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Commit e0657db

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Merge pull request espressif#8559 from SuGlider/hwcdc_buffer_review
Allows changing HW CDC Buffer Size after or before begin()
2 parents f1eacf7 + 6d1706c commit e0657db
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‎cores/esp32/HWCDC.cpp

Copy file name to clipboardExpand all lines: cores/esp32/HWCDC.cpp
+12-3Lines changed: 12 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -173,9 +173,18 @@ void HWCDC::begin(unsigned long baud)
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if(tx_lock == NULL) {
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tx_lock = xSemaphoreCreateMutex();
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}
176-
setRxBufferSize(256);//default if not preset
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setTxBufferSize(256);//default if not preset
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//RX Buffer default has 256 bytes if not preset
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if(rx_queue == NULL) {
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if (!setRxBufferSize(256)) {
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log_e("HW CDC RX Buffer error");
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}
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}
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//TX Buffer default has 256 bytes if not preset
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if (tx_ring_buf == NULL) {
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if (!setTxBufferSize(256)) {
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log_e("HW CDC TX Buffer error");
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}
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}
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usb_serial_jtag_ll_disable_intr_mask(USB_SERIAL_JTAG_LL_INTR_MASK);
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usb_serial_jtag_ll_clr_intsts_mask(USB_SERIAL_JTAG_LL_INTR_MASK);
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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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