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ESP32-IDF_i2ctools/main/i2ctools_example_main.c

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+/* i2c-tools example
+
+   This example code is in the Public Domain (or CC0 licensed, at your option.)
+
+   Unless required by applicable law or agreed to in writing, this
+   software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+   CONDITIONS OF ANY KIND, either express or implied.
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include "sdkconfig.h"
+#include "esp_log.h"
+#include "esp_console.h"
+#include "esp_vfs_fat.h"
+#include "cmd_system.h"
+#include "cmd_i2ctools.h"
+
+static const char *TAG = "i2c-tools";
+
+#if CONFIG_EXAMPLE_STORE_HISTORY
+
+#define MOUNT_PATH "/data"
+#define HISTORY_PATH MOUNT_PATH "/history.txt"
+
+static void initialize_filesystem(void)
+{
+    static wl_handle_t wl_handle;
+    const esp_vfs_fat_mount_config_t mount_config = {
+        .max_files = 4,
+        .format_if_mount_failed = true
+    };
+    esp_err_t err = esp_vfs_fat_spiflash_mount_rw_wl(MOUNT_PATH, "storage", &mount_config, &wl_handle);
+    if (err != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to mount FATFS (%s)", esp_err_to_name(err));
+        return;
+    }
+}
+#endif // CONFIG_EXAMPLE_STORE_HISTORY
+
+void app_main(void)
+{
+    esp_console_repl_t *repl = NULL;
+    esp_console_repl_config_t repl_config = ESP_CONSOLE_REPL_CONFIG_DEFAULT();
+
+#if CONFIG_EXAMPLE_STORE_HISTORY
+    initialize_filesystem();
+    repl_config.history_save_path = HISTORY_PATH;
+#endif
+    repl_config.prompt = "i2c-tools>";
+
+    // install console REPL environment
+#if CONFIG_ESP_CONSOLE_UART
+    esp_console_dev_uart_config_t uart_config = ESP_CONSOLE_DEV_UART_CONFIG_DEFAULT();
+    ESP_ERROR_CHECK(esp_console_new_repl_uart(&uart_config, &repl_config, &repl));
+#elif CONFIG_ESP_CONSOLE_USB_CDC
+    esp_console_dev_usb_cdc_config_t cdc_config = ESP_CONSOLE_DEV_CDC_CONFIG_DEFAULT();
+    ESP_ERROR_CHECK(esp_console_new_repl_usb_cdc(&cdc_config, &repl_config, &repl));
+#elif CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG
+    esp_console_dev_usb_serial_jtag_config_t usbjtag_config = ESP_CONSOLE_DEV_USB_SERIAL_JTAG_CONFIG_DEFAULT();
+    ESP_ERROR_CHECK(esp_console_new_repl_usb_serial_jtag(&usbjtag_config, &repl_config, &repl));
+#endif
+
+    register_i2ctools();
+
+    printf("\n ==============================================================\n");
+    printf(" |             Steps to Use i2c-tools                         |\n");
+    printf(" |                                                            |\n");
+    printf(" |  1. Try 'help', check all supported commands               |\n");
+    printf(" |  2. Try 'i2cconfig' to configure your I2C bus              |\n");
+    printf(" |  3. Try 'i2cdetect' to scan devices on the bus             |\n");
+    printf(" |  4. Try 'i2cget' to get the content of specific register   |\n");
+    printf(" |  5. Try 'i2cset' to set the value of specific register     |\n");
+    printf(" |  6. Try 'i2cdump' to dump all the register (Experiment)    |\n");
+    printf(" |                                                            |\n");
+    printf(" ==============================================================\n\n");
+
+    // start console REPL
+    ESP_ERROR_CHECK(esp_console_start_repl(repl));
+}