Michael Spencer / Smoothie

Fork of Smoothie to port to mbed non-LPC targets.

Dependencies:   mbed

Fork of Smoothie by Stéphane Cachat

libs/LPC17xx/LPC17xxLib/src/lpc17xx_timer.c@2:1df0b61d3b5a, 2014-02-28 (annotated)

Committer:
Michael J. Spencer
Date:
Fri Feb 28 18:52:52 2014 -0800
Revision:
2:1df0b61d3b5a
Update to latest Smoothie.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Michael J. Spencer 2:1df0b61d3b5a 1 #ifdef __LPC17XX__
Michael J. Spencer 2:1df0b61d3b5a 2
Michael J. Spencer 2:1df0b61d3b5a 3 /**********************************************************************
Michael J. Spencer 2:1df0b61d3b5a 4 * $Id$ lpc17xx_timer.c 2011-03-10
Michael J. Spencer 2:1df0b61d3b5a 5 *//**
Michael J. Spencer 2:1df0b61d3b5a 6 * @file lpc17xx_timer.c
Michael J. Spencer 2:1df0b61d3b5a 7 * @brief Contains all functions support for Timer firmware library
Michael J. Spencer 2:1df0b61d3b5a 8 * on LPC17xx
Michael J. Spencer 2:1df0b61d3b5a 9 * @version 3.1
Michael J. Spencer 2:1df0b61d3b5a 10 * @date 10. March. 2011
Michael J. Spencer 2:1df0b61d3b5a 11 * @author NXP MCU SW Application Team
Michael J. Spencer 2:1df0b61d3b5a 12 *
Michael J. Spencer 2:1df0b61d3b5a 13 * Copyright(C) 2011, NXP Semiconductor
Michael J. Spencer 2:1df0b61d3b5a 14 * All rights reserved.
Michael J. Spencer 2:1df0b61d3b5a 15 *
Michael J. Spencer 2:1df0b61d3b5a 16 ***********************************************************************
Michael J. Spencer 2:1df0b61d3b5a 17 * Software that is described herein is for illustrative purposes only
Michael J. Spencer 2:1df0b61d3b5a 18 * which provides customers with programming information regarding the
Michael J. Spencer 2:1df0b61d3b5a 19 * products. This software is supplied "AS IS" without any warranties.
Michael J. Spencer 2:1df0b61d3b5a 20 * NXP Semiconductors assumes no responsibility or liability for the
Michael J. Spencer 2:1df0b61d3b5a 21 * use of the software, conveys no license or title under any patent,
Michael J. Spencer 2:1df0b61d3b5a 22 * copyright, or mask work right to the product. NXP Semiconductors
Michael J. Spencer 2:1df0b61d3b5a 23 * reserves the right to make changes in the software without
Michael J. Spencer 2:1df0b61d3b5a 24 * notification. NXP Semiconductors also make no representation or
Michael J. Spencer 2:1df0b61d3b5a 25 * warranty that such application will be suitable for the specified
Michael J. Spencer 2:1df0b61d3b5a 26 * use without further testing or modification.
Michael J. Spencer 2:1df0b61d3b5a 27 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 28
Michael J. Spencer 2:1df0b61d3b5a 29 /* Peripheral group ----------------------------------------------------------- */
Michael J. Spencer 2:1df0b61d3b5a 30 /** @addtogroup TIM
Michael J. Spencer 2:1df0b61d3b5a 31 * @{
Michael J. Spencer 2:1df0b61d3b5a 32 */
Michael J. Spencer 2:1df0b61d3b5a 33
Michael J. Spencer 2:1df0b61d3b5a 34 /* Includes ------------------------------------------------------------------- */
Michael J. Spencer 2:1df0b61d3b5a 35 #include "lpc17xx_timer.h"
Michael J. Spencer 2:1df0b61d3b5a 36 #include "lpc17xx_clkpwr.h"
Michael J. Spencer 2:1df0b61d3b5a 37 #include "lpc17xx_pinsel.h"
Michael J. Spencer 2:1df0b61d3b5a 38
Michael J. Spencer 2:1df0b61d3b5a 39 /* If this source file built with example, the LPC17xx FW library configuration
Michael J. Spencer 2:1df0b61d3b5a 40 * file in each example directory ("lpc17xx_libcfg.h") must be included,
Michael J. Spencer 2:1df0b61d3b5a 41 * otherwise the default FW library configuration file must be included instead
Michael J. Spencer 2:1df0b61d3b5a 42 */
Michael J. Spencer 2:1df0b61d3b5a 43 #ifdef __BUILD_WITH_EXAMPLE__
Michael J. Spencer 2:1df0b61d3b5a 44 #include "lpc17xx_libcfg.h"
Michael J. Spencer 2:1df0b61d3b5a 45 #else
Michael J. Spencer 2:1df0b61d3b5a 46 #include "lpc17xx_libcfg_default.h"
Michael J. Spencer 2:1df0b61d3b5a 47 #endif /* __BUILD_WITH_EXAMPLE__ */
Michael J. Spencer 2:1df0b61d3b5a 48
Michael J. Spencer 2:1df0b61d3b5a 49 #ifdef _TIM
Michael J. Spencer 2:1df0b61d3b5a 50
