kopia lustrzana https://github.com/jgromes/RadioLib
add Pico HAL
Cameron Goddard
rodzic
86136d3b46
commit
e558f541e1
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build/
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cmake_minimum_required(VERSION 3.18)
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# Pull in SDK (must be before project)
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include(pico_sdk_import.cmake)
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project(pico-sx1276 C CXX ASM)
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set(CMAKE_C_STANDARD 11)
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set(CMAKE_CXX_STANDARD 17)
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# Initialize the SDK
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pico_sdk_init()
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add_compile_options(
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-Wall
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-Wno-format
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-Wno-unused-function
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)
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add_subdirectory("${CMAKE_CURRENT_SOURCE_DIR}/../../../../RadioLib" "${CMAKE_CURRENT_BINARY_DIR}/RadioLib")
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add_executable(${PROJECT_NAME}
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main.cpp
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)
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# Pull in common dependencies
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target_link_libraries(${PROJECT_NAME} pico_stdlib hardware_spi hardware_gpio hardware_timer RadioLib)
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pico_enable_stdio_usb(${PROJECT_NAME} 1)
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pico_enable_stdio_uart(${PROJECT_NAME} 0)
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# Create map/bin/hex file etc.
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pico_add_extra_outputs(${PROJECT_NAME})
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#ifndef PICO_HAL_H
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#define PICO_HAL_H
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// include RadioLib
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#include <RadioLib.h>
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// include the necessary Pico libraries
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#include <pico/stdlib.h>
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#include "hardware/spi.h"
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#include "hardware/timer.h"
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// create a new Raspberry Pi Pico hardware abstraction
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// layer using the Pico SDK
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// the HAL must inherit from the base RadioLibHal class
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// and implement all of its virtual methods
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class PicoHal : public RadioLibHal {
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public:
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PicoHal(spi_inst_t *spiChannel, uint32_t misoPin, uint32_t mosiPin, uint32_t sckPin, uint32_t spiSpeed = 500 * 1000)
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: RadioLibHal(GPIO_IN, GPIO_OUT, 0, 1, GPIO_IRQ_EDGE_RISE, GPIO_IRQ_EDGE_FALL),
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_spiChannel(spiChannel),
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_spiSpeed(spiSpeed),
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_misoPin(misoPin),
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_mosiPin(mosiPin),
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_sckPin(sckPin) {
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}
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void init() override {
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stdio_init_all();
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spiBegin();
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}
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void term() override {
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spiEnd();
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}
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// GPIO-related methods (pinMode, digitalWrite etc.) should check
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// RADIOLIB_NC as an alias for non-connected pins
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void pinMode(uint32_t pin, uint32_t mode) override {
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if (pin == RADIOLIB_NC) {
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return;
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}
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gpio_set_dir(pin, mode);
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}
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void digitalWrite(uint32_t pin, uint32_t value) override {
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if (pin == RADIOLIB_NC) {
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return;
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}
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gpio_put(pin, (bool)value);
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}
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uint32_t digitalRead(uint32_t pin) override {
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if (pin == RADIOLIB_NC) {
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return 0;
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}
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return gpio_get(pin);
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}
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void attachInterrupt(uint32_t interruptNum, void (*interruptCb)(void), uint32_t mode) override {
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if (interruptNum == RADIOLIB_NC) {
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return;
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}
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gpio_set_irq_enabled_with_callback(interruptNum, GPIO_IRQ_EDGE_RISE | GPIO_IRQ_EDGE_FALL, true, (gpio_irq_callback_t)interruptCb);
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}
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void detachInterrupt(uint32_t interruptNum) override {
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if (interruptNum == RADIOLIB_NC) {
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return;
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}
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gpio_set_irq_enabled_with_callback(interruptNum, GPIO_IRQ_EDGE_RISE | GPIO_IRQ_EDGE_FALL, false, NULL);
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}
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void delay(unsigned long ms) override {
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sleep_ms(ms);
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}
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void delayMicroseconds(unsigned long us) override {
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sleep_us(us);
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}
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unsigned long millis() override {
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return to_ms_since_boot(get_absolute_time());
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}
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unsigned long micros() override {
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return to_us_since_boot(get_absolute_time());
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}
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long pulseIn(uint32_t pin, uint32_t state, unsigned long timeout) override {
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if (pin == RADIOLIB_NC) {
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return 0;
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}
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this->pinMode(pin, GPIO_IN);
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uint32_t start = this->micros();
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uint32_t curtick = this->micros();
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while (this->digitalRead(pin) == state) {
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if ((this->micros() - curtick) > timeout) {
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return 0;
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}
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}
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return (this->micros() - start);
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}
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void spiBegin() {
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spi_init(_spiChannel, _spiSpeed);
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spi_set_format(_spiChannel, 8, SPI_CPOL_0, SPI_CPHA_0, SPI_MSB_FIRST);
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gpio_set_function(_sckPin, GPIO_FUNC_SPI);
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gpio_set_function(_mosiPin, GPIO_FUNC_SPI);
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gpio_set_function(_misoPin, GPIO_FUNC_SPI);
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}
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void spiBeginTransaction() {}
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void spiTransfer(uint8_t *out, size_t len, uint8_t *in) {
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spi_write_read_blocking(_spiChannel, out, in, len);
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}
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void spiEndTransaction() {}
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void spiEnd() {
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spi_deinit(_spiChannel);
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}
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private:
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// the HAL can contain any additional private members
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spi_inst_t *_spiChannel;
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uint32_t _spiSpeed;
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uint32_t _misoPin;
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uint32_t _mosiPin;
