client: removed slsDetectorutils and postprocessing. yet to compile, yet to add detpos index for every multi sls detector command and call from command interface, removed multiple threading, yet to interface with eriks single template for multiple threading

slsDetectorSoftware/slsDetectorServers/slsDetectorServer/programfpga.h

@@ -0,0 +1,190 @@
+#ifndef PROGRAM_FPGA_H
+#define PROGRAM_FPGA_H
+
+#include "ansi.h"
+
+#include <stdio.h>
+#include <unistd.h> 	// usleep
+#include <string.h>
+
+
+/* global variables */
+#define CTRL_SRVR_INIT_TIME_US		(300 * 1000)
+int gpioDefined=0;
+#define MTDSIZE 10
+char mtdvalue[MTDSIZE];
+
+
+
+/**
+ * Define GPIO pins if not defined
+ */
+void defineGPIOpins(){
+	if (!gpioDefined) {
+		//define the gpio pins
+		system("echo 7 > /sys/class/gpio/export");
+		system("echo 9 > /sys/class/gpio/export");
+		//define their direction
+		system("echo in  > /sys/class/gpio/gpio7/direction");
+		system("echo out > /sys/class/gpio/gpio9/direction");
+		printf("gpio pins defined\n");
+		gpioDefined = 1;
+	}else printf("gpio pins already defined earlier\n");
+}
+
+/**
+ * Notify FPGA to not touch flash
+ */
+void FPGAdontTouchFlash(){
+	//tell FPGA to not touch flash
+	system("echo 0 > /sys/class/gpio/gpio9/value");
+	//usleep(100*1000);
+}
+
+
+/**
+ * Notify FPGA to program from flash
+ */
+void FPGATouchFlash(){
+	//tell FPGA to touch flash to program itself
+	system("echo 1 > /sys/class/gpio/gpio9/value");
+}
+
+/**
+ * Reset FPGA
+ */
+void resetFPGA(){
+	cprintf(BLUE,"\n*** Reseting FPGA ***\n");
+	FPGAdontTouchFlash();
+	FPGATouchFlash();
+	usleep(CTRL_SRVR_INIT_TIME_US);
+}
+
+/**
+ * Erasing flash
+ */
+void eraseFlash(){
+#ifdef VERY_VERBOSE
+	printf("\nErasing Flash\n");
+#endif
+	char command[255];
+	memset(command, 0, 255);
+	sprintf(command,"flash_eraseall %s",mtdvalue);
+	system(command);
+	printf("Flash erased\n");
+}
+
+/**
+ * Open the drive to copy program and
+ * notify FPGA not to touch the program
+ * @param filefp pointer to flash
+ * @return 0 for success, 1 for fail (cannot open file for writing program)
+ */
+int startWritingFPGAprogram(FILE** filefp){
+#ifdef VERY_VERBOSE
+	printf("\nStart Writing of FPGA program\n");
+#endif
+
+	//getting the drive
+	char output[255];
+	memset(output, 0, 255);
+	FILE* fp = popen("awk \'$4== \"\\\"bitfile(spi)\\\"\" {print $1}\' /proc/mtd", "r");
+	if (fp == NULL) {
+		cprintf(RED,"popen returned NULL. Need that to get mtd drive.\n");
+		return 1;
+	}
+	if (fgets(output, sizeof(output), fp) == NULL) {
+		cprintf(RED,"fgets returned NULL. Need that to get mtd drive.\n");
+		return 1;
+	}
+	pclose(fp);
+	//cprintf(RED,"output: %s\n", output);
+	memset(mtdvalue, 0, MTDSIZE);
+	strcpy(mtdvalue,"/dev/");
+	char* pch = strtok(output,":");
+	if(pch == NULL){
+		cprintf(RED,"Could not get mtd value\n");
+		return 1;
+	}
+	strcat(mtdvalue,pch);
+	printf ("\nFlash drive found: %s\n",mtdvalue);
+
+	FPGAdontTouchFlash();
+
+	//writing the program to flash
+	*filefp = fopen(mtdvalue, "w");
+	if(*filefp == NULL){
+		cprintf(RED,"Unable to open %s in write mode\n",mtdvalue);
+		return 1;
+	}
+	printf("Flash ready for writing\n");
+
+	return 0;
+}
+
+/**
+ * When done writing the program, close file pointer and
+ * notify FPGA to pick up the program from flash
+ * @param filefp pointer to flash
+ */
+void stopWritingFPGAprogram(FILE* filefp){
+#ifdef VERY_VERBOSE
+	printf("\nStopping of writing FPGA program\n");
+#endif
+
+	int wait = 0;
+	if(filefp!= NULL){
+		fclose(filefp);
+		wait = 1;
+	}
+
+	//touch and program
+	FPGATouchFlash();
+
+	if(wait){
+#ifdef VERY_VERBOSE
+		printf("Waiting for FPGA to program from flash\n");
+#endif
+		//waiting for success or done
+		char output[255];
+		int res=0;
+		while(res == 0){
+			FILE* sysFile = popen("cat /sys/class/gpio/gpio7/value", "r");
+			fgets(output, sizeof(output), sysFile);
+			pclose(sysFile);
+			sscanf(output,"%d",&res);
+#ifdef VERY_VERBOSE
+			printf("gpi07 returned %d\n",res);
+#endif
+		}
+	}
+	printf("FPGA has picked up the program from flash\n\n");
+}
+
+
+/**
+ * Write FPGA Program to flash
+ * @param fpgasrc source program
+ * @param fsize size of program
+ * @param filefp pointer to flash
+ * @return 0 for success, 1 for fail (cannot write)
+ */
+int writeFPGAProgram(char* fpgasrc, size_t fsize, FILE* filefp){
+#ifdef VERY_VERBOSE
+	printf("\nWriting of FPGA Program\n");
+	cprintf(BLUE,"address of fpgasrc:%p\n",(void *)fpgasrc);
+	cprintf(BLUE,"fsize:%lu\n",fsize);
+	cprintf(BLUE,"pointer:%p\n",(void*)filefp);
+#endif
+
+	if(fwrite((void*)fpgasrc , sizeof(char) , fsize , filefp )!= fsize){
+		cprintf(RED,"Could not write FPGA source to flash (size:%lu)\n", fsize);
+		return 1;
+	}
+#ifdef VERY_VERBOSE
+	cprintf(BLUE, "program written to flash\n");
+#endif
+	return 0;
+}
+
+#endif	//PROGRAM_FPGA_H