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t-beam supreme: PMU and i2c fixes

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Fixed i2c (Wire) init issue by defining pins in platformio
Added an i2c scanning function for debug
Corrected the pmu power up sequence
This commit is contained in:
cod3doomy
2025-05-17 22:01:13 -07:00
parent 9048142f63
commit ee41d6e2d3
3 changed files with 117 additions and 42 deletions
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5
src/helpers/TBeamS3SupremeBoard.h
View File

@@ -15,8 +15,8 @@
#define P_LORA_MISO 13 //SX1262 MISO pin
#define P_LORA_MOSI 11 //SX1262 MOSI pin
#define PIN_BOARD_SDA 17 //SDA for OLED, BME280, and QMC6310U (0x1C)
#define PIN_BOARD_SCL 18 //SCL for OLED, BME280, and QMC6310U (0x1C)
//#define PIN_BOARD_SDA 17 //SDA for OLED, BME280, and QMC6310U (0x1C)
//#define PIN_BOARD_SCL 18 //SCL for OLED, BME280, and QMC6310U (0x1C)
#define PIN_BOARD_SDA1 42 //SDA for PMU and PFC8563 (RTC)
#define PIN_BOARD_SCL1 41 //SCL for PMU and PFC8563 (RTC)
@@ -58,6 +58,7 @@ public:
void printPMU();
#endif
bool power_init();
void begin() {
power_init();

2
variants/lilygo_tbeam_supreme_SX1262/platformio.ini
View File

@@ -6,6 +6,8 @@ build_flags =
-I variants/lilygo_tbeam_supreme_SX1262
-D LORA_TX_POWER=22
-D P_LORA_TX_LED=6
-D PIN_BOARD_SDA=17
-D PIN_BOARD_SCL=18
-D RADIO_CLASS=CustomSX1262
-D WRAPPER_CLASS=CustomSX1262Wrapper
;-D DISPLAY_CLASS=SSD1306Display ;Needs to be modified for SH1106

