DigitalInfinity/ESP32-PaxCounter
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v1.8.34 (power on/off features for T-BEAM V10)

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This commit is contained in:
Verkehrsrot 2019-09-23 15:45:47 +02:00
parent 6abfc26f2e
commit 7daa36366b
7 changed files with 120 additions and 82 deletions
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16
include/power.h
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@ -9,16 +9,16 @@
#define DEFAULT_VREF 1100 // tbd: use adc2_vref_to_gpio() for better estimate
#define NO_OF_SAMPLES 64 // we do some multisampling to get better values
#ifdef HAS_PMU
#include <axp20x.h>
void pover_event_IRQ(void);
void AXP192_power(bool on);
#endif
void AXP192_init(void);
void AXP192_displaypower(void);
uint16_t read_voltage(void);
void calibrate_voltage(void);
bool batt_sufficient(void);
#ifdef HAS_PMU
#include <axp20x.h>
void power_event_IRQ(void);
void AXP192_power(bool on);
void AXP192_init(void);
void AXP192_showstatus(void);
#endif // HAS_PMU
#endif

13
platformio.ini
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@ -43,7 +43,7 @@ description = Paxcounter is a device for metering passenger flows in realtime. I
[common]
; for release_version use max. 10 chars total, use any decimal format like "a.b.c"
release_version = 1.8.31
release_version = 1.8.34
; DEBUG LEVEL: For production run set to 0, otherwise device will leak RAM while running!
; 0=None, 1=Error, 2=Warn, 3=Info, 4=Debug, 5=Verbose
debug_level = 3
@ -55,7 +55,7 @@ platform_espressif32 = espressif32@1.10.0
monitor_speed = 115200
upload_speed = 115200
lib_deps_lora =
;MCCI LoRaWAN LMIC library@2.3.2
;MCCI LoRaWAN LMIC library@3.1.0
https://github.com/mcci-catena/arduino-lmic.git#852f348
lib_deps_display =
U8g2@>=2.26.13
@ -73,8 +73,9 @@ lib_deps_basic =
76@>=1.2.2 ;Timezone by Jack Christensen
274@>=2.3.3 ;RTC by Michael Miller
SimpleButton
;AXP202X_Library@^1.0.0
https://github.com/cyberman54/AXP202X_Library.git
;AXP202X_Library@^1.0.1
https://github.com/lewisxhe/AXP202X_Library.git#8045ddf
;https://github.com/cyberman54/AXP202X_Library.git#b7116de
lib_deps_all =
${common.lib_deps_basic}
${common.lib_deps_lora}
@ -120,6 +121,4 @@ upload_protocol = esptool
upload_protocol = esptool
build_type = debug
platform = https://github.com/platformio/platform-espressif32.git#develop
platform_packages =
; use upstream Git version
framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32.git
platform_packages = framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32.git

5
src/cyclic.cpp
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@ -62,10 +62,7 @@ void doHousekeeping() {
else
ESP_LOGI(TAG, "Battery: %dmV", batt_voltage);
#ifdef HAS_PMU
if (I2C_MUTEX_LOCK()) {
AXP192_displaypower();
I2C_MUTEX_UNLOCK();
}
AXP192_showstatus();
#endif
#endif

7
src/display.cpp
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@ -179,6 +179,9 @@ void draw_page(time_t t, uint8_t page) {
// update Battery status (line 2)
#if (defined BAT_MEASURE_ADC || defined HAS_PMU)
u8x8.setCursor(0, 2);
if (batt_voltage == 0xffff)
u8x8.printf("B:USB ");
else
u8x8.printf("B:%.2fV", batt_voltage / 1000.0);
#endif
@ -204,10 +207,10 @@ void draw_page(time_t t, uint8_t page) {
#endif
#if (HAS_LORA)
u8x8.setCursor(11, 3);
u8x8.setCursor(12, 3);
if (!cfg.adrmode) // if ADR=off then display SF value inverse
u8x8.setInverseFont(1);
u8x8.printf("%4s", getSfName(updr2rps(LMIC.datarate)));
u8x8.printf("%-4s", getSfName(updr2rps(LMIC.datarate)));
if (!cfg.adrmode) // switch off inverse if it was turned on
u8x8.setInverseFont(0);
#endif // HAS_LORA

