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cpu/esp32/stdio_usb_serial_jtag: Fix to ESP32 stdio usb serial hanging if it receives data too quickly #20972

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merged 1 commit into from
Nov 12, 2024
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cpu/esp32/stdio_usb_serial_jtag: Fix to ESP32 stdio usb serial hanging if it receives data too quickly #20972

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4 changes: 2 additions & 2 deletions cpu/esp32/stdio_usb_serial_jtag/usb_serial_jtag.c
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@
static uint8_t serial_tx_rb_buf[USB_SERIAL_JTAG_PACKET_SZ_BYTES];

#define IRQ_MASK (USB_SERIAL_JTAG_INTR_SERIAL_IN_EMPTY | \
(IS_USED(MODULE_STDIO_USB_SERIAL_JTAG_RX) * USB_SERIAL_JTAG_INTR_SERIAL_OUT_RECV_PKT))

Check warning on line 39 in cpu/esp32/stdio_usb_serial_jtag/usb_serial_jtag.c

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static ssize_t _write(const void *buffer, size_t len)
{
Expand Down Expand Up @@ -73,11 +73,11 @@
}
USB_SERIAL_JTAG.ep1.rdwr_byte = c;
}
usb_serial_jtag_ll_txfifo_flush();
}

/* clear all interrupt flags */
usb_serial_jtag_ll_clr_intsts_mask(mask);
usb_serial_jtag_ll_clr_intsts_mask(USB_SERIAL_JTAG_LL_INTR_MASK);
usb_serial_jtag_ll_txfifo_flush();

irq_isr_exit();
}
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