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#81: directly enable the ISR on HWCDC restart if connected

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andreas
2024-11-04 10:32:52 +01:00
parent 041b550ae9
commit 1d5577a777
2 changed files with 36 additions and 3 deletions
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11
lib/serial/GwSerial.h
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@@ -4,6 +4,9 @@
#include "GwLog.h"
#include "GwBuffer.h"
#include "GwChannelInterface.h"
#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3
#include "hal/usb_serial_jtag_ll.h"
#endif
#define USBCDC_RESTART_TIME 100
class GwSerialStream;
@@ -77,7 +80,7 @@ template<typename T>
* workaround for the HWCDC beeing stuck at some point in time
* with availableForWrite == 0 but the ISR being disabled
* we simply give a small delay of 100ms for availableForWrite being 0
* and afterwards call isConnected that seems to retrigger the ISR
* and afterwards retrigger the ISR
*/
int availableForWrite(HWCDC* c){
int rt=c->availableForWrite();
@@ -88,8 +91,10 @@ template<typename T>
unsigned long now=millis();
if (now > (lastWritable+USBCDC_RESTART_TIME)){
lastWritable=now;
LOG_ERROR("***Restart USBCDC***");
c->isConnected(); //this seems to retrigger the ISR
if (c->isConnected()){
//this retriggers the ISR
usb_serial_jtag_ll_ena_intr_mask(USB_SERIAL_JTAG_INTR_SERIAL_IN_EMPTY);
}
}
return rt;
}