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add MiniCAN example
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‎.github/workflows/arduino-action-cores3-compile.yml ‎.github/workflows/arduino-action-compile.yml

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# You may add a suffix behind the fqbn with "|" to specify one board for e.g. different compile options like arduino:avr:uno|trace
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#############################################################################################################
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arduino-boards-fqbn:
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- m5stack:esp32:cores3
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- m5stack:esp32:m5stack_cores3
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# Specify parameters for each board.
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#############################################################################################################
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include:
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- arduino-boards-fqbn: m5stack:esp32:cores3
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- arduino-boards-fqbn: m5stack:esp32:m5stack_cores3
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platform-url: https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/arduino/package_m5stack_index.json
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sketches-exclude: WhistleSwitch,50Hz,SimpleFrequencyDetector
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‎README.md

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# M5CoreS3 Library
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[![Arduino Compile](https://github.com/m5stack/M5CoreS3/actions/workflows/arduino-action-cores3-compile.yml/badge.svg)](https://github.com/m5stack/M5CoreS3/actions/workflows/arduino-action-cores3-compile.yml)
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[![Arduino Compile](https://github.com/m5stack/M5CoreS3/actions/workflows/arduino-action-compile.yml/badge.svg)](https://github.com/m5stack/M5CoreS3/actions/workflows/arduino-action-compile.yml)
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[![Arduino Lint](https://github.com/m5stack/M5CoreS3/actions/workflows/Arduino-Lint-Check.yml/badge.svg)](https://github.com/m5stack/M5CoreS3/actions/workflows/Arduino-Lint-Check.yml)
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[![Clang Format](https://github.com/m5stack/M5CoreS3/actions/workflows/clang-format-check.yml/badge.svg)](https://github.com/m5stack/M5CoreS3/actions/workflows/clang-format-check.yml)
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‎README_cn.md

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# M5CoreS3 Library
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[![Arduino Compile](https://github.com/m5stack/M5CoreS3/actions/workflows/arduino-action-cores3-compile.yml/badge.svg)](https://github.com/m5stack/M5CoreS3/actions/workflows/arduino-action-cores3-compile.yml)
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[![Arduino Compile](https://github.com/m5stack/M5CoreS3/actions/workflows/arduino-action-compile.yml/badge.svg)](https://github.com/m5stack/M5CoreS3/actions/workflows/arduino-action-compile.yml)
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[![Arduino Lint](https://github.com/m5stack/M5CoreS3/actions/workflows/Arduino-Lint-Check.yml/badge.svg)](https://github.com/m5stack/M5CoreS3/actions/workflows/Arduino-Lint-Check.yml)
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[![Clang Format](https://github.com/m5stack/M5CoreS3/actions/workflows/clang-format-check.yml/badge.svg)](https://github.com/m5stack/M5CoreS3/actions/workflows/clang-format-check.yml)
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‎examples/Unit/MiniCAN_TJA1051T/Master/Master.ino

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/**
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* @file Slave.ino
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* @author SeanKwok ([email protected])
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* @brief Unit Mini CAN Test Master
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* @version 0.1
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* @date 2024-02-01
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*
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*
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* @Hardwares: M5CoreS3 + Unit Mini CAN
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* @Platform Version: Arduino M5Stack Board Manager v2.0.9
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* @Dependent Library:
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* M5GFX: https://github.com/m5stack/M5GFX
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* M5Unified: https://github.com/m5stack/M5Unified
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* M5CoreS3: https://github.com/m5stack/M5CoreS3
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/queue.h"
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#include "freertos/semphr.h"
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#include "esp_err.h"
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#include "esp_log.h"
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#include "driver/twai.h"
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#include "esp_err.h"
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#include "M5CoreS3.h"
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M5Canvas canvas(&CoreS3.Display);
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/* --------------------- Definitions and static variables ------------------ */
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#define TX_TASK_PRIO 8 // Receiving task priority
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#define TX_GPIO_NUM gpio_num_t(9)
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#define RX_GPIO_NUM gpio_num_t(8)
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static const twai_general_config_t g_config =
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TWAI_GENERAL_CONFIG_DEFAULT(TX_GPIO_NUM, RX_GPIO_NUM, TWAI_MODE_NORMAL);
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static const twai_timing_config_t t_config = TWAI_TIMING_CONFIG_25KBITS();
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static const twai_filter_config_t f_config = TWAI_FILTER_CONFIG_ACCEPT_ALL();
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#define ID_SLAVE_1 0x0B1
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static const twai_message_t slave_1_on = {.identifier = ID_SLAVE_1,
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.data_length_code = 8,
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.data = {1, 2, 3, 4, 5, 6, 7, 8}};
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static const twai_message_t slave_1_off = {.identifier = ID_SLAVE_1,
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.data_length_code = 8,
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.data = {0, 0, 0, 0, 0, 0, 0, 0}};
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static void twai_transmit_task(void *arg) {
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while (1) {
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twai_transmit(&slave_1_on, portMAX_DELAY);
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Serial.printf("send cmd on to 0x%02X\r\n", ID_SLAVE_1);
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Serial.print("send data: ");
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canvas.printf("send cmd on to 0x%02X\r\n", ID_SLAVE_1);
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canvas.print("send data: ");
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for (int i = 0; i < slave_1_on.data_length_code; i++) {
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Serial.printf("0x%02X ", slave_1_on.data[i]);
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canvas.printf("0x%02X ", slave_1_on.data[i]);
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}
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Serial.println();
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canvas.println("\r\n");
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canvas.pushSprite(0, 0);
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vTaskDelay(pdMS_TO_TICKS(1000));
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twai_transmit(&slave_1_off, portMAX_DELAY);
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Serial.printf("send cmd off to 0x%02X\r\n", ID_SLAVE_1);
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Serial.print("send data: ");
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canvas.printf("send cmd off to 0x%02X\r\n", ID_SLAVE_1);
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canvas.print("send data: ");
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for (int i = 0; i < slave_1_off.data_length_code; i++) {
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Serial.printf("0x%02X ", slave_1_off.data[i]);
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canvas.printf("0x%02X ", slave_1_on.data[i]);
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}
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Serial.println();
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canvas.println("\r\n");
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canvas.pushSprite(0, 0);
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vTaskDelay(pdMS_TO_TICKS(1000));
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}
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vTaskDelete(NULL);
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}
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void setup() {
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auto cfg = M5.config();
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CoreS3.begin(cfg);
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canvas.setColorDepth(1); // mono color
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canvas.createSprite(CoreS3.Display.width(), CoreS3.Display.height());
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canvas.setPaletteColor(1, GREEN);
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canvas.setTextScroll(true);
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canvas.println("CAN Master");
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canvas.pushSprite(0, 0);
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ESP_ERROR_CHECK(twai_driver_install(&g_config, &t_config, &f_config));
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Serial.println("Driver installed");
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ESP_ERROR_CHECK(twai_start());
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xTaskCreatePinnedToCore(twai_transmit_task, "twai_transmit_task", 4096,
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NULL, TX_TASK_PRIO, NULL, tskNO_AFFINITY);
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}
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void loop() {
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}

