forked from M-Labs/nix-servo
fix software reset
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0f628aecc7
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ba07d6a7de
@ -46,7 +46,7 @@ def spi_read(spi, address):
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return rx_buffer[1]
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def hard_reset(spi):
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spi_write(spi, 0x00, 0x10) # Software reset
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spi_write(spi, 0x00, 0x20) # Software reset
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spi_write(spi, 0x00, 0x00) # Release software reset
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spi_read(spi, 0x00) # Read reset address (necessary for reset to take effect)
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@ -58,7 +58,7 @@ def check_version(spi):
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def configure_dac(spi):
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power_down_reg = spi_read(spi, 0x01)
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spi_write(spi, 0x01, power_down_reg & ~(1 << 0)) # Clear EXTREF bit for internal reference
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# spi_write(spi, 0x0D, 0x00) # Set RREF to 10 kΩ for 1.0V reference
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spi_write(spi, 0x0D, 0x00) # Set RREF to 10 kΩ for 1.0V reference
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spi_write(spi, 0x04, 0xA0) # Enable on-chip IRSET (1.6 kΩ for 20mA output)
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spi_write(spi, 0x07, 0xA0) # Enable on-chip QRSET (1.6 kΩ for 20mA output)
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spi_write(spi, 0x05, 0x00) # Disable internal IRCML
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