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添加智能灯固件代码

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kerwincui
2021-07-13 17:14:51 +08:00
parent 332f74dd17
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2
firmware/esp-idf/wumei-smart-firmware/examples/system/deep_sleep/main/CMakeLists.txt Normal file
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idf_component_register(SRCS "deep_sleep_example_main.c"
INCLUDE_DIRS ".")

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firmware/esp-idf/wumei-smart-firmware/examples/system/deep_sleep/main/Kconfig.projbuild Normal file
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menu "Example Configuration"
config EXAMPLE_TOUCH_WAKEUP
bool "Enable touch wake up"
default y
help
This option enables wake up from deep sleep using touch pads
TOUCH8 and TOUCH9, which correspond to GPIO33 and GPIO32.
config EXAMPLE_ULP_TEMPERATURE_WAKEUP
bool "Enable temperature monitoring by ULP"
default y
help
This option enables wake up from deep sleep using ULP.
ULP program monitors the on-chip temperature sensor and
wakes up the chip when the temperature goes outside of
the window defined by the initial temperature and a threshold
around it.
config EXAMPLE_EXT1_WAKEUP
bool "Enable wakeup from GPIO"
default y
help
This option enables wake up from deep sleep from GPIO2 and GPIO4. They should be connected to LOW to avoid
floating pins. When triggering a wake up, connect one or both of the pins to HIGH. Note that floating
pins may trigger a wake up.
endmenu

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firmware/esp-idf/wumei-smart-firmware/examples/system/deep_sleep/main/component.mk Normal file
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#
# Main Makefile. This is basically the same as a component makefile.
#

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firmware/esp-idf/wumei-smart-firmware/examples/system/deep_sleep/main/deep_sleep_example_main.c Normal file
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/* Deep sleep wake up 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 <stdlib.h>
#include <time.h>
#include <sys/time.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_sleep.h"
#include "esp_log.h"
#include "esp32/ulp.h"
#include "driver/touch_pad.h"
#include "driver/adc.h"
#include "driver/rtc_io.h"
#include "soc/sens_periph.h"
#include "soc/rtc.h"
static RTC_DATA_ATTR struct timeval sleep_enter_time;
#ifdef CONFIG_EXAMPLE_ULP_TEMPERATURE_WAKEUP
#if CONFIG_IDF_TARGET_ESP32
/*
* Offset (in 32-bit words) in RTC Slow memory where the data is placed
* by the ULP coprocessor. It can be chosen to be any value greater or equal
* to ULP program size, and less than the CONFIG_ESP32_ULP_COPROC_RESERVE_MEM/4 - 6,
* where 6 is the number of words used by the ULP coprocessor.
*/
#define ULP_DATA_OFFSET 36
_Static_assert(ULP_DATA_OFFSET < CONFIG_ESP32_ULP_COPROC_RESERVE_MEM/4 - 6,
"ULP_DATA_OFFSET is set too high, or CONFIG_ESP32_ULP_COPROC_RESERVE_MEM is not sufficient");
/**
* @brief Start ULP temperature monitoring program
*
* This function loads a program into the RTC Slow memory and starts up the ULP.
* The program monitors on-chip temperature sensor and wakes up the SoC when
* the temperature goes lower or higher than certain thresholds.
*/
static void start_ulp_temperature_monitoring(void);
/**
* @brief Utility function which reads data written by ULP program
*
* @param offset offset from ULP_DATA_OFFSET in RTC Slow memory, in words
* @return lower 16-bit part of the word writable by the ULP
*/
static inline uint16_t ulp_data_read(size_t offset)
{
return RTC_SLOW_MEM[ULP_DATA_OFFSET + offset] & 0xffff;
}
/**
* @brief Utility function which writes data to be ready by ULP program
