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fix(e1004): reconfigure panel geometry on deep sleep wakeup #145

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Merged
jonasniesner merged 1 commit into from
Aug 7, 2026
Merged

fix(e1004): reconfigure panel geometry on deep sleep wakeup #145

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44 changes: 26 additions & 18 deletions src/display_service.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -144,6 +144,8 @@ struct PartialStreamContext {

void pwrmgm(bool onoff);
String getChipIdHex();
int bbepSetPanelType(BBEPDISP *pBBEP, int iPanel);
void bbepSetRotation(BBEPDISP *pBBEP, int iRotation);
void bbepInitIO(BBEPDISP *pBBEP, uint8_t u8DC, uint8_t u8RST, uint8_t u8BUSY, uint8_t u8CS, uint8_t u8MOSI, uint8_t u8SCK, uint32_t u32Speed);
void bbepWakeUp(BBEPDISP *pBBEP);
void bbepSendCMDSequence(BBEPDISP *pBBEP, const uint8_t *pSeq);
Expand Down Expand Up @@ -359,6 +361,28 @@ static void epdAlignCustomPartialRamMode(void) {
}
}

// Sets bbep.type/native dims/rotation and (E1004) e1004GeometryOk from globalConfig.
static void configureBbepPanelGeometry(void) {
memset(&bbep, 0, sizeof(BBEPDISP));
int panelType = mapEpd(globalConfig.displays[0].panel_ic_type);
bbepSetPanelType(&bbep, panelType);
int rotation = globalConfig.displays[0].rotation * 90;
#ifdef BBEP_T133A01
e1004GeometryOk = false;
if (e1004_panel_used()) {
rotation = 0; // host bakes rotation into packed image
if (globalConfig.displays[0].pixel_width != bbep.native_width ||
globalConfig.displays[0].pixel_height != bbep.native_height ||
globalConfig.displays[0].color_scheme != OD_COLOR_SCHEME_BWGBRY_SPLIT) {
od_log_error("ERROR: E1004 requires a 1200x1600 bwgbry_split (8) display config");
} else {
e1004GeometryOk = true;
}
}
#endif
bbepSetRotation(&bbep, rotation);
}

static void initBbepPanelSession() {
const DisplayConfig& d = globalConfig.displays[0];
#ifdef BBEP_T133A01
Expand Down Expand Up @@ -511,6 +535,7 @@ static bool epdSessionAcquire(bool partialInit) {
pwrmgm(true); // -> PWR_ACTIVE (guarded; real transition)
if (!epdSessionUsesFastepd()) {
const DisplayConfig& d = globalConfig.displays[0];
configureBbepPanelGeometry();
#ifdef BBEP_T133A01
if (e1004_panel_used()) {
e1004InitPanel();
Expand Down Expand Up @@ -1787,24 +1812,7 @@ void initDisplay(){
#endif
{
prepareEpdRailForBoot();
memset(&bbep, 0, sizeof(BBEPDISP));
int panelType = mapEpd(globalConfig.displays[0].panel_ic_type);
bbepSetPanelType(&bbep, panelType);
int rotation = globalConfig.displays[0].rotation * 90;
#ifdef BBEP_T133A01
e1004GeometryOk = false;
if (e1004_panel_used()) {
rotation = 0; // host bakes rotation into packed image
if (globalConfig.displays[0].pixel_width != bbep.native_width ||
globalConfig.displays[0].pixel_height != bbep.native_height ||
globalConfig.displays[0].color_scheme != OD_COLOR_SCHEME_BWGBRY_SPLIT) {
od_log_error("ERROR: E1004 requires a 1200x1600 bwgbry_split (8) display config");
} else {
e1004GeometryOk = true;
}
}
#endif
bbepSetRotation(&bbep, rotation);
configureBbepPanelGeometry();
od_log_info("Height: %u", globalConfig.displays[0].pixel_height);
od_log_info("Width: %u", globalConfig.displays[0].pixel_width);
initBbepPanelSession();
Expand Down
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