152
variants/lilygo_tbeam_supreme_SX1262/target.cpp
View File

@@ -27,6 +27,69 @@ TbeamSupSensorManager sensors = TbeamSupSensorManager(nmea);
static void setPMUIntFlag(){
pmuIntFlag = true;
}
uint32_t deviceOnline = 0x00;
void scanDevices(TwoWire *w)
{
uint8_t err, addr;
int nDevices = 0;
uint32_t start = 0;
Serial.println("Scanning I2C for Devices");
for (addr = 1; addr < 127; addr++) {
start = millis();
w->beginTransmission(addr); delay(2);
err = w->endTransmission();
if (err == 0) {
nDevices++;
switch (addr) {
case 0x77:
case 0x76:
Serial.println("\tFound BMX280 Sensor");
deviceOnline |= BME280_ONLINE;
break;
case 0x34:
Serial.println("\tFound AXP192/AXP2101 PMU");
deviceOnline |= POWERMANAGE_ONLINE;
break;
case 0x3C:
Serial.println("\tFound SSD1306/SH1106 dispaly");
deviceOnline |= DISPLAY_ONLINE;
break;
case 0x51:
Serial.println("\tFound PCF8563 RTC");
deviceOnline |= PCF8563_ONLINE;
break;
case 0x1C:
Serial.println("\tFound QMC6310 MAG Sensor");
deviceOnline |= QMC6310_ONLINE;
break;
default:
Serial.print("\tI2C device found at address 0x");
if (addr < 16) {
Serial.print("0");
}
Serial.print(addr, HEX);
Serial.println(" !");
break;
}
} else if (err == 4) {
Serial.print("Unknow error at address 0x");
if (addr < 16) {
Serial.print("0");
}
Serial.println(addr, HEX);
}
}
if (nDevices == 0)
Serial.println("No I2C devices found\n");
Serial.println("Scan for devices is complete.");
Serial.println("\n");
}
#ifdef MESH_DEBUG
void TBeamS3SupremeBoard::printPMU()
{
@@ -58,9 +121,9 @@ bool TBeamS3SupremeBoard::power_init()
PMU.setChargingLedMode(XPOWERS_CHG_LED_CTRL_CHG);
// Set up PMU interrupts
MESH_DEBUG_PRINTLN("Setting up PMU interrupts");
pinMode(PIN_PMU_IRQ, INPUT_PULLUP);
attachInterrupt(PIN_PMU_IRQ, setPMUIntFlag, FALLING);
// MESH_DEBUG_PRINTLN("Setting up PMU interrupts");
// pinMode(PIN_PMU_IRQ, INPUT_PULLUP);
// attachInterrupt(PIN_PMU_IRQ, setPMUIntFlag, FALLING);
// GPS
MESH_DEBUG_PRINTLN("Setting and enabling a-ldo4 for GPS");
@@ -73,74 +136,83 @@ bool TBeamS3SupremeBoard::power_init()
PMU.enableALDO3();
// To avoid SPI bus issues during power up, reset OLED, sensor, and SD card supplies
MESH_DEBUG_PRINTLN("Reset a-ldo1&2 and b-ldo1");
if (ESP_SLEEP_WAKEUP_UNDEFINED == esp_sleep_get_wakeup_cause())
{
PMU.disableALDO1();
PMU.disableALDO2();
PMU.disableBLDO1();
delay(250);
}
// MESH_DEBUG_PRINTLN("Reset a-ldo1&2 and b-ldo1");
// if (ESP_SLEEP_WAKEUP_UNDEFINED == esp_sleep_get_wakeup_cause())
// {
// PMU.disableALDO1();
// PMU.disableALDO2();
// PMU.disableBLDO1();
// delay(250);
// }
// BME280 and OLED
MESH_DEBUG_PRINTLN("Setting and enabling a-ldo1 for oled");
PMU.setALDO1Voltage(3300);
PMU.enableALDO1();
// m.2 interface
MESH_DEBUG_PRINTLN("Setting and enabling dcdc3 for m.2 interface");
PMU.setDC3Voltage(3300); // doesn't go anywhere in the schematic??
PMU.enableDC3();
// QMC6310U
MESH_DEBUG_PRINTLN("Setting and enabling a-ldo2 for QMC");
PMU.setALDO2Voltage(3300);
PMU.enableALDO2(); // disable to save power
// BME280 and OLED
MESH_DEBUG_PRINTLN("Setting and enabling a-ldo1 for oled");
PMU.setALDO1Voltage(3300);
PMU.enableALDO1();
// SD card
MESH_DEBUG_PRINTLN("Setting and enabling b-ldo2 for SD card");
PMU.setBLDO1Voltage(3300);
PMU.enableBLDO1();
// Out to header pins
MESH_DEBUG_PRINTLN("Setting and enabling b-ldo2 for output to header");
PMU.setBLDO2Voltage(3300);
PMU.enableBLDO2();
// MESH_DEBUG_PRINTLN("Setting and enabling b-ldo2 for output to header");
// PMU.setBLDO2Voltage(3300);
// PMU.enableBLDO2();
MESH_DEBUG_PRINTLN("Setting and enabling dcdc4 for output to header");
PMU.setDC4Voltage(XPOWERS_AXP2101_DCDC4_VOL2_MAX); // 1.8V
PMU.enableDC4();
// MESH_DEBUG_PRINTLN("Setting and enabling dcdc4 for output to header");
// PMU.setDC4Voltage(XPOWERS_AXP2101_DCDC4_VOL2_MAX); // 1.8V
// PMU.enableDC4();
MESH_DEBUG_PRINTLN("Setting and enabling dcdc5 for output to header");
PMU.setDC5Voltage(3300);
PMU.enableDC5();
// Other power rails
MESH_DEBUG_PRINTLN("Setting and enabling dcdc3 for ?");
PMU.setDC3Voltage(3300); // doesn't go anywhere in the schematic??
PMU.enableDC3();
// MESH_DEBUG_PRINTLN("Setting and enabling dcdc5 for output to header");
// PMU.setDC5Voltage(3300);
// PMU.enableDC5();
// Unused power rails
MESH_DEBUG_PRINTLN("Disabling unused supplies dcdc2, dldo1 and dldo2");
PMU.disableDC2();
PMU.disableDC5();
PMU.disableDLDO1();
PMU.disableDLDO2();
// Set charge current to 300mA
PMU.disableIRQ(XPOWERS_AXP2101_ALL_IRQ);
// Set charge current to 500mA
MESH_DEBUG_PRINTLN("Setting battery charge current limit and voltage");
PMU.setChargerConstantCurr(XPOWERS_AXP2101_CHG_CUR_500MA);
PMU.setChargeTargetVoltage(XPOWERS_AXP2101_CHG_VOL_4V2);
PMU.clearIrqStatus();
PMU.disableTSPinMeasure();
// enable battery voltage measurement
MESH_DEBUG_PRINTLN("Enabling battery measurement");
PMU.enableBattVoltageMeasure();
PMU.enableVbusVoltageMeasure();
// Reset and re-enable PMU interrupts
MESH_DEBUG_PRINTLN("Re-enable interrupts");
PMU.disableIRQ(XPOWERS_AXP2101_ALL_IRQ);
PMU.clearIrqStatus();
PMU.enableIRQ(
XPOWERS_AXP2101_BAT_INSERT_IRQ | XPOWERS_AXP2101_BAT_REMOVE_IRQ | // Battery interrupts
XPOWERS_AXP2101_VBUS_INSERT_IRQ | XPOWERS_AXP2101_VBUS_REMOVE_IRQ | // VBUS interrupts
XPOWERS_AXP2101_PKEY_SHORT_IRQ | XPOWERS_AXP2101_PKEY_LONG_IRQ | // Power Key interrupts
XPOWERS_AXP2101_BAT_CHG_DONE_IRQ | XPOWERS_AXP2101_BAT_CHG_START_IRQ // Charging interrupts
);
// MESH_DEBUG_PRINTLN("Re-enable interrupts");
// PMU.disableIRQ(XPOWERS_AXP2101_ALL_IRQ);
// PMU.clearIrqStatus();
// PMU.enableIRQ(
// XPOWERS_AXP2101_BAT_INSERT_IRQ | XPOWERS_AXP2101_BAT_REMOVE_IRQ | // Battery interrupts
// XPOWERS_AXP2101_VBUS_INSERT_IRQ | XPOWERS_AXP2101_VBUS_REMOVE_IRQ | // VBUS interrupts
// XPOWERS_AXP2101_PKEY_SHORT_IRQ | XPOWERS_AXP2101_PKEY_LONG_IRQ | // Power Key interrupts
// XPOWERS_AXP2101_BAT_CHG_DONE_IRQ | XPOWERS_AXP2101_BAT_CHG_START_IRQ // Charging interrupts
// );
#ifdef MESH_DEBUG
// scanDevices(&Wire);
// scanDevices(&Wire1);
printPMU();
#endif
@@ -217,7 +289,7 @@ static bool l76kProbe()
bool radio_init() {
fallback_clock.begin();
Wire1.begin(PIN_BOARD_SDA1,PIN_BOARD_SCL1);
rtc_clock.begin(Wire1);
#ifdef SX126X_DIO3_TCXO_VOLTAGE