march42 / rpi-sense Goto Github PK
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Sense HAT firmware and driver
This project forked from raspberrypi/rpi-sense
Sense HAT firmware and driver
I2C handling code in TWI_vect is broken
most probably after code reorg and adding ACK/NACK handling
LED_CFG and LED_GAIN undeclared if not USE_LEDREAD or USE_LEDWRITE
after bug fix the LEDs stay black
maybe the PORT is right and only wrong BIT macro
read_data wastes two complete write cycles to shift register - maybe this could be optimized and used to transfer more data or update the LEDs
with enabled sleep mode, the I2C slave is broken
pi@rpiAstro:~/rpi-sense $ i2cget -y 1 0x46 0xF0
Error: Read failed
pi@rpiAstro:~/rpi-sense $ i2cget -y 1 0x46 0xF1
Error: Read failed
pi@rpiAstro:~/rpi-sense $ i2cget -y 1 0x46 0xF2
Error: Read failed
pi@rpiAstro:~/rpi-sense $ i2cget -y 1 0x46 0xF3
Error: Read failed
pi@rpiAstro:~/rpi-sense $ i2cget -y 1 0x46 0xF4
Error: Read failed
pi@rpiAstro:~/rpi-sense $ i2cget -y 1 0x46 0xF5
Error: Read failed
pi@rpiAstro:~/rpi-sense $ i2cget -y 1 0x46 0x00
Error: Read failed
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