Michael J. Spencer 2:1df0b61d3b5a 51 /* Private Functions ---------------------------------------------------------- */
Michael J. Spencer 2:1df0b61d3b5a 52
Michael J. Spencer 2:1df0b61d3b5a 53 static uint32_t getPClock (uint32_t timernum);
Michael J. Spencer 2:1df0b61d3b5a 54 static uint32_t converUSecToVal (uint32_t timernum, uint32_t usec);
Michael J. Spencer 2:1df0b61d3b5a 55 static uint32_t converPtrToTimeNum (LPC_TIM_TypeDef *TIMx);
Michael J. Spencer 2:1df0b61d3b5a 56
Michael J. Spencer 2:1df0b61d3b5a 57
Michael J. Spencer 2:1df0b61d3b5a 58 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 59 * @brief Get peripheral clock of each timer controller
Michael J. Spencer 2:1df0b61d3b5a 60 * @param[in] timernum Timer number
Michael J. Spencer 2:1df0b61d3b5a 61 * @return Peripheral clock of timer
Michael J. Spencer 2:1df0b61d3b5a 62 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 63 static uint32_t getPClock (uint32_t timernum)
Michael J. Spencer 2:1df0b61d3b5a 64 {
Michael J. Spencer 2:1df0b61d3b5a 65 uint32_t clkdlycnt = 0;
Michael J. Spencer 2:1df0b61d3b5a 66 switch (timernum)
Michael J. Spencer 2:1df0b61d3b5a 67 {
Michael J. Spencer 2:1df0b61d3b5a 68 case 0:
Michael J. Spencer 2:1df0b61d3b5a 69 clkdlycnt = CLKPWR_GetPCLK (CLKPWR_PCLKSEL_TIMER0);
Michael J. Spencer 2:1df0b61d3b5a 70 break;
Michael J. Spencer 2:1df0b61d3b5a 71
Michael J. Spencer 2:1df0b61d3b5a 72 case 1:
Michael J. Spencer 2:1df0b61d3b5a 73 clkdlycnt = CLKPWR_GetPCLK (CLKPWR_PCLKSEL_TIMER1);
Michael J. Spencer 2:1df0b61d3b5a 74 break;
Michael J. Spencer 2:1df0b61d3b5a 75
Michael J. Spencer 2:1df0b61d3b5a 76 case 2:
Michael J. Spencer 2:1df0b61d3b5a 77 clkdlycnt = CLKPWR_GetPCLK (CLKPWR_PCLKSEL_TIMER2);
Michael J. Spencer 2:1df0b61d3b5a 78 break;
Michael J. Spencer 2:1df0b61d3b5a 79
Michael J. Spencer 2:1df0b61d3b5a 80 case 3:
Michael J. Spencer 2:1df0b61d3b5a 81 clkdlycnt = CLKPWR_GetPCLK (CLKPWR_PCLKSEL_TIMER3);
Michael J. Spencer 2:1df0b61d3b5a 82 break;
Michael J. Spencer 2:1df0b61d3b5a 83 }
Michael J. Spencer 2:1df0b61d3b5a 84 return clkdlycnt;
Michael J. Spencer 2:1df0b61d3b5a 85 }
Michael J. Spencer 2:1df0b61d3b5a 86
Michael J. Spencer 2:1df0b61d3b5a 87
Michael J. Spencer 2:1df0b61d3b5a 88 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 89 * @brief Convert a time to a timer count value
Michael J. Spencer 2:1df0b61d3b5a 90 * @param[in] timernum Timer number
Michael J. Spencer 2:1df0b61d3b5a 91 * @param[in] usec Time in microseconds
Michael J. Spencer 2:1df0b61d3b5a 92 * @return The number of required clock ticks to give the time delay
Michael J. Spencer 2:1df0b61d3b5a 93 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 94 uint32_t converUSecToVal (uint32_t timernum, uint32_t usec)
Michael J. Spencer 2:1df0b61d3b5a 95 {
Michael J. Spencer 2:1df0b61d3b5a 96 uint64_t clkdlycnt;
Michael J. Spencer 2:1df0b61d3b5a 97
Michael J. Spencer 2:1df0b61d3b5a 98 // Get Pclock of timer
Michael J. Spencer 2:1df0b61d3b5a 99 clkdlycnt = (uint64_t) getPClock(timernum);
Michael J. Spencer 2:1df0b61d3b5a 100
Michael J. Spencer 2:1df0b61d3b5a 101 clkdlycnt = (clkdlycnt * usec) / 1000000;
Michael J. Spencer 2:1df0b61d3b5a 102 return (uint32_t) clkdlycnt;
Michael J. Spencer 2:1df0b61d3b5a 103 }
Michael J. Spencer 2:1df0b61d3b5a 104
Michael J. Spencer 2:1df0b61d3b5a 105
Michael J. Spencer 2:1df0b61d3b5a 106 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 107 * @brief Convert a timer register pointer to a timer number
Michael J. Spencer 2:1df0b61d3b5a 108 * @param[in] TIMx Pointer to LPC_TIM_TypeDef, should be:
Michael J. Spencer 2:1df0b61d3b5a 109 * - LPC_TIM0: TIMER0 peripheral
Michael J. Spencer 2:1df0b61d3b5a 110 * - LPC_TIM1: TIMER1 peripheral
Michael J. Spencer 2:1df0b61d3b5a 111 * - LPC_TIM2: TIMER2 peripheral
Michael J. Spencer 2:1df0b61d3b5a 112 * - LPC_TIM3: TIMER3 peripheral
Michael J. Spencer 2:1df0b61d3b5a 113 * @return The timer number (0 to 3) or -1 if register pointer is bad
Michael J. Spencer 2:1df0b61d3b5a 114 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 115 uint32_t converPtrToTimeNum (LPC_TIM_TypeDef *TIMx)
