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thinknode_m5: add pca9557 expander

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This commit is contained in:
Florent 2025-11-27 22:55:21 +01:00
parent d0f6def4f9
commit 24edd3cf20
5 changed files with 17 additions and 8 deletions
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3
variants/thinknode_m5/ThinknodeM5Board.cpp
View file

@ -1,7 +1,6 @@
#include "ThinknodeM5Board.h"
void ThinknodeM5Board::begin() {
pinMode(PIN_VEXT_EN, OUTPUT);
digitalWrite(PIN_VEXT_EN, !PIN_VEXT_EN_ACTIVE); // force power cycle
@ -9,7 +8,7 @@ void ThinknodeM5Board::begin() {
digitalWrite(PIN_VEXT_EN, PIN_VEXT_EN_ACTIVE); // turn backlight back on
delay(120); // give display time to bias on cold boot
ESP32Board::begin();
pinMode(PIN_STATUS_LED, OUTPUT); // init power led
// pinMode(PIN_STATUS_LED, OUTPUT); // init power led
}
void ThinknodeM5Board::enterDeepSleep(uint32_t secs, int pin_wake_btn) {

7
variants/thinknode_m5/platformio.ini
View file

@ -19,9 +19,9 @@ build_flags = ${esp32_base.build_flags}
-D P_LORA_MISO=7
-D P_LORA_MOSI=15
-D PIN_USER_BTN=21
-D PIN_STATUS_LED=1
-D LED_STATE_ON=HIGH
-D PIN_LED=3
# -D PIN_STATUS_LED=1 ; leds are on PCA !!!
# -D LED_STATE_ON=HIGH
# -D PIN_LED=3
-D DISPLAY_ROTATION=4
-D DISPLAY_CLASS=GxEPDDisplay
-D EINK_DISPLAY_MODEL=GxEPD2_154_D67
@ -45,6 +45,7 @@ build_src_filter = ${esp32_base.build_src_filter}
lib_deps = ${esp32_base.lib_deps}
zinggjm/GxEPD2 @ 1.6.2
bakercp/CRC32 @ ^2.0.0
maxpromer/PCA9557-arduino
[env:ThinkNode_M5_Repeater]
extends = ThinkNode_M5

6
variants/thinknode_m5/target.cpp
View file

@ -15,6 +15,7 @@ WRAPPER_CLASS radio_driver(radio, board);
ESP32RTCClock fallback_clock;
AutoDiscoverRTCClock rtc_clock(fallback_clock);
SensorManager sensors;
PCA9557 expander (0x18, &Wire1);
#ifdef DISPLAY_CLASS
DISPLAY_CLASS display;
@ -26,6 +27,11 @@ bool radio_init() {
rtc_clock.begin(Wire);
// pinMode(21, INPUT);
// pinMode(48, OUTPUT);
Wire1.begin(48, 47);
expander.pinMode(4, OUTPUT); // eink
expander.pinMode(5, OUTPUT); // peripherals
expander.digitalWrite(4, HIGH);
expander.digitalWrite(5, HIGH);
#if defined(P_LORA_SCLK)
spi.begin(P_LORA_SCLK, P_LORA_MISO, P_LORA_MOSI);
return radio.std_init(&spi);

3
variants/thinknode_m5/target.h
View file

@ -12,11 +12,14 @@
#include <helpers/ui/GxEPDDisplay.h>
#include <helpers/ui/MomentaryButton.h>
#endif
#include <Wire.h>
#include <PCA9557.h>
extern ThinknodeM5Board board;
extern WRAPPER_CLASS radio_driver;
extern AutoDiscoverRTCClock rtc_clock;
extern SensorManager sensors;
extern PCA9557 expander;
#ifdef DISPLAY_CLASS
extern DISPLAY_CLASS display;

6
variants/thinknode_m5/variant.h
View file

@ -7,8 +7,8 @@
#define PIN_VEXT_EN_ACTIVE HIGH
#define PIN_VEXT_EN 46
#define PIN_USER_BTN 21
#define PIN_LED 3
#define PIN_STATUS_LED 1
//#define PIN_LED 3
//#define PIN_STATUS_LED 1
#define PIN_PWRBTN 14
#define PIN_DISPLAY_MISO (-1)
@ -18,4 +18,4 @@
#define PIN_DISPLAY_DC (40)
#define PIN_DISPLAY_RST (41)
#define PIN_DISPLAY_BUSY (42)
#define DISP_BACKLIGHT (5)
//#define DISP_BACKLIGHT (5)