Date: March 20, 2011 This library is created from "LPC17xx CMSIS-Compliant Standard Peripheral Firmware Driver Library (GNU, Keil, IAR) (Jan 28, 2011)", available from NXP's website, under "All microcontrollers support documents" [[http://ics.nxp.com/support/documents/microcontrollers/?type=software]] You will need to follow [[/projects/libraries/svn/mbed/trunk/LPC1768/LPC17xx.h]] while using this library Examples provided here [[/users/frank26080115/programs/LPC1700CMSIS_Examples/]] The beautiful thing is that NXP does not place copyright protection on any of the files in here Only a few modifications are made to make it compile with the mbed online compiler, I fixed some warnings as well. This is untested as of March 20, 2011 Forum post about this library: [[/forum/mbed/topic/2030/]]
lpc17xx_dac.h@0:84d7747641aa, 2011-03-20 (annotated)
- Committer:
- frank26080115
- Date:
- Sun Mar 20 18:45:15 2011 +0000
- Revision:
- 0:84d7747641aa
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
frank26080115 | 0:84d7747641aa | 1 | /***********************************************************************//** |
frank26080115 | 0:84d7747641aa | 2 | * @file lpc17xx_dac.h |
frank26080115 | 0:84d7747641aa | 3 | * @brief Contains all macro definitions and function prototypes |
frank26080115 | 0:84d7747641aa | 4 | * support for DAC firmware library on LPC17xx |
frank26080115 | 0:84d7747641aa | 5 | * @version 3.0 |
frank26080115 | 0:84d7747641aa | 6 | * @date 18. June. 2010 |
frank26080115 | 0:84d7747641aa | 7 | * @author NXP MCU SW Application Team |
frank26080115 | 0:84d7747641aa | 8 | ************************************************************************** |
frank26080115 | 0:84d7747641aa | 9 | * Software that is described herein is for illustrative purposes only |
frank26080115 | 0:84d7747641aa | 10 | * which provides customers with programming information regarding the |
frank26080115 | 0:84d7747641aa | 11 | * products. This software is supplied "AS IS" without any warranties. |
frank26080115 | 0:84d7747641aa | 12 | * NXP Semiconductors assumes no responsibility or liability for the |
frank26080115 | 0:84d7747641aa | 13 | * use of the software, conveys no license or title under any patent, |
frank26080115 | 0:84d7747641aa | 14 | * copyright, or mask work right to the product. NXP Semiconductors |
frank26080115 | 0:84d7747641aa | 15 | * reserves the right to make changes in the software without |
frank26080115 | 0:84d7747641aa | 16 | * notification. NXP Semiconductors also make no representation or |
frank26080115 | 0:84d7747641aa | 17 | * warranty that such application will be suitable for the specified |
frank26080115 | 0:84d7747641aa | 18 | * use without further testing or modification. |
frank26080115 | 0:84d7747641aa | 19 | **************************************************************************/ |
frank26080115 | 0:84d7747641aa | 20 | |
frank26080115 | 0:84d7747641aa | 21 | /* Peripheral group ----------------------------------------------------------- */ |
frank26080115 | 0:84d7747641aa | 22 | /** @defgroup DAC DAC |
frank26080115 | 0:84d7747641aa | 23 | * @ingroup LPC1700CMSIS_FwLib_Drivers |
frank26080115 | 0:84d7747641aa | 24 | * @{ |
frank26080115 | 0:84d7747641aa | 25 | */ |
frank26080115 | 0:84d7747641aa | 26 | |
frank26080115 | 0:84d7747641aa | 27 | #ifndef LPC17XX_DAC_H_ |
frank26080115 | 0:84d7747641aa | 28 | #define LPC17XX_DAC_H_ |
frank26080115 | 0:84d7747641aa | 29 | |
frank26080115 | 0:84d7747641aa | 30 | /* Includes ------------------------------------------------------------------- */ |
frank26080115 | 0:84d7747641aa | 31 | #include "LPC17xx.h" |