Michael J. Spencer 2:1df0b61d3b5a 116 {
Michael J. Spencer 2:1df0b61d3b5a 117 uint32_t tnum = (uint32_t)-1;
Michael J. Spencer 2:1df0b61d3b5a 118
Michael J. Spencer 2:1df0b61d3b5a 119 if (TIMx == LPC_TIM0)
Michael J. Spencer 2:1df0b61d3b5a 120 {
Michael J. Spencer 2:1df0b61d3b5a 121 tnum = 0;
Michael J. Spencer 2:1df0b61d3b5a 122 }
Michael J. Spencer 2:1df0b61d3b5a 123 else if (TIMx == LPC_TIM1)
Michael J. Spencer 2:1df0b61d3b5a 124 {
Michael J. Spencer 2:1df0b61d3b5a 125 tnum = 1;
Michael J. Spencer 2:1df0b61d3b5a 126 }
Michael J. Spencer 2:1df0b61d3b5a 127 else if (TIMx == LPC_TIM2)
Michael J. Spencer 2:1df0b61d3b5a 128 {
Michael J. Spencer 2:1df0b61d3b5a 129 tnum = 2;
Michael J. Spencer 2:1df0b61d3b5a 130 }
Michael J. Spencer 2:1df0b61d3b5a 131 else if (TIMx == LPC_TIM3)
Michael J. Spencer 2:1df0b61d3b5a 132 {
Michael J. Spencer 2:1df0b61d3b5a 133 tnum = 3;
Michael J. Spencer 2:1df0b61d3b5a 134 }
Michael J. Spencer 2:1df0b61d3b5a 135
Michael J. Spencer 2:1df0b61d3b5a 136 return tnum;
Michael J. Spencer 2:1df0b61d3b5a 137 }
Michael J. Spencer 2:1df0b61d3b5a 138
Michael J. Spencer 2:1df0b61d3b5a 139 /* End of Private Functions ---------------------------------------------------- */
Michael J. Spencer 2:1df0b61d3b5a 140
Michael J. Spencer 2:1df0b61d3b5a 141
Michael J. Spencer 2:1df0b61d3b5a 142 /* Public Functions ----------------------------------------------------------- */
Michael J. Spencer 2:1df0b61d3b5a 143 /** @addtogroup TIM_Public_Functions
Michael J. Spencer 2:1df0b61d3b5a 144 * @{
Michael J. Spencer 2:1df0b61d3b5a 145 */
Michael J. Spencer 2:1df0b61d3b5a 146
Michael J. Spencer 2:1df0b61d3b5a 147 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 148 * @brief Get Interrupt Status
Michael J. Spencer 2:1df0b61d3b5a 149 * @param[in] TIMx Timer selection, should be:
Michael J. Spencer 2:1df0b61d3b5a 150 * - LPC_TIM0: TIMER0 peripheral
Michael J. Spencer 2:1df0b61d3b5a 151 * - LPC_TIM1: TIMER1 peripheral
Michael J. Spencer 2:1df0b61d3b5a 152 * - LPC_TIM2: TIMER2 peripheral
Michael J. Spencer 2:1df0b61d3b5a 153 * - LPC_TIM3: TIMER3 peripheral
Michael J. Spencer 2:1df0b61d3b5a 154 * @param[in] IntFlag: interrupt type, should be:
Michael J. Spencer 2:1df0b61d3b5a 155 * - TIM_MR0_INT: Interrupt for Match channel 0
Michael J. Spencer 2:1df0b61d3b5a 156 * - TIM_MR1_INT: Interrupt for Match channel 1
Michael J. Spencer 2:1df0b61d3b5a 157 * - TIM_MR2_INT: Interrupt for Match channel 2
Michael J. Spencer 2:1df0b61d3b5a 158 * - TIM_MR3_INT: Interrupt for Match channel 3
Michael J. Spencer 2:1df0b61d3b5a 159 * - TIM_CR0_INT: Interrupt for Capture channel 0
Michael J. Spencer 2:1df0b61d3b5a 160 * - TIM_CR1_INT: Interrupt for Capture channel 1
Michael J. Spencer 2:1df0b61d3b5a 161 * @return FlagStatus
Michael J. Spencer 2:1df0b61d3b5a 162 * - SET : interrupt
Michael J. Spencer 2:1df0b61d3b5a 163 * - RESET : no interrupt
Michael J. Spencer 2:1df0b61d3b5a 164 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 165 FlagStatus TIM_GetIntStatus(LPC_TIM_TypeDef *TIMx, TIM_INT_TYPE IntFlag)
Michael J. Spencer 2:1df0b61d3b5a 166 {
Michael J. Spencer 2:1df0b61d3b5a 167 uint8_t temp;
Michael J. Spencer 2:1df0b61d3b5a 168 CHECK_PARAM(PARAM_TIMx(TIMx));
Michael J. Spencer 2:1df0b61d3b5a 169 CHECK_PARAM(PARAM_TIM_INT_TYPE(IntFlag));
Michael J. Spencer 2:1df0b61d3b5a 170 temp = (TIMx->IR)& TIM_IR_CLR(IntFlag);
Michael J. Spencer 2:1df0b61d3b5a 171 if (temp)
Michael J. Spencer 2:1df0b61d3b5a 172 return SET;
Michael J. Spencer 2:1df0b61d3b5a 173
Michael J. Spencer 2:1df0b61d3b5a 174 return RESET;
Michael J. Spencer 2:1df0b61d3b5a 175
Michael J. Spencer 2:1df0b61d3b5a 176 }
Michael J. Spencer 2:1df0b61d3b5a 177 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 178 * @brief Get Capture Interrupt Status
Michael J. Spencer 2:1df0b61d3b5a 179 * @param[in] TIMx Timer selection, should be:
Michael J. Spencer 2:1df0b61d3b5a 180 * - LPC_TIM0: TIMER0 peripheral
Michael J. Spencer 2:1df0b61d3b5a 181 * - LPC_TIM1: TIMER1 peripheral
