add stuff for a5791 dac

lib/__init__.py

@@ -26,7 +26,9 @@ from lib.system import (
     CONNECTIONS,
     FLIR,
     MOGRF,
-    ad5791_init_val,
+    AD5791_INIT,
+    AD5791_CTRL,
+    AD5791_DAC,
 )
 from lib.dataio import (
     get_timestamp,

lib/system.py

@@ -40,6 +40,9 @@ CONNECTIONS = ConnectionLayout(
     mot3_coils_onoff    = Digital(0,  2, 1),
     mot3_coils_cur      =  Analog(0,  3.45),
     mot3_coils_vol      =  Analog(1,  7.00),
+    mot3_coils_sig      = Digital(0,  8, 0),
+    mot3_coils_clk      = Digital(0, 10, 0),
+    mot3_coils_sync     = Digital(0, 14, 1),
     shim_coils_ud       =  Analog(2,  0.00),
     shim_coils_lr       =  Analog(3,  0.00),
     shim_coils_fb       =  Analog(4,  0.00),
@@ -74,20 +77,7 @@ FLIR = Grasshopper(FLIR_SERIAL)
 MOGRF_COM = 3
 MOGRF = MOGDriver("COM", MOGRF_COM)
 
-def ad5791_init_val(register: int, value: int) -> int:
-    """
-    Returns the 24-bit integer value to send to the AD5791 DAC encoding the
-    operation mode.
-
-    Parameters
-    ----------
-    register : uint8
-    value : uint24
-    """
-    r = register % 256
-    B10 = value % 65536
-    B2 = (value >> 16) % 256
-    return (((B2 & 0x0f) | r) << 16) + B10
-
-AD5791_CTRL = ad5791_init_val(0x20, 0x0012)
+AD5791_CTRL = 0b0010
+AD5791_INIT = 0b00000000000000010010
+AD5791_DAC = 0b0001