49
src/hal/ttgobeam10.h
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@ -7,9 +7,24 @@
#include <stdint.h>
// Hardware related definitions for TTGO T-Beam board
// (only) for newer T-Beam version T22_V10
// pinouts taken from https://github.com/lewisxhe/TTGO-T-Beam
/*
Hardware related definitions for TTGO T-Beam board
(only) for newer T-Beam version T22_V10
pinouts taken from https://github.com/lewisxhe/TTGO-T-Beam
/// Button functions: ///
Power, short press -> set device on (toggles display while device is on)
Power, long press -> set device off
User, short press -> flip display page
User, long press -> send LORA message
Reset -> reset device
*/
//#define HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C
#define MY_OLED_SDA SDA
#define MY_OLED_SCL SCL
#define MY_OLED_RST U8X8_PIN_NONE
//#define DISPLAY_FLIP 1 // use if display is rotated
#define HAS_LORA 1 // comment out if device shall not send data via LoRa
#define CFG_sx1276_radio 1 // HPD13A LoRa SoC
@ -30,16 +45,30 @@
//#define HAS_BME680 SDA, SCL
//#define BME680_ADDR BME680_I2C_ADDR_PRIMARY // !! connect SDIO of BME680 to GND !!
// display (if connected)
//#define HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C
//#define MY_OLED_SDA SDA
//#define MY_OLED_SCL SCL
//#define MY_OLED_RST U8X8_PIN_NONE
//#define DISPLAY_FLIP 1 // use if display is rotated
// user defined sensors (if connected)
//#define HAS_SENSORS 1 // comment out if device has user defined sensors
//#define DISABLE_BROWNOUT 1 // comment out if you want to keep brownout feature
#endif
/*
// T-Beam V10 has on board power management by AXP192 PMU chip:
//
// DCDC1 0.7-3.5V @ 1200mA -> OLED
// DCDC3 0.7-3.5V @ 700mA -> ESP32 (keep this on!)
// LDO1 30mA -> GPS Backup
// LDO2 200mA -> LORA
// LDO3 200mA -> GPS
// Wiring for I2C OLED display:
//
// Signal Header OLED
// 3V3 7 VCC
// GND 8 GND
// IO22(SCL) 9 SCL
// IO21(SDA) 10 SDA
//
*/

2
src/irqhandler.cpp
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@ -66,7 +66,7 @@ void irqHandler(void *pvParameters) {
// do we have a power event?
#if (HAS_PMU)
if (InterruptStatus & PMU_IRQ)
pover_event_IRQ();
power_event_IRQ();
#endif
// is time to send the payload?

