Fork of Smoothie to port to mbed non-LPC targets.
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Diff: libs/LPC17xx/LPC17xxLib/src/lpc17xx_dac.c
- Revision:
- 3:f151d08d335c
- Parent:
- 2:1df0b61d3b5a
diff -r 1df0b61d3b5a -r f151d08d335c libs/LPC17xx/LPC17xxLib/src/lpc17xx_dac.c --- a/libs/LPC17xx/LPC17xxLib/src/lpc17xx_dac.c Fri Feb 28 18:52:52 2014 -0800 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,148 +0,0 @@ -#ifdef __LPC17XX__ - -/********************************************************************** -* $Id$ lpc17xx_dac.c 2010-05-21 -*//** -* @file lpc17xx_dac.c -* @brief Contains all functions support for DAC firmware library on LPC17xx -* @version 2.0 -* @date 21. May. 2010 -* @author NXP MCU SW Application Team -* -* Copyright(C) 2010, NXP Semiconductor -* All rights reserved. -* -*********************************************************************** -* Software that is described herein is for illustrative purposes only -* which provides customers with programming information regarding the -* products. This software is supplied "AS IS" without any warranties. -* NXP Semiconductors assumes no responsibility or liability for the -* use of the software, conveys no license or title under any patent, -* copyright, or mask work right to the product. NXP Semiconductors -* reserves the right to make changes in the software without -* notification. NXP Semiconductors also make no representation or -* warranty that such application will be suitable for the specified -* use without further testing or modification. -**********************************************************************/ - -/* Peripheral group ----------------------------------------------------------- */ -/** @addtogroup DAC - * @{ - */ - -/* Includes ------------------------------------------------------------------- */ -#include "lpc17xx_dac.h" -#include "lpc17xx_clkpwr.h" - -/* If this source file built with example, the LPC17xx FW library configuration - * file in each example directory ("lpc17xx_libcfg.h") must be included, - * otherwise the default FW library configuration file must be included instead - */ -#ifdef __BUILD_WITH_EXAMPLE__ -#include "lpc17xx_libcfg.h" -#else -#include "lpc17xx_libcfg_default.h" -#endif /* __BUILD_WITH_EXAMPLE__ */ - - -#ifdef _DAC - -/* Public Functions ----------------------------------------------------------- */ -/** @addtogroup DAC_Public_Functions - * @{ - */ - -/*********************************************************************//** - * @brief Initial ADC configuration - * - Maximum current is 700 uA - * - Value to AOUT is 0 - * @param[in] DACx pointer to LPC_DAC_TypeDef, should be: LPC_DAC - * @return None - ***********************************************************************/ -void DAC_Init(LPC_DAC_TypeDef *DACx) -{ - CHECK_PARAM(PARAM_DACx(DACx)); - /* Set default clock divider for DAC */ - // CLKPWR_SetPCLKDiv (CLKPWR_PCLKSEL_DAC, CLKPWR_PCLKSEL_CCLK_DIV_4); - //Set maximum current output - DAC_SetBias(LPC_DAC,DAC_MAX_CURRENT_700uA); -} - -/*********************************************************************//** - * @brief Update value to DAC - * @param[in] DACx pointer to LPC_DAC_TypeDef, should be: LPC_DAC - * @param[in] dac_value : value 10 bit to be converted to output - * @return None - ***********************************************************************/ -void DAC_UpdateValue (LPC_DAC_TypeDef *DACx,uint32_t dac_value) -{ - uint32_t tmp; - CHECK_PARAM(PARAM_DACx(DACx)); - tmp = DACx->DACR & DAC_BIAS_EN; - tmp |= DAC_VALUE(dac_value); - // Update value - DACx->DACR = tmp; -} - -/*********************************************************************//** - * @brief Set Maximum current for DAC - * @param[in] DACx pointer to LPC_DAC_TypeDef, should be: LPC_DAC - * @param[in] bias : 0 is 700 uA - * 1 350 uA - * @return None - ***********************************************************************/ -void DAC_SetBias (LPC_DAC_TypeDef *DACx,uint32_t bias) -{ - CHECK_PARAM(PARAM_DAC_CURRENT_OPT(bias)); - DACx->DACR &=~DAC_BIAS_EN; - if (bias == DAC_MAX_CURRENT_350uA) - { - DACx->DACR |= DAC_BIAS_EN; - } -} - -/*********************************************************************//** - * @brief To enable the DMA operation and control DMA timer - * @param[in] DACx pointer to LPC_DAC_TypeDef, should be: LPC_DAC - * @param[in] DAC_ConverterConfigStruct pointer to DAC_CONVERTER_CFG_Type - * - DBLBUF_ENA : enable/disable DACR double buffering feature - * - CNT_ENA : enable/disable timer out counter - * - DMA_ENA : enable/disable DMA access - * @return None - ***********************************************************************/ -void DAC_ConfigDAConverterControl (LPC_DAC_TypeDef *DACx,DAC_CONVERTER_CFG_Type *DAC_ConverterConfigStruct) -{ - CHECK_PARAM(PARAM_DACx(DACx)); - DACx->DACCTRL &= ~DAC_DACCTRL_MASK; - if (DAC_ConverterConfigStruct->DBLBUF_ENA) - DACx->DACCTRL |= DAC_DBLBUF_ENA; - if (DAC_ConverterConfigStruct->CNT_ENA) - DACx->DACCTRL |= DAC_CNT_ENA; - if (DAC_ConverterConfigStruct->DMA_ENA) - DACx->DACCTRL |= DAC_DMA_ENA; -} - -/*********************************************************************//** - * @brief Set reload value for interrupt/DMA counter - * @param[in] DACx pointer to LPC_DAC_TypeDef, should be: LPC_DAC - * @param[in] time_out time out to reload for interrupt/DMA counter - * @return None - ***********************************************************************/ -void DAC_SetDMATimeOut(LPC_DAC_TypeDef *DACx, uint32_t time_out) -{ - CHECK_PARAM(PARAM_DACx(DACx)); - DACx->DACCNTVAL = DAC_CCNT_VALUE(time_out); -} - -/** - * @} - */ - -#endif /* _DAC */ - -/** - * @} - */ - -/* --------------------------------- End Of File ------------------------------ */ -#endif /* __LPC17XX__ */