add support for reseting the usb bus

coincellhell.c

@@ -317,6 +317,11 @@ int coincellhell_set_periodic_recal(struct coincellhell* hell, bool recal)
 	return ret;
 }
 
+void coincellhell_reset_bus(struct coincellhell* hell)
+{
+	usbshm_reset(hell->priv);
+}
+
 void coincellhell_disconnect(struct coincellhell* hell)
 {
 	if(!hell || !hell->priv)

coincellhell/coincellhell.h

@@ -178,6 +178,7 @@ uint32_t coincellhell_get_seconds(struct coincellhell* hell);
 const uint8_t* coincellhell_get_fw_git_revision(struct coincellhell* hell);
 int coincellhell_enable_watchdog(struct coincellhell* hell);
 int coincellhell_set_periodic_recal(struct coincellhell* hell, bool recal);
+void coincellhell_reset_bus(struct coincellhell* hell);
 
 #ifdef __cplusplus
 }

main.c

@@ -52,6 +52,7 @@ static void print_commands(void)
 	puts("git\t\t\t | get the git revision of the firmware on the device");
 	puts("watchdog\t\t\t | enables the on device command watchdog");
 	puts("recal [BOOLEAN]\t\t | enables or disables periodic recal");
+	puts("reset\t\t\t | reset the usb bus of this device");
 }
 
 static int convert_string_to_heater_id(const char* str)
@@ -367,6 +368,11 @@ static int process_commands(char** commands, size_t command_count, struct coince
 		if(ret < 0)
 			puts("could not enable watchdog");
 	}
+	else if(strcmp(commands[0], "reset") == 0)
+	{
+		coincellhell_reset_bus(hell);
+		ret = 0;
+	}
 	else
 	{
 		printf("%s is not a valid command!", commands[0]);