Hi, I found no documentation for accessing the eeprom on the evmdm365 - DM365. The device is /dev/mtd5. I would like to post application code for working with EEPROM:
// --------------------------------------------- // write params to EEPROM #define EEPROM_FILE_NAME "/dev/mtd5" // "/opt/http/cam_params.txt" #define EEPROM_PARAMS_START_ADDR 0x40 Write_Param_EEPROM() { FILE* F=fopen(EEPROM_FILE_NAME,"w"); if (!F) { printf("Read_Params_EEPROM - Error opening file\n"); return -1; } if (fseek(F,EEPROM_PARAMS_START_ADDR,SEEK_SET)) { printf("Read_Params_EEPROM - Error seeking file\n"); fclose(F); return -1; } // save all params to the file // store parameter self fprintf(F,"This string will be stored in eeprom."); fclose(F); } // --------------------------------------------- Also working with keypad on evmdm365 can be handled with this code: // -------------------------------- #define KEY_CODE_STOP 12 static int buttons_fd=0; #define KEYBOARD_FILE_NAME "/dev/input/event0" static void HandleButtons() { int rb; int i; #define MAX_EVENTS 1 struct input_event ev[MAX_EVENTS]; if (!buttons_fd) { printf("SetupApply HandleButtons - Error zero handle " KEYBOARD_FILE_NAME "\n"); return; } rb = read(buttons_fd, ev, sizeof(ev)); if (rb<1) return; if (rb < (int) sizeof(struct input_event)) { printf("HandleButtons: short read\n"); return; } for (i = 0; i < (int) (rb / sizeof(struct input_event)); i++) { if (EV_KEY == ev[i].type) { printf("HandleButtons i %d time %ld.%06ld ", i, ev[i].time.tv_sec, ev[i].time.tv_usec); printf("HandleButtons type %d code %d value %d\n", ev[i].type, ev[i].code, ev[i].value); if (ev[i].value==1) { switch (ev[i].code) { case KEY_CODE_STOP: printf("Button stop was pressed\n"); break; } } } } } // -------------------------------- static void StartButtonsHandler() { buttons_fd = open(KEYBOARD_FILE_NAME, 0); // O_NONBLOCK if (buttons_fd) { printf("SetupApply InitButtons - OK " KEYBOARD_FILE_NAME "\n"); } else { printf("SetupApply InitButtons - Error opening handle " KEYBOARD_FILE_NAME "\n"); return; } while (1) { HandleButtons(); usleep(100); } } // -------------------------------- Best regards, Juraj _______________________________________________ Davinci-linux-open-source mailing list Davinci-linux-open-source@linux.davincidsp.com http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source