added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

Revision:
144:ef7eb2e8f9f7
Parent:
50:a417edff4437
--- a/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/emlib/src/em_idac.c	Tue Aug 02 14:07:36 2016 +0000
+++ b/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/emlib/src/em_idac.c	Fri Sep 02 15:07:44 2016 +0100
@@ -1,372 +1,372 @@
-/***************************************************************************//**
- * @file em_idac.c
- * @brief Current Digital to Analog Converter (IDAC) peripheral API
- * @version 4.2.1
- *******************************************************************************
- * @section License
- * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
- *******************************************************************************
- *
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- *
- * 1. The origin of this software must not be misrepresented; you must not
- *    claim that you wrote the original software.
- * 2. Altered source versions must be plainly marked as such, and must not be
- *    misrepresented as being the original software.
- * 3. This notice may not be removed or altered from any source distribution.
- *
- * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
- * obligation to support this Software. Silicon Labs is providing the
- * Software "AS IS", with no express or implied warranties of any kind,
- * including, but not limited to, any implied warranties of merchantability
- * or fitness for any particular purpose or warranties against infringement
- * of any proprietary rights of a third party.
- *
- * Silicon Labs will not be liable for any consequential, incidental, or
- * special damages, or any other relief, or for any claim by any third party,
- * arising from your use of this Software.
- *
- ******************************************************************************/
-
-#include "em_idac.h"
-#if defined(IDAC_COUNT) && (IDAC_COUNT > 0)
-#include "em_cmu.h"
-#include "em_assert.h"
-#include "em_bus.h"
-
-/***************************************************************************//**
- * @addtogroup EM_Library
- * @{
- ******************************************************************************/
-
-/***************************************************************************//**
- * @addtogroup IDAC
- * @brief Current Digital to Analog Conversion (IDAC) Peripheral API
- * @{
- ******************************************************************************/
-
-/** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
-/* Fix for errata IDAC_E101 - IDAC output current degradation */
-#if defined(_EFM32_ZERO_FAMILY) || defined(_EFM32_HAPPY_FAMILY)
-#define ERRATA_FIX_IDAC_E101_EN
-#endif
-/** @endcond */
-
-/*******************************************************************************
- **************************   GLOBAL FUNCTIONS   *******************************
- ******************************************************************************/
-/***************************************************************************//**
- * @brief
- *   Initialize IDAC.
- *
- * @details
- *   Initializes IDAC according to the initialization structure parameter, and
- *   sets the default calibration value stored in the DEVINFO structure.
- *
- * @note
- *   This function will disable the IDAC prior to configuration.
- *
- * @param[in] idac
- *   Pointer to IDAC peripheral register block.
- *
- * @param[in] init
- *   Pointer to IDAC initialization structure.
- ******************************************************************************/
-void IDAC_Init(IDAC_TypeDef *idac, const IDAC_Init_TypeDef *init)
-{
-  uint32_t tmp;
-
-  EFM_ASSERT(IDAC_REF_VALID(idac));
-
-  tmp = (uint32_t)(init->prsSel);
-
-  tmp |= init->outMode;
-
-  if (init->enable)
-  {
-    tmp |= IDAC_CTRL_EN;
-  }
-  if (init->prsEnable)
-  {
-    tmp |= IDAC_CTRL_OUTENPRS;
-  }
-  if (init->sinkEnable)
-  {
-    tmp |= IDAC_CTRL_CURSINK;
-  }
-
-  idac->CTRL = tmp;
-}
-
-
-/***************************************************************************//**
- * @brief
- *   Enable/disable IDAC.
- *
- * @param[in] idac
- *   Pointer to IDAC peripheral register block.
- *
- * @param[in] enable
- *   true to enable IDAC, false to disable.
- ******************************************************************************/
-void IDAC_Enable(IDAC_TypeDef *idac, bool enable)
-{
-  volatile uint32_t *reg;
-
-  EFM_ASSERT(IDAC_REF_VALID(idac));
-
-  reg = &(idac->CTRL);
-
-  BUS_RegBitWrite(reg, _IDAC_CTRL_EN_SHIFT, enable);
-}
-
-
-/***************************************************************************//**
- * @brief
- *   Reset IDAC to same state as after a HW reset.
