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Support SPI mode (and other SPI fixes) #22

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Support SPI mode (and other SPI fixes) #22

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41f92f5
Fix setup.py
kstar Nov 7, 2025
31a2b2c
Fix mismatched method name in spi read operation
kstar Nov 7, 2025
0ea4855
Support SPI mode option
kstar Nov 7, 2025
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1 change: 1 addition & 0 deletions firmware/source/interfaces/SpiMaster.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,7 @@ CmdStatus SPIMaster::init(uint8_t const *cmd) {
uint32_t baudrate = convertBytesToUInt32(&cmd[2]);

spi_init(_spiInst, baudrate);
spi_set_format(_spiInst, 8, (mode & 0x02) ? SPI_CPOL_1 : SPI_CPOL_0, (mode & 0x01) ? SPI_CPHA_1 : SPI_CPHA_0, SPI_MSB_FIRST);
gpio_set_function(_clkGP, GPIO_FUNC_SPI);
gpio_set_function(_mosiGP, GPIO_FUNC_SPI);
gpio_set_function(_misoGP, GPIO_FUNC_SPI);
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3 changes: 2 additions & 1 deletion setup.py
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Expand Up @@ -7,7 +7,8 @@
author='execuc',
author_email='',
license='MIT',
packages=['source/machine'],
packages=['machine'],
package_dir={'machine': 'source/machine'},
zip_safe=False,
install_requires=["pyserial>=3.5", "hid>=1.0.4", "micropython-cpython-ustruct==0.0", "micropython-cpython-micropython==0.1.1"])

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5 changes: 2 additions & 3 deletions source/machine/spi.py
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Expand Up @@ -11,9 +11,8 @@ def __init__(self, *, spi_index=0):
def __del__(self):
self.deinit()

def init(self, baudrate=1000000):
def init(self, baudrate=1000000, mode=0x00):
report_id = report_const.SPI0_INIT if self.spi_index == 0 else report_const.SPI1_INIT
mode = 0x00 # to implement
res = self._device.send_report(bytes([report_id, mode]) + baudrate.to_bytes(4, byteorder='little'))
if res[1] != report_const.OK:
raise RuntimeError("SPI init error.")
Expand All @@ -29,7 +28,7 @@ def deinit(self):

def read(self, nbytes, write=0):
buf = bytearray(nbytes)
self.readfrom_into(buf, write)
self._read_from_into(buf, write)
return buf

def readinto(self, buf, write=0):
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