tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/hal/dac/fsl_dac_hal.c

   1 /*
   2  * Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without modification,
   6  * are permitted provided that the following conditions are met:
   7  *
   8  * o Redistributions of source code must retain the above copyright notice, this list
   9  *   of conditions and the following disclaimer.
  10  *
  11  * o Redistributions in binary form must reproduce the above copyright notice, this
  12  *   list of conditions and the following disclaimer in the documentation and/or
  13  *   other materials provided with the distribution.
  14  *
  15  * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
  16  *   contributors may be used to endorse or promote products derived from this
  17  *   software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  22  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
  23  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  26  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "fsl_dac_hal.h"
  32
  33 /*FUNCTION*********************************************************************
  34  *
  35  * Function Name : DAC_HAL_Init
  36  * Description   : Reset all the configurable registers to be reset state for DAC.
  37  * It should be called before configuring the DAC module.
  38  *
  39  *END*************************************************************************/
  40 void DAC_HAL_Init(uint32_t baseAddr)
  41 {
  42     /* DACx_DATL and DACx_DATH */
  43     HW_DAC_DATnL_WR(baseAddr, 0U, 0U); HW_DAC_DATnH_WR(baseAddr, 0U, 0U);
  44     HW_DAC_DATnL_WR(baseAddr, 1U, 0U); HW_DAC_DATnH_WR(baseAddr, 1U, 0U);
  45 #if (HW_DAC_DATnL_COUNT > 2U)
  46     HW_DAC_DATnL_WR(baseAddr, 2U, 0U); HW_DAC_DATnH_WR(baseAddr, 2U, 0U);
  47     HW_DAC_DATnL_WR(baseAddr, 3U, 0U); HW_DAC_DATnH_WR(baseAddr, 3U, 0U);
  48     HW_DAC_DATnL_WR(baseAddr, 4U, 0U); HW_DAC_DATnH_WR(baseAddr, 4U, 0U);
  49     HW_DAC_DATnL_WR(baseAddr, 5U, 0U); HW_DAC_DATnH_WR(baseAddr, 5U, 0U);
  50     HW_DAC_DATnL_WR(baseAddr, 6U, 0U); HW_DAC_DATnH_WR(baseAddr, 6U, 0U);
  51     HW_DAC_DATnL_WR(baseAddr, 7U, 0U); HW_DAC_DATnH_WR(baseAddr, 7U, 0U);
  52     HW_DAC_DATnL_WR(baseAddr, 8U, 0U); HW_DAC_DATnH_WR(baseAddr, 8U, 0U);
  53     HW_DAC_DATnL_WR(baseAddr, 9U, 0U); HW_DAC_DATnH_WR(baseAddr, 9U, 0U);
  54     HW_DAC_DATnL_WR(baseAddr, 10U, 0U); HW_DAC_DATnH_WR(baseAddr, 10U, 0U);
  55     HW_DAC_DATnL_WR(baseAddr, 11U, 0U); HW_DAC_DATnH_WR(baseAddr, 11U, 0U);
  56     HW_DAC_DATnL_WR(baseAddr, 12U, 0U); HW_DAC_DATnH_WR(baseAddr, 12U, 0U);
  57     HW_DAC_DATnL_WR(baseAddr, 13U, 0U); HW_DAC_DATnH_WR(baseAddr, 13U, 0U);
  58     HW_DAC_DATnL_WR(baseAddr, 14U, 0U); HW_DAC_DATnH_WR(baseAddr, 14U, 0U);
  59     HW_DAC_DATnL_WR(baseAddr, 15U, 0U); HW_DAC_DATnH_WR(baseAddr, 15U, 0U);
  60 #endif /* HW_DAC_DATnL_COUNT */
  61     /* DACx_SR. */
  62     HW_DAC_SR_WR(baseAddr, 0U); /* Clear all flags. */
  63     /* DACx_C0. */
  64     HW_DAC_C0_WR(baseAddr, 0U);
  65     /* DACx_C1. */
  66     HW_DAC_C1_WR(baseAddr, 0U);
  67     /* DACx_C2. */
  68     HW_DAC_C2_WR(baseAddr, 15U);
  69 }
  70
  71 /*FUNCTION*********************************************************************
  72  *
  73  * Function Name : DAC_HAL_SetBuffValue
  74  * Description   : Set the value assembled by the low 8 bits and high 4
  75  * bits of 12-bit DAC item in buffer.
  76  *
  77  *END*************************************************************************/
  78 void DAC_HAL_SetBuffValue(uint32_t baseAddr, uint8_t index, uint16_t value)
  79 {
  80     assert(index < HW_DAC_DATnL_COUNT);
  81     BW_DAC_DATnL_DATA0(baseAddr, index, (uint8_t)(0xFFU & value) );
  82     BW_DAC_DATnH_DATA1(baseAddr, index, (uint8_t)((0xF00U & value)>>8U) );
  83 }
  84
  85 /*FUNCTION*********************************************************************
  86  *
  87  * Function Name : DAC_HAL_GetBuffValue
  88  * Description   : Get the value assembled by the low 8 bits and high 4
  89  * bits of 12-bit DAC item in buffer.
  90  *
  91  *END*************************************************************************/
  92 uint16_t DAC_HAL_GetBuffValue(uint32_t baseAddr, uint8_t index)
  93 {
  94     assert(index < HW_DAC_DATnL_COUNT);
  95     uint16_t ret16;
  96     ret16 = BR_DAC_DATnH_DATA1(baseAddr, index);
  97     ret16 <<= 8U;
  98     ret16 |= BR_DAC_DATnL_DATA0(baseAddr, index);
  99     return ret16;
 100 }
 101
 102 /******************************************************************************
 103  * EOF
 104  *****************************************************************************/
 105