*
* @param offset offset from ULP_DATA_OFFSET in RTC Slow memory, in words
* @param value lower 16-bit part of the word to be stored
*/
static inline void ulp_data_write(size_t offset, uint16_t value)
{
RTC_SLOW_MEM[ULP_DATA_OFFSET + offset] = value;
}
#endif // CONFIG_IDF_TARGET_ESP32
#endif // CONFIG_EXAMPLE_ULP_TEMPERATURE_WAKEUP
#ifdef CONFIG_EXAMPLE_TOUCH_WAKEUP
#if CONFIG_IDF_TARGET_ESP32
#define TOUCH_THRESH_NO_USE 0
static void calibrate_touch_pad(touch_pad_t pad);
#endif
#endif
void app_main(void)
{
struct timeval now;
gettimeofday(&now, NULL);
int sleep_time_ms = (now.tv_sec - sleep_enter_time.tv_sec) * 1000 + (now.tv_usec - sleep_enter_time.tv_usec) / 1000;
switch (esp_sleep_get_wakeup_cause()) {
#ifdef CONFIG_EXAMPLE_EXT1_WAKEUP
case ESP_SLEEP_WAKEUP_EXT1: {
uint64_t wakeup_pin_mask = esp_sleep_get_ext1_wakeup_status();
if (wakeup_pin_mask != 0) {
int pin = __builtin_ffsll(wakeup_pin_mask) - 1;
printf("Wake up from GPIO %d\n", pin);
} else {
printf("Wake up from GPIO\n");
}
break;
}
#endif // CONFIG_EXAMPLE_EXT1_WAKEUP
case ESP_SLEEP_WAKEUP_TIMER: {
printf("Wake up from timer. Time spent in deep sleep: %dms\n", sleep_time_ms);
break;
}
#ifdef CONFIG_EXAMPLE_TOUCH_WAKEUP
case ESP_SLEEP_WAKEUP_TOUCHPAD: {
printf("Wake up from touch on pad %d\n", esp_sleep_get_touchpad_wakeup_status());
break;
}
#endif // CONFIG_EXAMPLE_TOUCH_WAKEUP
#ifdef CONFIG_EXAMPLE_ULP_TEMPERATURE_WAKEUP
#if CONFIG_IDF_TARGET_ESP32
case ESP_SLEEP_WAKEUP_ULP: {
printf("Wake up from ULP\n");
int16_t diff_high = (int16_t) ulp_data_read(3);
int16_t diff_low = (int16_t) ulp_data_read(4);
if (diff_high < 0) {
printf("High temperature alarm was triggered\n");
} else if (diff_low < 0) {
printf("Low temperature alarm was triggered\n");
} else {
assert(false && "temperature has stayed within limits, but got ULP wakeup\n");
}
break;
}
#endif // CONFIG_IDF_TARGET_ESP32
#endif // CONFIG_EXAMPLE_ULP_TEMPERATURE_WAKEUP
case ESP_SLEEP_WAKEUP_UNDEFINED:
default:
printf("Not a deep sleep reset\n");
}
#ifdef CONFIG_EXAMPLE_ULP_TEMPERATURE_WAKEUP
#if CONFIG_IDF_TARGET_ESP32
if (esp_sleep_get_wakeup_cause() != ESP_SLEEP_WAKEUP_UNDEFINED) {
printf("ULP did %d temperature measurements in %d ms\n", ulp_data_read(1), sleep_time_ms);
printf("Initial T=%d, latest T=%d\n", ulp_data_read(0), ulp_data_read(2));
}
#endif // CONFIG_IDF_TARGET_ESP32
#endif // CONFIG_EXAMPLE_ULP_TEMPERATURE_WAKEUP
vTaskDelay(1000 / portTICK_PERIOD_MS);
const int wakeup_time_sec = 20;
printf("Enabling timer wakeup, %ds\n", wakeup_time_sec);
esp_sleep_enable_timer_wakeup(wakeup_time_sec * 1000000);
#ifdef CONFIG_EXAMPLE_EXT1_WAKEUP
const int ext_wakeup_pin_1 = 2;
const uint64_t ext_wakeup_pin_1_mask = 1ULL << ext_wakeup_pin_1;
const int ext_wakeup_pin_2 = 4;
const uint64_t ext_wakeup_pin_2_mask = 1ULL << ext_wakeup_pin_2;
printf("Enabling EXT1 wakeup on pins GPIO%d, GPIO%d\n", ext_wakeup_pin_1, ext_wakeup_pin_2);
esp_sleep_enable_ext1_wakeup(ext_wakeup_pin_1_mask | ext_wakeup_pin_2_mask, ESP_EXT1_WAKEUP_ANY_HIGH);
#endif // CONFIG_EXAMPLE_EXT1_WAKEUP
#ifdef CONFIG_EXAMPLE_TOUCH_WAKEUP
#if CONFIG_IDF_TARGET_ESP32
// Initialize touch pad peripheral.
// The default fsm mode is software trigger mode.
touch_pad_init();
// If use touch pad wake up, should set touch sensor FSM mode at 'TOUCH_FSM_MODE_TIMER'.
touch_pad_set_fsm_mode(TOUCH_FSM_MODE_TIMER);
// Set reference voltage for charging/discharging
// In this case, the high reference valtage will be 2.4V - 1V = 1.4V
// The low reference voltage will be 0.5
// The larger the range, the larger the pulse count value.
touch_pad_set_voltage(TOUCH_HVOLT_2V4, TOUCH_LVOLT_0V5, TOUCH_HVOLT_ATTEN_1V);
//init RTC IO and mode for touch pad.
