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Deduplicate DC/DC regulator enable for NRF52 boards

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Some NRF52 boards are able to use the internal power-efficient DC/DC
regulator. Add a new class that can be inherited by board classes to
enable this feature and reduce the power consumption.

Signed-off-by: Frieder Schrempf <frieder@fris.de>
This commit is contained in:
Frieder Schrempf
2025-12-09 17:05:33 +01:00
parent 93d1560d14
commit e3bb225efb
12 changed files with 40 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
variants/rak_wismesh_tag/RAKWismeshTagBoard.cpp
View File

@@ -19,16 +19,7 @@ static void disconnect_callback(uint16_t conn_handle, uint8_t reason) {
}
void RAKWismeshTagBoard::begin() {
NRF52Board::begin();
// Enable DC/DC converter for improved power efficiency
uint8_t sd_enabled = 0;
sd_softdevice_is_enabled(&sd_enabled);
if (sd_enabled) {
sd_power_dcdc_mode_set(NRF_POWER_DCDC_ENABLE);
} else {
NRF_POWER->DCDCEN = 1;
}
NRF52BoardDCDC::begin();
pinMode(PIN_VBAT_READ, INPUT);
pinMode(PIN_USER_BTN, INPUT_PULLUP);

2
variants/rak_wismesh_tag/RAKWismeshTagBoard.h
View File

@@ -8,7 +8,7 @@
#define PIN_VBAT_READ 5
#define ADC_MULTIPLIER (3 * 1.73 * 1.187 * 1000)
class RAKWismeshTagBoard : public NRF52Board {
class RAKWismeshTagBoard : public NRF52BoardDCDC {
public:
void begin();

11
variants/t1000-e/T1000eBoard.cpp
View File

@@ -5,18 +5,9 @@
#include <bluefruit.h>
void T1000eBoard::begin() {
NRF52Board::begin();
NRF52BoardDCDC::begin();
btn_prev_state = HIGH;
// Enable DC/DC converter for improved power efficiency
uint8_t sd_enabled = 0;
sd_softdevice_is_enabled(&sd_enabled);
if (sd_enabled) {
sd_power_dcdc_mode_set(NRF_POWER_DCDC_ENABLE);
} else {
NRF_POWER->DCDCEN = 1;
}
#ifdef BUTTON_PIN
pinMode(BATTERY_PIN, INPUT);
pinMode(BUTTON_PIN, INPUT);

2
variants/t1000-e/T1000eBoard.h
View File

@@ -4,7 +4,7 @@
#include <Arduino.h>
#include <helpers/NRF52Board.h>
class T1000eBoard : public NRF52Board {
class T1000eBoard : public NRF52BoardDCDC {
protected:
uint8_t btn_prev_state;

11
variants/wio-tracker-l1/WioTrackerL1Board.cpp
View File

@@ -19,18 +19,9 @@ static void disconnect_callback(uint16_t conn_handle, uint8_t reason) {
}
void WioTrackerL1Board::begin() {
NRF52Board::begin();
NRF52BoardDCDC::begin();
btn_prev_state = HIGH;
// Enable DC/DC converter for improved power efficiency
uint8_t sd_enabled = 0;
sd_softdevice_is_enabled(&sd_enabled);
if (sd_enabled) {
sd_power_dcdc_mode_set(NRF_POWER_DCDC_ENABLE);
} else {
NRF_POWER->DCDCEN = 1;
}
pinMode(PIN_VBAT_READ, INPUT); // VBAT ADC input
// Set all button pins to INPUT_PULLUP
pinMode(PIN_BUTTON1, INPUT_PULLUP);

2
variants/wio-tracker-l1/WioTrackerL1Board.h
View File

@@ -4,7 +4,7 @@
#include <Arduino.h>
#include <helpers/NRF52Board.h>
class WioTrackerL1Board : public NRF52Board {
class WioTrackerL1Board : public NRF52BoardDCDC {
protected:
uint8_t btn_prev_state;

11
variants/wio_wm1110/WioWM1110Board.cpp
View File

@@ -21,16 +21,7 @@ static void disconnect_callback(uint16_t conn_handle, uint8_t reason) {
}
void WioWM1110Board::begin() {
NRF52Board::begin();
// Enable DC/DC converter for improved power efficiency
uint8_t sd_enabled = 0;
sd_softdevice_is_enabled(&sd_enabled);
if (sd_enabled) {
sd_power_dcdc_mode_set(NRF_POWER_DCDC_ENABLE);
} else {
NRF_POWER->DCDCEN = 1;
}
NRF52BoardDCDC::begin();
pinMode(BATTERY_PIN, INPUT);
pinMode(LED_GREEN, OUTPUT);

2
variants/wio_wm1110/WioWM1110Board.h
View File

@@ -11,7 +11,7 @@
#endif
#define Serial Serial1
class WioWM1110Board : public NRF52Board {
class WioWM1110Board : public NRF52BoardDCDC {
public:
void begin();

11
variants/xiao_nrf52/XiaoNrf52Board.cpp
View File

@@ -21,16 +21,7 @@ static void disconnect_callback(uint16_t conn_handle, uint8_t reason) {
}
void XiaoNrf52Board::begin() {
NRF52Board::begin();
// Enable DC/DC converter for improved power efficiency
uint8_t sd_enabled = 0;
sd_softdevice_is_enabled(&sd_enabled);
if (sd_enabled) {
sd_power_dcdc_mode_set(NRF_POWER_DCDC_ENABLE);
} else {
NRF_POWER->DCDCEN = 1;
}
NRF52BoardDCDC::begin();
pinMode(PIN_VBAT, INPUT);
pinMode(VBAT_ENABLE, OUTPUT);

2
variants/xiao_nrf52/XiaoNrf52Board.h
View File

@@ -6,7 +6,7 @@
#ifdef XIAO_NRF52
class XiaoNrf52Board : public NRF52Board {
class XiaoNrf52Board : public NRF52BoardDCDC {
public:
void begin();