So we know at least some people are getting docs.The typical stand by power consumption is ~25uA with the ULP-Coprocessor running at a 1% duty cycle.
Code: Select all
void app_main()
{
assert(CONFIG_ULP_COPROC_RESERVE_MEM >= 260 && "this test needs ULP_COPROC_RESERVE_MEM option set in menuconfig");
memset(RTC_SLOW_MEM, 0, CONFIG_ULP_COPROC_RESERVE_MEM);
const ulp_insn_t program[] = {
I_MOVI(R0, 0), // R0 is LED state
I_MOVI(R2, 16), // loop R2 from 16 down to 0
M_LABEL(4),
I_SUBI(R2, R2, 1),
M_BXZ(6),
I_ADDI(R0, R0, 1), // R0 = (R0 + 1) % 2
I_ANDI(R0, R0, 0x1),
M_BL(0, 1), // if R0 < 1 goto 0
M_LABEL(1),
I_WR_REG(RTC_GPIO_OUT_REG, 26, 27, 1), // RTC_GPIO12 = 1
M_BX(2), // goto 2
M_LABEL(0), // 0:
I_WR_REG(RTC_GPIO_OUT_REG, 26, 27, 0), // RTC_GPIO12 = 0
M_LABEL(2), // 2:
I_MOVI(R1, 100), // loop R1 from 100 down to 0
M_LABEL(3),
I_SUBI(R1, R1, 1),
M_BXZ(5),
I_DELAY(32000), // delay for a while
M_BX(3),
M_LABEL(5),
M_BX(4),
M_LABEL(6),
I_END(1) // wake up the SoC
};
const gpio_num_t led_gpios[] = {
GPIO_NUM_2,
GPIO_NUM_0,
GPIO_NUM_4
};
for (size_t i = 0; i < sizeof(led_gpios)/sizeof(led_gpios[0]); ++i) {
rtc_gpio_init(led_gpios[i]);
rtc_gpio_set_direction(led_gpios[i], RTC_GPIO_MODE_OUTPUT_ONLY);
rtc_gpio_set_level(led_gpios[i], 0);
}
size_t size = sizeof(program)/sizeof(ulp_insn_t);
ulp_process_macros_and_load(0, program, &size);
ulp_run(0);
esp_deep_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_OFF);
esp_deep_sleep_enable_ulp_wakeup();
esp_deep_sleep_start();
}Code: Select all
//file: main.cpp
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "Arduino.h"
#include "esp_deep_sleep.h"
extern "C" void app_main()
{
initArduino();
int i=0;
uint64_t sleep_timeout = 5000000;
while(i!=5)
{
delay(1000);
i++;
}
esp_deep_sleep_enable_timer_wakeup(sleep_timeout);
esp_deep_sleep_start();
}