Mirrors/MeshCore-Solo
1
0
Fork 0
mirror of https://github.com/MarekZegare4/MeshCore-Solo.git synced 2026-09-14 15:16:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add CardKB support for ProMicro via shared I2C bus

Browse Source
This commit is contained in:
tchellow
2026-08-23 21:44:17 -03:00
parent 51c06b78c1
commit 55203c2ddd
4 changed files with 72 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files
examples/companion_radio/ui-new/UITask.cpp
+14 -11
View File
@@ -1397,11 +1397,14 @@ void UITask::begin(DisplayDriver* display, SensorManager* sensors, NodePrefs* no
uint32_t aoff = autoOffMillis();
_auto_off = millis() + (aoff > 0 ? aoff : AUTO_OFF_MILLIS);
#if defined(ENV_PIN_SDA) && defined(ENV_PIN_SCL)
// Wire1 is already brought up by sensors.begin() (EnvironmentSensorManager),
// which runs before this -- just probe for a CardKB sitting on it.
Wire1.beginTransmission(0x5F);
_has_cardkb = (Wire1.endTransmission() == 0);
#if defined(CARDKB_I2C)
// On the ENV_PIN_SDA/SCL path, Wire1 is already brought up by
// sensors.begin() (EnvironmentSensorManager), which runs before this. On
// the CARDKB_USE_PRIMARY_WIRE path, Wire is already brought up by the
// board's own begin() (display/RTC), also before this -- either way, just
// probe for a CardKB sitting on the bus.
CARDKB_I2C.beginTransmission(0x5F);
_has_cardkb = (CARDKB_I2C.endTransmission() == 0);
#endif
#if defined(PIN_USER_BTN)
@@ -2104,7 +2107,7 @@ bool UITask::dequeueKey(char& c) {
return true;
}
#if defined(ENV_PIN_SDA) && defined(ENV_PIN_SCL)
#if defined(CARDKB_I2C)
// CardKB's "fn" column (key_map in M5Stack's unit_CardKB.cpp): Fn+<physical
// key> sends 0x80 + that key's row index, entirely disjoint from every other
// code this UI recognises. Indexed by (raw - 0x80); non-letter slots (digits,
@@ -2145,7 +2148,7 @@ static const char CARDKB_FN_BASE[48] = {
// once), so _cardkb_last_raw debounces it into one press per physical
// keypress, same as a MomentaryButton's CLICK event.
void UITask::pollCardKB() {
#if defined(ENV_PIN_SDA) && defined(ENV_PIN_SCL)
#if defined(CARDKB_I2C)
if (!_has_cardkb) return;
// No artificial throttle: unlike a MomentaryButton (BUTTON_USE_INTERRUPTS
// latches every edge in an ISR ring buffer, so it survives a blocking e-ink
@@ -2156,9 +2159,9 @@ void UITask::pollCardKB() {
// Polling every loop() iteration (same as a digital button's check(), which
// has no throttle either) just shrinks that miss window down to exactly the
// render() duration instead of render()+30ms.
Wire1.requestFrom(0x5F, 1);
if (!Wire1.available()) return;
uint8_t raw = Wire1.read();
CARDKB_I2C.requestFrom(0x5F, 1);
if (!CARDKB_I2C.available()) return;
uint8_t raw = CARDKB_I2C.read();
if (raw == _cardkb_last_raw) return; // still held (or still released) -- no new edge
_cardkb_last_raw = raw;
if (raw == 0) return; // key just released, nothing to enqueue
@@ -2480,7 +2483,7 @@ void UITask::loop() {
}
// Hint popup at bottom (like alert style)
_display->setTextSize(1);
#if defined(ENV_PIN_SDA) && defined(ENV_PIN_SCL)
#if defined(CARDKB_I2C)
const char* hint = _lock_seq_count == 0 ? (_has_cardkb ? "Back+3xEnter/Fn+Esc" : "Hold Back + 3xEnter") :
_lock_seq_count == 1 ? "Enter x2 more..." : "Enter x1 more...";
#else