- *
- * @param[in] idac
- *   Pointer to IDAC peripheral register block.
- ******************************************************************************/
-void IDAC_Reset(IDAC_TypeDef *idac)
-{
-  EFM_ASSERT(IDAC_REF_VALID(idac));
-
-#if defined(ERRATA_FIX_IDAC_E101_EN)
-  /* Fix for errata IDAC_E101 - IDAC output current degradation:
-     Instead of disabling it we will put it in it's lowest power state (50 nA)
-     to avoid degradation over time */
-
-  /* Make sure IDAC is enabled with disabled output */
-  idac->CTRL = _IDAC_CTRL_RESETVALUE | IDAC_CTRL_EN;
-
-  /* Set lowest current (50 nA) */
-  idac->CURPROG = IDAC_CURPROG_RANGESEL_RANGE0 |
-                  (0x0 << _IDAC_CURPROG_STEPSEL_SHIFT);
-
-  /* Enable duty-cycling for all energy modes */
-  idac->DUTYCONFIG = IDAC_DUTYCONFIG_DUTYCYCLEEN;
-#else
-  idac->CTRL       = _IDAC_CTRL_RESETVALUE;
-  idac->CURPROG    = _IDAC_CURPROG_RESETVALUE;
-  idac->DUTYCONFIG = _IDAC_DUTYCONFIG_RESETVALUE;
-#endif
-#if defined ( _IDAC_CAL_MASK )
-  idac->CAL        = _IDAC_CAL_RESETVALUE;
-#endif
-}
-
-
-/***************************************************************************//**
- * @brief
- *   Enable/disable Minimal Output Transition mode.
- *
- * @param[in] idac
- *   Pointer to IDAC peripheral register block.
- *
- * @param[in] enable
- *   true to enable Minimal Output Transition mode, false to disable.
- ******************************************************************************/
-void IDAC_MinimalOutputTransitionMode(IDAC_TypeDef *idac, bool enable)
-{
-  volatile uint32_t *reg;
-
-  EFM_ASSERT(IDAC_REF_VALID(idac));
-
-  reg = &(idac->CTRL);
-
-  BUS_RegBitWrite(reg, _IDAC_CTRL_MINOUTTRANS_SHIFT, enable);
-}
-
-
-/***************************************************************************//**
- * @brief
- *   Set the current range of the IDAC output.
- *
- * @details
- *   This function sets the current range of the IDAC output. The function
- *   also updates the IDAC calibration register (IDAC_CAL) with the default
- *   calibration value (from DEVINFO, factory setting) corresponding to the
- *   specified range.
- *
- * @param[in] idac
- *   Pointer to IDAC peripheral register block.
- *
- * @param[in] range
- *   Current range value.
- ******************************************************************************/
-void IDAC_RangeSet(IDAC_TypeDef *idac, const IDAC_Range_TypeDef range)
-{
-  uint32_t tmp;
-#if defined( _IDAC_CURPROG_TUNING_MASK )
-  uint32_t diCal0;
-  uint32_t diCal1;
-#endif
-
-  EFM_ASSERT(IDAC_REF_VALID(idac));
-  EFM_ASSERT(((uint32_t)range >> _IDAC_CURPROG_RANGESEL_SHIFT)
-             <= (_IDAC_CURPROG_RANGESEL_MASK >> _IDAC_CURPROG_RANGESEL_SHIFT));
-
-#if defined ( _IDAC_CAL_MASK )
-
-  /* Load proper calibration data depending on selected range */
-  switch ((IDAC_Range_TypeDef)range)
-  {
-    case idacCurrentRange0:
-      idac->CAL = (DEVINFO->IDAC0CAL0 & _DEVINFO_IDAC0CAL0_RANGE0_MASK)
-                  >> _DEVINFO_IDAC0CAL0_RANGE0_SHIFT;
-      break;
-    case idacCurrentRange1:
