adc: use a generous upper bound

2023-09-18 19:55:16 -07:00 · 2023-09-18 19:55:16 -07:00 · 870020bc9f
parent c2d136f669
commit 870020bc9f
1 changed files with 3 additions and 0 deletions
--- a/artiq/coredevice/shuttler.py
+++ b/artiq/coredevice/shuttler.py
@ -224,6 +224,9 @@ class ADC:
        self.bus.set_config_mu(
            ADC_SPI_CONFIG | spi.SPI_END, 32, SPIT_ADC_WR, CS_ADC)
        self.bus.write(addr << 24 | (data & 0xffffff))
+
+        delay(100*us)
+        adc_code = self.read24(_AD4115_REG_DATA)
        return ((adc_code / (1 << 23)) - 1) * 2.5 / 0.1
    
    @kernel