Fork of Smoothie to port to mbed non-LPC targets.
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Diff: libs/LPC17xx/LPC17xxLib/src/lpc17xx_mcpwm.c
- Revision:
- 3:f151d08d335c
- Parent:
- 2:1df0b61d3b5a
--- a/libs/LPC17xx/LPC17xxLib/src/lpc17xx_mcpwm.c Fri Feb 28 18:52:52 2014 -0800 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,506 +0,0 @@ -#ifdef __LPC17XX__ - -/********************************************************************** -* $Id$ lpc17xx_mcpwm.c 2010-05-21 -*//** -* @file lpc17xx_mcpwm.c -* @brief Contains all functions support for Motor Control PWM 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 MCPWM - * @{ - */ - -/* Includes ------------------------------------------------------------------- */ -#include "lpc17xx_mcpwm.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 _MCPWM - -/* Public Functions ----------------------------------------------------------- */ -/** @addtogroup MCPWM_Public_Functions - * @{ - */ - -/*********************************************************************//** - * @brief Initializes the MCPWM peripheral - * @param[in] MCPWMx Motor Control PWM peripheral selected, - * Should be: LPC_MCPWM - * @return None - **********************************************************************/ -void MCPWM_Init(LPC_MCPWM_TypeDef *MCPWMx) -{ - - /* Turn On MCPWM PCLK */ - CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCMC, ENABLE); - /* As default, peripheral clock for MCPWM module - * is set to FCCLK / 2 */ - // CLKPWR_SetPCLKDiv(CLKPWR_PCLKSEL_MC, CLKPWR_PCLKSEL_CCLK_DIV_2); - - MCPWMx->MCCAP_CLR = MCPWM_CAPCLR_CAP(0) | MCPWM_CAPCLR_CAP(1) | MCPWM_CAPCLR_CAP(2); - MCPWMx->MCINTFLAG_CLR = MCPWM_INT_ILIM(0) | MCPWM_INT_ILIM(1) | MCPWM_INT_ILIM(2) \ - | MCPWM_INT_IMAT(0) | MCPWM_INT_IMAT(1) | MCPWM_INT_IMAT(2) \ - | MCPWM_INT_ICAP(0) | MCPWM_INT_ICAP(1) | MCPWM_INT_ICAP(2); - MCPWMx->MCINTEN_CLR = MCPWM_INT_ILIM(0) | MCPWM_INT_ILIM(1) | MCPWM_INT_ILIM(2) \ - | MCPWM_INT_IMAT(0) | MCPWM_INT_IMAT(1) | MCPWM_INT_IMAT(2) \ - | MCPWM_INT_ICAP(0) | MCPWM_INT_ICAP(1) | MCPWM_INT_ICAP(2); -} - - -/*********************************************************************//** - * @brief Configures each channel in MCPWM peripheral according to the - * specified parameters in the MCPWM_CHANNEL_CFG_Type. - * @param[in] MCPWMx Motor Control PWM peripheral selected - * should be: LPC_MCPWM - * @param[in] channelNum Channel number, should be: 0..2. - * @param[in] channelSetup Pointer to a MCPWM_CHANNEL_CFG_Type structure -* that contains the configuration information for the -* specified MCPWM channel. - * @return None - **********************************************************************/ -void MCPWM_ConfigChannel(LPC_MCPWM_TypeDef *MCPWMx, uint32_t channelNum, - MCPWM_CHANNEL_CFG_Type * channelSetup) -{ - if (channelNum <= 2) { - if (channelNum == 0) { - MCPWMx->MCTIM0 = channelSetup->channelTimercounterValue; - MCPWMx->MCPER0 = channelSetup->channelPeriodValue; - MCPWMx->MCPW0 = channelSetup->channelPulsewidthValue; - } else if (channelNum == 1) { - MCPWMx->MCTIM1 = channelSetup->channelTimercounterValue; - MCPWMx->MCPER1 = channelSetup->channelPeriodValue; - MCPWMx->MCPW1 = channelSetup->channelPulsewidthValue; - } else if (channelNum == 2) { - MCPWMx->MCTIM2 = channelSetup->channelTimercounterValue; - MCPWMx->MCPER2 = channelSetup->channelPeriodValue; - MCPWMx->MCPW2 = channelSetup->channelPulsewidthValue; - } else { - return; - } - - if (channelSetup->channelType /* == MCPWM_CHANNEL_CENTER_MODE */){ - MCPWMx->MCCON_SET = MCPWM_CON_CENTER(channelNum); - } else { - MCPWMx->MCCON_CLR = MCPWM_CON_CENTER(channelNum); - } - - if (channelSetup->channelPolarity /* == MCPWM_CHANNEL_PASSIVE_HI */){ - MCPWMx->MCCON_SET = MCPWM_CON_POLAR(channelNum); - } else { - MCPWMx->MCCON_CLR = MCPWM_CON_POLAR(channelNum); - } - - if (channelSetup->channelDeadtimeEnable /* == ENABLE */){ - MCPWMx->MCCON_SET = MCPWM_CON_DTE(channelNum); - MCPWMx->MCDEADTIME &= ~(MCPWM_DT(channelNum, 0x3FF)); - MCPWMx->MCDEADTIME |= MCPWM_DT(channelNum, channelSetup->channelDeadtimeValue); - } else { - MCPWMx->MCCON_CLR = MCPWM_CON_DTE(channelNum); - } - - if (channelSetup->channelUpdateEnable /* == ENABLE */){ - MCPWMx->MCCON_CLR = MCPWM_CON_DISUP(channelNum); - } else { - MCPWMx->MCCON_SET = MCPWM_CON_DISUP(channelNum); - } - } -} - - -/*********************************************************************//** - * @brief Write to MCPWM shadow registers - Update the value for period - * and pulse width in MCPWM peripheral. - * @param[in] MCPWMx Motor Control PWM peripheral selected - * Should be: LPC_MCPWM - * @param[in] channelNum Channel Number, should be: 0..2. - * @param[in] channelSetup Pointer to a MCPWM_CHANNEL_CFG_Type structure -* that contains the configuration information for the -* specified MCPWM channel. - * @return None - **********************************************************************/ -void MCPWM_WriteToShadow(LPC_MCPWM_TypeDef *MCPWMx, uint32_t channelNum, - MCPWM_CHANNEL_CFG_Type *channelSetup) -{ - if (channelNum == 0){ - MCPWMx->MCPER0 = channelSetup->channelPeriodValue; - MCPWMx->MCPW0 = channelSetup->channelPulsewidthValue; - } else if (channelNum == 1) { - MCPWMx->MCPER1 = channelSetup->channelPeriodValue; - MCPWMx->MCPW1 = channelSetup->channelPulsewidthValue; - } else if (channelNum == 2) { - MCPWMx->MCPER2 = channelSetup->channelPeriodValue; - MCPWMx->MCPW2 = channelSetup->channelPulsewidthValue; - } -} - - - -/*********************************************************************//** - * @brief Configures capture function in MCPWM peripheral - * @param[in] MCPWMx Motor Control PWM peripheral selected - * Should be: LPC_MCPWM - * @param[in] channelNum MCI (Motor Control Input pin) number - * Should be: 0..2 - * @param[in] captureConfig Pointer to a MCPWM_CAPTURE_CFG_Type structure -* that contains the configuration information for the -* specified MCPWM capture. - * @return - **********************************************************************/ -void MCPWM_ConfigCapture(LPC_MCPWM_TypeDef *MCPWMx, uint32_t channelNum, - MCPWM_CAPTURE_CFG_Type *captureConfig) -{ - if (channelNum <= 2) { - - if (captureConfig->captureFalling /* == ENABLE */) { - MCPWMx->MCCAPCON_SET = MCPWM_CAPCON_CAPMCI_FE(captureConfig->captureChannel, channelNum); - } else { - MCPWMx->MCCAPCON_CLR = MCPWM_CAPCON_CAPMCI_FE(captureConfig->captureChannel, channelNum); - } - - if (captureConfig->captureRising /* == ENABLE */) { - MCPWMx->MCCAPCON_SET = MCPWM_CAPCON_CAPMCI_RE(captureConfig->captureChannel, channelNum); - } else { - MCPWMx->MCCAPCON_CLR = MCPWM_CAPCON_CAPMCI_RE(captureConfig->captureChannel, channelNum); - } - - if (captureConfig->timerReset /* == ENABLE */){ - MCPWMx->MCCAPCON_SET = MCPWM_CAPCON_RT(captureConfig->captureChannel); - } else { - MCPWMx->MCCAPCON_CLR = MCPWM_CAPCON_RT(captureConfig->captureChannel); - } - - if (captureConfig->hnfEnable /* == ENABLE */){ - MCPWMx->MCCAPCON_SET = MCPWM_CAPCON_HNFCAP(channelNum); - } else { - MCPWMx->MCCAPCON_CLR = MCPWM_CAPCON_HNFCAP(channelNum); - } - } -} - - -/*********************************************************************//** - * @brief Clears current captured value in specified capture channel - * @param[in] MCPWMx Motor Control PWM peripheral selected - * Should be: LPC_MCPWM - * @param[in] captureChannel Capture channel number, should be: 0..2 - * @return None - **********************************************************************/ -void MCPWM_ClearCapture(LPC_MCPWM_TypeDef *MCPWMx, uint32_t captureChannel) -{ - MCPWMx->MCCAP_CLR = MCPWM_CAPCLR_CAP(captureChannel); -} - -/*********************************************************************//** - * @brief Get current captured value in specified capture channel - * @param[in] MCPWMx Motor Control PWM peripheral selected, - * Should be: LPC_MCPWM - * @param[in] captureChannel Capture channel number, should be: 0..2 - * @return None - **********************************************************************/ -uint32_t MCPWM_GetCapture(LPC_MCPWM_TypeDef *MCPWMx, uint32_t captureChannel) -{ - if (captureChannel == 0){ - return (MCPWMx->MCCR0); - } else if (captureChannel == 1) { - return (MCPWMx->MCCR1); - } else if (captureChannel == 2) { - return (MCPWMx->MCCR2); - } - return (0); -} - - -/*********************************************************************//** - * @brief Configures Count control in MCPWM peripheral - * @param[in] MCPWMx Motor Control PWM peripheral selected - * Should be: LPC_MCPWM - * @param[in] channelNum Channel number, should be: 0..2 - * @param[in] countMode Count mode, should be: - * - ENABLE: Enables count mode. - * - DISABLE: Disable count mode, the channel is in timer mode. - * @param[in] countConfig Pointer to a MCPWM_COUNT_CFG_Type structure -* that contains the configuration information for the -* specified MCPWM count control. - * @return None - **********************************************************************/ -void MCPWM_CountConfig(LPC_MCPWM_TypeDef *MCPWMx, uint32_t channelNum, - uint32_t countMode, MCPWM_COUNT_CFG_Type *countConfig) -{ - if (channelNum <= 2) { - if (countMode /* == ENABLE */){ - MCPWMx->MCCNTCON_SET = MCPWM_CNTCON_CNTR(channelNum); - if (countConfig->countFalling /* == ENABLE */) { - MCPWMx->MCCNTCON_SET = MCPWM_CNTCON_TCMCI_FE(countConfig->counterChannel,channelNum); - } else { - MCPWMx->MCCNTCON_CLR = MCPWM_CNTCON_TCMCI_FE(countConfig->counterChannel,channelNum); - } - if (countConfig->countRising /* == ENABLE */) { - MCPWMx->MCCNTCON_SET = MCPWM_CNTCON_TCMCI_RE(countConfig->counterChannel,channelNum); - } else { - MCPWMx->MCCNTCON_CLR = MCPWM_CNTCON_TCMCI_RE(countConfig->counterChannel,channelNum); - } - } else { - MCPWMx->MCCNTCON_CLR = MCPWM_CNTCON_CNTR(channelNum); - } - } -} - - -/*********************************************************************//** - * @brief Start MCPWM activity for each MCPWM channel - * @param[in] MCPWMx Motor Control PWM peripheral selected - * Should be: LPC_MCPWM - * @param[in] channel0 State of this command on channel 0: - * - ENABLE: 'Start' command will effect on channel 0 - * - DISABLE: 'Start' command will not effect on channel 0 - * @param[in] channel1 State of this command on channel 1: - * - ENABLE: 'Start' command will effect on channel 1 - * - DISABLE: 'Start' command will not effect on channel 1 - * @param[in] channel2 State of this command on channel 2: - * - ENABLE: 'Start' command will effect on channel 2 - * - DISABLE: 'Start' command will not effect on channel 2 - * @return None - **********************************************************************/ -void MCPWM_Start(LPC_MCPWM_TypeDef *MCPWMx, uint32_t channel0, - uint32_t channel1, uint32_t channel2) -{ - uint32_t regVal = 0; - regVal = (channel0 ? MCPWM_CON_RUN(0) : 0) | (channel1 ? MCPWM_CON_RUN(1) : 0) \ - | (channel2 ? MCPWM_CON_RUN(2) : 0); - MCPWMx->MCCON_SET = regVal; -} - - -/*********************************************************************//** - * @brief Stop MCPWM activity for each MCPWM channel - * @param[in] MCPWMx Motor Control PWM peripheral selected - * Should be: LPC_MCPWM - * @param[in] channel0 State of this command on channel 0: - * - ENABLE: 'Stop' command will effect on channel 0 - * - DISABLE: 'Stop' command will not effect on channel 0 - * @param[in] channel1 State of this command on channel 1: - * - ENABLE: 'Stop' command will effect on channel 1 - * - DISABLE: 'Stop' command will not effect on channel 1 - * @param[in] channel2 State of this command on channel 2: - * - ENABLE: 'Stop' command will effect on channel 2 - * - DISABLE: 'Stop' command will not effect on channel 2 - * @return None - **********************************************************************/ -void MCPWM_Stop(LPC_MCPWM_TypeDef *MCPWMx, uint32_t channel0, - uint32_t channel1, uint32_t channel2) -{ - uint32_t regVal = 0; - regVal = (channel0 ? MCPWM_CON_RUN(0) : 0) | (channel1 ? MCPWM_CON_RUN(1) : 0) \ - | (channel2 ? MCPWM_CON_RUN(2) : 0); - MCPWMx->MCCON_CLR = regVal; -} - - -/*********************************************************************//** - * @brief Enables/Disables 3-phase AC motor mode on MCPWM peripheral - * @param[in] MCPWMx Motor Control PWM peripheral selected - * Should be: LPC_MCPWM - * @param[in] acMode State of this command, should be: - * - ENABLE. - * - DISABLE. - * @return None - **********************************************************************/ -void MCPWM_ACMode(LPC_MCPWM_TypeDef *MCPWMx, uint32_t acMode) -{ - if (acMode){ - MCPWMx->MCCON_SET = MCPWM_CON_ACMODE; - } else { - MCPWMx->MCCON_CLR = MCPWM_CON_ACMODE; - } -} - - -/*********************************************************************//** - * @brief Enables/Disables 3-phase DC motor mode on MCPWM peripheral - * @param[in] MCPWMx Motor Control PWM peripheral selected - * Should be: LPC_MCPWM - * @param[in] dcMode State of this command, should be: - * - ENABLE. - * - DISABLE. - * @param[in] outputInvered Polarity of the MCOB outputs for all 3 channels, - * should be: - * - ENABLE: The MCOB outputs have opposite polarity - * from the MCOA outputs. - * - DISABLE: The MCOB outputs have the same basic - * polarity as the MCOA outputs. - * @param[in] outputPattern A value contains bits that enables/disables the specified - * output pins route to the internal MCOA0 signal, should be: - - MCPWM_PATENT_A0: MCOA0 tracks internal MCOA0 - - MCPWM_PATENT_B0: MCOB0 tracks internal MCOA0 - - MCPWM_PATENT_A1: MCOA1 tracks internal MCOA0 - - MCPWM_PATENT_B1: MCOB1 tracks internal MCOA0 - - MCPWM_PATENT_A2: MCOA2 tracks internal MCOA0 - - MCPWM_PATENT_B2: MCOB2 tracks internal MCOA0 - * @return None - * - * Note: all these outputPatent values above can be ORed together for using as input parameter. - **********************************************************************/ -void MCPWM_DCMode(LPC_MCPWM_TypeDef *MCPWMx, uint32_t dcMode, - uint32_t outputInvered, uint32_t outputPattern) -{ - if (dcMode){ - MCPWMx->MCCON_SET = MCPWM_CON_DCMODE; - } else { - MCPWMx->MCCON_CLR = MCPWM_CON_DCMODE; - } - - if (outputInvered) { - MCPWMx->MCCON_SET = MCPWM_CON_INVBDC; - } else { - MCPWMx->MCCON_CLR = MCPWM_CON_INVBDC; - } - - MCPWMx->MCCCP = outputPattern; -} - - -/*********************************************************************//** - * @brief Configures the specified interrupt in MCPWM peripheral - * @param[in] MCPWMx Motor Control PWM peripheral selected - * Should be: LPC_MCPWM - * @param[in] ulIntType Interrupt type, should be: - * - MCPWM_INTFLAG_LIM0: Limit interrupt for channel (0) - * - MCPWM_INTFLAG_MAT0: Match interrupt for channel (0) - * - MCPWM_INTFLAG_CAP0: Capture interrupt for channel (0) - * - MCPWM_INTFLAG_LIM1: Limit interrupt for channel (1) - * - MCPWM_INTFLAG_MAT1: Match interrupt for channel (1) - * - MCPWM_INTFLAG_CAP1: Capture interrupt for channel (1) - * - MCPWM_INTFLAG_LIM2: Limit interrupt for channel (2) - * - MCPWM_INTFLAG_MAT2: Match interrupt for channel (2) - * - MCPWM_INTFLAG_CAP2: Capture interrupt for channel (2) - * - MCPWM_INTFLAG_ABORT: Fast abort interrupt - * @param[in] NewState New State of this command, should be: - * - ENABLE. - * - DISABLE. - * @return None - * - * Note: all these ulIntType values above can be ORed together for using as input parameter. - **********************************************************************/ -void MCPWM_IntConfig(LPC_MCPWM_TypeDef *MCPWMx, uint32_t ulIntType, FunctionalState NewState) -{ - if (NewState) { - MCPWMx->MCINTEN_SET = ulIntType; - } else { - MCPWMx->MCINTEN_CLR = ulIntType; - } -} - - -/*********************************************************************//** - * @brief Sets/Forces the specified interrupt for MCPWM peripheral - * @param[in] MCPWMx Motor Control PWM peripheral selected - * Should be LPC_MCPWM - * @param[in] ulIntType Interrupt type, should be: - * - MCPWM_INTFLAG_LIM0: Limit interrupt for channel (0) - * - MCPWM_INTFLAG_MAT0: Match interrupt for channel (0) - * - MCPWM_INTFLAG_CAP0: Capture interrupt for channel (0) - * - MCPWM_INTFLAG_LIM1: Limit interrupt for channel (1) - * - MCPWM_INTFLAG_MAT1: Match interrupt for channel (1) - * - MCPWM_INTFLAG_CAP1: Capture interrupt for channel (1) - * - MCPWM_INTFLAG_LIM2: Limit interrupt for channel (2) - * - MCPWM_INTFLAG_MAT2: Match interrupt for channel (2) - * - MCPWM_INTFLAG_CAP2: Capture interrupt for channel (2) - * - MCPWM_INTFLAG_ABORT: Fast abort interrupt - * @return None - * Note: all these ulIntType values above can be ORed together for using as input parameter. - **********************************************************************/ -void MCPWM_IntSet(LPC_MCPWM_TypeDef *MCPWMx, uint32_t ulIntType) -{ - MCPWMx->MCINTFLAG_SET = ulIntType; -} - - -/*********************************************************************//** - * @brief Clear the specified interrupt pending for MCPWM peripheral - * @param[in] MCPWMx Motor Control PWM peripheral selected, - * should be: LPC_MCPWM - * @param[in] ulIntType Interrupt type, should be: - * - MCPWM_INTFLAG_LIM0: Limit interrupt for channel (0) - * - MCPWM_INTFLAG_MAT0: Match interrupt for channel (0) - * - MCPWM_INTFLAG_CAP0: Capture interrupt for channel (0) - * - MCPWM_INTFLAG_LIM1: Limit interrupt for channel (1) - * - MCPWM_INTFLAG_MAT1: Match interrupt for channel (1) - * - MCPWM_INTFLAG_CAP1: Capture interrupt for channel (1) - * - MCPWM_INTFLAG_LIM2: Limit interrupt for channel (2) - * - MCPWM_INTFLAG_MAT2: Match interrupt for channel (2) - * - MCPWM_INTFLAG_CAP2: Capture interrupt for channel (2) - * - MCPWM_INTFLAG_ABORT: Fast abort interrupt - * @return None - * Note: all these ulIntType values above can be ORed together for using as input parameter. - **********************************************************************/ -void MCPWM_IntClear(LPC_MCPWM_TypeDef *MCPWMx, uint32_t ulIntType) -{ - MCPWMx->MCINTFLAG_CLR = ulIntType; -} - - -/*********************************************************************//** - * @brief Check whether if the specified interrupt in MCPWM is set or not - * @param[in] MCPWMx Motor Control PWM peripheral selected, - * should be: LPC_MCPWM - * @param[in] ulIntType Interrupt type, should be: - * - MCPWM_INTFLAG_LIM0: Limit interrupt for channel (0) - * - MCPWM_INTFLAG_MAT0: Match interrupt for channel (0) - * - MCPWM_INTFLAG_CAP0: Capture interrupt for channel (0) - * - MCPWM_INTFLAG_LIM1: Limit interrupt for channel (1) - * - MCPWM_INTFLAG_MAT1: Match interrupt for channel (1) - * - MCPWM_INTFLAG_CAP1: Capture interrupt for channel (1) - * - MCPWM_INTFLAG_LIM2: Limit interrupt for channel (2) - * - MCPWM_INTFLAG_MAT2: Match interrupt for channel (2) - * - MCPWM_INTFLAG_CAP2: Capture interrupt for channel (2) - * - MCPWM_INTFLAG_ABORT: Fast abort interrupt - * @return None - **********************************************************************/ -FlagStatus MCPWM_GetIntStatus(LPC_MCPWM_TypeDef *MCPWMx, uint32_t ulIntType) -{ - return ((MCPWMx->MCINTFLAG & ulIntType) ? SET : RESET); -} - -/** - * @} - */ - -#endif /* _MCPWM */ - -/** - * @} - */ - -/* --------------------------------- End Of File ------------------------------ */ -#endif /* __LPC17XX__ */