rt-thread-official/bsp/lpc5410x/Libraries/lpc_chip/chip_5410x/romapi_adc.c

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2014-12-16 19:54:29 +08:00
/*
* @brief ADC ROM API declarations and functions
* These are the public ROM APIs and functions of the ADC ROM
* driver.
*
* @note
* Copyright(C) NXP Semiconductors, 2014
* All rights reserved.
*
* @par
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* LPC products. This software is supplied "AS IS" without any warranties of
* any kind, and NXP Semiconductors and its licensor disclaim any and
* all warranties, express or implied, including all implied warranties of
* merchantability, fitness for a particular purpose and non-infringement of
* intellectual property rights. NXP Semiconductors assumes no responsibility
* or liability for the use of the software, conveys no license or rights under any
* patent, copyright, mask work right, or any other intellectual property rights in
* or to any products. NXP Semiconductors reserves the right to make changes
* in the software without notification. NXP Semiconductors also makes no
* representation or warranty that such application will be suitable for the
* specified use without further testing or modification.
*
* @par
* Permission to use, copy, modify, and distribute this software and its
* documentation is hereby granted, under NXP Semiconductors' and its
* licensor's relevant copyrights in the software, without fee, provided that it
* is used in conjunction with NXP Semiconductors microcontrollers. This
* copyright, permission, and disclaimer notice must appear in all copies of
* this code.
*/
#include "romapi_5410x.h"
/* Get memory size in bytes needed for ADC driver context */
uint32_t ROM_ADC_GetMemSize(void)
{
#if defined(ROMDRIVERSV2_PRESENT)
return ROMAPI_ADC_API->GetMemSize();
#else
return adcrom_api.GetMemSize();
#endif
}
/* Initialize the ADC ROM driver */
ADC_HANDLE_T ROM_ADC_Init(void *pMem, uint32_t baseAddr, void *pUserData)
{
#if defined(ROMDRIVERSV2_PRESENT)
return ROMAPI_ADC_API->Init(pMem, baseAddr, pUserData);
#else
return adcrom_api.Init(pMem, baseAddr, pUserData);
#endif
}
/* Configure the ADC peripheral */
ErrorCode_t ROM_ADC_Configure(ADC_HANDLE_T hADC, const ADC_CFG_T *pCfg)
{
#if defined(ROMDRIVERSV2_PRESENT)
return ROMAPI_ADC_API->Configure(hADC, pCfg);
#else
return adcrom_api.Configure(hADC, pCfg);
#endif
}
/* Calibrate the ADC */
ErrorCode_t ROM_ADC_Calibrate(ADC_HANDLE_T hADC, uint32_t sysclk_freq)
{
#if defined(ROMDRIVERSV2_PRESENT)
return ROMAPI_ADC_API->Calibrate(hADC, sysclk_freq);
#else
return adcrom_api.Calibrate(hADC, sysclk_freq);
#endif
}
/* Start the conversion on given SEQ */
ErrorCode_t ROM_ADC_StartConversion(ADC_HANDLE_T hADC, ADC_SEQ_INDEX_T seqIndex, void *pBuf, size_t bufCount)
{
#if defined(ROMDRIVERSV2_PRESENT)
/* Correct index adjust bug */
uint32_t *ptr = &((uint32_t *)hADC)[9 + seqIndex * 6];
if (*ptr != 2) *(ptr - 1) = 0;
return ROMAPI_ADC_API->StartConversion(hADC, seqIndex, pBuf, bufCount);
#else
return adcrom_api.StartConversion(hADC, seqIndex, pBuf, bufCount);
#endif
}
/* ADC Event handler */
ErrorCode_t ROM_ADC_Handler(ADC_HANDLE_T hADC, ADC_HEVENT_T hEvent)
{
#if defined(ROMDRIVERSV2_PRESENT)
return ROMAPI_ADC_API->Handler(hADC, hEvent);
#else
return adcrom_api.Handler(hADC, hEvent);
#endif
}
/* ADC Callback register */
ErrorCode_t ROM_ADC_RegisterCB(ADC_HANDLE_T hADC, ADC_CBINDEX_T cbIndex, void (*pCbFunc)(ADC_HANDLE_T,
ADC_CBINDEX_T,
void *))
{
#if defined(ROMDRIVERSV2_PRESENT)
return ROMAPI_ADC_API->RegisterCB(hADC, cbIndex, pCbFunc);
#else
return adcrom_api.RegisterCB(hADC, cbIndex, pCbFunc);
#endif
}
/* Set Threshold register values */
void ROM_ADC_SetThreshold(ADC_HANDLE_T hADC, uint32_t valThr0, uint32_t valThr1)
{
#if defined(ROMDRIVERSV2_PRESENT)
ROMAPI_ADC_API->SetThreshold(hADC, valThr0, valThr1);
#else
adcrom_api.SetThreshold(hADC, valThr0, valThr1);
#endif
}
/* Configure ADC channel */
ErrorCode_t ROM_ADC_ConfigureCh(ADC_HANDLE_T hADC, uint32_t chanNum, uint32_t chanOpts)
{
#if defined(ROMDRIVERSV2_PRESENT)
return ROMAPI_ADC_API->ConfigureCh(hADC, chanNum, chanOpts);
#else
return adcrom_api.ConfigureCh(hADC, chanNum, chanOpts);
#endif
}
/* Stop conversion of Analog samples */
ErrorCode_t ROM_ADC_StopConversion(ADC_HANDLE_T hADC, ADC_SEQ_INDEX_T seqIndex)
{
#if defined(ROMDRIVERSV2_PRESENT)
return ROMAPI_ADC_API->StopConversion(hADC, seqIndex);
#else
return adcrom_api.StopConversion(hADC, seqIndex);
#endif
}
/* Generate a software trigger */
ErrorCode_t ROM_ADC_SwTrigger(ADC_HANDLE_T hADC, ADC_SEQ_INDEX_T seqIndex)
{
#if defined(ROMDRIVERSV2_PRESENT)
return ROMAPI_ADC_API->SwTrigger(hADC, seqIndex);
#else
return adcrom_api.SwTrigger(hADC, seqIndex);
#endif
}
/* Get Current verion of the driver */
uint16_t ROM_ADC_GetDriverVersion(void)
{
#if defined(ROMDRIVERSV2_PRESENT)
return ROMAPI_ADC_API->GetDriverVersion();
#else
return adcrom_api.GetDriverVersion();
#endif
}