alex/esp-idf
alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2024-10-05 20:47:46 -04:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

examples/console: add light sleep command

Browse Source
This commit is contained in:
Ivan Grokhotkov 2018-08-14 03:44:04 +03:00
parent cf4f2c19e4
commit 31e969aded
2 changed files with 111 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

99
examples/system/console/main/cmd_system.c
View File

@ -15,11 +15,13 @@
#include "esp_system.h"
#include "esp_sleep.h"
#include "driver/rtc_io.h"
#include "driver/uart.h"
#include "argtable3/argtable3.h"
#include "cmd_decl.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "soc/rtc_cntl_reg.h"
#include "rom/uart.h"
#include "sdkconfig.h"
#ifdef CONFIG_FREERTOS_USE_STATS_FORMATTING_FUNCTIONS
@ -29,6 +31,7 @@
static void register_free();
static void register_restart();
static void register_deep_sleep();
static void register_light_sleep();
static void register_make();
#if WITH_TASKS_INFO
static void register_tasks();
@ -39,6 +42,7 @@ void register_system()
register_free();
register_restart();
register_deep_sleep();
register_light_sleep();
register_make();
#if WITH_TASKS_INFO
register_tasks();
@ -186,6 +190,101 @@ static void register_deep_sleep()
ESP_ERROR_CHECK( esp_console_cmd_register(&cmd) );
}
/** 'light_sleep' command puts the chip into light sleep mode */
static struct {
struct arg_int *wakeup_time;
struct arg_int *wakeup_gpio_num;
struct arg_int *wakeup_gpio_level;
struct arg_end *end;
} light_sleep_args;
static int light_sleep(int argc, char** argv)
{
int nerrors = arg_parse(argc, argv, (void**) &light_sleep_args);
if (nerrors != 0) {
arg_print_errors(stderr, light_sleep_args.end, argv[0]);
return 1;
}
esp_sleep_disable_wakeup_source(ESP_SLEEP_WAKEUP_ALL);
if (light_sleep_args.wakeup_time->count) {
uint64_t timeout = 1000ULL * light_sleep_args.wakeup_time->ival[0];
ESP_LOGI(__func__, "Enabling timer wakeup, timeout=%lluus", timeout);
ESP_ERROR_CHECK( esp_sleep_enable_timer_wakeup(timeout) );
}
int io_count = light_sleep_args.wakeup_gpio_num->count;
if (io_count != light_sleep_args.wakeup_gpio_level->count) {
ESP_LOGE(__func__, "Should have same number of 'io' and 'io_level' arguments");
return 1;
}
for (int i = 0; i < io_count; ++i) {
int io_num = light_sleep_args.wakeup_gpio_num->ival[i];
int level = light_sleep_args.wakeup_gpio_level->ival[i];
if (level != 0 && level != 1) {
ESP_LOGE(__func__, "Invalid wakeup level: %d", level);
return 1;
}
ESP_LOGI(__func__, "Enabling wakeup on GPIO%d, wakeup on %s level",
io_num, level ? "HIGH" : "LOW");
ESP_ERROR_CHECK( gpio_wakeup_enable(io_num, level ? GPIO_INTR_HIGH_LEVEL : GPIO_INTR_LOW_LEVEL) );
}
if (io_count > 0) {
ESP_ERROR_CHECK( esp_sleep_enable_gpio_wakeup() );
}
if (CONFIG_CONSOLE_UART_NUM <= UART_NUM_1) {
ESP_LOGI(__func__, "Enabling UART wakeup (press ENTER to exit light sleep)");
ESP_ERROR_CHECK( uart_set_wakeup_threshold(CONFIG_CONSOLE_UART_NUM, 3) );
ESP_ERROR_CHECK( esp_sleep_enable_uart_wakeup(CONFIG_CONSOLE_UART_NUM) );
}
fflush(stdout);
uart_tx_wait_idle(CONFIG_CONSOLE_UART_NUM);
esp_light_sleep_start();
esp_sleep_wakeup_cause_t cause = esp_sleep_get_wakeup_cause();
const char* cause_str;
switch (cause) {
case ESP_SLEEP_WAKEUP_GPIO:
cause_str = "GPIO";
break;
case ESP_SLEEP_WAKEUP_UART:
cause_str = "UART";
break;
case ESP_SLEEP_WAKEUP_TIMER:
cause_str = "timer";
break;
default:
cause_str = "unknown";
printf("%d\n", cause);
}
ESP_LOGI(__func__, "Woke up from: %s", cause_str);
return 0;
}
static void register_light_sleep()
{
light_sleep_args.wakeup_time =
arg_int0("t", "time", "<t>", "Wake up time, ms");
light_sleep_args.wakeup_gpio_num =
arg_intn(NULL, "io", "<n>", 0, 8,
"If specified, wakeup using GPIO with given number");
light_sleep_args.wakeup_gpio_level =
arg_intn(NULL, "io_level", "<0|1>", 0, 8, "GPIO level to trigger wakeup");
light_sleep_args.end = arg_end(3);
const esp_console_cmd_t cmd = {
.command = "light_sleep",
.help = "Enter light sleep mode. "
"Two wakeup modes are supported: timer and GPIO. "
"Multiple GPIO pins can be specified using pairs of "
"'io' and 'io_level' arguments. "
"Will also wake up on UART input.",
.hint = NULL,
.func = &light_sleep,
.argtable = &light_sleep_args
};
ESP_ERROR_CHECK( esp_console_cmd_register(&cmd) );
}
/** This command helps maintain sanity when testing console example from a console */
static int make(int argc, char** argv)

12
examples/system/console/main/console_example_main.c
View File

@ -68,6 +68,18 @@ static void initialize_console()
/* Move the caret to the beginning of the next line on '\n' */
esp_vfs_dev_uart_set_tx_line_endings(ESP_LINE_ENDINGS_CRLF);
/* Configure UART. Note that REF_TICK is used so that the baud rate remains
* correct while APB frequency is changing in light sleep mode.
*/
const uart_config_t uart_config = {
.baud_rate = CONFIG_CONSOLE_UART_BAUDRATE,
.data_bits = UART_DATA_8_BITS,
.parity = UART_PARITY_DISABLE,
.stop_bits = UART_STOP_BITS_1,
.use_ref_tick = true
};
ESP_ERROR_CHECK( uart_param_config(CONFIG_CONSOLE_UART_NUM, &uart_config) );
/* Install UART driver for interrupt-driven reads and writes */
ESP_ERROR_CHECK( uart_driver_install(CONFIG_CONSOLE_UART_NUM,
256, 0, 0, NULL, 0) );