-      idac->CAL = (DEVINFO->IDAC0CAL0 & _DEVINFO_IDAC0CAL0_RANGE1_MASK)
-                  >> _DEVINFO_IDAC0CAL0_RANGE1_SHIFT;
-      break;
-    case idacCurrentRange2:
-      idac->CAL = (DEVINFO->IDAC0CAL0 & _DEVINFO_IDAC0CAL0_RANGE2_MASK)
-                  >> _DEVINFO_IDAC0CAL0_RANGE2_SHIFT;
-      break;
-    case idacCurrentRange3:
-      idac->CAL = (DEVINFO->IDAC0CAL0 & _DEVINFO_IDAC0CAL0_RANGE3_MASK)
-                  >> _DEVINFO_IDAC0CAL0_RANGE3_SHIFT;
-      break;
-  }
-
-  tmp  = idac->CURPROG & ~_IDAC_CURPROG_RANGESEL_MASK;
-  tmp |= (uint32_t)range;
-
-#elif defined( _IDAC_CURPROG_TUNING_MASK )
-
-  /* Load calibration data depending on selected range and sink/source mode */
-  /* TUNING (calibration) field in CURPROG register. */
-  if (idac == IDAC0)
-  {
-    diCal0 = DEVINFO->IDAC0CAL0;
-    diCal1 = DEVINFO->IDAC0CAL1;
-  }
-  else
-  {
-    EFM_ASSERT(false);
-  }
-
-  tmp = idac->CURPROG & ~(_IDAC_CURPROG_TUNING_MASK
-                          | _IDAC_CURPROG_RANGESEL_MASK);
-  if (idac->CTRL & IDAC_CTRL_CURSINK)
-  {
-    switch (range)
-    {
-      case idacCurrentRange0:
-        tmp |= ((diCal1 & _DEVINFO_IDAC0CAL1_SINKRANGE0TUNING_MASK)
-                >> _DEVINFO_IDAC0CAL1_SINKRANGE0TUNING_SHIFT)
-               << _IDAC_CURPROG_TUNING_SHIFT;
-        break;
-
-      case idacCurrentRange1:
-        tmp |= ((diCal1 & _DEVINFO_IDAC0CAL1_SINKRANGE1TUNING_MASK)
-                >> _DEVINFO_IDAC0CAL1_SINKRANGE1TUNING_SHIFT)
-               << _IDAC_CURPROG_TUNING_SHIFT;
-        break;
-
-      case idacCurrentRange2:
-        tmp |= ((diCal1 & _DEVINFO_IDAC0CAL1_SINKRANGE2TUNING_MASK)
-                >> _DEVINFO_IDAC0CAL1_SINKRANGE2TUNING_SHIFT)
-               << _IDAC_CURPROG_TUNING_SHIFT;
-        break;
-
-      case idacCurrentRange3:
-        tmp |= ((diCal1 & _DEVINFO_IDAC0CAL1_SINKRANGE3TUNING_MASK)
-                >> _DEVINFO_IDAC0CAL1_SINKRANGE3TUNING_SHIFT)
-               << _IDAC_CURPROG_TUNING_SHIFT;
-        break;
-    }
-  }
-  else
-  {
-    switch (range)
-    {
-      case idacCurrentRange0:
-        tmp |= ((diCal0 & _DEVINFO_IDAC0CAL0_SOURCERANGE0TUNING_MASK)
-                >> _DEVINFO_IDAC0CAL0_SOURCERANGE0TUNING_SHIFT)
-               << _IDAC_CURPROG_TUNING_SHIFT;
-        break;
-
-      case idacCurrentRange1:
-        tmp |= ((diCal0 & _DEVINFO_IDAC0CAL0_SOURCERANGE1TUNING_MASK)
-                >> _DEVINFO_IDAC0CAL0_SOURCERANGE1TUNING_SHIFT)
-               << _IDAC_CURPROG_TUNING_SHIFT;
-        break;
-
-      case idacCurrentRange2:
-        tmp |= ((diCal0 & _DEVINFO_IDAC0CAL0_SOURCERANGE2TUNING_MASK)
-                >> _DEVINFO_IDAC0CAL0_SOURCERANGE2TUNING_SHIFT)
-               << _IDAC_CURPROG_TUNING_SHIFT;
-        break;
-
-      case idacCurrentRange3:
-        tmp |= ((diCal0 & _DEVINFO_IDAC0CAL0_SOURCERANGE3TUNING_MASK)
-                >> _DEVINFO_IDAC0CAL0_SOURCERANGE3TUNING_SHIFT)
-               << _IDAC_CURPROG_TUNING_SHIFT;
-        break;
-    }
-  }
-
-  tmp |= (uint32_t)range;
-
-#else
-#warning "IDAC calibration register definition unknown."
