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Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466
mbed-os/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL43Z/drivers/fsl_dac.c
- Committer:
- kadonotakashi
- Date:
- 2018-10-10
- Revision:
- 0:8fdf9a60065b
File content as of revision 0:8fdf9a60065b:
/* * Copyright (c) 2015, 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_dac.h" /******************************************************************************* * Prototypes ******************************************************************************/ /*! * @brief Get instance number for DAC module. * * @param base DAC peripheral base address */ static uint32_t DAC_GetInstance(DAC_Type *base); /******************************************************************************* * Variables ******************************************************************************/ /*! @brief Pointers to DAC bases for each instance. */ static DAC_Type *const s_dacBases[] = DAC_BASE_PTRS; /*! @brief Pointers to DAC clocks for each instance. */ const clock_ip_name_t s_dacClocks[] = DAC_CLOCKS; /******************************************************************************* * Codes ******************************************************************************/ static uint32_t DAC_GetInstance(DAC_Type *base) { uint32_t instance; /* Find the instance index from base address mappings. */ for (instance = 0; instance < FSL_FEATURE_SOC_DAC_COUNT; instance++) { if (s_dacBases[instance] == base) { break; } } assert(instance < FSL_FEATURE_SOC_DAC_COUNT); return instance; } void DAC_Init(DAC_Type *base, const dac_config_t *config) { assert(NULL != config); uint8_t tmp8; /* Enable the clock. */ CLOCK_EnableClock(s_dacClocks[DAC_GetInstance(base)]); /* Configure. */ /* DACx_C0. */ tmp8 = base->C0 & ~(DAC_C0_DACRFS_MASK | DAC_C0_LPEN_MASK); if (kDAC_ReferenceVoltageSourceVref2 == config->referenceVoltageSource) { tmp8 |= DAC_C0_DACRFS_MASK; } if (config->enableLowPowerMode) { tmp8 |= DAC_C0_LPEN_MASK; } base->C0 = tmp8; DAC_Enable(base, true); } void DAC_Deinit(DAC_Type *base) { DAC_Enable(base, false); /* Disable the clock. */ CLOCK_DisableClock(s_dacClocks[DAC_GetInstance(base)]); } void DAC_GetDefaultConfig(dac_config_t *config) { assert(NULL != config); config->referenceVoltageSource = kDAC_ReferenceVoltageSourceVref2; config->enableLowPowerMode = false; } void DAC_SetBufferConfig(DAC_Type *base, const dac_buffer_config_t *config) { assert(NULL != config); uint8_t tmp8; /* DACx_C0. */ tmp8 = base->C0 & ~(DAC_C0_DACTRGSEL_MASK); if (kDAC_BufferTriggerBySoftwareMode == config->triggerMode) { tmp8 |= DAC_C0_DACTRGSEL_MASK; } base->C0 = tmp8; /* DACx_C1. */ tmp8 = base->C1 & ~( #if defined(FSL_FEATURE_DAC_HAS_WATERMARK_SELECTION) && FSL_FEATURE_DAC_HAS_WATERMARK_SELECTION DAC_C1_DACBFWM_MASK | #endif /* FSL_FEATURE_DAC_HAS_WATERMARK_SELECTION */ DAC_C1_DACBFMD_MASK); #if defined(FSL_FEATURE_DAC_HAS_WATERMARK_SELECTION) && FSL_FEATURE_DAC_HAS_WATERMARK_SELECTION tmp8 |= DAC_C1_DACBFWM(config->watermark); #endif /* FSL_FEATURE_DAC_HAS_WATERMARK_SELECTION */ tmp8 |= DAC_C1_DACBFMD(config->workMode); base->C1 = tmp8; /* DACx_C2. */ tmp8 = base->C2 & ~DAC_C2_DACBFUP_MASK; tmp8 |= DAC_C2_DACBFUP(config->upperLimit); base->C2 = tmp8; } void DAC_GetDefaultBufferConfig(dac_buffer_config_t *config) { assert(NULL != config); config->triggerMode = kDAC_BufferTriggerBySoftwareMode; #if defined(FSL_FEATURE_DAC_HAS_WATERMARK_SELECTION) && FSL_FEATURE_DAC_HAS_WATERMARK_SELECTION config->watermark = kDAC_BufferWatermark1Word; #endif /* FSL_FEATURE_DAC_HAS_WATERMARK_SELECTION */ config->workMode = kDAC_BufferWorkAsNormalMode; config->upperLimit = DAC_DATL_COUNT - 1U; } void DAC_SetBufferValue(DAC_Type *base, uint8_t index, uint16_t value) { assert(index < DAC_DATL_COUNT); base->DAT[index].DATL = (uint8_t)(0xFFU & value); /* Low 8-bit. */ base->DAT[index].DATH = (uint8_t)((0xF00U & value) >> 8); /* High 4-bit. */ } void DAC_SetBufferReadPointer(DAC_Type *base, uint8_t index) { assert(index < DAC_DATL_COUNT); uint8_t tmp8 = base->C2 & ~DAC_C2_DACBFRP_MASK; tmp8 |= DAC_C2_DACBFRP(index); base->C2 = tmp8; } void DAC_EnableBufferInterrupts(DAC_Type *base, uint32_t mask) { mask &= ( #if defined(FSL_FEATURE_DAC_HAS_WATERMARK_DETECTION) && FSL_FEATURE_DAC_HAS_WATERMARK_DETECTION DAC_C0_DACBWIEN_MASK | #endif /* FSL_FEATURE_DAC_HAS_WATERMARK_DETECTION */ DAC_C0_DACBTIEN_MASK | DAC_C0_DACBBIEN_MASK); base->C0 |= ((uint8_t)mask); /* Write 1 to enable. */ } void DAC_DisableBufferInterrupts(DAC_Type *base, uint32_t mask) { mask &= ( #if defined(FSL_FEATURE_DAC_HAS_WATERMARK_DETECTION) && FSL_FEATURE_DAC_HAS_WATERMARK_DETECTION DAC_C0_DACBWIEN_MASK | #endif /* FSL_FEATURE_DAC_HAS_WATERMARK_DETECTION */ DAC_C0_DACBTIEN_MASK | DAC_C0_DACBBIEN_MASK); base->C0 &= (uint8_t)(~((uint8_t)mask)); /* Write 0 to disable. */ } uint32_t DAC_GetBufferStatusFlags(DAC_Type *base) { return (uint32_t)(base->SR & ( #if defined(FSL_FEATURE_DAC_HAS_WATERMARK_DETECTION) && FSL_FEATURE_DAC_HAS_WATERMARK_DETECTION DAC_SR_DACBFWMF_MASK | #endif /* FSL_FEATURE_DAC_HAS_WATERMARK_DETECTION */ DAC_SR_DACBFRPTF_MASK | DAC_SR_DACBFRPBF_MASK)); } void DAC_ClearBufferStatusFlags(DAC_Type *base, uint32_t mask) { mask &= ( #if defined(FSL_FEATURE_DAC_HAS_WATERMARK_DETECTION) && FSL_FEATURE_DAC_HAS_WATERMARK_DETECTION DAC_SR_DACBFWMF_MASK | #endif /* FSL_FEATURE_DAC_HAS_WATERMARK_DETECTION */ DAC_SR_DACBFRPTF_MASK | DAC_SR_DACBFRPBF_MASK); base->SR &= (uint8_t)(~((uint8_t)mask)); /* Write 0 to clear flags. */ }