Michael J. Spencer 2:1df0b61d3b5a 182 * - LPC_TIM2: TIMER2 peripheral
Michael J. Spencer 2:1df0b61d3b5a 183 * - LPC_TIM3: TIMER3 peripheral
Michael J. Spencer 2:1df0b61d3b5a 184 * @param[in] IntFlag: interrupt type, should be:
Michael J. Spencer 2:1df0b61d3b5a 185 * - TIM_MR0_INT: Interrupt for Match channel 0
Michael J. Spencer 2:1df0b61d3b5a 186 * - TIM_MR1_INT: Interrupt for Match channel 1
Michael J. Spencer 2:1df0b61d3b5a 187 * - TIM_MR2_INT: Interrupt for Match channel 2
Michael J. Spencer 2:1df0b61d3b5a 188 * - TIM_MR3_INT: Interrupt for Match channel 3
Michael J. Spencer 2:1df0b61d3b5a 189 * - TIM_CR0_INT: Interrupt for Capture channel 0
Michael J. Spencer 2:1df0b61d3b5a 190 * - TIM_CR1_INT: Interrupt for Capture channel 1
Michael J. Spencer 2:1df0b61d3b5a 191 * @return FlagStatus
Michael J. Spencer 2:1df0b61d3b5a 192 * - SET : interrupt
Michael J. Spencer 2:1df0b61d3b5a 193 * - RESET : no interrupt
Michael J. Spencer 2:1df0b61d3b5a 194 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 195 FlagStatus TIM_GetIntCaptureStatus(LPC_TIM_TypeDef *TIMx, TIM_INT_TYPE IntFlag)
Michael J. Spencer 2:1df0b61d3b5a 196 {
Michael J. Spencer 2:1df0b61d3b5a 197 uint8_t temp;
Michael J. Spencer 2:1df0b61d3b5a 198 CHECK_PARAM(PARAM_TIMx(TIMx));
Michael J. Spencer 2:1df0b61d3b5a 199 CHECK_PARAM(PARAM_TIM_INT_TYPE(IntFlag));
Michael J. Spencer 2:1df0b61d3b5a 200 temp = (TIMx->IR) & (1<<(4+IntFlag));
Michael J. Spencer 2:1df0b61d3b5a 201 if(temp)
Michael J. Spencer 2:1df0b61d3b5a 202 return SET;
Michael J. Spencer 2:1df0b61d3b5a 203 return RESET;
Michael J. Spencer 2:1df0b61d3b5a 204 }
Michael J. Spencer 2:1df0b61d3b5a 205 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 206 * @brief Clear Interrupt pending
Michael J. Spencer 2:1df0b61d3b5a 207 * @param[in] TIMx Timer selection, should be:
Michael J. Spencer 2:1df0b61d3b5a 208 * - LPC_TIM0: TIMER0 peripheral
Michael J. Spencer 2:1df0b61d3b5a 209 * - LPC_TIM1: TIMER1 peripheral
Michael J. Spencer 2:1df0b61d3b5a 210 * - LPC_TIM2: TIMER2 peripheral
Michael J. Spencer 2:1df0b61d3b5a 211 * - LPC_TIM3: TIMER3 peripheral
Michael J. Spencer 2:1df0b61d3b5a 212 * @param[in] IntFlag: interrupt type, should be:
Michael J. Spencer 2:1df0b61d3b5a 213 * - TIM_MR0_INT: Interrupt for Match channel 0
Michael J. Spencer 2:1df0b61d3b5a 214 * - TIM_MR1_INT: Interrupt for Match channel 1
Michael J. Spencer 2:1df0b61d3b5a 215 * - TIM_MR2_INT: Interrupt for Match channel 2
Michael J. Spencer 2:1df0b61d3b5a 216 * - TIM_MR3_INT: Interrupt for Match channel 3
Michael J. Spencer 2:1df0b61d3b5a 217 * - TIM_CR0_INT: Interrupt for Capture channel 0
Michael J. Spencer 2:1df0b61d3b5a 218 * - TIM_CR1_INT: Interrupt for Capture channel 1
Michael J. Spencer 2:1df0b61d3b5a 219 * @return None
Michael J. Spencer 2:1df0b61d3b5a 220 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 221 void TIM_ClearIntPending(LPC_TIM_TypeDef *TIMx, TIM_INT_TYPE IntFlag)
Michael J. Spencer 2:1df0b61d3b5a 222 {
Michael J. Spencer 2:1df0b61d3b5a 223 CHECK_PARAM(PARAM_TIMx(TIMx));
Michael J. Spencer 2:1df0b61d3b5a 224 CHECK_PARAM(PARAM_TIM_INT_TYPE(IntFlag));
Michael J. Spencer 2:1df0b61d3b5a 225 TIMx->IR = TIM_IR_CLR(IntFlag);
Michael J. Spencer 2:1df0b61d3b5a 226 }
Michael J. Spencer 2:1df0b61d3b5a 227
Michael J. Spencer 2:1df0b61d3b5a 228 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 229 * @brief Clear Capture Interrupt pending
Michael J. Spencer 2:1df0b61d3b5a 230 * @param[in] TIMx Timer selection, should be
Michael J. Spencer 2:1df0b61d3b5a 231 * - LPC_TIM0: TIMER0 peripheral
Michael J. Spencer 2:1df0b61d3b5a 232 * - LPC_TIM1: TIMER1 peripheral
Michael J. Spencer 2:1df0b61d3b5a 233 * - LPC_TIM2: TIMER2 peripheral
Michael J. Spencer 2:1df0b61d3b5a 234 * - LPC_TIM3: TIMER3 peripheral
Michael J. Spencer 2:1df0b61d3b5a 235 * @param[in] IntFlag interrupt type, should be:
Michael J. Spencer 2:1df0b61d3b5a 236 * - TIM_MR0_INT: Interrupt for Match channel 0
Michael J. Spencer 2:1df0b61d3b5a 237 * - TIM_MR1_INT: Interrupt for Match channel 1
Michael J. Spencer 2:1df0b61d3b5a 238 * - TIM_MR2_INT: Interrupt for Match channel 2
Michael J. Spencer 2:1df0b61d3b5a 239 * - TIM_MR3_INT: Interrupt for Match channel 3
Michael J. Spencer 2:1df0b61d3b5a 240 * - TIM_CR0_INT: Interrupt for Capture channel 0
Michael J. Spencer 2:1df0b61d3b5a 241 * - TIM_CR1_INT: Interrupt for Capture channel 1
Michael J. Spencer 2:1df0b61d3b5a 242 * @return None
Michael J. Spencer 2:1df0b61d3b5a 243 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 244 void TIM_ClearIntCapturePending(LPC_TIM_TypeDef *TIMx, TIM_INT_TYPE IntFlag)
Michael J. Spencer 2:1df0b61d3b5a 245 {
Michael J. Spencer 2:1df0b61d3b5a 246 CHECK_PARAM(PARAM_TIMx(TIMx));
Michael J. Spencer 2:1df0b61d3b5a 247 CHECK_PARAM(PARAM_TIM_INT_TYPE(IntFlag));
Michael J. Spencer 2:1df0b61d3b5a 248 TIMx->IR = (1<<(4+IntFlag));
Michael J. Spencer 2:1df0b61d3b5a 249 }
Michael J. Spencer 2:1df0b61d3b5a 250
Michael J. Spencer 2:1df0b61d3b5a 251 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 252 * @brief Configuration for Timer at initial time
Michael J. Spencer 2:1df0b61d3b5a 253 * @param[in] TimerCounterMode timer counter mode, should be:
Michael J. Spencer 2:1df0b61d3b5a 254 * - TIM_TIMER_MODE: Timer mode
Michael J. Spencer 2:1df0b61d3b5a 255 * - TIM_COUNTER_RISING_MODE: Counter rising mode
Michael J. Spencer 2:1df0b61d3b5a 256 * - TIM_COUNTER_FALLING_MODE: Counter falling mode
Michael J. Spencer 2:1df0b61d3b5a 257 * - TIM_COUNTER_ANY_MODE:Counter on both edges
Michael J. Spencer 2:1df0b61d3b5a 258 * @param[in] TIM_ConfigStruct pointer to TIM_TIMERCFG_Type or
Michael J. Spencer 2:1df0b61d3b5a 259 * TIM_COUNTERCFG_Type
Michael J. Spencer 2:1df0b61d3b5a 260 * @return None
Michael J. Spencer 2:1df0b61d3b5a 261 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 262 void TIM_ConfigStructInit(TIM_MODE_OPT TimerCounterMode, void *TIM_ConfigStruct)
Michael J. Spencer 2:1df0b61d3b5a 263 {
Michael J. Spencer 2:1df0b61d3b5a 264 if (TimerCounterMode == TIM_TIMER_MODE )
Michael J. Spencer 2:1df0b61d3b5a 265 {
Michael J. Spencer 2:1df0b61d3b5a 266 TIM_TIMERCFG_Type * pTimeCfg = (TIM_TIMERCFG_Type *)TIM_ConfigStruct;
Michael J. Spencer 2:1df0b61d3b5a 267 pTimeCfg->PrescaleOption = TIM_PRESCALE_USVAL;
Michael J. Spencer 2:1df0b61d3b5a 268 pTimeCfg->PrescaleValue = 1;
Michael J. Spencer 2:1df0b61d3b5a 269 }
Michael J. Spencer 2:1df0b61d3b5a 270 else
Michael J. Spencer 2:1df0b61d3b5a 271 {
Michael J. Spencer 2:1df0b61d3b5a 272 TIM_COUNTERCFG_Type * pCounterCfg = (TIM_COUNTERCFG_Type *)TIM_ConfigStruct;
Michael J. Spencer 2:1df0b61d3b5a 273 pCounterCfg->CountInputSelect = TIM_COUNTER_INCAP0;
Michael J. Spencer 2:1df0b61d3b5a 274 }
Michael J. Spencer 2:1df0b61d3b5a 275 }
Michael J. Spencer 2:1df0b61d3b5a 276
Michael J. Spencer 2:1df0b61d3b5a 277 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 278 * @brief Initial Timer/Counter device
Michael J. Spencer 2:1df0b61d3b5a 279 * Set Clock frequency for Timer
Michael J. Spencer 2:1df0b61d3b5a 280 * Set initial configuration for Timer
Michael J. Spencer 2:1df0b61d3b5a 281 * @param[in] TIMx Timer selection, should be:
Michael J. Spencer 2:1df0b61d3b5a 282 * - LPC_TIM0: TIMER0 peripheral
Michael J. Spencer 2:1df0b61d3b5a 283 * - LPC_TIM1: TIMER1 peripheral
Michael J. Spencer 2:1df0b61d3b5a 284 * - LPC_TIM2: TIMER2 peripheral
Michael J. Spencer 2:1df0b61d3b5a 285 * - LPC_TIM3: TIMER3 peripheral
Michael J. Spencer 2:1df0b61d3b5a 286 * @param[in] TimerCounterMode Timer counter mode, should be:
Michael J. Spencer 2:1df0b61d3b5a 287 * - TIM_TIMER_MODE: Timer mode
Michael J. Spencer 2:1df0b61d3b5a 288 * - TIM_COUNTER_RISING_MODE: Counter rising mode
Michael J. Spencer 2:1df0b61d3b5a 289 * - TIM_COUNTER_FALLING_MODE: Counter falling mode
Michael J. Spencer 2:1df0b61d3b5a 290 * - TIM_COUNTER_ANY_MODE:Counter on both edges
Michael J. Spencer 2:1df0b61d3b5a 291 * @param[in] TIM_ConfigStruct pointer to TIM_TIMERCFG_Type
Michael J. Spencer 2:1df0b61d3b5a 292 * that contains the configuration information for the
Michael J. Spencer 2:1df0b61d3b5a 293 * specified Timer peripheral.
Michael J. Spencer 2:1df0b61d3b5a 294 * @return None
Michael J. Spencer 2:1df0b61d3b5a 295 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 296 void TIM_Init(LPC_TIM_TypeDef *TIMx, TIM_MODE_OPT TimerCounterMode, void *TIM_ConfigStruct)
Michael J. Spencer 2:1df0b61d3b5a 297 {
Michael J. Spencer 2:1df0b61d3b5a 298 TIM_TIMERCFG_Type *pTimeCfg;
Michael J. Spencer 2:1df0b61d3b5a 299 TIM_COUNTERCFG_Type *pCounterCfg;
Michael J. Spencer 2:1df0b61d3b5a 300
Michael J. Spencer 2:1df0b61d3b5a 301 CHECK_PARAM(PARAM_TIMx(TIMx));
Michael J. Spencer 2:1df0b61d3b5a 302 CHECK_PARAM(PARAM_TIM_MODE_OPT(TimerCounterMode));
Michael J. Spencer 2:1df0b61d3b5a 303
Michael J. Spencer 2:1df0b61d3b5a 304 //set power
Michael J. Spencer 2:1df0b61d3b5a 305
Michael J. Spencer 2:1df0b61d3b5a 306 if (TIMx== LPC_TIM0)
Michael J. Spencer 2:1df0b61d3b5a 307 {
Michael J. Spencer 2:1df0b61d3b5a 308 CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM0, ENABLE);
Michael J. Spencer 2:1df0b61d3b5a 309 //PCLK_Timer0 = CCLK/4
Michael J. Spencer 2:1df0b61d3b5a 310 CLKPWR_SetPCLKDiv (CLKPWR_PCLKSEL_TIMER0, CLKPWR_PCLKSEL_CCLK_DIV_4);
Michael J. Spencer 2:1df0b61d3b5a 311 }
Michael J. Spencer 2:1df0b61d3b5a 312 else if (TIMx== LPC_TIM1)
Michael J. Spencer 2:1df0b61d3b5a 313 {
Michael J. Spencer 2:1df0b61d3b5a 314 CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM1, ENABLE);
Michael J. Spencer 2:1df0b61d3b5a 315 //PCLK_Timer1 = CCLK/4
Michael J. Spencer 2:1df0b61d3b5a 316 CLKPWR_SetPCLKDiv (CLKPWR_PCLKSEL_TIMER1, CLKPWR_PCLKSEL_CCLK_DIV_4);
Michael J. Spencer 2:1df0b61d3b5a 317
Michael J. Spencer 2:1df0b61d3b5a 318 }
Michael J. Spencer 2:1df0b61d3b5a 319
Michael J. Spencer 2:1df0b61d3b5a 320 else if (TIMx== LPC_TIM2)
Michael J. Spencer 2:1df0b61d3b5a 321 {
Michael J. Spencer 2:1df0b61d3b5a 322 CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM2, ENABLE);
Michael J. Spencer 2:1df0b61d3b5a 323 //PCLK_Timer2= CCLK/4
Michael J. Spencer 2:1df0b61d3b5a 324 CLKPWR_SetPCLKDiv (CLKPWR_PCLKSEL_TIMER2, CLKPWR_PCLKSEL_CCLK_DIV_4);
Michael J. Spencer 2:1df0b61d3b5a 325 }
Michael J. Spencer 2:1df0b61d3b5a 326 else if (TIMx== LPC_TIM3)
Michael J. Spencer 2:1df0b61d3b5a 327 {
Michael J. Spencer 2:1df0b61d3b5a 328 CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM3, ENABLE);
Michael J. Spencer 2:1df0b61d3b5a 329 //PCLK_Timer3= CCLK/4
Michael J. Spencer 2:1df0b61d3b5a 330 CLKPWR_SetPCLKDiv (CLKPWR_PCLKSEL_TIMER3, CLKPWR_PCLKSEL_CCLK_DIV_4);
Michael J. Spencer 2:1df0b61d3b5a 331
Michael J. Spencer 2:1df0b61d3b5a 332 }
Michael J. Spencer 2:1df0b61d3b5a 333
Michael J. Spencer 2:1df0b61d3b5a 334 TIMx->CCR &= ~TIM_CTCR_MODE_MASK;
Michael J. Spencer 2:1df0b61d3b5a 335 TIMx->CCR |= TIM_TIMER_MODE;
Michael J. Spencer 2:1df0b61d3b5a 336
Michael J. Spencer 2:1df0b61d3b5a 337 TIMx->TC =0;
Michael J. Spencer 2:1df0b61d3b5a 338 TIMx->PC =0;
Michael J. Spencer 2:1df0b61d3b5a 339 TIMx->PR =0;
Michael J. Spencer 2:1df0b61d3b5a 340 TIMx->TCR |= (1<<1); //Reset Counter
Michael J. Spencer 2:1df0b61d3b5a 341 TIMx->TCR &= ~(1<<1); //release reset
Michael J. Spencer 2:1df0b61d3b5a 342 if (TimerCounterMode == TIM_TIMER_MODE )
Michael J. Spencer 2:1df0b61d3b5a 343 {
Michael J. Spencer 2:1df0b61d3b5a 344 pTimeCfg = (TIM_TIMERCFG_Type *)TIM_ConfigStruct;
Michael J. Spencer 2:1df0b61d3b5a 345 if (pTimeCfg->PrescaleOption == TIM_PRESCALE_TICKVAL)
Michael J. Spencer 2:1df0b61d3b5a 346 {
Michael J. Spencer 2:1df0b61d3b5a 347 TIMx->PR = pTimeCfg->PrescaleValue -1 ;
Michael J. Spencer 2:1df0b61d3b5a 348 }
Michael J. Spencer 2:1df0b61d3b5a 349 else
