From 5fc53d13d08afa46229200f115091d53c8e38f1f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Thomas=20G=C3=B6ttgens?= Date: Thu, 14 Mar 2024 16:44:02 +0100 Subject: [PATCH] (3/3) Add variant for pico with waveshare and GPS hat, utilizing slow clock. --- src/configuration.h | 1 + src/detect/ScanI2CTwoWire.cpp | 3 +- src/modules/Telemetry/Sensor/INA219Sensor.cpp | 6 +- variants/rpipico-slowclock/platformio.ini | 28 ++++++ variants/rpipico-slowclock/variant.h | 87 +++++++++++++++++++ 5 files changed, 123 insertions(+), 2 deletions(-) create mode 100644 variants/rpipico-slowclock/platformio.ini create mode 100644 variants/rpipico-slowclock/variant.h diff --git a/src/configuration.h b/src/configuration.h index ac8f9435a7..ec32c72d1d 100644 --- a/src/configuration.h +++ b/src/configuration.h @@ -111,6 +111,7 @@ along with this program. If not, see . #define MCP9808_ADDR 0x18 #define INA_ADDR 0x40 #define INA_ADDR_ALTERNATE 0x41 +#define INA_ADDR_WAVESHARE_UPS 0x43 #define INA3221_ADDR 0x42 #define QMC6310_ADDR 0x1C #define QMI8658_ADDR 0x6B diff --git a/src/detect/ScanI2CTwoWire.cpp b/src/detect/ScanI2CTwoWire.cpp index b6eca5fa4c..b6fafe4577 100644 --- a/src/detect/ScanI2CTwoWire.cpp +++ b/src/detect/ScanI2CTwoWire.cpp @@ -184,7 +184,7 @@ void ScanI2CTwoWire::scanPort(I2CPort port) #if !defined(ARCH_PORTDUINO) && !defined(ARCH_STM32WL) case ATECC608B_ADDR: type = ATECC608B; - if (atecc.begin(addr.address) == true) { + if (atecc.begin(addr.address, Wire, Serial2) == true) { LOG_INFO("ATECC608B initialized\n"); } else { LOG_WARN("ATECC608B initialization failed\n"); @@ -254,6 +254,7 @@ void ScanI2CTwoWire::scanPort(I2CPort port) case INA_ADDR: case INA_ADDR_ALTERNATE: + case INA_ADDR_WAVESHARE_UPS: registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0xFE), 2); LOG_DEBUG("Register MFG_UID: 0x%x\n", registerValue); if (registerValue == 0x5449) { diff --git a/src/modules/Telemetry/Sensor/INA219Sensor.cpp b/src/modules/Telemetry/Sensor/INA219Sensor.cpp index 5a1faa99ff..ecb5643686 100644 --- a/src/modules/Telemetry/Sensor/INA219Sensor.cpp +++ b/src/modules/Telemetry/Sensor/INA219Sensor.cpp @@ -4,6 +4,10 @@ #include "configuration.h" #include +#ifndef INA219_MULTIPLIER +#define INA219_MULTIPLIER 1.0f +#endif + INA219Sensor::INA219Sensor() : TelemetrySensor(meshtastic_TelemetrySensorType_INA219, "INA219") {} int32_t INA219Sensor::runOnce() @@ -26,7 +30,7 @@ void INA219Sensor::setup() {} bool INA219Sensor::getMetrics(meshtastic_Telemetry *measurement) { measurement->variant.environment_metrics.voltage = ina219.getBusVoltage_V(); - measurement->variant.environment_metrics.current = ina219.getCurrent_mA(); + measurement->variant.environment_metrics.current = ina219.getCurrent_mA() * INA219_MULTIPLIER; return true; } diff --git a/variants/rpipico-slowclock/platformio.ini b/variants/rpipico-slowclock/platformio.ini new file mode 100644 index 0000000000..e583c4b0d5 --- /dev/null +++ b/variants/rpipico-slowclock/platformio.ini @@ -0,0 +1,28 @@ +[env:pico_slowclock] +extends = rp2040_base +board = rpipico +upload_protocol = jlink +# debug settings for external openocd with RP2040 support (custom build) +debug_tool = custom +debug_init_cmds = + target extended-remote localhost:3333 + $INIT_BREAK + monitor reset halt + $LOAD_CMDS + monitor init + monitor reset halt + +# add our variants files to the include and src paths +build_flags = ${rp2040_base.build_flags} + -DRPI_PICO + -Ivariants/rpipico_slowclock + -DDEBUG_RP2040_PORT=Serial2 + -DHW_SPI1_DEVICE + -L "${platformio.libdeps_dir}/${this.