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Merge pull request #805 from csrutil/tiny-relay-variant
Tiny relay variant
2 parents 4daad75 + a1622ba commit 695473f

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‎boards/tiny_relay.json‎

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{
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"build": {
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"arduino": {
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"variant_h": "variant_RAK3172_MODULE.h"
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},
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"core": "stm32",
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"cpu": "cortex-m4",
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"extra_flags": "-DSTM32WL -DSTM32WLxx -DSTM32WLE5xx",
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"framework_extra_flags": {
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"arduino": "-DUSE_CM4_STARTUP_FILE -DARDUINO_RAK3172_MODULE"
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},
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"f_cpu": "48000000L",
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"mcu": "stm32wle5ccu",
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"product_line": "STM32WLE5xx",
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"variant": "STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U"
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},
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"debug": {
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"default_tools": ["stlink"],
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"jlink_device": "STM32WLE5CC",
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"openocd_target": "stm32wlx",
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"svd_path": "STM32WLE5_CM4.svd"
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},
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"frameworks": ["arduino"],
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"name": "BB-STM32WL",
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"upload": {
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"maximum_ram_size": 65536,
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"maximum_size": 262144,
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"protocol": "stlink",
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"protocols": ["stlink", "jlink"]
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},
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"url": "https://www.st.com/en/microcontrollers-microprocessors/stm32wle5cc.html",
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"vendor": "YAOYAO"
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}

‎variants/tiny_relay/platformio.ini‎

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[Tiny_Relay]
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extends = stm32_base
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board = tiny_relay
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board_upload.maximum_size = 229376 ; 32kb for FS
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build_flags = ${stm32_base.build_flags}
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-D RADIO_CLASS=CustomSTM32WLx
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-D WRAPPER_CLASS=CustomSTM32WLxWrapper
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-D SPI_INTERFACES_COUNT=0
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-D RX_BOOSTED_GAIN=true
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; -D STM32WL_TCXO_VOLTAGE=1.6 ; defaults to 0 if undef
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; -D LORA_TX_POWER=14 ; Defaults to 22 for HP, 14 is for LP version
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-D LORA_TX_POWER=22 ; Enable 22dBm transmission
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-D MAX_LORA_TX_POWER=22 ; Allow setting up to 22dBm in companion radio
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-I variants/tiny_relay
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build_src_filter = ${stm32_base.build_src_filter}
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+<../variants/tiny_relay>
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[env:Tiny_Relay-repeater]
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extends = Tiny_Relay
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build_flags = ${Tiny_Relay.build_flags}
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-D ADVERT_NAME='"tiny_relay Repeater"'
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-D ADMIN_PASSWORD='"password"'
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build_src_filter = ${Tiny_Relay.build_src_filter}
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+<../examples/simple_repeater/main.cpp>
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[env:Tiny_Relay-sensor]
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extends = Tiny_Relay
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build_flags = ${Tiny_Relay.build_flags}
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-D ADVERT_NAME='"tiny_relay Sensor"'
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-D ADMIN_PASSWORD='"password"'
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build_src_filter = ${Tiny_Relay.build_src_filter}
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+<../examples/simple_sensor>
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[env:Tiny_Relay_companion_radio_usb]
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extends = Tiny_Relay
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build_flags = ${Tiny_Relay.build_flags}
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; -D FORMAT_FS=true
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-D MAX_CONTACTS=100
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-D MAX_GROUP_CHANNELS=8
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-D MAX_LORA_TX_POWER=22
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build_src_filter = ${Tiny_Relay.build_src_filter}
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+<../examples/companion_radio/*.cpp>
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lib_deps = ${Tiny_Relay.lib_deps}
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densaugeo/base64 @ ~1.4.0