Michael J. Spencer 2:1df0b61d3b5a 350 {
Michael J. Spencer 2:1df0b61d3b5a 351 TIMx->PR = converUSecToVal (converPtrToTimeNum(TIMx),pTimeCfg->PrescaleValue)-1;
Michael J. Spencer 2:1df0b61d3b5a 352 }
Michael J. Spencer 2:1df0b61d3b5a 353 }
Michael J. Spencer 2:1df0b61d3b5a 354 else
Michael J. Spencer 2:1df0b61d3b5a 355 {
Michael J. Spencer 2:1df0b61d3b5a 356
Michael J. Spencer 2:1df0b61d3b5a 357 pCounterCfg = (TIM_COUNTERCFG_Type *)TIM_ConfigStruct;
Michael J. Spencer 2:1df0b61d3b5a 358 TIMx->CCR &= ~TIM_CTCR_INPUT_MASK;
Michael J. Spencer 2:1df0b61d3b5a 359 if (pCounterCfg->CountInputSelect == TIM_COUNTER_INCAP1)
Michael J. Spencer 2:1df0b61d3b5a 360 TIMx->CCR |= _BIT(2);
Michael J. Spencer 2:1df0b61d3b5a 361 }
Michael J. Spencer 2:1df0b61d3b5a 362
Michael J. Spencer 2:1df0b61d3b5a 363 // Clear interrupt pending
Michael J. Spencer 2:1df0b61d3b5a 364 TIMx->IR = 0xFFFFFFFF;
Michael J. Spencer 2:1df0b61d3b5a 365
Michael J. Spencer 2:1df0b61d3b5a 366 }
Michael J. Spencer 2:1df0b61d3b5a 367
Michael J. Spencer 2:1df0b61d3b5a 368 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 369 * @brief Close Timer/Counter device
Michael J. Spencer 2:1df0b61d3b5a 370 * @param[in] TIMx Pointer to timer device, should be:
Michael J. Spencer 2:1df0b61d3b5a 371 * - LPC_TIM0: TIMER0 peripheral
Michael J. Spencer 2:1df0b61d3b5a 372 * - LPC_TIM1: TIMER1 peripheral
Michael J. Spencer 2:1df0b61d3b5a 373 * - LPC_TIM2: TIMER2 peripheral
Michael J. Spencer 2:1df0b61d3b5a 374 * - LPC_TIM3: TIMER3 peripheral
Michael J. Spencer 2:1df0b61d3b5a 375 * @return None
Michael J. Spencer 2:1df0b61d3b5a 376 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 377 void TIM_DeInit (LPC_TIM_TypeDef *TIMx)
Michael J. Spencer 2:1df0b61d3b5a 378 {
Michael J. Spencer 2:1df0b61d3b5a 379 CHECK_PARAM(PARAM_TIMx(TIMx));
Michael J. Spencer 2:1df0b61d3b5a 380 // Disable timer/counter
Michael J. Spencer 2:1df0b61d3b5a 381 TIMx->TCR = 0x00;
Michael J. Spencer 2:1df0b61d3b5a 382
Michael J. Spencer 2:1df0b61d3b5a 383 // Disable power
Michael J. Spencer 2:1df0b61d3b5a 384 if (TIMx== LPC_TIM0)
Michael J. Spencer 2:1df0b61d3b5a 385 CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM0, DISABLE);
Michael J. Spencer 2:1df0b61d3b5a 386
Michael J. Spencer 2:1df0b61d3b5a 387 else if (TIMx== LPC_TIM1)
Michael J. Spencer 2:1df0b61d3b5a 388 CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM1, DISABLE);
Michael J. Spencer 2:1df0b61d3b5a 389
Michael J. Spencer 2:1df0b61d3b5a 390 else if (TIMx== LPC_TIM2)
Michael J. Spencer 2:1df0b61d3b5a 391 CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM2, DISABLE);
Michael J. Spencer 2:1df0b61d3b5a 392
Michael J. Spencer 2:1df0b61d3b5a 393 else if (TIMx== LPC_TIM3)
Michael J. Spencer 2:1df0b61d3b5a 394 CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM2, DISABLE);
Michael J. Spencer 2:1df0b61d3b5a 395
Michael J. Spencer 2:1df0b61d3b5a 396 }
Michael J. Spencer 2:1df0b61d3b5a 397
Michael J. Spencer 2:1df0b61d3b5a 398 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 399 * @brief Start/Stop Timer/Counter device
Michael J. Spencer 2:1df0b61d3b5a 400 * @param[in] TIMx Pointer to timer device, should be:
Michael J. Spencer 2:1df0b61d3b5a 401 * - LPC_TIM0: TIMER0 peripheral
Michael J. Spencer 2:1df0b61d3b5a 402 * - LPC_TIM1: TIMER1 peripheral
Michael J. Spencer 2:1df0b61d3b5a 403 * - LPC_TIM2: TIMER2 peripheral
Michael J. Spencer 2:1df0b61d3b5a 404 * - LPC_TIM3: TIMER3 peripheral
Michael J. Spencer 2:1df0b61d3b5a 405 * @param[in] NewState
