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uDisplay avoid crashing when no valid configuration (#21239)

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s-hadinger 2024-04-21 15:21:50 +02:00 committed by GitHub
parent 5ecd45e2da
commit cb70ff7a77
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GPG Key ID: B5690EEEBB952194
1 changed files with 14 additions and 0 deletions
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14
lib/lib_display/UDisplay/uDisplay.cpp
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@ -149,6 +149,7 @@ uDisplay::uDisplay(char *lp) : Renderer(800, 600) {
rot_t[3] = 3; rot_t[3] = 3;
epcoffs_full = 0; epcoffs_full = 0;
epcoffs_part = 0; epcoffs_part = 0;
interface = 0;
for (uint32_t cnt = 0; cnt < MAX_LUTS; cnt++) { for (uint32_t cnt = 0; cnt < MAX_LUTS; cnt++) {
lut_cnt[cnt] = 0; lut_cnt[cnt] = 0;
@ -1027,6 +1028,13 @@ exit:
Renderer *uDisplay::Init(void) { Renderer *uDisplay::Init(void) {
extern bool UsePSRAM(void); extern bool UsePSRAM(void);
if (!interface) { // no valid configuration, abort
#ifdef UDSP_DEBUG
Serial.printf("Dsp Init no valid configuration\n");
#endif
return NULL;
}
#ifdef UDSP_DEBUG #ifdef UDSP_DEBUG
Serial.printf("Dsp Init 1 start \n"); Serial.printf("Dsp Init 1 start \n");
#endif #endif
@ -1154,6 +1162,12 @@ Renderer *uDisplay::Init(void) {
if (interface == _UDSP_RGB) { if (interface == _UDSP_RGB) {
#ifdef USE_ESP32_S3 #ifdef USE_ESP32_S3
if (!UsePSRAM()) { // RGB is not supported on S3 without PSRAM
#ifdef UDSP_DEBUG
Serial.printf("Dsp RGB requires PSRAM, abort\n");
#endif
return NULL;
}
if (bpanel >= 0) { if (bpanel >= 0) {
analogWrite(bpanel, 32); analogWrite(bpanel, 32);