touch_pad_config(TOUCH_PAD_NUM8, TOUCH_THRESH_NO_USE);
touch_pad_config(TOUCH_PAD_NUM9, TOUCH_THRESH_NO_USE);
calibrate_touch_pad(TOUCH_PAD_NUM8);
calibrate_touch_pad(TOUCH_PAD_NUM9);
#elif CONFIG_IDF_TARGET_ESP32S2
/* Initialize touch pad peripheral. */
touch_pad_init();
/* Only support one touch channel in sleep mode. */
touch_pad_config(TOUCH_PAD_NUM9);
/* Denoise setting at TouchSensor 0. */
touch_pad_denoise_t denoise = {
/* The bits to be cancelled are determined according to the noise level. */
.grade = TOUCH_PAD_DENOISE_BIT4,
.cap_level = TOUCH_PAD_DENOISE_CAP_L4,
};
touch_pad_denoise_set_config(&denoise);
touch_pad_denoise_enable();
printf("Denoise function init\n");
/* Filter setting */
touch_filter_config_t filter_info = {
.mode = TOUCH_PAD_FILTER_IIR_16,
.debounce_cnt = 1, // 1 time count.
.noise_thr = 0, // 50%
.jitter_step = 4, // use for jitter mode.
.smh_lvl = TOUCH_PAD_SMOOTH_IIR_2,
};
touch_pad_filter_set_config(&filter_info);
touch_pad_filter_enable();
printf("touch pad filter init %d\n", TOUCH_PAD_FILTER_IIR_8);
/* Set sleep touch pad. */
touch_pad_sleep_channel_enable(TOUCH_PAD_NUM9, true);
touch_pad_sleep_channel_enable_proximity(TOUCH_PAD_NUM9, false);
/* Enable touch sensor clock. Work mode is "timer trigger". */
touch_pad_set_fsm_mode(TOUCH_FSM_MODE_TIMER);
touch_pad_fsm_start();
vTaskDelay(100 / portTICK_RATE_MS);
/* read sleep touch pad value */
uint32_t touch_value;
touch_pad_sleep_channel_read_smooth(TOUCH_PAD_NUM9, &touch_value);
touch_pad_sleep_set_threshold(TOUCH_PAD_NUM9, touch_value * 0.1); //10%
printf("test init: touch pad [%d] slp %d, thresh %d\n",
TOUCH_PAD_NUM9, touch_value, (uint32_t)(touch_value * 0.1));
#endif
printf("Enabling touch pad wakeup\n");
esp_sleep_enable_touchpad_wakeup();
esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON);
#endif // CONFIG_EXAMPLE_TOUCH_WAKEUP
#ifdef CONFIG_EXAMPLE_ULP_TEMPERATURE_WAKEUP
#if CONFIG_IDF_TARGET_ESP32
printf("Enabling ULP wakeup\n");
esp_sleep_enable_ulp_wakeup();
#endif
#endif
#if CONFIG_IDF_TARGET_ESP32
// Isolate GPIO12 pin from external circuits. This is needed for modules
// which have an external pull-up resistor on GPIO12 (such as ESP32-WROVER)
// to minimize current consumption.
rtc_gpio_isolate(GPIO_NUM_12);
#endif
printf("Entering deep sleep\n");
gettimeofday(&sleep_enter_time, NULL);
#ifdef CONFIG_EXAMPLE_ULP_TEMPERATURE_WAKEUP
#if CONFIG_IDF_TARGET_ESP32
start_ulp_temperature_monitoring();
#endif
#endif
esp_deep_sleep_start();
}
#ifdef CONFIG_EXAMPLE_TOUCH_WAKEUP
#if CONFIG_IDF_TARGET_ESP32
static void calibrate_touch_pad(touch_pad_t pad)
{
int avg = 0;
const size_t calibration_count = 128;
for (int i = 0; i < calibration_count; ++i) {
uint16_t val;
touch_pad_read(pad, &val);
avg += val;
}
avg /= calibration_count;
const int min_reading = 300;
if (avg < min_reading) {
printf("Touch pad #%d average reading is too low: %d (expecting at least %d). "
"Not using for deep sleep wakeup.\n", pad, avg, min_reading);
touch_pad_config(pad, 0);
} else {
int threshold = avg - 100;
printf("Touch pad #%d average: %d, wakeup threshold set to %d.\n", pad, avg, threshold);
touch_pad_config(pad, threshold);
}
}
#endif
#endif // CONFIG_EXAMPLE_TOUCH_WAKEUP
#ifdef CONFIG_EXAMPLE_ULP_TEMPERATURE_WAKEUP
#if CONFIG_IDF_TARGET_ESP32
static void start_ulp_temperature_monitoring(void)
{
/*
* This ULP program monitors the on-chip temperature sensor and wakes the chip up when
* the temperature goes outside of certain window.
* When the program runs for the first time, it saves the temperature measurement,
* it is considered initial temperature (T0).
