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shuttler: reorg SPI constants

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occheung 2023-09-18 19:54:32 -07:00 committed by Sébastien Bourdeauducq
parent 06426e0ed9
commit c2d136f669
1 changed files with 20 additions and 7 deletions
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27
artiq/coredevice/shuttler.py
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@ -131,17 +131,30 @@ RELAY_SPI_CONFIG = (0*spi.SPI_OFFLINE | 1*spi.SPI_END |
0*spi.SPI_CLK_POLARITY | 0*spi.SPI_CLK_PHASE |
0*spi.SPI_LSB_FIRST | 0*spi.SPI_HALF_DUPLEX)
SPI_CS_RELAY = 1 << 0
SPI_CS_LED = 1 << 1
SPI_DIV = 4
ADC_SPI_CONFIG = (0*spi.SPI_OFFLINE | 0*spi.SPI_END |
0*spi.SPI_INPUT | 0*spi.SPI_CS_POLARITY |
1*spi.SPI_CLK_POLARITY | 1*spi.SPI_CLK_PHASE |
0*spi.SPI_LSB_FIRST | 0*spi.SPI_HALF_DUPLEX)
ADC_CS = 1
ADC_SPI_DIV = 32
# SPI clock write and read dividers
# CS should assert at least 9.5 ns after clk pulse
SPIT_RELAY_WR = 4
# 25 ns high/low pulse hold (limiting for write)
SPIT_ADC_WR = 4
SPIT_ADC_RD = 16
# SPI CS line
CS_RELAY = 1 << 0
CS_LED = 1 << 1
CS_ADC = 1 << 0
# Referenced AD4115 registers
_AD4115_REG_STATUS = 0x00
_AD4115_REG_ADCMODE = 0x01
_AD4115_REG_DATA = 0x04
_AD4115_REG_ID = 0x07
_AD4115_REG_CH0 = 0x10
_AD4115_REG_SETUPCON0 = 0x20
class Relay:
@ -154,7 +167,7 @@ class Relay:
@kernel
def init(self):
self.bus.set_config_mu(
RELAY_SPI_CONFIG, 16, SPI_DIV, SPI_CS_RELAY | SPI_CS_LED)
RELAY_SPI_CONFIG, 16, SPIT_RELAY_WR, CS_RELAY | CS_LED)
@kernel
def set_led(self, leds: TInt32):