ReiMerc/slik-dispenser
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Implement dispensing from arduino, added lights

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This commit is contained in:
Alexandertp 2023-12-20 23:19:36 +01:00
parent 1d3e908a89
commit 8633d4a514
2 changed files with 74 additions and 10 deletions
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55
arduino/arduino.ino
View File

@ -15,6 +15,7 @@ enum state {
enum state current_state;
char input_code[INPUT_SIZE + 1];
int user_id;
MKRIoTCarrier carrier;
WiFiSSLClient wifi_client;
@ -24,7 +25,9 @@ MqttClient mqtt_client(wifi_client);
int motor_count = 0;
int motor_count_max = 64;
uint32_t red_led_color = carrier.leds.Color(255, 0, 0);
uint32_t green_led_color = carrier.leds.Color(0, 255, 0);
uint32_t blue_led_color = carrier.leds.Color(0, 0, 255);
bool is_input_empty()
{
@ -61,7 +64,10 @@ void change_state(enum state new_state)
void draw_state()
{
// Reset
carrier.display.fillScreen(0x000);
carrier.leds.fill(0, 0, 5);
carrier.leds.setBrightness(5);
switch (current_state) {
case STATE_CONNECTING:
@ -75,8 +81,6 @@ void draw_state()
carrier.display.setTextSize(2);
carrier.display.print("Press Green Button");
carrier.leds.fill(green_led_color, 2, 1);
carrier.leds.setBrightness(5);
carrier.leds.show();
break;
case STATE_INPUT_PASSCODE:
@ -97,14 +101,22 @@ void draw_state()
carrier.display.print(' ');
}
}
carrier.leds.fill(blue_led_color, 0, 2);
carrier.leds.fill(red_led_color, 2, 1);
carrier.leds.fill(blue_led_color, 3, 2);
break;
case STATE_LOGGED_IN:
carrier.display.setCursor(40, 100);
carrier.display.setTextSize(3);
carrier.display.print("Logged in");
carrier.leds.fill(green_led_color, 2, 1);
carrier.leds.fill(red_led_color, 4, 1);
break;
}
carrier.leds.show();
}
void setup()
@ -183,11 +195,10 @@ void loop()
Serial.println("Dispensing...");
// Start rotating motor
motor_count = motor_count_max;
motor_count += motor_count_max;
} else if (topic == "login") {
Serial.println("Logged in");
int user_id;
if (sscanf(message, "%d", &user_id) > 0) {
change_state(STATE_LOGGED_IN);
} else {
@ -198,6 +209,9 @@ void loop()
free(message);
}
touchButtons buttons[] = { TOUCH0, TOUCH1, TOUCH3, TOUCH4 };
char input_characters[] = "1234";
switch (current_state) {
case STATE_LOGGED_OUT:
if (carrier.Buttons.onTouchDown(TOUCH2)) {
@ -205,8 +219,19 @@ void loop()
}
break;
case STATE_INPUT_PASSCODE:
touchButtons buttons[] = { TOUCH0, TOUCH1, TOUCH3, TOUCH4 };
char input_characters[] = "1234";
if (carrier.Buttons.onTouchDown(TOUCH2)) {
if (is_input_empty()) {
change_state(STATE_LOGGED_OUT);
} else {
for (int i = INPUT_SIZE - 1; i >= 0; i--) {
if (input_code[i]) {
input_code[i] = '\0';
draw_state();
break;
}
}
}
}
for (int i = 0; i < sizeof(buttons) / sizeof(buttons[0]); i++) {
if (carrier.Buttons.onTouchDown(buttons[i])) {
@ -230,5 +255,23 @@ void loop()
}
break;
case STATE_LOGGED_IN:
if (carrier.Buttons.onTouchDown(TOUCH2)) {
char *user_id_str = (char *)malloc(4);
snprintf(user_id_str, 4, "%d", user_id);
mqtt_client.beginMessage("dispense_request");
mqtt_client.print(user_id_str);
mqtt_client.endMessage();
free(user_id_str);
}
if (carrier.Buttons.onTouchDown(TOUCH4)) {
change_state(STATE_LOGGED_OUT);
}
break;
}
delay(2);
}

27
backend/Program.cs
View File

@ -1,6 +1,7 @@
using MQTTnet;
using MQTTnet.Client;
using backend.Application;
using backend.Models;
var builder = WebApplication.CreateBuilder(args);
@ -50,7 +51,11 @@ var options = new MqttClientOptionsBuilder()
await mqttClient.ConnectAsync(options, CancellationToken.None);
await mqttClient.SubscribeAsync(
new MqttFactory().CreateSubscribeOptionsBuilder().WithTopicFilter(f => f.WithTopic("login_request")).Build(),
new MqttFactory()
.CreateSubscribeOptionsBuilder()
.WithTopicFilter(f => f.WithTopic("login_request"))
.WithTopicFilter(f => f.WithTopic("dispense_request"))
.Build(),
CancellationToken.None
);
@ -58,12 +63,14 @@ ApplicationState.DbContext = new DispenserContext();
mqttClient.ApplicationMessageReceivedAsync += delegate(MqttApplicationMessageReceivedEventArgs args) {
var payload = System.Text.Encoding.Default.GetString(args.ApplicationMessage.PayloadSegment);
User? user;
MqttApplicationMessageBuilder message;
switch (args.ApplicationMessage.Topic) {
case "login_request":
var user = ApplicationState.DbContext!.Users.FirstOrDefault(user => user.TouchCode == payload);
user = ApplicationState.DbContext!.Users.FirstOrDefault(user => user.TouchCode == payload);
var message = new MqttApplicationMessageBuilder()
message = new MqttApplicationMessageBuilder()
.WithTopic("login");
if (user == null) {
@ -74,6 +81,20 @@ mqttClient.ApplicationMessageReceivedAsync += delegate(MqttApplicationMessageRec
mqttClient.PublishAsync(message.Build());
break;
case "dispense_request":
user = ApplicationState.DbContext!.Users.FirstOrDefault(user => user.Id == int.Parse(payload));
if (user == null || (!user.IsParent && user.Dispenses <= 0)) {
// TODO error
break;
}
message = new MqttApplicationMessageBuilder()
.WithTopic("dispense")
.WithPayload("dispense");
mqttClient.PublishAsync(message.Build());
break;
}