76
src/power.cpp
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@ -9,9 +9,12 @@ static const char TAG[] = __FILE__;
AXP20X_Class pmu;
void pover_event_IRQ(void) {
// block i2c bus access
if (I2C_MUTEX_LOCK()) {
void power_event_IRQ(void) {
if (!I2C_MUTEX_LOCK())
ESP_LOGW(TAG, "[%0.3f] i2c mutex lock failed", millis() / 1000.0);
else {
pmu.readIRQ();
// put your power event handler code here
@ -36,47 +39,46 @@ void pover_event_IRQ(void) {
if (pmu.isBattTempHighIRQ())
ESP_LOGI(TAG, "Battery low temperature.");
// wake up
// display on/off
if (pmu.isPEKShortPressIRQ()) {
ESP_LOGI(TAG, "Power Button short pressed.");
AXP192_power(true);
cfg.screenon = !cfg.screenon;
}
// enter sleep mode
// shutdown power
if (pmu.isPEKLongtPressIRQ()) {
ESP_LOGI(TAG, "Power Button long pressed.");
AXP192_power(false);
delay(20);
esp_sleep_enable_ext1_wakeup(GPIO_SEL_38, ESP_EXT1_WAKEUP_ALL_LOW);
esp_deep_sleep_start();
AXP192_power(false); // switch off Lora, GPS, display
pmu.shutdown();
}
pmu.clearIRQ();
I2C_MUTEX_UNLOCK(); // release i2c bus access
} else
ESP_LOGI(TAG, "Unknown PMU event.");
I2C_MUTEX_UNLOCK();
} // mutex
// refresh stored voltage value
read_voltage();
}
void AXP192_power(bool on) {
if (on) {
pmu.setPowerOutPut(AXP192_LDO2, AXP202_ON); // Lora on T-Beam V1.0
pmu.setPowerOutPut(AXP192_LDO3, AXP202_ON); // Gps on T-Beam V1.0
pmu.setPowerOutPut(AXP192_DCDC2, AXP202_ON);
pmu.setPowerOutPut(AXP192_EXTEN, AXP202_ON);
pmu.setPowerOutPut(AXP192_DCDC1, AXP202_ON);
pmu.setPowerOutPut(AXP192_DCDC1, AXP202_ON); // OLED on T-Beam v1.0
// pmu.setChgLEDMode(AXP20X_LED_LOW_LEVEL);
pmu.setChgLEDMode(AXP20X_LED_BLINK_1HZ);
} else {
pmu.setChgLEDMode(AXP20X_LED_OFF);
pmu.setPowerOutPut(AXP192_DCDC1, AXP202_OFF);
pmu.setPowerOutPut(AXP192_EXTEN, AXP202_OFF);
pmu.setPowerOutPut(AXP192_DCDC2, AXP202_OFF);
pmu.setPowerOutPut(AXP192_LDO3, AXP202_OFF);
pmu.setPowerOutPut(AXP192_LDO2, AXP202_OFF);
pmu.setChgLEDMode(AXP20X_LED_OFF);
}
}
void AXP192_displaypower(void) {
void AXP192_showstatus(void) {
if (!I2C_MUTEX_LOCK())
ESP_LOGW(TAG, "[%0.3f] i2c mutex lock failed", millis() / 1000.0);
else {
if (pmu.isBatteryConnect())
if (pmu.isChargeing())
ESP_LOGI(TAG, "Battery charging, %.2fV @ %.0fmAh",
@ -87,10 +89,13 @@ void AXP192_displaypower(void) {
ESP_LOGI(TAG, "No Battery");
if (pmu.isVBUSPlug())
ESP_LOGI(TAG, "USB present, %.2fV @ %.0fmA", pmu.getVbusVoltage() / 1000,
pmu.getVbusCurrent());
ESP_LOGI(TAG, "USB powered, %.0fmW",
pmu.getVbusVoltage() / 1000 * pmu.getVbusCurrent());
else
ESP_LOGI(TAG, "USB not present");
I2C_MUTEX_UNLOCK();
} // mutex
}
void AXP192_init(void) {
@ -102,9 +107,10 @@ void AXP192_init(void) {
ESP_LOGI(TAG, "AXP192 PMU initialization failed");
else {
// switch power on
// configure AXP192
pmu.setDCDC1Voltage(3300); // for external OLED display
AXP192_power(true);
pmu.setTimeOutShutdown(false); // no automatic shutdown
pmu.setTSmode(AXP_TS_PIN_MODE_DISABLE); // TS pin mode off to save power
// switch ADCs on
pmu.adc1Enable(AXP202_BATT_VOL_ADC1, true);
@ -112,8 +118,8 @@ void AXP192_init(void) {
pmu.adc1Enable(AXP202_VBUS_VOL_ADC1, true);
pmu.adc1Enable(AXP202_VBUS_CUR_ADC1, true);
// set TS pin mode off to save power
pmu.setTSmode(AXP_TS_PIN_MODE_DISABLE);
// switch power rails on
AXP192_power(true);
// I2C access of AXP202X library currently is not mutexable
// so we better should disable AXP interrupts... ?
@ -121,13 +127,13 @@ void AXP192_init(void) {
pinMode(PMU_INT, INPUT_PULLUP);
attachInterrupt(digitalPinToInterrupt(PMU_INT), PMUIRQ, FALLING);
pmu.enableIRQ(AXP202_VBUS_REMOVED_IRQ | AXP202_VBUS_CONNECT_IRQ |
AXP202_BATT_REMOVED_IRQ | AXP202_BATT_CONNECT_IRQ,
AXP202_BATT_REMOVED_IRQ | AXP202_BATT_CONNECT_IRQ |
AXP202_CHARGING_FINISHED_IRQ,
1);
pmu.clearIRQ();
#endif // PMU_INT
ESP_LOGI(TAG, "AXP192 PMU initialized, chip temp %.1f°C", pmu.getTemp());
AXP192_displaypower();
ESP_LOGI(TAG, "AXP192 PMU initialized");
}
I2C_MUTEX_UNLOCK(); // release i2c bus access
} else
@ -187,11 +193,15 @@ bool batt_sufficient() {
}
uint16_t read_voltage() {
uint16_t voltage = 0;
#ifdef HAS_PMU
if (!I2C_MUTEX_LOCK())
ESP_LOGW(TAG, "[%0.3f] i2c mutex lock failed", millis() / 1000.0);
else {
voltage = pmu.isVBUSPlug() ? 0xffff : pmu.getBattVoltage();
I2C_MUTEX_UNLOCK();
}
#else
#ifdef BAT_MEASURE_ADC