*
* On each subsequent run, temperature measured and compared to T0.
* If the measured value is higher than T0 + max_temp_diff or lower than T0 - max_temp_diff,
* the chip is woken up from deep sleep.
*/
/* Temperature difference threshold which causes wakeup
* With settings here (TSENS_CLK_DIV=2, 8000 cycles),
* TSENS measurement is done in units of 0.73 degrees Celsius.
* Therefore, max_temp_diff below is equivalent to ~2.2 degrees Celsius.
*/
const int16_t max_temp_diff = 3;
// Number of measurements ULP should do per second
const uint32_t measurements_per_sec = 5;
// Allow TSENS to be controlled by the ULP
SET_PERI_REG_BITS(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_CLK_DIV, 2, SENS_TSENS_CLK_DIV_S);
SET_PERI_REG_BITS(SENS_SAR_MEAS_WAIT2_REG, SENS_FORCE_XPD_SAR, 3, SENS_FORCE_XPD_SAR_S);
CLEAR_PERI_REG_MASK(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_POWER_UP);
CLEAR_PERI_REG_MASK(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_DUMP_OUT);
CLEAR_PERI_REG_MASK(SENS_SAR_TSENS_CTRL_REG, SENS_TSENS_POWER_UP_FORCE);
// Clear the part of RTC_SLOW_MEM reserved for the ULP. Makes debugging easier.
memset(RTC_SLOW_MEM, 0, CONFIG_ESP32_ULP_COPROC_RESERVE_MEM);
// The first word of memory (at data offset) is used to store the initial temperature (T0)
// Zero it out here, then ULP will update it on the first run.
ulp_data_write(0, 0);
// The second word is used to store measurement count, zero it out as well.
ulp_data_write(1, 0);
const ulp_insn_t program[] = {
// load data offset into R2
I_MOVI(R2, ULP_DATA_OFFSET),
// load/increment/store measurement counter using R1
I_LD(R1, R2, 1),
I_ADDI(R1, R1, 1),
I_ST(R1, R2, 1),
// enable temperature sensor
I_WR_REG(SENS_SAR_MEAS_WAIT2_REG, SENS_FORCE_XPD_SAR_S, SENS_FORCE_XPD_SAR_S + 1, 3),
// do temperature measurement and store result in R3
I_TSENS(R3, 8000),
// disable temperature sensor
I_WR_REG(SENS_SAR_MEAS_WAIT2_REG, SENS_FORCE_XPD_SAR_S, SENS_FORCE_XPD_SAR_S + 1, 0),
// Save current measurement at offset+2
I_ST(R3, R2, 2),
// load initial value into R0
I_LD(R0, R2, 0),
// if threshold value >=1 (i.e. initialized), goto 1
M_BGE(1, 1),
// otherwise, save the current value as initial (T0)
I_MOVR(R0, R3),
I_ST(R0, R2, 0),
M_LABEL(1),
// check if the temperature is greater or equal (T0 + max_temp_diff)
// uses R1 as scratch register, difference is saved at offset + 3
I_ADDI(R1, R0, max_temp_diff - 1),
I_SUBR(R1, R1, R3),
I_ST(R1, R2, 3),
M_BXF(2),
// check if the temperature is less or equal (T0 - max_temp_diff)
// uses R1 as scratch register, difference is saved at offset + 4
I_SUBI(R1, R0, max_temp_diff - 1),
I_SUBR(R1, R3, R1),
I_ST(R1, R2, 4),
M_BXF(2),
// temperature is within (T0 - max_temp_diff; T0 + max_temp_diff)
// stop ULP until the program timer starts it again
I_HALT(),
M_LABEL(2),
// temperature is out of bounds
// disable ULP program timer
I_WR_REG_BIT(RTC_CNTL_STATE0_REG, RTC_CNTL_ULP_CP_SLP_TIMER_EN_S, 0),
// initiate wakeup of the SoC
I_WAKE(),
// stop the ULP program
I_HALT()
};
// Load ULP program into RTC_SLOW_MEM, at offset 0
size_t size = sizeof(program)/sizeof(ulp_insn_t);
ESP_ERROR_CHECK( ulp_process_macros_and_load(0, program, &size) );
assert(size < ULP_DATA_OFFSET && "ULP_DATA_OFFSET needs to be greater or equal to the program size");
// Set ULP wakeup period
const uint32_t sleep_cycles = rtc_clk_slow_freq_get_hz() / measurements_per_sec;
REG_WRITE(SENS_ULP_CP_SLEEP_CYC0_REG, sleep_cycles);
// Start ULP
ESP_ERROR_CHECK( ulp_run(0) );
}
#endif // CONFIG_IDF_TARGET_ESP32
#endif // CONFIG_EXAMPLE_ULP_TEMPERATURE_WAKEUP