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updated p-card interrupt information and other technical docs

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dekunukem
2022-03-12 13:13:52 +00:00
parent d2a8baa91f
commit c1b9fcd605
4 changed files with 22 additions and 6 deletions
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8
user_program/usb4vc_usb_scan.py
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@@ -910,9 +910,11 @@ def raw_input_event_worker():
# ----------------- PBOARD INTERRUPT -----------------
if GPIO.event_detected(SLAVE_REQ_PIN):
slave_result = None
for x in range(2):
slave_result = pcard_spi.xfer(make_spi_msg_ack())
# send out ACK to turn off P-Card interrupt
slave_result = pcard_spi.xfer(make_spi_msg_ack())
time.sleep(0.001)
# send another to shift response into RPi
slave_result = pcard_spi.xfer(make_spi_msg_ack())
print(int(time.time()), slave_result)
if slave_result[SPI_BUF_INDEX_MAGIC] == SPI_MISO_MAGIC and slave_result[SPI_BUF_INDEX_MSG_TYPE] == SPI_MISO_MSG_TYPE_KB_LED_REQUEST:
try: