 2025-06-12 12:57:13 +02:00
in between in terms of mythen3 server, done with setdac and set power
This commit is contained in:
Dhanya Maliakal
@ -1,178 +0,0 @@
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#ifndef PROGRAM_FPGA_H
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#define PROGRAM_FPGA_H
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#include "ansi.h"
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#include <stdio.h>
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#include <unistd.h> // usleep
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#include <string.h>
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/* global variables */
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#define CTRL_SRVR_INIT_TIME_US (300 * 1000)
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int gpioDefined=0;
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char mtdvalue[10];
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/**
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* Define GPIO pins if not defined
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*/
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void defineGPIOpins(){
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if (!gpioDefined) {
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//define the gpio pins
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system("echo 7 > /sys/class/gpio/export");
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system("echo 9 > /sys/class/gpio/export");
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//define their direction
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system("echo in > /sys/class/gpio/gpio7/direction");
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system("echo out > /sys/class/gpio/gpio9/direction");
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printf("gpio pins defined\n");
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gpioDefined = 1;
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}else printf("gpio pins already defined earlier\n");
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}
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/**
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* Notify FPGA to not touch flash
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*/
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void FPGAdontTouchFlash(){
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//tell FPGA to not touch flash
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system("echo 0 > /sys/class/gpio/gpio9/value");
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//usleep(100*1000);
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}
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/**
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* Notify FPGA to program from flash
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*/
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void FPGATouchFlash(){
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//tell FPGA to touch flash to program itself
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system("echo 1 > /sys/class/gpio/gpio9/value");
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}
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/**
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* Reset FPGA
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*/
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void resetFPGA(){
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cprintf(BLUE,"\n*** Reseting FPGA ***\n");
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FPGAdontTouchFlash();
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FPGATouchFlash();
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usleep(CTRL_SRVR_INIT_TIME_US);
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}
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/**
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* Erasing flash
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*/
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void eraseFlash(){
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#ifdef VERY_VERBOSE
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printf("\nErasing Flash\n");
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#endif
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char command[255];
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sprintf(command,"flash_eraseall %s",mtdvalue);
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system(command);
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printf("flash erased\n");
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}
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/**
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* Open the drive to copy program and
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* notify FPGA not to touch the program
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* @param filefp pointer to flash
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* @return 0 for success, 1 for fail (cannot open file for writing program)
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*/
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int startWritingFPGAprogram(FILE** filefp){
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#ifdef VERY_VERBOSE
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printf("\nStart Writing of FPGA program\n");
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#endif
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//getting the drive
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char output[255];
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FILE* fp = popen("awk \'$4== \"\\\"bitfile(spi)\\\"\" {print $1}\' /proc/mtd", "r");
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fgets(output, sizeof(output), fp);
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pclose(fp);
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strcpy(mtdvalue,"/dev/");
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char* pch = strtok(output,":");
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if(pch == NULL){
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cprintf(RED,"Could not get mtd value\n");
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return FAIL;
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}
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strcat(mtdvalue,pch);
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printf ("\nFlash drive found: %s\n",mtdvalue);
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FPGAdontTouchFlash();
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//writing the program to flash
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*filefp = fopen(mtdvalue, "w");
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if(*filefp == NULL){
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cprintf(RED,"Unable to open %s in write mode\n",mtdvalue);
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return 1;
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}
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printf("flash ready for writing\n");
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return 0;
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}
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/**
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* When done writing the program, close file pointer and
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* notify FPGA to pick up the program from flash
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* @param filefp pointer to flash
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*/
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void stopWritingFPGAprogram(FILE* filefp){
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#ifdef VERY_VERBOSE
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printf("\nStopping of writing FPGA program\n");
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#endif
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int wait = 0;
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if(filefp!= NULL){
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fclose(filefp);
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wait = 1;
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}
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//touch and program
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FPGATouchFlash();
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if(wait){
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#ifdef VERY_VERBOSE
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printf("Waiting for FPGA to program from flash\n");
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#endif
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//waiting for success or done
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char output[255];
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int res=0;
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while(res == 0){
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FILE* sysFile = popen("cat /sys/class/gpio/gpio7/value", "r");
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fgets(output, sizeof(output), sysFile);
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pclose(sysFile);
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sscanf(output,"%d",&res);
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#ifdef VERY_VERBOSE
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printf("gpi07 returned %d\n",res);
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#endif
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}
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}
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printf("FPGA has picked up the program from flash\n\n");
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}
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/**
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* Write FPGA Program to flash
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* @param fpgasrc source program
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* @param fsize size of program
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* @param filefp pointer to flash
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* @return 0 for success, 1 for fail (cannot write)
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*/
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int writeFPGAProgram(char* fpgasrc, size_t fsize, FILE* filefp){
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#ifdef VERY_VERBOSE
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printf("\nWriting of FPGA Program\n");
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cprintf(BLUE,"address of fpgasrc:%p\n",(void *)fpgasrc);
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cprintf(BLUE,"fsize:%d\n",fsize);
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cprintf(BLUE,"pointer:%p\n",(void*)filefp);
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#endif
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if(fwrite((void*)fpgasrc , sizeof(char) , fsize , filefp )!= fsize){
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cprintf(RED,"Could not write FPGA source to flash\n");
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return 1;
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}
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#ifdef VERY_VERBOSE
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cprintf(BLUE, "program written to flash\n");
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#endif
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return 0;
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}
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#endif //PROGRAM_FPGA_H
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1
slsDetectorSoftware/mythen3DetectorServer/programfpga.h
Symbolic link
1
slsDetectorSoftware/mythen3DetectorServer/programfpga.h
Symbolic link
@ -0,0 +1 @@
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../slsDetectorServer/programfpga.h
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