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feat(uart) 3.1.x Core: fixes serialEventRun() to avoid calling available() if serialEvent() is not declared #10428

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merged 2 commits into from
Oct 7, 2024
Merged

feat(uart) 3.1.x Core: fixes serialEventRun() to avoid calling available() if serialEvent() is not declared #10428

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8a3d615
feat(uart): eliminates nonexistent functions
SuGlider Oct 7, 2024
07b2e1d
Merge branch 'master' into cleans_linker_weak_functions
SuGlider Oct 7, 2024
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15 changes: 5 additions & 10 deletions cores/esp32/HardwareSerial.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -24,16 +24,13 @@
#endif

void serialEvent(void) __attribute__((weak));
void serialEvent(void) {}

#if SOC_UART_NUM > 1
void serialEvent1(void) __attribute__((weak));
void serialEvent1(void) {}
#endif /* SOC_UART_NUM > 1 */

#if SOC_UART_NUM > 2
void serialEvent2(void) __attribute__((weak));
void serialEvent2(void) {}
#endif /* SOC_UART_NUM > 2 */

#if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_SERIAL)
Expand All @@ -48,37 +45,35 @@ HardwareSerial Serial2(2);

#if HWCDC_SERIAL_IS_DEFINED == 1 // Hardware JTAG CDC Event
extern void HWCDCSerialEvent(void) __attribute__((weak));
void HWCDCSerialEvent(void) {}
#endif

#if USB_SERIAL_IS_DEFINED == 1 // Native USB CDC Event
// Used by Hardware Serial for USB CDC events
extern void USBSerialEvent(void) __attribute__((weak));
void USBSerialEvent(void) {}
#endif

void serialEventRun(void) {
#if HWCDC_SERIAL_IS_DEFINED == 1 // Hardware JTAG CDC Event
if (HWCDCSerial.available()) {
if (HWCDCSerialEvent && HWCDCSerial.available()) {
HWCDCSerialEvent();
}
#endif
#if USB_SERIAL_IS_DEFINED == 1 // Native USB CDC Event
if (USBSerial.available()) {
if (USBSerialEvent && USBSerial.available()) {
USBSerialEvent();
}
#endif
// UART0 is default serialEvent()
if (Serial0.available()) {
if (serialEvent && Serial0.available()) {
serialEvent();
}
#if SOC_UART_NUM > 1
if (Serial1.available()) {
if (serialEvent1 && Serial1.available()) {
serialEvent1();
}
#endif
#if SOC_UART_NUM > 2
if (Serial2.available()) {
if (serialEvent2 && Serial2.available()) {
serialEvent2();
}
#endif
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