‎variants/tiny_relay/target.cpp‎

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#include "target.h"
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#include <Arduino.h>
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#include <helpers/ArduinoHelpers.h>
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TinyRelayBoard board;
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RADIO_CLASS radio = new STM32WLx_Module();
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WRAPPER_CLASS radio_driver(radio, board);
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static const uint32_t rfswitch_pins[] = {LORAWAN_RFSWITCH_PINS, RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC};
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static const Module::RfSwitchMode_t rfswitch_table[] = {
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{STM32WLx::MODE_IDLE, {LOW, LOW}},
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{STM32WLx::MODE_RX, {HIGH, LOW}},
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{STM32WLx::MODE_TX_LP, {LOW, HIGH}},
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{STM32WLx::MODE_TX_HP, {LOW, HIGH}},
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END_OF_MODE_TABLE,
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};
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VolatileRTCClock rtc_clock;
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SensorManager sensors;
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#ifndef LORA_CR
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#define LORA_CR 5
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#endif
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#ifndef STM32WL_TCXO_VOLTAGE
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// TCXO set to 0 for RAK3172
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#define STM32WL_TCXO_VOLTAGE 0
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#endif
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#ifndef LORA_TX_POWER
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#define LORA_TX_POWER 22
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#endif
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bool radio_init()
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{
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// rtc_clock.begin(Wire);
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radio.setRfSwitchTable(rfswitch_pins, rfswitch_table);
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int status = radio.begin(LORA_FREQ, LORA_BW, LORA_SF, LORA_CR, RADIOLIB_SX126X_SYNC_WORD_PRIVATE, LORA_TX_POWER, 16,
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STM32WL_TCXO_VOLTAGE, 0);
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if (status != RADIOLIB_ERR_NONE) {
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Serial.print("ERROR: radio init failed: ");
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Serial.println(status);
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return false; // fail
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}
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#ifdef RX_BOOSTED_GAIN
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radio.setRxBoostedGainMode(RX_BOOSTED_GAIN);
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#endif
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radio.setCRC(1);
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return true; // success
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}
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uint32_t radio_get_rng_seed()
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{
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return radio.random(0x7FFFFFFF);
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}
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void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr)
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{
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radio.setFrequency(freq);
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radio.setSpreadingFactor(sf);
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radio.setBandwidth(bw);
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radio.setCodingRate(cr);
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}
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void radio_set_tx_power(uint8_t dbm)
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{
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radio.setOutputPower(dbm);
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}
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mesh::LocalIdentity radio_new_identity()
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{
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RadioNoiseListener rng(radio);
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return mesh::LocalIdentity(&rng); // create new random identity
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}

‎variants/tiny_relay/target.h‎

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#pragma once
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#define RADIOLIB_STATIC_ONLY 1
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#include <RadioLib.h>
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#include <helpers/ArduinoHelpers.h>
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#include <helpers/SensorManager.h>
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#include <helpers/radiolib/CustomSTM32WLxWrapper.h>
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#include <helpers/radiolib/RadioLibWrappers.h>
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#include <helpers/stm32/STM32Board.h>
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#define PIN_VBAT_READ A0
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#define ADC_MULTIPLIER (5 * 1.73 * 1000)
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class TinyRelayBoard : public STM32Board
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{
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public:
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void begin() override
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{
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STM32Board::begin();
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pinMode(PA0, OUTPUT);
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pinMode(PA1, OUTPUT);
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}
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const char *getManufacturerName() const override { return "Tiny Relay"; }
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uint16_t getBattMilliVolts() override
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{
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analogReadResolution(12);
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uint32_t raw = 0;
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for (int i = 0; i < 8; i++) {
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raw += analogRead(PIN_VBAT_READ);
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}
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return ((double)raw) * ADC_MULTIPLIER / 8 / 4096;
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}
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void setGpio(uint32_t values) override
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{
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// set led values
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digitalWrite(PA0, values & 1);
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digitalWrite(PA1, (values & 2) >> 1);
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}
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uint32_t getGpio() override
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{
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// get led value
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return (digitalRead(PA1) << 1) | digitalRead(PA0);
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}
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};
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extern TinyRelayBoard board;
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extern WRAPPER_CLASS radio_driver;
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extern VolatileRTCClock rtc_clock;
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extern SensorManager sensors;
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bool radio_init();
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uint32_t radio_get_rng_seed();
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void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr);
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void radio_set_tx_power(uint8_t dbm);
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mesh::LocalIdentity radio_new_identity();

‎variants/tiny_relay/variant.h‎

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#pragma once
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#include <variant_RAK3172_MODULE.h>
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#undef RNG

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