‎examples/Unit/MiniCAN_TJA1051T/Slave/Slave.ino

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/**
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* @file Slave.ino
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* @author SeanKwok ([email protected])
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* @brief Unit Mini CAN Test Slave
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* @version 0.1
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* @date 2024-02-01
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*
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*
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* @Hardwares: M5CoreS3 + Unit Mini CAN
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* @Platform Version: Arduino M5Stack Board Manager v2.0.9
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* @Dependent Library:
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* M5GFX: https://github.com/m5stack/M5GFX
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* M5Unified: https://github.com/m5stack/M5Unified
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* M5CoreS3: https://github.com/m5stack/M5CoreS3
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/queue.h"
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#include "freertos/semphr.h"
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#include "esp_err.h"
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#include "esp_log.h"
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#include "driver/twai.h"
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#include "esp_err.h"
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#include "M5CoreS3.h"
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M5Canvas canvas(&CoreS3.Display);
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/* --------------------- Definitions and static variables ------------------ */
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#define RX_TASK_PRIO 8 // Receiving task priority
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#define TX_GPIO_NUM gpio_num_t(9)
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#define RX_GPIO_NUM gpio_num_t(8)
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static const twai_general_config_t g_config =
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TWAI_GENERAL_CONFIG_DEFAULT(TX_GPIO_NUM, RX_GPIO_NUM, TWAI_MODE_NORMAL);
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static const twai_timing_config_t t_config = TWAI_TIMING_CONFIG_25KBITS();
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static const twai_filter_config_t f_config = TWAI_FILTER_CONFIG_ACCEPT_ALL();
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static void twai_receive_task(void *arg) {
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twai_message_t rx_msg;
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while (1) {
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twai_receive(&rx_msg, portMAX_DELAY);
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Serial.printf("received identifier: 0x%02X\r\n", rx_msg.identifier);
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canvas.printf("received identifier: 0x%02X\r\n", rx_msg.identifier);
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// rx_msg.data
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Serial.print("received data: ");
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canvas.print("received data: ");
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for (int i = 0; i < rx_msg.data_length_code; i++) {
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Serial.printf("0x%02X ", rx_msg.data[i]);
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canvas.printf("0x%02X ", rx_msg.data[i]);
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}
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Serial.println();
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canvas.println("\r\n");
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canvas.pushSprite(0, 0);
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vTaskDelay(pdMS_TO_TICKS(100));
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}
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vTaskDelete(NULL);
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}
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void setup() {
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auto cfg = M5.config();
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CoreS3.begin(cfg);
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canvas.setColorDepth(1); // mono color
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canvas.createSprite(CoreS3.Display.width(), CoreS3.Display.height());
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canvas.setPaletteColor(1, GREEN);
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canvas.setTextScroll(true);
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canvas.println("CAN Slave");
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canvas.pushSprite(0, 0);
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ESP_ERROR_CHECK(twai_driver_install(&g_config, &t_config, &f_config));
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Serial.println("Driver installed");
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ESP_ERROR_CHECK(twai_start());
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xTaskCreatePinnedToCore(twai_receive_task, "twai_receive_task", 4096, NULL,
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RX_TASK_PRIO, NULL, tskNO_AFFINITY);
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}
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void loop() {
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}

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