1 /* i2c-tools example
2
3 This example code is in the Public Domain (or CC0 licensed, at your option.)
4
5 Unless required by applicable law or agreed to in writing, this
6 software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
7 CONDITIONS OF ANY KIND, either express or implied.
8 */
9
10 #include <stdio.h>
11 #include <string.h>
12 #include "sdkconfig.h"
13 #include "esp_log.h"
14 #include "esp_console.h"
15 #include "esp_vfs_fat.h"
16 #include "cmd_system.h"
17 #include "cmd_i2ctools.h"
18
19 static const char *TAG = "i2c-tools";
20
21 #if CONFIG_EXAMPLE_STORE_HISTORY
22
23 #define MOUNT_PATH "/data"
24 #define HISTORY_PATH MOUNT_PATH "/history.txt"
25
initialize_filesystem(void)26 static void initialize_filesystem(void)
27 {
28 static wl_handle_t wl_handle;
29 const esp_vfs_fat_mount_config_t mount_config = {
30 .max_files = 4,
31 .format_if_mount_failed = true
32 };
33 esp_err_t err = esp_vfs_fat_spiflash_mount(MOUNT_PATH, "storage", &mount_config, &wl_handle);
34 if (err != ESP_OK) {
35 ESP_LOGE(TAG, "Failed to mount FATFS (%s)", esp_err_to_name(err));
36 return;
37 }
38 }
39 #endif // CONFIG_EXAMPLE_STORE_HISTORY
40
app_main(void)41 void app_main(void)
42 {
43 esp_console_repl_t *repl = NULL;
44 esp_console_repl_config_t repl_config = ESP_CONSOLE_REPL_CONFIG_DEFAULT();
45
46 #if CONFIG_EXAMPLE_STORE_HISTORY
47 initialize_filesystem();
48 repl_config.history_save_path = HISTORY_PATH;
49 #endif
50 repl_config.prompt = "i2c-tools>";
51
52 // install console REPL environment
53 #if CONFIG_ESP_CONSOLE_UART
54 esp_console_dev_uart_config_t uart_config = ESP_CONSOLE_DEV_UART_CONFIG_DEFAULT();
55 ESP_ERROR_CHECK(esp_console_new_repl_uart(&uart_config, &repl_config, &repl));
56 #elif CONFIG_ESP_CONSOLE_USB_CDC
57 esp_console_dev_usb_cdc_config_t cdc_config = ESP_CONSOLE_DEV_CDC_CONFIG_DEFAULT();
58 ESP_ERROR_CHECK(esp_console_new_repl_usb_cdc(&cdc_config, &repl_config, &repl));
59 #elif CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG
60 esp_console_dev_usb_serial_jtag_config_t usbjtag_config = ESP_CONSOLE_DEV_USB_SERIAL_JTAG_CONFIG_DEFAULT();
61 ESP_ERROR_CHECK(esp_console_new_repl_usb_serial_jtag(&usbjtag_config, &repl_config, &repl));
62 #endif
63
64 register_i2ctools();
65 register_system();
66
67 printf("\n ==============================================================\n");
68 printf(" | Steps to Use i2c-tools |\n");
69 printf(" | |\n");
70 printf(" | 1. Try 'help', check all supported commands |\n");
71 printf(" | 2. Try 'i2cconfig' to configure your I2C bus |\n");
72 printf(" | 3. Try 'i2cdetect' to scan devices on the bus |\n");
73 printf(" | 4. Try 'i2cget' to get the content of specific register |\n");
74 printf(" | 5. Try 'i2cset' to set the value of specific register |\n");
75 printf(" | 6. Try 'i2cdump' to dump all the register (Experiment) |\n");
76 printf(" | |\n");
77 printf(" ==============================================================\n\n");
78
79 // start console REPL
80 ESP_ERROR_CHECK(esp_console_start_repl(repl));
81 }
82
