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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /** | ||
| * @file Slave.ino | ||
| * @author SeanKwok ([email protected]) | ||
| * @brief Unit Mini CAN Test Master | ||
| * @version 0.1 | ||
| * @date 2024-02-01 | ||
| * | ||
| * | ||
| * @Hardwares: M5AtomS3 + Unit Mini CAN | ||
| * @Platform Version: Arduino M5Stack Board Manager v2.0.9 | ||
| * @Dependent Library: | ||
| * M5GFX: https://github.com/m5stack/M5GFX | ||
| * M5Unified: https://github.com/m5stack/M5Unified | ||
| * M5AtomS3: https://github.com/m5stack/M5AtomS3 | ||
| */ | ||
|
|
||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include "freertos/FreeRTOS.h" | ||
| #include "freertos/task.h" | ||
| #include "freertos/queue.h" | ||
| #include "freertos/semphr.h" | ||
| #include "esp_err.h" | ||
| #include "esp_log.h" | ||
| #include "driver/twai.h" | ||
| #include "esp_err.h" | ||
|
|
||
| #include "M5AtomS3.h" | ||
|
|
||
| /* --------------------- Definitions and static variables ------------------ */ | ||
|
|
||
| #define TX_TASK_PRIO 8 // Receiving task priority | ||
| #define TX_GPIO_NUM gpio_num_t(2) | ||
| #define RX_GPIO_NUM gpio_num_t(1) | ||
|
|
||
| static const twai_general_config_t g_config = | ||
| TWAI_GENERAL_CONFIG_DEFAULT(TX_GPIO_NUM, RX_GPIO_NUM, TWAI_MODE_NORMAL); | ||
| static const twai_timing_config_t t_config = TWAI_TIMING_CONFIG_25KBITS(); | ||
| static const twai_filter_config_t f_config = TWAI_FILTER_CONFIG_ACCEPT_ALL(); | ||
|
|
||
| #define ID_SLAVE_1 0x0B1 | ||
|
|
||
| static const twai_message_t slave_1_on = {.identifier = ID_SLAVE_1, | ||
| .data_length_code = 8, | ||
| .data = {1, 2, 3, 4, 5, 6, 7, 8}}; | ||
|
|
||
| static const twai_message_t slave_1_off = {.identifier = ID_SLAVE_1, | ||
| .data_length_code = 8, | ||
| .data = {0, 0, 0, 0, 0, 0, 0, 0}}; | ||
|
|
||
| static void twai_transmit_task(void *arg) { | ||
| while (1) { | ||
| twai_transmit(&slave_1_on, portMAX_DELAY); | ||
| Serial.printf("send cmd on to 0x%02X\r\n", ID_SLAVE_1); | ||
| Serial.print("send data: "); | ||
| for (int i = 0; i < slave_1_on.data_length_code; i++) { | ||
| Serial.printf("0x%02X ", slave_1_on.data[i]); | ||
| } | ||
| Serial.println(); | ||
|
|
||
| vTaskDelay(pdMS_TO_TICKS(1000)); | ||
|
|
||
| twai_transmit(&slave_1_off, portMAX_DELAY); | ||
| Serial.printf("send cmd off to 0x%02X\r\n", ID_SLAVE_1); | ||
| Serial.print("send data: "); | ||
| for (int i = 0; i < slave_1_off.data_length_code; i++) { | ||
| Serial.printf("0x%02X ", slave_1_off.data[i]); | ||
| } | ||
| Serial.println(); | ||
| vTaskDelay(pdMS_TO_TICKS(1000)); | ||
| } | ||
| vTaskDelete(NULL); | ||
| } | ||
|
|
||
| void setup() { | ||
| auto cfg = M5.config(); | ||
| AtomS3.begin(cfg); | ||
|
|
||
| AtomS3.Display.setTextColor(GREEN); | ||
| AtomS3.Display.setTextDatum(middle_center); | ||
| AtomS3.Display.setFont(&fonts::FreeSansBold9pt7b); | ||
| AtomS3.Display.setTextSize(1); | ||
|
|
||
| AtomS3.Display.drawString("CAN Master", AtomS3.Display.width() / 2, | ||
| AtomS3.Display.height() / 2); | ||
|
|
||
| ESP_ERROR_CHECK(twai_driver_install(&g_config, &t_config, &f_config)); | ||
| Serial.println("Driver installed"); | ||
| ESP_ERROR_CHECK(twai_start()); | ||
| xTaskCreatePinnedToCore(twai_transmit_task, "twai_transmit_task", 4096, | ||
| NULL, TX_TASK_PRIO, NULL, tskNO_AFFINITY); | ||
| } | ||
|
|
||
| void loop() { | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| /** | ||
| * @file Slave.ino | ||
| * @author SeanKwok ([email protected]) | ||
| * @brief Unit Mini CAN Test Slave | ||
| * @version 0.1 | ||
| * @date 2024-02-01 | ||
| * | ||
| * | ||
| * @Hardwares: M5AtomS3 + Unit Mini CAN | ||
| * @Platform Version: Arduino M5Stack Board Manager v2.0.9 | ||
| * @Dependent Library: | ||
| * M5GFX: https://github.com/m5stack/M5GFX | ||
| * M5Unified: https://github.com/m5stack/M5Unified | ||
| * M5AtomS3: https://github.com/m5stack/M5AtomS3 | ||
| */ | ||
|
|
||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include "freertos/FreeRTOS.h" | ||
| #include "freertos/task.h" | ||
| #include "freertos/queue.h" | ||
| #include "freertos/semphr.h" | ||
| #include "esp_err.h" | ||
| #include "esp_log.h" | ||
| #include "driver/twai.h" | ||
| #include "esp_err.h" | ||
|
|
||
| #include "M5AtomS3.h" | ||
|
|
||
| /* --------------------- Definitions and static variables ------------------ */ | ||
|
|
||
| #define RX_TASK_PRIO 8 // Receiving task priority | ||
| #define TX_GPIO_NUM gpio_num_t(2) | ||
| #define RX_GPIO_NUM gpio_num_t(1) | ||
|
|
||
| static const twai_general_config_t g_config = | ||
| TWAI_GENERAL_CONFIG_DEFAULT(TX_GPIO_NUM, RX_GPIO_NUM, TWAI_MODE_NORMAL); | ||
| static const twai_timing_config_t t_config = TWAI_TIMING_CONFIG_25KBITS(); | ||
| static const twai_filter_config_t f_config = TWAI_FILTER_CONFIG_ACCEPT_ALL(); | ||
|
|
||
| static void twai_receive_task(void *arg) { | ||
| twai_message_t rx_msg; | ||
| while (1) { | ||
| twai_receive(&rx_msg, portMAX_DELAY); | ||
| Serial.printf("received identifier: 0x%02X\r\n", rx_msg.identifier); | ||
| // rx_msg.data | ||
| Serial.print("received data: "); | ||
| for (int i = 0; i < rx_msg.data_length_code; i++) { | ||
| Serial.printf("0x%02X ", rx_msg.data[i]); | ||
| } | ||
| Serial.println(); | ||
| vTaskDelay(pdMS_TO_TICKS(100)); | ||
| } | ||
| vTaskDelete(NULL); | ||
| } | ||
|
|
||
| void setup() { | ||
| auto cfg = M5.config(); | ||
| AtomS3.begin(cfg); | ||
|
|
||
| AtomS3.Display.setTextColor(GREEN); | ||
| AtomS3.Display.setTextDatum(middle_center); | ||
| AtomS3.Display.setFont(&fonts::FreeSansBold9pt7b); | ||
| AtomS3.Display.setTextSize(1); | ||
|
|
||
| AtomS3.Display.drawString("CAN Slave", AtomS3.Display.width() / 2, | ||
| AtomS3.Display.height() / 2); | ||
|
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||
| ESP_ERROR_CHECK(twai_driver_install(&g_config, &t_config, &f_config)); | ||
| Serial.println("Driver installed"); | ||
| ESP_ERROR_CHECK(twai_start()); | ||
| xTaskCreatePinnedToCore(twai_receive_task, "twai_receive_task", 4096, NULL, | ||
| RX_TASK_PRIO, NULL, tskNO_AFFINITY); | ||
| } | ||
|
|
||
| void loop() { | ||
| } |