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Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/hal/adc/fsl_adc_hal.c')
| -rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/hal/adc/fsl_adc_hal.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/hal/adc/fsl_adc_hal.c b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/hal/adc/fsl_adc_hal.c new file mode 100644 index 0000000000..d41a71e780 --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/hal/adc/fsl_adc_hal.c @@ -0,0 +1,152 @@ +/* + * Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * o Redistributions of source code must retain the above copyright notice, this list + * of conditions and the following disclaimer. + * + * o Redistributions in binary form must reproduce the above copyright notice, this + * list of conditions and the following disclaimer in the documentation and/or + * other materials provided with the distribution. + * + * o Neither the name of Freescale Semiconductor, Inc. nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "fsl_adc_hal.h" + +/*FUNCTION********************************************************************* + * + * Function Name : ADC_HAL_Init + * Description :Reset all the registers into a known state for ADC + * module. This known state is the default value indicated by the Reference + * manual. It is strongly recommended to call this API before any operations + * when initializing the ADC module. Note registers for calibration would not + * be cleared in this function. + * + *END*************************************************************************/ +void ADC_HAL_Init(uint32_t baseAddr) +{ + HW_ADC_CFG1_WR(baseAddr, 0U); + HW_ADC_CFG2_WR(baseAddr, 0U); + HW_ADC_CV1_WR(baseAddr, 0U); + HW_ADC_CV2_WR(baseAddr, 0U); + HW_ADC_SC2_WR(baseAddr, 0U); + HW_ADC_SC3_WR(baseAddr, 0U); +#if FSL_FEATURE_ADC_HAS_PGA + HW_ADC_PGA_WR(baseAddr, 0U); +#endif /* FSL_FEATURE_ADC_HAS_PGA */ +} + +/*FUNCTION********************************************************************* + * + * Function Name : ADC_HAL_SetHwCmpMode + * Description :Set the asserted compare range when enabling hardware + * compare function. About the selection of range mode, see to the description + * for "adc_hw_cmp_range_mode_t". + * + *END*************************************************************************/ +void ADC_HAL_SetHwCmpMode(uint32_t baseAddr, adc_hw_cmp_range_mode_t mode) +{ + switch (mode) + { + case kAdcHwCmpRangeModeOf1: + ADC_HAL_SetHwCmpGreaterCmd(baseAddr, false); + ADC_HAL_SetHwCmpRangeCmd(baseAddr, false); + break; + case kAdcHwCmpRangeModeOf2: + ADC_HAL_SetHwCmpGreaterCmd(baseAddr, true); + ADC_HAL_SetHwCmpRangeCmd(baseAddr, false); + break; + case kAdcHwCmpRangeModeOf3: + ADC_HAL_SetHwCmpGreaterCmd(baseAddr, false); + ADC_HAL_SetHwCmpRangeCmd(baseAddr, true); + break; + case kAdcHwCmpRangeModeOf4: + ADC_HAL_SetHwCmpGreaterCmd(baseAddr, true); + ADC_HAL_SetHwCmpRangeCmd(baseAddr, true); + break; + default: + break; + } +} + +#if FSL_FEATURE_ADC_HAS_CALIBRATION + +/*FUNCTION********************************************************************* + * + * Function Name : ADC_HAL_GetAutoPlusSideGainValue + * Description : Get the values of CLP0 - CLP4 and CLPS internally, + * accumulate them, and return the value that can be used to be set in PG + * register directly. Note that this API should be called after the process of + * auto calibration has been done. + * + *END*************************************************************************/ +uint16_t ADC_HAL_GetAutoPlusSideGainValue(uint32_t baseAddr) +{ + uint16_t cal_var; + + /* Calculate plus-side calibration */ + cal_var = 0U; + cal_var += BR_ADC_CLP0_CLP0(baseAddr); + cal_var += BR_ADC_CLP1_CLP1(baseAddr); + cal_var += BR_ADC_CLP2_CLP2(baseAddr); + cal_var += BR_ADC_CLP3_CLP3(baseAddr); + cal_var += BR_ADC_CLP4_CLP4(baseAddr); + cal_var += BR_ADC_CLPS_CLPS(baseAddr); + cal_var = 0x8000U | (cal_var>>1U); + + return cal_var; +} + +#if FSL_FEATURE_ADC_HAS_DIFF_MODE + +/*FUNCTION********************************************************************* + * + * Function Name : ADC_HAL_GetAutoMinusSideGainValue + * Description : Get the values of CLM0 - CLM4 and CLMS internally, + * accumulate them, and return the value that can be used to be set in MG + * register directly. Note that this API should be called after the process of + * auto calibration has been done. + * + *END*************************************************************************/ +uint16_t ADC_HAL_GetAutoMinusSideGainValue(uint32_t baseAddr) +{ + uint16_t cal_var; + + /* Calculate minus-side calibration */ + cal_var = 0U; + cal_var += BR_ADC_CLM0_CLM0(baseAddr); + cal_var += BR_ADC_CLM1_CLM1(baseAddr); + cal_var += BR_ADC_CLM2_CLM2(baseAddr); + cal_var += BR_ADC_CLM3_CLM3(baseAddr); + cal_var += BR_ADC_CLM4_CLM4(baseAddr); + cal_var += BR_ADC_CLMS_CLMS(baseAddr); + cal_var = 0x8000U | (cal_var>>1U); + + return cal_var; +} + +#endif /* FSL_FEATURE_ADC_HAS_DIFF_MODE */ + +#endif /* FSL_FEATURE_ADC_HAS_CALIBRATION */ + +/****************************************************************************** + * EOF + *****************************************************************************/ + |