URL
https://opencores.org/ocsvn/vspi/vspi/trunk
Subversion Repositories vspi
Compare Revisions
- This comparison shows the changes necessary to convert path
/
- from Rev 7 to Rev 8
- ↔ Reverse comparison
Rev 7 → Rev 8
/vspi/trunk/scripts/master/spitest.py
12,9 → 12,9
sys.exit(1) |
|
port = int(sys.argv[1]) |
mode = 2 |
bitrate = 40000 # kbps |
byteCount = 11 # bytes |
mode = 3 |
bitrate = 30000 # kbps |
byteCount = 4096 # bytes |
|
# Open the device |
handle = ch_open(port) |
44,10 → 44,10
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# Create 4KB of fake data so we can exchange it for real data |
data_in = array('B', [0 for i in range(byteCount)]) |
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ch_spi_queue_clear(handle) |
ch_spi_queue_oe(handle, 1) |
ch_spi_queue_ss(handle, 0x1) |
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ch_spi_queue_byte(handle, 1, 1) # Sending data to FPGA |
ch_spi_queue_byte(handle, 1, 0xFF) # Sending bytes |
ch_spi_queue_byte(handle, 1, 0xF0) # Sending bytes |
58,23 → 58,25
ch_spi_queue_byte(handle, 1, 0x56) # Sending bytes |
ch_spi_queue_byte(handle, 1, 0x78) # Sending bytes |
ch_spi_queue_byte(handle, 1, 0x9A) # Sending bytes |
ch_spi_queue_ss(handle, 0) |
(actualByteCount, data_in) = ch_spi_batch_shift(handle, byteCount) |
for i in range(actualByteCount): |
sys.stdout.write("%x " % data_in[i]) |
sys.stdout.write("\n") |
|
ch_spi_queue_clear(handle) |
ch_spi_queue_oe(handle, 1) |
ch_spi_queue_ss(handle, 0x1) |
ch_spi_queue_byte(handle, 1, 3) # Receiving data from FPGA |
for i in range(1024): |
ch_spi_queue_byte(handle, 1, 0x00) # Sending bytes (1024 bytes of gibberish) |
ch_spi_queue_ss(handle, 0) |
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#ch_spi_queue_byte(handle, 1, 0x00) # Send an empty byte, SS high |
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(actualByteCount, data_in) = ch_spi_batch_shift(handle, byteCount) |
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#if (actualByteCount < 0): |
# print "error: %s" % ch_status_string(count) |
#elif (actualByteCount != byteCount): |
# print "error: read %d bytes (expected %d)" % (actualByteCount, byteCount) |
#else: |
for i in range(actualByteCount): |
sys.stdout.write("%d " % data_in[i]) |
sys.stdout.write("%x " % data_in[i]) |
sys.stdout.write("\n") |
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# Close and exit |
ch_close(handle) |
sys.exit(0) |