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CDC

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This commit is contained in:
Philippe LUC
2026-02-06 15:51:33 +01:00
parent 9b2f64b766
commit 44a5ba8ece
2 changed files with 19 additions and 5 deletions
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2
main/CMakeLists.txt
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@@ -1,3 +1,3 @@
idf_component_register(SRCS "hello_world_main.c" idf_component_register(SRCS "hello_world_main.c"
PRIV_REQUIRES spi_flash esp_driver_gpio PRIV_REQUIRES spi_flash esp_driver_gpio vfs esp_vfs_console
INCLUDE_DIRS "") INCLUDE_DIRS "")

22
main/hello_world_main.c
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@@ -8,27 +8,41 @@
#include "esp_flash.h" #include "esp_flash.h"
#include "esp_system.h" #include "esp_system.h"
#include "driver/gpio.h" #include "driver/gpio.h"
#include "esp_vfs_dev.h"
#include "esp_vfs_cdcacm.h"
#define LED_GPIO 15 #define LED_GPIO 15
void app_main(void) void app_main(void)
{ {
// Initialisation explicite du CDC-ACM pour ESP32-S2
#if CONFIG_ESP_CONSOLE_USB_CDC
esp_err_t ret = esp_vfs_dev_cdcacm_register();
if (ret != ESP_OK) {
// Si l'initialisation échoue, on continue quand même
}
#endif
// Délai pour permettre l'initialisation USB-CDC
vTaskDelay(pdMS_TO_TICKS(1000));
printf("\n\n=== Démarrage ESP32-S2 avec USB-CDC ===\n\n");
gpio_config_t io_conf = { gpio_config_t io_conf = {
.pin_bit_mask = LED_GPIO, .pin_bit_mask = (1ULL << 15),
.mode = GPIO_MODE_OUTPUT, .mode = GPIO_MODE_OUTPUT,
.pull_up_en = GPIO_PULLUP_DISABLE, .pull_up_en = GPIO_PULLUP_DISABLE,
.pull_down_en = GPIO_PULLDOWN_DISABLE, .pull_down_en = GPIO_PULLDOWN_DISABLE,
.intr_type = GPIO_INTR_DISABLE, // No interrupt for now .intr_type = GPIO_INTR_DISABLE, // No interrupt for now
}; };
esp_err_t ret = gpio_config(&io_conf); gpio_config(&io_conf);
while(1) { while(1) {
printf("hello"); printf("loop from ESP32-S2 via USB-CDC!\n");
vTaskDelay(1000 / portTICK_PERIOD_MS);
gpio_set_level(LED_GPIO, 1); gpio_set_level(LED_GPIO, 1);
vTaskDelay(1000 / portTICK_PERIOD_MS); vTaskDelay(1000 / portTICK_PERIOD_MS);
gpio_set_level(LED_GPIO, 0); gpio_set_level(LED_GPIO, 0);
vTaskDelay(1000 / portTICK_PERIOD_MS);
} }
} }