__env__}/BSEC2 Software Library/src/cortex-m0plus" + -g + -DNO_USB +lib_deps = + ${rp2040_base.lib_deps} +debug_build_flags = ${rp2040_base.build_flags} + -g + -DNO_USB \ No newline at end of file diff --git a/variants/rpipico-slowclock/variant.h b/variants/rpipico-slowclock/variant.h new file mode 100644 index 0000000000..fb97ec0fbf --- /dev/null +++ b/variants/rpipico-slowclock/variant.h @@ -0,0 +1,87 @@ +#define ARDUINO_ARCH_AVR + +// Build with slow system clock enabled to reduce power consumption. +#define RP2040_SLOW_CLOCK + +#ifdef RP2040_SLOW_CLOCK +// Redefine UART1 serial log output to avoid collision with UART0 for GPS. +#define SERIAL2_TX 4 +#define SERIAL2_RX 5 +// Reroute log output in SensorLib when USB is not available +#define log_e(...) Serial2.printf(__VA_ARGS__) +#define log_i(...) Serial2.printf(__VA_ARGS__) +#define log_d(...) Serial2.printf(__VA_ARGS__) +#endif + +// Expecting the Waveshare Pico GPS hat +#define HAS_GPS 1 + +// Enable OLED Screen +#define HAS_SCREEN 1 +#define USE_SH1106 1 +#define RESET_OLED 13 + +// Redefine I2C0 pins to avoid collision with UART1/Serial2. +#define I2C_SDA 8 +#define I2C_SCL 9 + +// Redefine Waveshare UPS-A/B I2C_1 pins: +#define I2C_SDA1 6 +#define I2C_SCL1 7 +// Waveshare UPS-A/B uses a 0.01 Ohm shunt for the INA219 sensor +#define INA219_MULTIPLIER 10.0f + +// Waveshare Pico GPS L76B pins: +#define GPS_RX_PIN 1 +#define GPS_TX_PIN 0 + +// Wakeup from backup mode +// #define PIN_GPS_FORCE_ON 14 +// No GPS reset available +#undef PIN_GPS_RESET +/* + * For PPS output the resistor R20 needs to be populated with 0 Ohm + * on the Waveshare Pico GPS board. + */ +#define PIN_GPS_PPS 16 +/* + * For standby mode switching the resistor R18 needs to be populated + * with 0 Ohm on the Waveshare Pico GPS board. + */ +#define PIN_GPS_STANDBY 17 + +#define BUTTON_PIN 18 +#define EXT_NOTIFY_OUT 22 +#define LED_PIN PIN_LED + +#define BATTERY_PIN 26 +// ratio of voltage divider = 3.0 (R17=200k, R18=100k) +#define ADC_MULTIPLIER 3.1 // 3.0 + a bit for being optimistic +#define BATTERY_SENSE_RESOLUTION_BITS ADC_RESOLUTION + +#define USE_SX1262 + +#undef LORA_SCK +#undef LORA_MISO +#undef LORA_MOSI +#undef LORA_CS + +#define LORA_SCK 10 +#define LORA_MISO 12 +#define LORA_MOSI 11 +#define LORA_CS 3 + +#define LORA_DIO0 RADIOLIB_NC +#define LORA_RESET 15 +#define LORA_DIO1 20 +#define LORA_DIO2 2 +#define LORA_DIO3 RADIOLIB_NC + +#ifdef USE_SX1262 +#define SX126X_CS LORA_CS +#define SX126X_DIO1 LORA_DIO1 +#define SX126X_BUSY LORA_DIO2 +#define SX126X_RESET LORA_RESET +#define SX126X_DIO2_AS_RF_SWITCH +#define SX126X_DIO3_TCXO_VOLTAGE 1.8 +#endif \ No newline at end of file