add the ability to start ramps to the cli

main.c

@@ -30,6 +30,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <signal.h>
+#include <time.h>
 
 #include "coincellhell/coincellhell.h"
 #include "options.h"
@@ -39,6 +40,7 @@ static void print_commands(void)
 {
 	puts("Valid commands:");
 	puts("set [HEATER] [TEMP]\t | set the temperature setpoint of the given heater");
+	puts("ramp [HEATER] [TEMP] [SECONDS] | ramp to the given temperature in given seconds");
 	puts("get [HEATER] [LOCATION]\t | get the temperature of the given heater");
 	puts("get_setpoint [HEATER]\t | get the temperature setpoint of the given heater");
 	puts("state\t\t\t | get the state of eatch heater");
@@ -62,6 +64,18 @@ static int convert_string_to_heater_id(const char* str)
 	return id;
 }
 
+static long convert_string_to_seconds(const char* str)
+{
+	char* str_end;
+	long seconds = strtol(str, &str_end, 10);
+	if(str == str_end || seconds < 0)
+	{
+		puts("SECONDS must be a whole nummber above 0");
+		return -1;
+	}
+	return seconds;
+}
+
 static float convert_string_to_temperature(const char* str)
 {
 	char* str_end;
@@ -108,6 +122,26 @@ static int process_commands(char** commands, size_t command_count, struct coince
 
 		ret = coincellhell_set_temperature(hell, id, temperature);
 	}
+	else if(strcmp(commands[0], "ramp") == 0)
+	{
+		if(command_count < 4)
+			printf("Usage %s %s [HEATER] [TEMPERATURE] [SECONDS]\n", name, commands[0]);
+
+		int id = convert_string_to_heater_id(commands[1]);
+		if(id < 0)
+			return 1;
+
+		float temperature = convert_string_to_temperature(commands[2]);
+		if(temperature == FLT_MIN)
+			return 2;
+
+		long seconds = convert_string_to_seconds(commands[3]);
+		if(seconds < 0)
+			return 2;
+
+		time_t endtime = time(NULL) + seconds;
+		ret = coincellhell_set_temperature_ramp(hell, id, endtime, temperature);
+	}
 	else if(strcmp(commands[0], "get") == 0)
 	{
 		if(command_count == 1)