zeyus/FLIP-ESP32-I2C-OLED
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zeyus 2025-03-08 14:18:59 +01:00
parent 05027acea4
commit 8f597a7eda
Signed by: zeyus
GPG key ID: A836639BA719C614
1 changed files with 58 additions and 11 deletions
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69
working_imu_grav.ino
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@ -29,7 +29,51 @@
#define GRID_SIZE 16
#define CELL_SIZE (SIM_WIDTH/GRID_SIZE)
DisplaySSD1306_128x64_I2C display(-1);
/**
* Class implements SSD1306 128x64 lcd display in 1 bit mode over I2C
* overrides default implementation to expose private m_i2c
*/
class DisplaySSD1306_128x64_I2Cx: public DisplaySSD1306_128x64<InterfaceSSD1306<PlatformI2c>>
{
public:
/**
* @brief Inits 128x64 lcd display over i2c (based on SSD1306 controller): 1-bit mode.
*
* Inits 128x64 lcd display over i2c (based on SSD1306 controller): 1-bit mode
* @param rstPin pin controlling LCD reset (-1 if not used)
* @param config platform i2c configuration. Please refer to SPlatformI2cConfig.
*/
explicit DisplaySSD1306_128x64_I2Cx(int8_t rstPin, const SPlatformI2cConfig &config = {-1, 0x3C, -1, -1, 0})
: DisplaySSD1306_128x64(m_i2c, rstPin)
, m_i2c(*this, -1,
SPlatformI2cConfig{config.busId, static_cast<uint8_t>(config.addr ?: 0x3C), config.scl, config.sda,
config.frequency ?: 400000})
{
}
/**
* Initializes SSD1306 lcd in 1-bit mode
*/
void begin() override;
/**
* Closes connection to display
*/
void end() override;
InterfaceSSD1306<PlatformI2c> m_i2c;
};
void DisplaySSD1306_128x64_I2Cx::begin()
{
m_i2c.begin();
DisplaySSD1306_128x64::begin();
}
void DisplaySSD1306_128x64_I2Cx::end()
{
DisplaySSD1306_128x64::end();
m_i2c.end();
}
DisplaySSD1306_128x64_I2Cx display(-1);
MPU6050 mpu;
// I2C device found at address 0x3C ! // OLED
@ -92,6 +136,9 @@ void initSerial() {
void initI2C() {
Wire.begin();
Wire.setClock(400000);
display.m_i2c.displayOn();
display.m_i2c.setContrast(0);
}
@ -131,24 +178,22 @@ void mpuMotionDetectMode() {
// set up MPU
// docs recommend waiting for at least 50ms after reset
mpu.reset();
delay(100);
lcd_delay(100);
mpu.resetSensors();
delay(100);
lcd_delay(100);
mpu.setAccelerometerPowerOnDelay(2); //max 3
mpu.setTempSensorEnabled(false);
// disable fifo when sleeping
mpu.setFIFOEnabled(false);
// low pass filter, 42Hz
mpu.setDLPFMode(MPU6050_DLPF_BW_42);
delay(10);
lcd_delay(10);
// high pass filter, from current value (should not be done while in motion)
mpu.setDHPFMode(MPU6050_DHPF_HOLD);
// mpu.setIntEnabled(0);
// set interrupt to be high when motion detected
mpu.setInterruptMode(MPU6050_INTMODE_ACTIVEHIGH);
// apparently this is more accurate
// See https://github.com/ElectronicCats/mpu6050/blob/master/src/MPU6050.cpp
mpu.setInterruptMode(MPU6050_INTMODE_ACTIVELOW);
mpu.setClockSource(MPU6050_CLOCK_INTERNAL);
// lowest accel sens
mpu.setFullScaleAccelRange(MPU6050_ACCEL_FS_2);
@ -165,12 +210,12 @@ void mpuMotionDetectMode() {
// mpu.setZAccelOffset(7687);
// level of movement required to trigger interrupt
// recommended default is 20
mpu.setMotionDetectionThreshold(20);
mpu.setMotionDetectionThreshold(1);
// number of milliseconds that the sensor must be at the threshold
mpu.setMotionDetectionDuration(2);
mpu.setMotionDetectionDuration(1);
// enable only motion detection interrupt
mpu.setIntEnabled(1 << MPU6050_INTERRUPT_MOT_BIT);
mpu.setIntEnabled((1 << MPU6050_INTERRUPT_MOT_BIT) | (1 << MPU6050_INTERRUPT_FF_BIT));
mpuSetInterruptMode();
// ensure the accellerometers are on
// mpu.setStandbyXAccelEnabled(false);
@ -421,6 +466,7 @@ void sleepTimer() {
#ifdef DEBUG
Serial.println(F("Going to sleep"));
#endif
display.m_i2c.displayOff();
// detach interrupt
detachInterrupt(digitalPinToInterrupt(EXT0_PIN));
// sleep
@ -428,7 +474,8 @@ void sleepTimer() {
// clear any pending interrupts
mpu.getIntStatus();
// enable wakeup from ext0
esp_sleep_enable_ext0_wakeup(GPIO_NUM_34, 1);
esp_sleep_enable_ext0_wakeup(GPIO_NUM_34, 0);
lcd_delay(100);
esp_deep_sleep_start();
}
}