-#endif
-
-  idac->CURPROG = tmp;
-}
-
-
-/***************************************************************************//**
- * @brief
- *   Set the current step of the IDAC output.
- *
- * @param[in] idac
- *   Pointer to IDAC peripheral register block.
- *
- * @param[in] step
- *   Step value for IDAC output. Valid range is 0-31.
- ******************************************************************************/
-void IDAC_StepSet(IDAC_TypeDef *idac, const uint32_t step)
-{
-  uint32_t tmp;
-
-  EFM_ASSERT(IDAC_REF_VALID(idac));
-  EFM_ASSERT(step <= (_IDAC_CURPROG_STEPSEL_MASK >> _IDAC_CURPROG_STEPSEL_SHIFT));
-
-  tmp  = idac->CURPROG & ~_IDAC_CURPROG_STEPSEL_MASK;
-  tmp |= step << _IDAC_CURPROG_STEPSEL_SHIFT;
-
-  idac->CURPROG = tmp;
-}
-
-
-/***************************************************************************//**
- * @brief
- *   Enable/disable the IDAC OUT pin.
- *
- * @param[in] idac
- *   Pointer to IDAC peripheral register block.
- *
- * @param[in] enable
- *   true to enable the IDAC OUT pin, false to disable.
- ******************************************************************************/
-void IDAC_OutEnable(IDAC_TypeDef *idac, bool enable)
-{
-  volatile uint32_t *reg;
-
-  EFM_ASSERT(IDAC_REF_VALID(idac));
-
-  reg = &(idac->CTRL);
-
-  BUS_RegBitWrite(reg, _IDAC_CTRL_OUTEN_SHIFT, enable);
-}
-
-
-/** @} (end addtogroup IDAC) */
-/** @} (end addtogroup EM_Library) */
-
-#endif /* defined(IDAC_COUNT) && (IDAC_COUNT > 0) */
+/***************************************************************************//**
+ * @file em_idac.c
+ * @brief Current Digital to Analog Converter (IDAC) peripheral API
+ * @version 4.2.1
+ *******************************************************************************
+ * @section License
+ * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
+ *******************************************************************************
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ *
+ * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
+ * obligation to support this Software. Silicon Labs is providing the
+ * Software "AS IS", with no express or implied warranties of any kind,
+ * including, but not limited to, any implied warranties of merchantability
+ * or fitness for any particular purpose or warranties against infringement
+ * of any proprietary rights of a third party.
+ *
+ * Silicon Labs will not be liable for any consequential, incidental, or
+ * special damages, or any other relief, or for any claim by any third party,
+ * arising from your use of this Software.
+ *
+ ******************************************************************************/
+
+#include "em_idac.h"
+#if defined(IDAC_COUNT) && (IDAC_COUNT > 0)
+#include "em_cmu.h"
+#include "em_assert.h"
+#include "em_bus.h"
+
+/***************************************************************************//**
+ * @addtogroup EM_Library
+ * @{
+ ******************************************************************************/
+
+/***************************************************************************//**
+ * @addtogroup IDAC
+ * @brief Current Digital to Analog Conversion (IDAC) Peripheral API
+ * @{
+ ******************************************************************************/
+
+/** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
+/* Fix for errata IDAC_E101 - IDAC output current degradation */
+#if defined(_EFM32_ZERO_FAMILY) || defined(_EFM32_HAPPY_FAMILY)
+#define ERRATA_FIX_IDAC_E101_EN
+#endif
+/** @endcond */
+
+/*******************************************************************************
+ **************************   GLOBAL FUNCTIONS   *******************************
+ ******************************************************************************/
+/***************************************************************************//**
+ * @brief
+ *   Initialize IDAC.
+ *
+ * @details
+ *   Initializes IDAC according to the initialization structure parameter, and
+ *   sets the default calibration value stored in the DEVINFO structure.
+ *
+ * @note
+ *   This function will disable the IDAC prior to configuration.
+ *
+ * @param[in] idac
+ *   Pointer to IDAC peripheral register block.
+ *
+ * @param[in] init
+ *   Pointer to IDAC initialization structure.
+ ******************************************************************************/
+void IDAC_Init(IDAC_TypeDef *idac, const IDAC_Init_TypeDef *init)
+{
+  uint32_t tmp;
+
+  EFM_ASSERT(IDAC_REF_VALID(idac));
+
+  tmp = (uint32_t)(init->prsSel);
+
+  tmp |= init->outMode;
+
+  if (init->enable)
+  {
+    tmp |= IDAC_CTRL_EN;
+  }
+  if (init->prsEnable)
+  {
+    tmp |= IDAC_CTRL_OUTENPRS;
+  }
+  if (init->sinkEnable)
+  {
+    tmp |= IDAC_CTRL_CURSINK;
+  }
+
+  idac->CTRL = tmp;
+}
+
+
+/***************************************************************************//**
+ * @brief
+ *   Enable/disable IDAC.
+ *
+ * @param[in] idac
+ *   Pointer to IDAC peripheral register block.
+ *
+ * @param[in] enable
+ *   true to enable IDAC, false to disable.
+ ******************************************************************************/
+void IDAC_Enable(IDAC_TypeDef *idac, bool enable)
+{
+  volatile uint32_t *reg;
+
+  EFM_ASSERT(IDAC_REF_VALID(idac));
+
+  reg = &(idac->CTRL);
+
+  BUS_RegBitWrite(reg, _IDAC_CTRL_EN_SHIFT, enable);
+}
+
+
+/***************************************************************************//**
+ * @brief
+ *   Reset IDAC to same state as after a HW reset.
+ *
+ * @param[in] idac
+ *   Pointer to IDAC peripheral register block.
+ ******************************************************************************/
+void IDAC_Reset(IDAC_TypeDef *idac)
+{
+  EFM_ASSERT(IDAC_REF_VALID(idac));
+
+#if defined(ERRATA_FIX_IDAC_E101_EN)
+  /* Fix for errata IDAC_E101 - IDAC output current degradation:
+     Instead of disabling it we will put it in it's lowest power state (50 nA)
+     to avoid degradation over time */
+
+  /* Make sure IDAC is enabled with disabled output */
+  idac->CTRL = _IDAC_CTRL_RESETVALUE | IDAC_CTRL_EN;
+
+  /* Set lowest current (50 nA) */
+  idac->CURPROG = IDAC_CURPROG_RANGESEL_RANGE0 |
+                  (0x0 << _IDAC_CURPROG_STEPSEL_SHIFT);
+
+  /* Enable duty-cycling for all energy modes */
+  idac->DUTYCONFIG = IDAC_DUTYCONFIG_DUTYCYCLEEN;
+#else
+  idac->CTRL       = _IDAC_CTRL_RESETVALUE;
+  idac->CURPROG    = _IDAC_CURPROG_RESETVALUE;
+  idac->DUTYCONFIG = _IDAC_DUTYCONFIG_RESETVALUE;
+#endif
+#if defined ( _IDAC_CAL_MASK )
+  idac->CAL        = _IDAC_CAL_RESETVALUE;
+#endif
+}
+
+
+/***************************************************************************//**
+ * @brief
+ *   Enable/disable Minimal Output Transition mode.
+ *
+ * @param[in] idac
+ *   Pointer to IDAC peripheral register block.
+ *
+ * @param[in] enable
+ *   true to enable Minimal Output Transition mode, false to disable.
+ ******************************************************************************/
+void IDAC_MinimalOutputTransitionMode(IDAC_TypeDef *idac, bool enable)
+{
+  volatile uint32_t *reg;
+
+  EFM_ASSERT(IDAC_REF_VALID(idac));
+
+  reg = &(idac->CTRL);
+
+  BUS_RegBitWrite(reg, _IDAC_CTRL_MINOUTTRANS_SHIFT, enable);
+}
+
+
+/***************************************************************************//**
+ * @brief
+ *   Set the current range of the IDAC output.
+ *
+ * @details
+ *   This function sets the current range of the IDAC output. The function
+ *   also updates the IDAC calibration register (IDAC_CAL) with the default
+ *   calibration value (from DEVINFO, factory setting) corresponding to the
+ *   specified range.
+ *
+ * @param[in] idac
+ *   Pointer to IDAC peripheral register block.
+ *
+ * @param[in] range
+ *   Current range value.
+ ******************************************************************************/
+void IDAC_RangeSet(IDAC_TypeDef *idac, const IDAC_Range_TypeDef range)
+{
+  uint32_t tmp;
+#if defined( _IDAC_CURPROG_TUNING_MASK )
+  uint32_t diCal0;
+  uint32_t diCal1;
+#endif
+
+  EFM_ASSERT(IDAC_REF_VALID(idac));
+  EFM_ASSERT(((uint32_t)range >> _IDAC_CURPROG_RANGESEL_SHIFT)
+             <= (_IDAC_CURPROG_RANGESEL_MASK >> _IDAC_CURPROG_RANGESEL_SHIFT));
+
+#if defined ( _IDAC_CAL_MASK )
+
+  /* Load proper calibration data depending on selected range */
+  switch ((IDAC_Range_TypeDef)range)
+  {
+    case idacCurrentRange0:
+      idac->CAL = (DEVINFO->IDAC0CAL0 & _DEVINFO_IDAC0CAL0_RANGE0_MASK)
+                  >> _DEVINFO_IDAC0CAL0_RANGE0_SHIFT;
+      break;
+    case idacCurrentRange1:
+      idac->CAL = (DEVINFO->IDAC0CAL0 & _DEVINFO_IDAC0CAL0_RANGE1_MASK)
+                  >> _DEVINFO_IDAC0CAL0_RANGE1_SHIFT;
+      break;
+    case idacCurrentRange2:
+      idac->CAL = (DEVINFO->IDAC0CAL0 & _DEVINFO_IDAC0CAL0_RANGE2_MASK)
+                  >> _DEVINFO_IDAC0CAL0_RANGE2_SHIFT;
+      break;
+    case idacCurrentRange3:
+      idac->CAL = (DEVINFO->IDAC0CAL0 & _DEVINFO_IDAC0CAL0_RANGE3_MASK)
+                  >> _DEVINFO_IDAC0CAL0_RANGE3_SHIFT;
+      break;
+  }
+
+  tmp  = idac->CURPROG & ~_IDAC_CURPROG_RANGESEL_MASK;
+  tmp |= (uint32_t)range;
+
+#elif defined( _IDAC_CURPROG_TUNING_MASK )
+
+  /* Load calibration data depending on selected range and sink/source mode */
+  /* TUNING (calibration) field in CURPROG register. */
+  if (idac == IDAC0)
+  {
+    diCal0 = DEVINFO->IDAC0CAL0;
+    diCal1 = DEVINFO->IDAC0CAL1;
+  }
+  else
+  {
+    EFM_ASSERT(false);
+  }
+
+  tmp = idac->CURPROG & ~(_IDAC_CURPROG_TUNING_MASK
+                          | _IDAC_CURPROG_RANGESEL_MASK);
+  if (idac->CTRL & IDAC_CTRL_CURSINK)
+  {
+    switch (range)
+    {
+      case idacCurrentRange0:
+        tmp |= ((diCal1 & _DEVINFO_IDAC0CAL1_SINKRANGE0TUNING_MASK)
+                >> _DEVINFO_IDAC0CAL1_SINKRANGE0TUNING_SHIFT)
+               << _IDAC_CURPROG_TUNING_SHIFT;
+        break;
+
+      case idacCurrentRange1:
+        tmp |= ((diCal1 & _DEVINFO_IDAC0CAL1_SINKRANGE1TUNING_MASK)
+                >> _DEVINFO_IDAC0CAL1_SINKRANGE1TUNING_SHIFT)
+               << _IDAC_CURPROG_TUNING_SHIFT;
+        break;
+
+      case idacCurrentRange2:
+        tmp |= ((diCal1 & _DEVINFO_IDAC0CAL1_SINKRANGE2TUNING_MASK)
+                >> _DEVINFO_IDAC0CAL1_SINKRANGE2TUNING_SHIFT)
+               << _IDAC_CURPROG_TUNING_SHIFT;
+        break;
+
+      case idacCurrentRange3:
+        tmp |= ((diCal1 & _DEVINFO_IDAC0CAL1_SINKRANGE3TUNING_MASK)
+                >> _DEVINFO_IDAC0CAL1_SINKRANGE3TUNING_SHIFT)
+               << _IDAC_CURPROG_TUNING_SHIFT;
+        break;
+    }
+  }
+  else
+  {
+    switch (range)
+    {
+      case idacCurrentRange0:
+        tmp |= ((diCal0 & _DEVINFO_IDAC0CAL0_SOURCERANGE0TUNING_MASK)
+                >> _DEVINFO_IDAC0CAL0_SOURCERANGE0TUNING_SHIFT)
+               << _IDAC_CURPROG_TUNING_SHIFT;
+        break;
+
+      case idacCurrentRange1:
+        tmp |= ((diCal0 & _DEVINFO_IDAC0CAL0_SOURCERANGE1TUNING_MASK)
+                >> _DEVINFO_IDAC0CAL0_SOURCERANGE1TUNING_SHIFT)
+               << _IDAC_CURPROG_TUNING_SHIFT;
+        break;
+
+      case idacCurrentRange2:
+        tmp |= ((diCal0 & _DEVINFO_IDAC0CAL0_SOURCERANGE2TUNING_MASK)
+                >> _DEVINFO_IDAC0CAL0_SOURCERANGE2TUNING_SHIFT)
+               << _IDAC_CURPROG_TUNING_SHIFT;
+        break;
+
+      case idacCurrentRange3:
+        tmp |= ((diCal0 & _DEVINFO_IDAC0CAL0_SOURCERANGE3TUNING_MASK)
+                >> _DEVINFO_IDAC0CAL0_SOURCERANGE3TUNING_SHIFT)
+               << _IDAC_CURPROG_TUNING_SHIFT;
+        break;
+    }
+  }
+
+  tmp |= (uint32_t)range;
+
+#else
+#warning "IDAC calibration register definition unknown."
+#endif
+
+  idac->CURPROG = tmp;
+}
+
+
+/***************************************************************************//**
+ * @brief
+ *   Set the current step of the IDAC output.
+ *
+ * @param[in] idac
+ *   Pointer to IDAC peripheral register block.
+ *
+ * @param[in] step
+ *   Step value for IDAC output. Valid range is 0-31.
+ ******************************************************************************/
+void IDAC_StepSet(IDAC_TypeDef *idac, const uint32_t step)
+{
+  uint32_t tmp;
+
+  EFM_ASSERT(IDAC_REF_VALID(idac));
+  EFM_ASSERT(step <= (_IDAC_CURPROG_STEPSEL_MASK >> _IDAC_CURPROG_STEPSEL_SHIFT));
+
+  tmp  = idac->CURPROG & ~_IDAC_CURPROG_STEPSEL_MASK;
+  tmp |= step << _IDAC_CURPROG_STEPSEL_SHIFT;
+
+  idac->CURPROG = tmp;
+}
+
+
+/***************************************************************************//**
+ * @brief
+ *   Enable/disable the IDAC OUT pin.
+ *
+ * @param[in] idac
+ *   Pointer to IDAC peripheral register block.
+ *
+ * @param[in] enable
+ *   true to enable the IDAC OUT pin, false to disable.
+ ******************************************************************************/
+void IDAC_OutEnable(IDAC_TypeDef *idac, bool enable)
+{
+  volatile uint32_t *reg;
+
+  EFM_ASSERT(IDAC_REF_VALID(idac));
+
+  reg = &(idac->CTRL);
+
+  BUS_RegBitWrite(reg, _IDAC_CTRL_OUTEN_SHIFT, enable);
+}
+
+
+/** @} (end addtogroup IDAC) */
+/** @} (end addtogroup EM_Library) */
+
+#endif /* defined(IDAC_COUNT) && (IDAC_COUNT > 0) */