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tests/ports/rp2: Update DMA test to work on RP2350.

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Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2024-08-07 17:03:22 +10:00
parent f9cebe676e
commit fda7ae83a8
2 changed files with 36 additions and 5 deletions
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22
tests/ports/rp2/rp2_dma.py
View File

@@ -1,21 +1,36 @@
# Test rp2.DMA functionality. # Test rp2.DMA functionality.
import sys
import time import time
import machine import machine
import rp2 import rp2
is_rp2350 = "RP2350" in sys.implementation._machine
src = bytes(i & 0xFF for i in range(16 * 1024)) src = bytes(i & 0xFF for i in range(16 * 1024))
print("# test basic usage") print("# test basic usage")
dma = rp2.DMA() dma = rp2.DMA()
# Test printing.
print(dma) print(dma)
print(rp2.DMA.unpack_ctrl(dma.pack_ctrl()))
# Test pack_ctrl/unpack_ctrl.
ctrl_dict = rp2.DMA.unpack_ctrl(dma.pack_ctrl())
if is_rp2350:
for entry in ("inc_read_rev", "inc_write_rev"):
assert entry in ctrl_dict
del ctrl_dict[entry]
for key, value in sorted(ctrl_dict.items()):
print(key, value)
# Test register access.
dma.read = 0 dma.read = 0
dma.write = 0 dma.write = 0
dma.count = 0 dma.count = 0
dma.ctrl = dma.pack_ctrl() dma.ctrl = dma.pack_ctrl()
print(dma.read, dma.write, dma.count, dma.ctrl & 0x01FFFFFF, dma.channel, dma.registers) print(dma.read, dma.write, dma.count, dma.ctrl & 0x01F, dma.channel, dma.registers)
dma.close() dma.close()
# Test closing when already closed. # Test closing when already closed.
@@ -62,7 +77,8 @@ dma.write = dest
dma.count = len(dest) // 4 dma.count = len(dest) // 4
dma.ctrl = dma.pack_ctrl() dma.ctrl = dma.pack_ctrl()
dt = run_and_time_dma(dma) dt = run_and_time_dma(dma)
print(70 <= dt <= 110) expected_dt_range = range(40, 70) if is_rp2350 else range(70, 125)
print(dt in expected_dt_range)
print(dest[:8], dest[-8:]) print(dest[:8], dest[-8:])
dma.close() dma.close()

19
tests/ports/rp2/rp2_dma.py.exp
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@@ -1,7 +1,22 @@
# test basic usage # test basic usage
DMA(0) DMA(0)
{'inc_read': 1, 'high_pri': 0, 'write_err': 0, 'ring_sel': 0, 'enable': 1, 'treq_sel': 63, 'sniff_en': 0, 'irq_quiet': 1, 'read_err': 0, 'chain_to': 0, 'busy': 0, 'inc_write': 1, 'ring_size': 0, 'bswap': 0, 'size': 2, 'ahb_err': 0} ahb_err 0
0 0 0 4161593 0 <memoryview> bswap 0
busy 0
chain_to 0
enable 1
high_pri 0
inc_read 1
inc_write 1
irq_quiet 1
read_err 0
ring_sel 0
ring_size 0
size 2
sniff_en 0
treq_sel 63
write_err 0
0 0 0 25 0 <memoryview>
ValueError ValueError
# test memory copy # test memory copy
True True