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Optionally disable blink during light-sleep

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This commit is contained in:
Todd Herbert 2024-04-15 18:24:01 +12:00
parent a0f07be96e
commit 66347ce19b
3 changed files with 14 additions and 3 deletions
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15
src/PowerFSM.cpp
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@ -17,6 +17,7 @@
#include "sleep.h"
#include "target_specific.h"
// How long between LED blinks during light-sleep
#ifndef SLEEP_TIME
#define SLEEP_TIME 30
#endif
@ -84,19 +85,27 @@ static void lsIdle()
if (secsSlept < config.power.ls_secs) {
// If some other service would stall sleep, don't let sleep happen yet
if (doPreflightSleep()) {
#ifdef LS_NO_BLINK
// Sleep now for the full duration
uint32_t sleepTime = config.power.ls_secs;
#else
// Briefly come out of sleep long enough to blink the led once every few seconds
uint32_t sleepTime = SLEEP_TIME;
#endif
setLed(false); // Never leave led on while in light sleep
esp_sleep_source_t wakeCause2 = doLightSleep(sleepTime * 1000LL);
switch (wakeCause2) {
case ESP_SLEEP_WAKEUP_TIMER:
// Normal case: timer expired, we should just go back to sleep ASAP
#ifndef LS_NO_BLINK
// Normal case: timer expired, we should just go back to sleep ASAP
setLed(true); // briefly turn on led
wakeCause2 = doLightSleep(100); // leave led on for 1ms
#else
// If LS_NO_BLINK, no action here. Mark complete (secsSlept), and handle next time lsIdle() is called
#endif
secsSlept += sleepTime;
// LOG_INFO("sleeping, flash led!\n");
break;

1
variants/heltec_wireless_paper/variant.h
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@ -58,3 +58,4 @@
// Power management
#define NIMBLE_DEINIT_FOR_DEEPSLEEP // Required to reach manufacturers claim of 18uA
#define LS_NO_BLINK // Prevent LED blink during light-sleep. BLE hardware has slow current ramp-down; too wasteful

1
variants/heltec_wireless_paper_v1/variant.h
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@ -58,3 +58,4 @@
// Power management
#define NIMBLE_DEINIT_FOR_DEEPSLEEP // Required to reach manufacturers claim of 18uA
#define LS_NO_BLINK // Prevent LED blink during light-sleep. BLE hardware has slow current ramp-down; too wasteful