frank26080115 | 0:84d7747641aa | 32 | #include "lpc_types.h" |
frank26080115 | 0:84d7747641aa | 33 | |
frank26080115 | 0:84d7747641aa | 34 | |
frank26080115 | 0:84d7747641aa | 35 | #ifdef __cplusplus |
frank26080115 | 0:84d7747641aa | 36 | extern "C" |
frank26080115 | 0:84d7747641aa | 37 | { |
frank26080115 | 0:84d7747641aa | 38 | #endif |
frank26080115 | 0:84d7747641aa | 39 | |
frank26080115 | 0:84d7747641aa | 40 | /* Public Macros -------------------------------------------------------------- */ |
frank26080115 | 0:84d7747641aa | 41 | /** @defgroup DAC_Private_Macros DAC Private Macros |
frank26080115 | 0:84d7747641aa | 42 | * @{ |
frank26080115 | 0:84d7747641aa | 43 | */ |
frank26080115 | 0:84d7747641aa | 44 | |
frank26080115 | 0:84d7747641aa | 45 | /** After the selected settling time after this field is written with a |
frank26080115 | 0:84d7747641aa | 46 | new VALUE, the voltage on the AOUT pin (with respect to VSSA) |
frank26080115 | 0:84d7747641aa | 47 | is VALUE/1024 × VREF */ |
frank26080115 | 0:84d7747641aa | 48 | #define DAC_VALUE(n) ((uint32_t)((n&0x3FF)<<6)) |
frank26080115 | 0:84d7747641aa | 49 | /** If this bit = 0: The settling time of the DAC is 1 microsecond max, |
frank26080115 | 0:84d7747641aa | 50 | * and the maximum current is 700 microAmpere |
frank26080115 | 0:84d7747641aa | 51 | * If this bit = 1: The settling time of the DAC is 2.5 microsecond |
frank26080115 | 0:84d7747641aa | 52 | * and the maximum current is 350 microAmpere */ |
frank26080115 | 0:84d7747641aa | 53 | #define DAC_BIAS_EN ((uint32_t)(1<<16)) |
frank26080115 | 0:84d7747641aa | 54 | /** Value to reload interrupt DMA counter */ |
frank26080115 | 0:84d7747641aa | 55 | #define DAC_CCNT_VALUE(n) ((uint32_t)(n&0xffff)) |
frank26080115 | 0:84d7747641aa | 56 | |
frank26080115 | 0:84d7747641aa | 57 | /** DCAR double buffering */ |
frank26080115 | 0:84d7747641aa | 58 | #define DAC_DBLBUF_ENA ((uint32_t)(1<<1)) |
frank26080115 | 0:84d7747641aa | 59 | /** DCAR Time out count enable */ |
frank26080115 | 0:84d7747641aa | 60 | #define DAC_CNT_ENA ((uint32_t)(1<<2)) |
frank26080115 | 0:84d7747641aa | 61 | /** DCAR DMA access */ |
frank26080115 | 0:84d7747641aa | 62 | #define DAC_DMA_ENA ((uint32_t)(1<<3)) |
frank26080115 | 0:84d7747641aa | 63 | /** DCAR DACCTRL mask bit */ |
frank26080115 | 0:84d7747641aa | 64 | #define DAC_DACCTRL_MASK ((uint32_t)(0x0F)) |
frank26080115 | 0:84d7747641aa | 65 | |
frank26080115 | 0:84d7747641aa | 66 | /** Macro to determine if it is valid DAC peripheral */ |
frank26080115 | 0:84d7747641aa | 67 | #define PARAM_DACx(n) (((uint32_t *)n)==((uint32_t *)LPC_DAC)) |
frank26080115 | 0:84d7747641aa | 68 | |
frank26080115 | 0:84d7747641aa | 69 | /** Macro to check DAC current optional parameter */ |
frank26080115 | 0:84d7747641aa | 70 | #define PARAM_DAC_CURRENT_OPT(OPTION) ((OPTION == DAC_MAX_CURRENT_700uA)\ |
frank26080115 | 0:84d7747641aa | 71 | ||(OPTION == DAC_MAX_CURRENT_350uA)) |
frank26080115 | 0:84d7747641aa | 72 | /** |
frank26080115 | 0:84d7747641aa | 73 | * @} |
frank26080115 | 0:84d7747641aa | 74 | */ |
frank26080115 | 0:84d7747641aa | 75 | /* Public Types --------------------------------------------------------------- */ |
frank26080115 | 0:84d7747641aa | 76 | /** @defgroup DAC_Public_Types DAC Public Types |
frank26080115 | 0:84d7747641aa | 77 | * @{ |
frank26080115 | 0:84d7747641aa | 78 | */ |
frank26080115 | 0:84d7747641aa | 79 | |
frank26080115 | 0:84d7747641aa | 80 | /** |
frank26080115 | 0:84d7747641aa | 81 | * @brief Current option in DAC configuration option */ |
frank26080115 | 0:84d7747641aa | 82 | typedef enum |
frank26080115 | 0:84d7747641aa | 83 | { |
