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Allows changing HW CDC Buffer Size after or before begin() #8559

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Merged
merged 1 commit into from
Aug 24, 2023
Merged

Allows changing HW CDC Buffer Size after or before begin() #8559

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15 changes: 12 additions & 3 deletions cores/esp32/HWCDC.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -173,9 +173,18 @@ void HWCDC::begin(unsigned long baud)
if(tx_lock == NULL) {
tx_lock = xSemaphoreCreateMutex();
}
setRxBufferSize(256);//default if not preset
setTxBufferSize(256);//default if not preset

//RX Buffer default has 256 bytes if not preset
if(rx_queue == NULL) {
if (!setRxBufferSize(256)) {
log_e("HW CDC RX Buffer error");
}
}
//TX Buffer default has 256 bytes if not preset
if (tx_ring_buf == NULL) {
if (!setTxBufferSize(256)) {
log_e("HW CDC TX Buffer error");
}
}
usb_serial_jtag_ll_disable_intr_mask(USB_SERIAL_JTAG_LL_INTR_MASK);
usb_serial_jtag_ll_clr_intsts_mask(USB_SERIAL_JTAG_LL_INTR_MASK);
usb_serial_jtag_ll_ena_intr_mask(USB_SERIAL_JTAG_INTR_SERIAL_IN_EMPTY | USB_SERIAL_JTAG_INTR_SERIAL_OUT_RECV_PKT | USB_SERIAL_JTAG_INTR_BUS_RESET);
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