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console: add support for terminal probing and dumb terminal mode

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This commit is contained in:
Ivan Grokhotkov
2017-08-16 14:59:28 +08:00
parent 1e4587a09f
commit 10f0543080
3 changed files with 137 additions and 31 deletions
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65
examples/system/console/main/console_example_main.c
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@@ -105,41 +105,58 @@ void app_main()
register_system();
register_wifi();
/* Prompt to be printed before each line.
* This can be customized, made dynamic, etc.
*/
const char* prompt = LOG_COLOR_I "esp32> " LOG_RESET_COLOR;
printf("\n"
"This is an example of ESP-IDF console component.\n"
"Type 'help' to get the list of commands.\n"
"Use UP/DOWN arrows to navigate through command history.\n"
"Press TAB when typing command name to auto-complete.\n");
/* Prompt to be printed before each line.
* This can be customized, made dynamic, etc.
*/
const char* prompt = LOG_COLOR_I "[esp32]> " LOG_RESET_COLOR;
/* Figure out if the terminal supports escape sequences */
int probe_status = linenoiseProbe();
if (probe_status) { /* zero indicates success */
printf("\n"
"Your terminal application does not support escape sequences.\n"
"Line editing and history features are disabled.\n"
"On Windows, try using Putty instead.\n");
linenoiseSetDumbMode(1);
#if CONFIG_LOG_COLORS
/* Since the terminal doesn't support escape sequences,
* don't use color codes in the prompt.
*/
prompt = "esp32> ";
#endif //CONFIG_LOG_COLORS
}
/* Main loop */
char *line;
/* Get a line using linenoise.
* The line is returned when ENTER is pressed.
*/
while((line = linenoise(prompt)) != NULL) {
if (strlen(line) > 0) { /* Ignore empty lines */
/* Add the command to the history */
linenoiseHistoryAdd(line);
while(true) {
/* Get a line using linenoise.
* The line is returned when ENTER is pressed.
*/
char* line = linenoise(prompt);
if (line == NULL) { /* Ignore empty lines */
continue;
}
/* Add the command to the history */
linenoiseHistoryAdd(line);
#if CONFIG_STORE_HISTORY
/* Save command history to filesystem */
linenoiseHistorySave(HISTORY_PATH);
/* Save command history to filesystem */
linenoiseHistorySave(HISTORY_PATH);
#endif
/* Try to run the command */
int ret;
esp_err_t err = esp_console_run(line, &ret);
if (err == ESP_ERR_NOT_FOUND) {
printf("Unrecognized command\n");
} else if (err == ESP_OK && ret != ESP_OK) {
printf("Command returned non-zero error code: 0x%x\n", ret);
} else if (err != ESP_OK) {
printf("Internal error: 0x%x\n", err);
}
/* Try to run the command */
int ret;
esp_err_t err = esp_console_run(line, &ret);
if (err == ESP_ERR_NOT_FOUND) {
printf("Unrecognized command\n");
} else if (err == ESP_OK && ret != ESP_OK) {
printf("Command returned non-zero error code: 0x%x\n", ret);
} else if (err != ESP_OK) {
printf("Internal error: 0x%x\n", err);
}
/* linenoise allocates line buffer on the heap, so need to free it */
linenoiseFree(line);