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Setup ESP32 PM-specific capability flags #7747

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Merged
thebentern merged 3 commits into from
Aug 26, 2025
Merged

Setup ESP32 PM-specific capability flags #7747

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9a1c2c9
setup flags which describe framework / device PM capabilties
m1nl Aug 25, 2025
ba26d03
standarize values of HAS_32768HZ capability flag
m1nl Aug 25, 2025
5aa486d
set HAS_32768HZ for Heltec V3 board
m1nl Aug 25, 2025
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13 changes: 13 additions & 0 deletions src/platform/esp32/architecture.h
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,9 @@
#ifndef HAS_CUSTOM_CRYPTO_ENGINE
#define HAS_CUSTOM_CRYPTO_ENGINE 1
#endif
#ifndef HAS_32768HZ
#define HAS_32768HZ 0
#endif

#if defined(HAS_AXP192) || defined(HAS_AXP2101)
#define HAS_PMU
Expand Down Expand Up @@ -215,3 +218,13 @@
#endif

#define SERIAL0_RX_GPIO 3 // Always GPIO3 on ESP32 // FIXME: may be different on ESP32-S3, etc.

// Setup flag, which indicates if our device supports power management
#ifdef CONFIG_PM_ENABLE
#define HAS_ESP32_PM_SUPPORT 1
#endif

// Setup flag, which indicates if our device supports dynamic light sleep
#if defined(HAS_ESP32_PM_SUPPORT) && defined(CONFIG_FREERTOS_USE_TICKLESS_IDLE)
#define HAS_ESP32_DYNAMIC_LIGHT_SLEEP 1
#endif
10 changes: 5 additions & 5 deletions src/platform/esp32/main-esp32.cpp
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Expand Up @@ -64,7 +64,7 @@ void getMacAddr(uint8_t *dmac)
#endif
}

#ifdef HAS_32768HZ
#if HAS_32768HZ
#define CALIBRATE_ONE(cali_clk) calibrate_one(cali_clk, #cali_clk)

static uint32_t calibrate_one(rtc_cal_sel_t cal_clk, const char *name)
Expand All @@ -86,17 +86,17 @@ void enableSlowCLK()
uint32_t cal_32k = CALIBRATE_ONE(RTC_CAL_32K_XTAL);

if (cal_32k == 0) {
LOG_DEBUG("32K XTAL OSC has not started up");
LOG_DEBUG("32k XTAL OSC has not started up");
} else {
rtc_clk_slow_freq_set(RTC_SLOW_FREQ_32K_XTAL);
LOG_DEBUG("Switch RTC Source to 32.768Khz succeeded, using 32K XTAL");
LOG_DEBUG("Switch RTC Source to 32.768kHz succeeded, using 32k XTAL");
CALIBRATE_ONE(RTC_CAL_RTC_MUX);
CALIBRATE_ONE(RTC_CAL_32K_XTAL);
}
CALIBRATE_ONE(RTC_CAL_RTC_MUX);
CALIBRATE_ONE(RTC_CAL_32K_XTAL);
if (rtc_clk_slow_freq_get() != RTC_SLOW_FREQ_32K_XTAL) {
LOG_WARN("Failed to switch 32K XTAL RTC source to 32.768Khz !!! ");
LOG_WARN("Failed to switch 32K XTAL RTC source to 32.768kHz !!! ");
return;
}
}
Expand Down Expand Up @@ -182,7 +182,7 @@ void esp32Setup()
res = esp_task_wdt_add(NULL);
assert(res == ESP_OK);

#ifdef HAS_32768HZ
#if HAS_32768HZ
enableSlowCLK();
#endif
}
Expand Down
2 changes: 2 additions & 0 deletions variants/esp32s3/heltec_v3/variant.h
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Expand Up @@ -40,3 +40,5 @@

#define SX126X_DIO2_AS_RF_SWITCH
#define SX126X_DIO3_TCXO_VOLTAGE 1.8

#define HAS_32768HZ 1
4 changes: 2 additions & 2 deletions variants/esp32s3/tbeam-s3-core/variant.h
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Expand Up @@ -62,6 +62,6 @@
// #define PCF8563_RTC 0x51 //Putting definitions in variant. h does not compile correctly

// has 32768 Hz crystal
#define HAS_32768HZ
#define HAS_32768HZ 1

#define USE_SH1106
#define USE_SH1106
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