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Add buzzer beep when at temperature 🎵

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This commit is contained in:
Ben V. Brown
2021-05-05 19:19:00 +10:00
parent 79fa47eb16
commit 1b3445cefa
3 changed files with 28 additions and 6 deletions
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22
source/Core/BSP/MHP30/BSP.cpp
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@@ -412,9 +412,19 @@ bool isTipDisconnected() {
return tipDisconnected;
}
void setBuzzer(bool on) {
if (on) {
htim3.Instance->CCR2 = 128;
htim3.Instance->PSC = 100; // drop down into audible range
} else {
htim3.Instance->CCR2 = 0;
htim3.Instance->PSC = 1; // revert back out of hearing range
}
}
void setStatusLED(const enum StatusLED state) {
static enum StatusLED lastState = LED_UNKNOWN;
static TickType_t buzzerEnd = 0;
if (lastState != state || state == LED_HEATING) {
switch (state) {
default:
@@ -426,11 +436,12 @@ void setStatusLED(const enum StatusLED state) {
ws2812.led_set_color(0, 0, 0xFF, 0); // green
break;
case LED_HEATING: {
ws2812.led_set_color(0, ((HAL_GetTick() / 10) % 192) + 64, 0,
0); // Red fade
ws2812.led_set_color(0, ((HAL_GetTick() / 10) % 192) + 64, 0, 0); // Red fade
} break;
case LED_HOT:
ws2812.led_set_color(0, 0xFF, 0, 0); // red
// We have hit the right temp, run buzzer for a short period
buzzerEnd = xTaskGetTickCount() + TICKS_SECOND / 3;
break;
case LED_COOLING_STILL_HOT:
ws2812.led_set_color(0, 0xFF, 0x8C, 0x00); // Orange
@@ -439,4 +450,9 @@ void setStatusLED(const enum StatusLED state) {
ws2812.led_update();
lastState = state;
}
if (state == LED_HOT && xTaskGetTickCount() < buzzerEnd) {
setBuzzer(true);
} else {
setBuzzer(false);
}
}