Files
MeshCore/variants/lilygo_techo_card/TechoCardBoard.cpp
T

98 lines
2.4 KiB
C++

#include <Arduino.h>
#include <Wire.h>
#include "TechoCardBoard.h"
#ifdef LILYGO_TECHO_CARD
Adafruit_NeoPixel Led_A(1, WS2812_DATA_2, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel Led_B(1, WS2812_DATA_3, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel Led_C(1, WS2812_DATA_1, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel *Led[] =
{
&Led_A,
&Led_B,
&Led_C,
};
void TechoCardBoard::begin() {
NRF52BoardDCDC::begin();
Wire.begin();
for (uint8_t i = 0; i < sizeof(Led) / sizeof(Led[0]); i++)
{
Led[i]->begin();
delay(3); // allow the LEDs to initialise, otherwise they can get stuck
Led[i]->setPixelColor(0, Led[i]->Color(0, 0, 0));
Led[i]->show();
}
// put IMU20948 to sleep
// see https://product.tdk.com/system/files/dam/doc/product/sensor/mortion-inertial/imu/data_sheet/ds-000189-icm-20948-v1.5.pdf
Wire.beginTransmission(0x68);
Wire.write(0x06); // PWR_MGMT_1 register
Wire.write(0x40); // set SLEEP bit
Wire.endTransmission();
}
uint16_t TechoCardBoard::getBattMilliVolts() {
int adcvalue = 0;
analogReference(AR_INTERNAL_3_0);
analogReadResolution(12);
digitalWrite(PIN_BAT_CTL, HIGH); // enable vbat vdiv
delay(10);
// ADC range is 0..3000mV and resolution is 12-bit (0..4095)
adcvalue = analogRead(PIN_VBAT_READ);
digitalWrite(PIN_BAT_CTL, LOW);
// Convert the raw value to compensated mv, taking the resistor-
// divider into account (providing the actual LIPO voltage)
return (uint16_t)((float)adcvalue * REAL_VBAT_MV_PER_LSB);
}
void TechoCardBoard::onBeforeTransmit() {
Led_A.setPixelColor(0, 20, 20, 20); // turn TX LED on
Led_A.show();
}
void TechoCardBoard::onAfterTransmit() {
Led_A.setPixelColor(0, 0, 0, 0); // turn TX LED off
Led_A.show();
}
void TechoCardBoard::toggleTorch() {
if (!_torchStatus) {
Led_C.setPixelColor(0, 255, 255, 255);
Led_C.show();
_torchStatus = true;
} else {
Led_C.setPixelColor(0, 0, 0, 0);
Led_C.show();
_torchStatus = false;
}
}
void TechoCardBoard::turnOffLeds() {
for (uint8_t i = 0; i < sizeof(Led) / sizeof(*Led); i++)
{
Led[i]->setPixelColor(0, 0, 0, 0);
Led[i]->show();
}
}
void TechoCardBoard::powerOff() {
nrf_gpio_cfg_sense_input(BUTTON_PIN, NRF_GPIO_PIN_PULLUP, NRF_GPIO_PIN_SENSE_LOW);
turnOffLeds();
digitalWrite(PIN_PWR_EN, LOW);
sd_power_system_off();
}
#endif