mirror of
https://github.com/OpenEPaperLink/OpenEPaperLink.git
synced 2026-03-21 09:04:24 +01:00
2d486d7c66
* updated arduinojson to version 7.3.0, enabled comments within json files * update ESPAsyncWebServer/AsyncTCP to the ESP32Async fork ESP32Async/ESPAsyncWebServer and ESP32Async/AsyncTCP are much better maintained and it looks like a lot of bugs are fixed compared to the ESPHome version we used before. * Arduino 3.x compatibility (while maintaining 2.x compatibility)
120 lines
3.3 KiB
C++
120 lines
3.3 KiB
C++
#include "powermgt.h"
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#include <Arduino.h>
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#include "settings.h"
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#include "leds.h"
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#ifdef HAS_EXT_FLASHER
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#include "soc/rtc_cntl_reg.h"
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#include "soc/soc.h"
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#endif
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void simpleAPPower(uint8_t* pin, uint8_t pincount, bool state) {
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for (uint8_t c = 0; c < pincount; c++) {
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pinMode(pin[c], INPUT);
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}
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for (uint8_t c = 0; c < pincount; c++) {
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#ifdef POWER_HIGH_SIDE_DRIVER
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digitalWrite(pin[c], !state);
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#else
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digitalWrite(pin[c], state);
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#endif
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}
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for (uint8_t c = 0; c < pincount; c++) {
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pinMode(pin[c], OUTPUT);
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}
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}
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#ifdef POWER_RAMPING
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// On the OpenEPaperLink board, there is no in-rush current limiting. The tags that can be connected to the board can have significant capacity, which,
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// when drained if the board applies power, will cause the 3v3 rail to sag enough to reset the ESP32. This is obviously not great. To prevent this from happening,
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// we ramp up/down the voltage with PWM. Ramping down really is unnecessary, as the board has a resistor to dump the charge into.
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void rampTagPower(uint8_t* pin, bool up) {
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#ifdef HAS_EXT_FLASHER
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WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0);
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#endif
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if (up) {
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#if ESP_ARDUINO_VERSION_MAJOR == 2
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ledcSetup(0, 50000, 8);
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ledcWrite(0, 254);
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vTaskDelay(1 / portTICK_PERIOD_MS);
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pinMode(pin[0], OUTPUT);
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ledcAttachPin(pin[0], 0);
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#else
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ledcWriteChannel(0, 254);
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ledcAttachChannel(pin[0], 50000, 8, 0);
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#endif
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pinMode(FLASHER_EXT_RESET, OUTPUT);
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digitalWrite(FLASHER_EXT_RESET, LOW);
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vTaskDelay(10 / portTICK_PERIOD_MS);
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for (uint8_t c = 254; c != 0xFF; c--) {
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ledcSet(0, c);
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delayMicroseconds(700);
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}
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digitalWrite(pin[0], LOW);
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ledcDetachPin(pin[0]);
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digitalWrite(pin[0], LOW);
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digitalWrite(FLASHER_EXT_RESET, INPUT_PULLUP);
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} else {
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ledcSetup(0, 50000, 8);
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ledcSet(0, 0);
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vTaskDelay(1 / portTICK_PERIOD_MS);
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pinMode(pin[0], OUTPUT);
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pinMode(FLASHER_EXT_RESET, INPUT_PULLDOWN);
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ledcAttachPin(pin[0], 0);
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vTaskDelay(10 / portTICK_PERIOD_MS);
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for (uint8_t c = 0; c < 0xFF; c++) {
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ledcSet(0, c);
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if (c > 250) {
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vTaskDelay(2 / portTICK_PERIOD_MS);
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} else {
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delayMicroseconds(500);
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}
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}
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digitalWrite(pin[0], HIGH);
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ledcDetachPin(pin[0]);
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digitalWrite(pin[0], HIGH);
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}
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#ifdef HAS_EXT_FLASHER
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WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 1);
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#endif
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}
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#endif
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void powerControl(bool powerState, uint8_t* pin, uint8_t pincount) {
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if (pincount == 0) return;
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if (pin == nullptr) return;
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static bool currentState = false;
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if (currentState == powerState) return;
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currentState = powerState;
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#ifdef POWER_RAMPING
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if (powerState == true) {
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#ifdef POWER_HIGH_SIDE_DRIVER
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rampTagPower(pin, true);
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#else
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rampTagPower(pin, false);
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#endif
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} else {
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/*
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pinMode(pin[0], OUTPUT);
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#ifdef POWER_HIGH_SIDE_DRIVER
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digitalWrite(pin[0], HIGH);
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#else
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digitalWrite(pin[0], LOW);
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#endif
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*/
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#ifdef POWER_HIGH_SIDE_DRIVER
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rampTagPower(pin, false);
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#else
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rampTagPower(pin, true);
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#endif
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}
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#else
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simpleAPPower(pin, pincount, powerState);
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delay(500);
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// simpleAPPower(pin, pincount, true);
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#endif
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} |