Diff: libs/LPC17xx/LPC17xxLib/src/lpc17xx_adc.c

Revision:

3:f151d08d335c

Parent:

2:1df0b61d3b5a

--- a/libs/LPC17xx/LPC17xxLib/src/lpc17xx_adc.c	Fri Feb 28 18:52:52 2014 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,350 +0,0 @@
-#ifdef __LPC17XX__
-
-/**********************************************************************
-* $Id$		lpc17xx_adc.c				2010-06-18
-*//**
-* @file		lpc17xx_adc.c
-* @brief	Contains all functions support for ADC firmware library on LPC17xx
-* @version	3.1
-* @date		26. July. 2011
-* @author	NXP MCU SW Application Team
-*
-* Copyright(C) 2011, 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 ADC
- * @{
- */
-
-/* Includes ------------------------------------------------------------------- */
-#include "lpc17xx_adc.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 _ADC
-
-/* Public Functions ----------------------------------------------------------- */
-/** @addtogroup ADC_Public_Functions
- * @{
- */
-
-/*********************************************************************//**
- * @brief 		Initial for ADC
- * 					+ Set bit PCADC
- * 					+ Set clock for ADC
- * 					+ Set Clock Frequency
- * @param[in]	ADCx pointer to LPC_ADC_TypeDef, should be: LPC_ADC
- * @param[in]	rate ADC conversion rate, should be <=200KHz
- * @return 		None
- **********************************************************************/
-void ADC_Init(LPC_ADC_TypeDef *ADCx, uint32_t rate)
-{
-	uint32_t ADCPClk, temp, tmp;
-
-	CHECK_PARAM(PARAM_ADCx(ADCx));
-	CHECK_PARAM(PARAM_ADC_RATE(rate));
-
-	// Turn on power and clock
-	CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCAD, ENABLE);
-
-	ADCx->ADCR = 0;
-
-	//Enable PDN bit
-	tmp = ADC_CR_PDN;
-	// Set clock frequency
-	ADCPClk = CLKPWR_GetPCLK(CLKPWR_PCLKSEL_ADC);
-	/* The APB clock (PCLK_ADC0) is divided by (CLKDIV+1) to produce the clock for
-	 * A/D converter, which should be less than or equal to 13MHz.
-	 * A fully conversion requires 65 of these clocks.
-	 * ADC clock = PCLK_ADC0 / (CLKDIV + 1);
-	 * ADC rate = ADC clock / 65;
-	 */
-	temp = rate * 65;
-	temp = (ADCPClk * 2 + temp)/(2 * temp) - 1; //get the round value by fomular: (2*A + B)/(2*B)
-	tmp |=  ADC_CR_CLKDIV(temp);
-
-	ADCx->ADCR = tmp;
-}
-
-
-/*********************************************************************//**
-* @brief 		Close ADC
-* @param[in]	ADCx pointer to LPC_ADC_TypeDef, should be: LPC_ADC
-* @return 		None
-**********************************************************************/
-void ADC_DeInit(LPC_ADC_TypeDef *ADCx)
-{
-	CHECK_PARAM(PARAM_ADCx(ADCx));
-
-	// Clear PDN bit
-	ADCx->ADCR &= ~ADC_CR_PDN;
-	// Turn on power and clock
-	CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCAD, DISABLE);
-}
-
-
-/*********************************************************************//**
-* @brief 		Get Result conversion from A/D data register
-* @param[in]	channel number which want to read back the result
-* @return 		Result of conversion
-*********************************************************************/
-uint32_t ADC_GetData(uint32_t channel)
-{
-	uint32_t adc_value;
-
-	CHECK_PARAM(PARAM_ADC_CHANNEL_SELECTION(channel));
-
-	adc_value = *(const volatile uint32_t *)((&LPC_ADC->ADDR0) + channel);
-	return ADC_GDR_RESULT(adc_value);
-}
-
-/*********************************************************************//**
-* @brief 		Set start mode for ADC
-* @param[in]	ADCx pointer to LPC_ADC_TypeDef, should be: LPC_ADC
-* @param[in]	start_mode Start mode choose one of modes in
