int cmd_settimer(int argc, char *argv[], FILE *ostrm) {
#else
int cmd_settimer(int argc, char *argv[]) {
#endif
int res;
int count;
if (argc != 2) {
res = efputs("usage: settimer [count]\r\n", ostrm);
if (res == EOF) {
return WRITE_ERROR;
}
return WRONG_NUMBER_ARGS;
}
count = myAtoi(argv[1]);
if (count < 0 || count > 65535) {
res = efputs("Duration must be between 0 and 65535\r\n", ostrm);
if (res == EOF) {
return WRITE_ERROR;
}
return INVALID_INPUT;
}
interrupt_fired = 0;
svc_setTimer(count, my_timer_action);
while(!interrupt_fired) {
;
}
efputs("Interrupt Fired\r\n", STDOUT);
efflush(ostrm);
return SUCCESS;
}
int openFiles(int argc, char **argv) {
uint32_t pid;
char msg[128];
Stream *lcd;
pid = getCurrentPID();
lcd = svc_myFopen("/dev/lcd/lcd");
svc_myFopen("/dev/button/sw1");
svc_myCreate("dev/fs/data");
svc_myFopen("/dev/fs/data");
sprintf(msg, "Hello from PID %d. Leaving 3 files open, will be closed on kill.\r\n", (int) pid);
efputs(msg, STDOUT);
efflush(STDOUT);
svc_myFputs(msg, lcd);
sprintf(msg, "About to kill PID %d.\r\n", (int) pid);
efputs(msg, STDOUT);
efflush(STDOUT);
svc_myFputs(msg, lcd);
/* kill me */
svc_myKill(pid);
return 0;
}
int cmd_process_demo(int argc, char *argv[], FILE *ostrm) {
#else
int cmd_process_demo(int argc, char *argv[]) {
#endif
uint32_t pid;
char msg[64];
flash_orange_led_pid = svc_spawn(flash_orange_led);
sprintf(msg, "spawned PID: %d\r\n", (int) flash_orange_led_pid);
efputs(msg, STDOUT);
pid = svc_spawn(openFiles);
sprintf(msg, "spawned PID: %d\r\n", (int) pid);
efputs(msg, STDOUT);
pid = svc_spawn(cmd_touch2led);
sprintf(msg, "spawned PID: %d\r\n", (int) pid);
efputs(msg, STDOUT);
pid = svc_spawn(cmd_pot2ser);
sprintf(msg, "spawned PID: %d\r\n", (int) pid);
efputs(msg, STDOUT);
return 0;
}
/* there is a race condition when reading the button value */
int sw2message(int argc, char **argv) {
Stream *sw2;
int c;
uint32_t pid;
char msg[64];
pid = getCurrentPID();
sw2 = svc_myFopen("/dev/button/sw2");
while(TRUE) {
c = svc_myFgetc(sw2);
if (c == EOF) {
efputs("sw2message: end of file received from button\r\n", STDOUT);
}
if (c) {
sprintf(msg, "Hello from PID %d. sw2 was pressed\r\n", (int) pid);
efputs(msg, STDOUT);
}
}
}
void save_json( cJSON *root, const char *filename )
{
SDL_RWops *f = dir_fopen_warn(get_user_directory(), filename, "w+");
if (f == NULL)
return;
char *buffer = cJSON_Print(root);
if (buffer != NULL)
{
efputs(buffer, f);
free(buffer);
}
SDL_RWclose(f);
}
int flash_orange_led(int argc, char **argv) {
char msg[64];
orange_led = svc_myFopen("/dev/led/orange");
start_millis = svc_get_current_millis();
while(time_remaining) {
if (flash_orange_led_pid == 0) {
continue;
}
svc_setTimer(interval, turn_on_led_and_reset_timer);
svc_myFputc(orange_led_on, orange_led);
current_millis = svc_get_current_millis();
svc_block();
}
svc_myFputc(0, orange_led);
sprintf(msg, "About to kill PID %d.\r\n", (int) flash_orange_led_pid);
efputs(msg, STDOUT);
svc_myKill(flash_orange_led_pid);
return SUCCESS;
}
