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[rak4630] enable 3.3v periphery before scan for i2c devices (#1847)

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Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
This commit is contained in:
Mykhailo Lesyk 2022-10-22 17:55:34 -07:00 committed by GitHub
parent 568434d0fa
commit 41267a42f7
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 14 additions and 2 deletions
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6
src/main.cpp
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@ -242,6 +242,12 @@ void setup()
delay(1); delay(1);
#endif #endif
#ifdef RAK4630
// We need to enable 3.3V periphery in order to scan it
pinMode(PIN_3V3_EN, OUTPUT);
digitalWrite(PIN_3V3_EN, 1);
#endif
// We need to scan here to decide if we have a screen for nodeDB.init() // We need to scan here to decide if we have a screen for nodeDB.init()
scanI2Cdevice(); scanI2Cdevice();
#ifdef RAK4630 #ifdef RAK4630

5
variants/rak4631/variant.h
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@ -185,6 +185,9 @@ static const uint8_t SCK = PIN_SPI_SCK;
#define SX126X_RXEN (37) #define SX126X_RXEN (37)
#define SX126X_E22 // DIO2 controlls an antenna switch and the TCXO voltage is controlled by DIO3 #define SX126X_E22 // DIO2 controlls an antenna switch and the TCXO voltage is controlled by DIO3
// enables 3.3V periphery like GPS or IO Module
#define PIN_3V3_EN (34)
// RAK1910 GPS module // RAK1910 GPS module
// If using the wisblock GPS module and pluged into Port A on WisBlock base // If using the wisblock GPS module and pluged into Port A on WisBlock base
// IO1 is hooked to PPS (pin 12 on header) = gpio 17 // IO1 is hooked to PPS (pin 12 on header) = gpio 17
@ -192,7 +195,7 @@ static const uint8_t SCK = PIN_SPI_SCK;
// Therefore must be 1 to keep peripherals powered // Therefore must be 1 to keep peripherals powered
// Power is on the controllable 3V3_S rail // Power is on the controllable 3V3_S rail
// #define PIN_GPS_RESET (34) // #define PIN_GPS_RESET (34)
#define PIN_GPS_EN (34) #define PIN_GPS_EN PIN_3V3_EN
#define PIN_GPS_PPS (17) // Pulse per second input from the GPS #define PIN_GPS_PPS (17) // Pulse per second input from the GPS
#define GPS_RX_PIN PIN_SERIAL1_RX #define GPS_RX_PIN PIN_SERIAL1_RX

5
variants/rak4631_epaper/variant.h
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@ -185,6 +185,9 @@ static const uint8_t SCK = PIN_SPI_SCK;
#define SX126X_RXEN (37) #define SX126X_RXEN (37)
#define SX126X_E22 // DIO2 controlls an antenna switch and the TCXO voltage is controlled by DIO3 #define SX126X_E22 // DIO2 controlls an antenna switch and the TCXO voltage is controlled by DIO3
// enables 3.3V periphery like GPS or IO Module
#define PIN_3V3_EN (34)
// RAK1910 GPS module // RAK1910 GPS module
// If using the wisblock GPS module and pluged into Port A on WisBlock base // If using the wisblock GPS module and pluged into Port A on WisBlock base
// IO1 is hooked to PPS (pin 12 on header) = gpio 17 // IO1 is hooked to PPS (pin 12 on header) = gpio 17
@ -192,7 +195,7 @@ static const uint8_t SCK = PIN_SPI_SCK;
// Therefore must be 1 to keep peripherals powered // Therefore must be 1 to keep peripherals powered
// Power is on the controllable 3V3_S rail // Power is on the controllable 3V3_S rail
// #define PIN_GPS_RESET (34) // #define PIN_GPS_RESET (34)
#define PIN_GPS_EN (34) #define PIN_GPS_EN PIN_3V3_EN
#define PIN_GPS_PPS (17) // Pulse per second input from the GPS #define PIN_GPS_PPS (17) // Pulse per second input from the GPS
#define GPS_RX_PIN PIN_SERIAL1_RX #define GPS_RX_PIN PIN_SERIAL1_RX