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uint32_t _sckPin;
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};
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#endif
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/*
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RadioLib Non-Arduino Raspberry Pi Pico library example
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Licensed under the MIT License
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Copyright (c) 2024 Cameron Goddard
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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// define pins to be used
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#define SPI_PORT spi0
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#define SPI_MISO 4
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#define SPI_MOSI 3
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#define SPI_SCK 2
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#define RFM_NSS 26
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#define RFM_RST 22
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#define RFM_DIO0 14
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#define RFM_DIO1 15
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#include <pico/stdlib.h>
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// include the library
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#include <RadioLib.h>
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// include the hardware abstraction layer
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#include "PicoHal.h"
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// create a new instance of the HAL class
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PicoHal* hal = new PicoHal(SPI_PORT, SPI_MISO, SPI_MOSI, SPI_SCK);
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// now we can create the radio module
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// NSS pin: 26
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// DIO0 pin: 14
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// RESET pin: 22
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// DIO1 pin: 15
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SX1276 radio = new Module(hal, RFM_NSS, RFM_DIO0, RFM_RST, RFM_DIO1);
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int main() {
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stdio_init_all();
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gpio_init(RFM_NSS);
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gpio_init(RFM_RST);
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gpio_set_dir(RFM_NSS, GPIO_OUT);
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gpio_set_dir(RFM_RST, GPIO_OUT);
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// reset the RF module
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sleep_ms(10);
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gpio_put(RFM_RST, 0);
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sleep_ms(10);
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gpio_put(RFM_RST, 1);
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// initialize just like with Arduino
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printf("[SX1276] Initializing ... ");
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int state = radio.begin();
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if (state != RADIOLIB_ERR_NONE) {
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printf("failed, code %d\n", state);
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return(1);
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}
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printf("success!\n");
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// loop forever
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for(;;) {
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// send a packet
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printf("[SX1276] Transmitting packet ... ");
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state = radio.transmit("Hello World!");
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if(state == RADIOLIB_ERR_NONE) {
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// the packet was successfully transmitted
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printf("success!\n");
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// wait for a second before transmitting again
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hal->delay(1000);
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} else {
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printf("failed, code %d\n", state);
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}
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}
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return(0);
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}
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# This is a copy of <PICO_SDK_PATH>/external/pico_sdk_import.cmake
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# This can be dropped into an external project to help locate this SDK
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# It should be include()ed prior to project()
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if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH))
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set(PICO_SDK_PATH $ENV{PICO_SDK_PATH})
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message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')")
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endif ()
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if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT} AND (NOT PICO_SDK_FETCH_FROM_GIT))
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set(PICO_SDK_FETCH_FROM_GIT $ENV{PICO_SDK_FETCH_FROM_GIT})
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message("Using PICO_SDK_FETCH_FROM_GIT from environment ('${PICO_SDK_FETCH_FROM_GIT}')")
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endif ()
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if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_PATH))
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set(PICO_SDK_FETCH_FROM_GIT_PATH $ENV{PICO_SDK_FETCH_FROM_GIT_PATH})
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message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')")
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endif ()
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set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK")
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set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable")
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set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")
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if (NOT PICO_SDK_PATH)
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if (PICO_SDK_FETCH_FROM_GIT)
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include(FetchContent)
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set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR})
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if (PICO_SDK_FETCH_FROM_GIT_PATH)
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get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_SDK_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
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endif ()
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# GIT_SUBMODULES_RECURSE was added in 3.17
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if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0")
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FetchContent_Declare(
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pico_sdk
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GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
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GIT_TAG master
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GIT_SUBMODULES_RECURSE FALSE
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)
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else ()
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FetchContent_Declare(
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pico_sdk
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GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
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GIT_TAG master
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)
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endif ()
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if (NOT pico_sdk)
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message("Downloading Raspberry Pi Pico SDK")
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FetchContent_Populate(pico_sdk)
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set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR})
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endif ()
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set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
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else ()
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message(FATAL_ERROR
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"SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git."
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)
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endif ()
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endif ()
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get_filename_component(PICO_SDK_PATH "${PICO_SDK_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
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if (NOT EXISTS ${PICO_SDK_PATH})
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message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' not found")
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endif ()
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set(PICO_SDK_INIT_CMAKE_FILE ${PICO_SDK_PATH}/pico_sdk_init.cmake)
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if (NOT EXISTS ${PICO_SDK_INIT_CMAKE_FILE})
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message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the Raspberry Pi Pico SDK")
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endif ()
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set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE)
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include(${PICO_SDK_INIT_CMAKE_FILE})
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