Diff: src/admw_1001.c

Revision:

72:35ea0b4e725b

Parent:

70:420fac5132f5

--- a/src/admw_1001.c	Thu Apr 23 08:34:45 2020 +0000
+++ b/src/admw_1001.c	Fri Apr 24 06:37:01 2020 +0000
@@ -1063,6 +1063,36 @@
     return ADMW_SUCCESS;
 }
 
+static ADMW_RESULT admw_SetExtVrefBufferMode(
+    ADMW_DEVICE_HANDLE hDevice,
+    ADMW1001_VREF_BUFFER_MODE extVrefBufferMode)
+{
+    ADMW_CORE_EXT_VBUFF_t VrefBuffReg = { 0 };
+
+    if (extVrefBufferMode == ADMW1001_VREF_BUFF_MODE_DISABLE_BOTH)
+    {
+        VrefBuffReg.EXT_VBUFF = CORE_EXT_VBUFF_BOTH_INACTIVE_MODE;
+    }
+    else if (extVrefBufferMode == ADMW1001_VREF_BUFF_MODE_ONLY_POS)
+    {
+        VrefBuffReg.EXT_VBUFF = CORE_EXT_VBUFF_ONLY_VPOS_MODE;
+    }
+    else if (extVrefBufferMode == ADMW1001_VREF_BUFF_MODE_ENABLE_BOTH)
+    {
+        VrefBuffReg.EXT_VBUFF = CORE_EXT_VBUFF_BOTH_ACTIVE_MODE;
+    }
+    else
+    {
+        ADMW_LOG_ERROR("Unsupported Ext Vref Buffer mode %d specified", extVrefBufferMode);
+        return ADMW_INVALID_PARAM;
+    }
+
+    WRITE_REG_U8(hDevice, VrefBuffReg.VALUE8, CORE_EXT_VBUFF);
+
+    return ADMW_SUCCESS;
+
+}
+
 ADMW_RESULT admw1001_SetMeasurementConfig(
     ADMW_DEVICE_HANDLE hDevice,
     ADMW1001_MEASUREMENT_CONFIG *pMeasConfig)
@@ -1127,6 +1157,12 @@
         ADMW_LOG_ERROR("Failed to set External reference Voltage");
         return eRet;
     }
+    eRet = admw_SetExtVrefBufferMode(hDevice, (ADMW1001_VREF_BUFFER_MODE)pMeasConfig->extVrefBuffMode);
+    if (eRet != ADMW_SUCCESS)
+    {
+        ADMW_LOG_ERROR("Failed to set External Vref Buffer Mode");
+        return eRet;
+    }
 
     return ADMW_SUCCESS;
 }