frank26080115 | 0:84d7747641aa | 84 | DAC_MAX_CURRENT_700uA = 0, /*!< The settling time of the DAC is 1 us max, |
frank26080115 | 0:84d7747641aa | 85 | and the maximum current is 700 uA */ |
frank26080115 | 0:84d7747641aa | 86 | DAC_MAX_CURRENT_350uA /*!< The settling time of the DAC is 2.5 us |
frank26080115 | 0:84d7747641aa | 87 | and the maximum current is 350 uA */ |
frank26080115 | 0:84d7747641aa | 88 | } DAC_CURRENT_OPT; |
frank26080115 | 0:84d7747641aa | 89 | |
frank26080115 | 0:84d7747641aa | 90 | /** |
frank26080115 | 0:84d7747641aa | 91 | * @brief Configuration for DAC converter control register */ |
frank26080115 | 0:84d7747641aa | 92 | typedef struct |
frank26080115 | 0:84d7747641aa | 93 | { |
frank26080115 | 0:84d7747641aa | 94 | |
frank26080115 | 0:84d7747641aa | 95 | uint8_t DBLBUF_ENA; /**< |
frank26080115 | 0:84d7747641aa | 96 | -0: Disable DACR double buffering |
frank26080115 | 0:84d7747641aa | 97 | -1: when bit CNT_ENA, enable DACR double buffering feature |
frank26080115 | 0:84d7747641aa | 98 | */ |
frank26080115 | 0:84d7747641aa | 99 | uint8_t CNT_ENA; /*!< |
frank26080115 | 0:84d7747641aa | 100 | -0: Time out counter is disable |
frank26080115 | 0:84d7747641aa | 101 | -1: Time out conter is enable |
frank26080115 | 0:84d7747641aa | 102 | */ |
frank26080115 | 0:84d7747641aa | 103 | uint8_t DMA_ENA; /*!< |
frank26080115 | 0:84d7747641aa | 104 | -0: DMA access is disable |
frank26080115 | 0:84d7747641aa | 105 | -1: DMA burst request |
frank26080115 | 0:84d7747641aa | 106 | */ |
frank26080115 | 0:84d7747641aa | 107 | uint8_t RESERVED; |
frank26080115 | 0:84d7747641aa | 108 | |
frank26080115 | 0:84d7747641aa | 109 | } DAC_CONVERTER_CFG_Type; |
frank26080115 | 0:84d7747641aa | 110 | |
frank26080115 | 0:84d7747641aa | 111 | /** |
frank26080115 | 0:84d7747641aa | 112 | * @} |
frank26080115 | 0:84d7747641aa | 113 | */ |
frank26080115 | 0:84d7747641aa | 114 | |
frank26080115 | 0:84d7747641aa | 115 | /* Public Functions ----------------------------------------------------------- */ |
frank26080115 | 0:84d7747641aa | 116 | /** @defgroup DAC_Public_Functions DAC Public Functions |
frank26080115 | 0:84d7747641aa | 117 | * @{ |
frank26080115 | 0:84d7747641aa | 118 | */ |
frank26080115 | 0:84d7747641aa | 119 | |
frank26080115 | 0:84d7747641aa | 120 | void DAC_Init(LPC_DAC_TypeDef *DACx); |
frank26080115 | 0:84d7747641aa | 121 | void DAC_UpdateValue (LPC_DAC_TypeDef *DACx, uint32_t dac_value); |
frank26080115 | 0:84d7747641aa | 122 | void DAC_SetBias (LPC_DAC_TypeDef *DACx,uint32_t bias); |
frank26080115 | 0:84d7747641aa | 123 | void DAC_ConfigDAConverterControl (LPC_DAC_TypeDef *DACx,DAC_CONVERTER_CFG_Type *DAC_ConverterConfigStruct); |
frank26080115 | 0:84d7747641aa | 124 | void DAC_SetDMATimeOut(LPC_DAC_TypeDef *DACx,uint32_t time_out); |
frank26080115 | 0:84d7747641aa | 125 | |
frank26080115 | 0:84d7747641aa | 126 | /** |
frank26080115 | 0:84d7747641aa | 127 | * @} |
frank26080115 | 0:84d7747641aa | 128 | */ |
frank26080115 | 0:84d7747641aa | 129 | |
frank26080115 | 0:84d7747641aa | 130 | #ifdef __cplusplus |
frank26080115 | 0:84d7747641aa | 131 | } |
frank26080115 | 0:84d7747641aa | 132 | #endif |
frank26080115 | 0:84d7747641aa | 133 | |
frank26080115 | 0:84d7747641aa | 134 | |
frank26080115 | 0:84d7747641aa | 135 | #endif /* LPC17XX_DAC_H_ */ |
frank26080115 | 0:84d7747641aa | 136 | |
frank26080115 | 0:84d7747641aa | 137 | /** |
frank26080115 | 0:84d7747641aa | 138 | * @} |
frank26080115 | 0:84d7747641aa | 139 | */ |
frank26080115 | 0:84d7747641aa | 140 | |
frank26080115 | 0:84d7747641aa | 141 | /* --------------------------------- End Of File ------------------------------ */ |
frank26080115 | 0:84d7747641aa | 142 |