-* 				'ADC_START_OPT' enumeration type definition, should be:
-* 				- ADC_START_CONTINUOUS
-* 				- ADC_START_NOW
-* 				- ADC_START_ON_EINT0
-* 				- ADC_START_ON_CAP01
-*				- ADC_START_ON_MAT01
-*				- ADC_START_ON_MAT03
-*				- ADC_START_ON_MAT10
-*				- ADC_START_ON_MAT11
-* @return 		None
-*********************************************************************/
-void ADC_StartCmd(LPC_ADC_TypeDef *ADCx, uint8_t start_mode)
-{
-	CHECK_PARAM(PARAM_ADCx(ADCx));
-	CHECK_PARAM(PARAM_ADC_START_OPT(start_mode));
-
-	ADCx->ADCR &= ~ADC_CR_START_MASK;
-	ADCx->ADCR |=ADC_CR_START_MODE_SEL((uint32_t)start_mode);
-}
-
-
-/*********************************************************************//**
-* @brief 		ADC Burst mode setting
-* @param[in]	ADCx pointer to LPC_ADC_TypeDef, should be: LPC_ADC
-* @param[in]	NewState
-* 				-	1: Set Burst mode
-* 				-	0: reset Burst mode
-* @return 		None
-**********************************************************************/
-void ADC_BurstCmd(LPC_ADC_TypeDef *ADCx, FunctionalState NewState)
-{
-	CHECK_PARAM(PARAM_ADCx(ADCx));
-
-	ADCx->ADCR &= ~ADC_CR_BURST;
-	if (NewState){
-		ADCx->ADCR |= ADC_CR_BURST;
-	}
-}
-
-/*********************************************************************//**
-* @brief 		Set AD conversion in power mode
-* @param[in]	ADCx pointer to LPC_ADC_TypeDef, should be: LPC_ADC
-* @param[in]	NewState
-* 				-	1: AD converter is optional
-* 				-	0: AD Converter is in power down mode
-* @return 		None
-**********************************************************************/
-void ADC_PowerdownCmd(LPC_ADC_TypeDef *ADCx, FunctionalState NewState)
-{
-	CHECK_PARAM(PARAM_ADCx(ADCx));
-
-	ADCx->ADCR &= ~ADC_CR_PDN;
-	if (NewState){
-		ADCx->ADCR |= ADC_CR_PDN;
-	}
-}
-
-/*********************************************************************//**
-* @brief 		Set Edge start configuration
-* @param[in]	ADCx pointer to LPC_ADC_TypeDef, should be: LPC_ADC
-* @param[in]	EdgeOption is ADC_START_ON_RISING and ADC_START_ON_FALLING
-* 					0:ADC_START_ON_RISING
-* 					1:ADC_START_ON_FALLING
-* @return 		None
-**********************************************************************/
-void ADC_EdgeStartConfig(LPC_ADC_TypeDef *ADCx, uint8_t EdgeOption)
-{
-	CHECK_PARAM(PARAM_ADCx(ADCx));
-	CHECK_PARAM(PARAM_ADC_START_ON_EDGE_OPT(EdgeOption));
-
-	ADCx->ADCR &= ~ADC_CR_EDGE;
-	if (EdgeOption){
-		ADCx->ADCR |= ADC_CR_EDGE;
-	}
-}
-
-/*********************************************************************//**
-* @brief 		ADC interrupt configuration
-* @param[in]	ADCx pointer to LPC_ADC_TypeDef, should be: LPC_ADC
-* @param[in]	IntType: type of interrupt, should be:
-* 				- ADC_ADINTEN0: Interrupt channel 0
-* 				- ADC_ADINTEN1: Interrupt channel 1
-* 				...
-* 				- ADC_ADINTEN7: Interrupt channel 7
-* 				- ADC_ADGINTEN: Individual channel/global flag done generate an interrupt
-* @param[in]	NewState:
-* 					- SET : enable ADC interrupt
-* 					- RESET: disable ADC interrupt
-* @return 		None
-**********************************************************************/
-void ADC_IntConfig (LPC_ADC_TypeDef *ADCx, ADC_TYPE_INT_OPT IntType, FunctionalState NewState)
-{
-	CHECK_PARAM(PARAM_ADCx(ADCx));
-	CHECK_PARAM(PARAM_ADC_TYPE_INT_OPT(IntType));
-
-	ADCx->ADINTEN &= ~ADC_INTEN_CH(IntType);
-	if (NewState){
-		ADCx->ADINTEN |= ADC_INTEN_CH(IntType);
-	}
-}
-
-/*********************************************************************//**
-* @brief 		Enable/Disable ADC channel number
