lpc17xx_dac.h
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CLexer
jeandet@pc-de-jeandet3.LAB-LPP.LOCAL
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r18 | /***********************************************************************//** | ||
* @file : lpc17xx_dac.h | ||||
* @brief : Contains all macro definitions and function prototypes | ||||
* support for DAC firmware library on LPC17xx | ||||
* @version : 1.0 | ||||
* @date : 3. April. 2009 | ||||
* @author : HieuNguyen | ||||
************************************************************************** | ||||
* 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 ----------------------------------------------------------- */ | ||||
/** @defgroup DAC | ||||
* @ingroup LPC1700CMSIS_FwLib_Drivers | ||||
* @{ | ||||
*/ | ||||
#ifndef LPC17XX_DAC_H_ | ||||
#define LPC17XX_DAC_H_ | ||||
/* Includes ------------------------------------------------------------------- */ | ||||
#include "LPC17xx.h" | ||||
#include "lpc_types.h" | ||||
#ifdef __cplusplus | ||||
extern "C" | ||||
{ | ||||
#endif | ||||
/* Public Types --------------------------------------------------------------- */ | ||||
/** @defgroup DAC_Public_Types | ||||
* @{ | ||||
*/ | ||||
/** | ||||
* @brief Current option in ADC confuration option */ | ||||
typedef enum | ||||
{ | ||||
DAC_MAX_CURRENT_700uA = 0, /*!< The settling time of the DAC is 1 us max, | ||||
and the maximum current is 700 uA */ | ||||
DAC_MAX_CURRENT_350uA /*!< The settling time of the DAC is 2.5 us | ||||
and the maximum current is 350 uA */ | ||||
} DAC_CURRENT_OPT; | ||||
#define PARAM_DAC_CURRENT_OPT(OPTION) ((OPTION == DAC_MAX_CURRENT_700uA)\ | ||||
||(OPTION == DAC_MAX_CURRENT_350uA)) | ||||
/** | ||||
* @brief Configuration for DA converter control register */ | ||||
typedef struct | ||||
{ | ||||
uint8_t DBLBUF_ENA; /**< | ||||
-0: Disable DACR double buffering | ||||
-1: when bit CNT_ENA, enable DACR double buffering feature | ||||
*/ | ||||
uint8_t CNT_ENA; /*!< | ||||
-0: Time out counter is disable | ||||
-1: Time out conter is enable | ||||
*/ | ||||
uint8_t DMA_ENA; /*!< | ||||
-0: DMA access is disable | ||||
-1: DMA burst request | ||||
*/ | ||||
uint8_t RESERVED; | ||||
} DAC_CONVERTER_CFG_Type; | ||||
/** | ||||
* @} | ||||
*/ | ||||
/* Public Macros -------------------------------------------------------------- */ | ||||
/** @defgroup DAC_Public_Macros | ||||
* @{ | ||||
*/ | ||||
/** After the selected settling time after this field is written with a | ||||
new VALUE, the voltage on the AOUT pin (with respect to VSSA) | ||||
is VALUE/1024 � VREF */ | ||||
#define DAC_VALUE(n) ((uint32_t)((n&0x3FF)<<6)) | ||||
/** If this bit = 0: The settling time of the DAC is 1 microsecond max, | ||||
* and the maximum current is 700 microAmpere | ||||
* If this bit = 1: The settling time of the DAC is 2.5 microsecond | ||||
* and the maximum current is 350 microAmpere */ | ||||
#define DAC_BIAS_EN ((uint32_t)(1<<16)) | ||||
/** Value to reload interrupt DMA counter */ | ||||
#define DAC_CCNT_VALUE(n) ((uint32_t)(n&0xff)) | ||||
/** DCAR double buffering */ | ||||
#define DAC_DBLBUF_ENA ((uint32_t)(1<<1)) | ||||
/** DCAR Time out count enable */ | ||||
#define DAC_CNT_ENA ((uint32_t)(1<<2)) | ||||
/** DCAR DMA access */ | ||||
#define DAC_DMA_ENA ((uint32_t)(1<<3)) | ||||
/** DCAR DACCTRL mask bit */ | ||||
#define DAC_DACCTRL_MASK ((uint32_t)(0x0F)) | ||||
/** Macro to determine if it is valid DAC peripheral */ | ||||
#define PARAM_DACx(n) (((uint32_t *)n)==((uint32_t *)LPC_DAC)) | ||||
/** | ||||
* @} | ||||
*/ | ||||
/* Public Functions ----------------------------------------------------------- */ | ||||
/** @defgroup DAC_Public_Functions | ||||
* @{ | ||||
*/ | ||||
void DAC_Init(LPC_DAC_TypeDef *DACx); | ||||
void DAC_UpdateValue (LPC_DAC_TypeDef *DACx, uint32_t dac_value); | ||||
void DAC_SetBias (LPC_DAC_TypeDef *DACx,uint32_t bias); | ||||
void DAC_ConfigDAConverterControl (LPC_DAC_TypeDef *DACx,DAC_CONVERTER_CFG_Type *DAC_ConverterConfigStruct); | ||||
void DAC_SetDMATimeOut(LPC_DAC_TypeDef *DACx,uint32_t time_out); | ||||
/** | ||||
* @} | ||||
*/ | ||||
#ifdef __cplusplus | ||||
} | ||||
#endif | ||||
#endif /* LPC17XX_DAC_H_ */ | ||||
/** | ||||
* @} | ||||
*/ | ||||
/* --------------------------------- End Of File ------------------------------ */ | ||||