-* @param[in]	ADCx pointer to LPC_ADC_TypeDef, should be: LPC_ADC
-* @param[in]	Channel channel number
-* @param[in]	NewState Enable or Disable
-*
-* @return 		None
-**********************************************************************/
-void ADC_ChannelCmd (LPC_ADC_TypeDef *ADCx, uint8_t Channel, FunctionalState NewState)
-{
-	CHECK_PARAM(PARAM_ADCx(ADCx));
-	CHECK_PARAM(PARAM_ADC_CHANNEL_SELECTION(Channel));
-
-	if (NewState == ENABLE) {
-		ADCx->ADCR |= ADC_CR_CH_SEL(Channel);
-	} else {
-		ADCx->ADCR &= ~ADC_CR_CH_SEL(Channel);
-	}
-}
-
-/*********************************************************************//**
-* @brief 		Get ADC result
-* @param[in]	ADCx pointer to LPC_ADC_TypeDef, should be: LPC_ADC
-* @param[in]	channel: channel number, should be 0...7
-* @return 		Data conversion
-**********************************************************************/
-uint16_t ADC_ChannelGetData(LPC_ADC_TypeDef *ADCx, uint8_t channel)
-{
-	uint32_t adc_value;
-
-	CHECK_PARAM(PARAM_ADCx(ADCx));
-	CHECK_PARAM(PARAM_ADC_CHANNEL_SELECTION(channel));
-
-	adc_value = *(const volatile uint32_t *) ((&ADCx->ADDR0) + channel);
-	return ADC_DR_RESULT(adc_value);
-}
-
-/*********************************************************************//**
-* @brief 		Get ADC Chanel status from ADC data register
-* @param[in]	ADCx pointer to LPC_ADC_TypeDef, should be: LPC_ADC
-* @param[in]	channel: channel number, should be 0..7
-* @param[in]  	StatusType
-*              		 	0:Burst status
-*               		1:Done 	status
-* @return 		SET / RESET
-**********************************************************************/
-FlagStatus ADC_ChannelGetStatus(LPC_ADC_TypeDef *ADCx, uint8_t channel, uint32_t StatusType)
-{
-	uint32_t temp;
-
-	CHECK_PARAM(PARAM_ADCx(ADCx));
-	CHECK_PARAM(PARAM_ADC_CHANNEL_SELECTION(channel));
-	CHECK_PARAM(PARAM_ADC_DATA_STATUS(StatusType));
-
-	temp =  *(const volatile uint32_t *) ((&ADCx->ADDR0) + channel);
-	if (StatusType) {
-		temp &= ADC_DR_DONE_FLAG;
-	}else{
-		temp &= ADC_DR_OVERRUN_FLAG;
-	}
-	if (temp) {
-		return SET;
-	} else {
-		return RESET;
-	}
-
-}
-
-/*********************************************************************//**
-* @brief 		Get ADC Data from AD Global register
-* @param[in]	ADCx pointer to LPC_ADC_TypeDef, should be: LPC_ADC
-* @return 		Result of conversion
-**********************************************************************/
-uint32_t ADC_GlobalGetData(LPC_ADC_TypeDef *ADCx)
-{
-	CHECK_PARAM(PARAM_ADCx(ADCx));
-
-	return ((uint32_t)(ADCx->ADGDR));
-}
-
-/*********************************************************************//**
-* @brief 		Get ADC Chanel status from AD global data register
-* @param[in]	ADCx pointer to LPC_ADC_TypeDef, should be: LPC_ADC
-* @param[in]  	StatusType
-*              		 	0:Burst status
-*               		1:Done 	status
-* @return 		SET / RESET
-**********************************************************************/
-FlagStatus	ADC_GlobalGetStatus(LPC_ADC_TypeDef *ADCx, uint32_t StatusType)
-{
-	uint32_t temp;
-
-	CHECK_PARAM(PARAM_ADCx(ADCx));
-	CHECK_PARAM(PARAM_ADC_DATA_STATUS(StatusType));
-
-	temp =  ADCx->ADGDR;
-	if (StatusType){
-		temp &= ADC_DR_DONE_FLAG;
-	}else{
-		temp &= ADC_DR_OVERRUN_FLAG;
-	}
-	if (temp){
-		return SET;
-	}else{
-		return RESET;
-	}
-}
-
-/**
- * @}
- */
-
-#endif /* _ADC */
-
-/**
- * @}
- */
-
-/* --------------------------------- End Of File ------------------------------ */
-
-#endif /* __LPC17XX__ */