Michael J. Spencer 2:1df0b61d3b5a 406 * - ENABLE : set timer enable
Michael J. Spencer 2:1df0b61d3b5a 407 * - DISABLE : disable timer
Michael J. Spencer 2:1df0b61d3b5a 408 * @return None
Michael J. Spencer 2:1df0b61d3b5a 409 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 410 void TIM_Cmd(LPC_TIM_TypeDef *TIMx, FunctionalState NewState)
Michael J. Spencer 2:1df0b61d3b5a 411 {
Michael J. Spencer 2:1df0b61d3b5a 412 CHECK_PARAM(PARAM_TIMx(TIMx));
Michael J. Spencer 2:1df0b61d3b5a 413 if (NewState == ENABLE)
Michael J. Spencer 2:1df0b61d3b5a 414 {
Michael J. Spencer 2:1df0b61d3b5a 415 TIMx->TCR |= TIM_ENABLE;
Michael J. Spencer 2:1df0b61d3b5a 416 }
Michael J. Spencer 2:1df0b61d3b5a 417 else
Michael J. Spencer 2:1df0b61d3b5a 418 {
Michael J. Spencer 2:1df0b61d3b5a 419 TIMx->TCR &= ~TIM_ENABLE;
Michael J. Spencer 2:1df0b61d3b5a 420 }
Michael J. Spencer 2:1df0b61d3b5a 421 }
Michael J. Spencer 2:1df0b61d3b5a 422
Michael J. Spencer 2:1df0b61d3b5a 423 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 424 * @brief Reset Timer/Counter device,
Michael J. Spencer 2:1df0b61d3b5a 425 * Make TC and PC are synchronously reset on the next
Michael J. Spencer 2:1df0b61d3b5a 426 * positive edge of PCLK
Michael J. Spencer 2:1df0b61d3b5a 427 * @param[in] TIMx Pointer to timer device, should be:
Michael J. Spencer 2:1df0b61d3b5a 428 * - LPC_TIM0: TIMER0 peripheral
Michael J. Spencer 2:1df0b61d3b5a 429 * - LPC_TIM1: TIMER1 peripheral
Michael J. Spencer 2:1df0b61d3b5a 430 * - LPC_TIM2: TIMER2 peripheral
Michael J. Spencer 2:1df0b61d3b5a 431 * - LPC_TIM3: TIMER3 peripheral
Michael J. Spencer 2:1df0b61d3b5a 432 * @return None
Michael J. Spencer 2:1df0b61d3b5a 433 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 434 void TIM_ResetCounter(LPC_TIM_TypeDef *TIMx)
Michael J. Spencer 2:1df0b61d3b5a 435 {
Michael J. Spencer 2:1df0b61d3b5a 436 CHECK_PARAM(PARAM_TIMx(TIMx));
Michael J. Spencer 2:1df0b61d3b5a 437 TIMx->TCR |= TIM_RESET;
Michael J. Spencer 2:1df0b61d3b5a 438 TIMx->TCR &= ~TIM_RESET;
Michael J. Spencer 2:1df0b61d3b5a 439 }
Michael J. Spencer 2:1df0b61d3b5a 440
Michael J. Spencer 2:1df0b61d3b5a 441 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 442 * @brief Configuration for Match register
Michael J. Spencer 2:1df0b61d3b5a 443 * @param[in] TIMx Pointer to timer device, should be:
Michael J. Spencer 2:1df0b61d3b5a 444 * - LPC_TIM0: TIMER0 peripheral
Michael J. Spencer 2:1df0b61d3b5a 445 * - LPC_TIM1: TIMER1 peripheral
Michael J. Spencer 2:1df0b61d3b5a 446 * - LPC_TIM2: TIMER2 peripheral
Michael J. Spencer 2:1df0b61d3b5a 447 * - LPC_TIM3: TIMER3 peripheral
Michael J. Spencer 2:1df0b61d3b5a 448 * @param[in] TIM_MatchConfigStruct Pointer to TIM_MATCHCFG_Type
Michael J. Spencer 2:1df0b61d3b5a 449 * - MatchChannel : choose channel 0 or 1
Michael J. Spencer 2:1df0b61d3b5a 450 * - IntOnMatch : if SET, interrupt will be generated when MRxx match
Michael J. Spencer 2:1df0b61d3b5a 451 * the value in TC
Michael J. Spencer 2:1df0b61d3b5a 452 * - StopOnMatch : if SET, TC and PC will be stopped whenM Rxx match
Michael J. Spencer 2:1df0b61d3b5a 453 * the value in TC
Michael J. Spencer 2:1df0b61d3b5a 454 * - ResetOnMatch : if SET, Reset on MR0 when MRxx match
Michael J. Spencer 2:1df0b61d3b5a 455 * the value in TC
Michael J. Spencer 2:1df0b61d3b5a 456 * -ExtMatchOutputType: Select output for external match
Michael J. Spencer 2:1df0b61d3b5a 457 * + 0: Do nothing for external output pin if match
Michael J. Spencer 2:1df0b61d3b5a 458 * + 1: Force external output pin to low if match
Michael J. Spencer 2:1df0b61d3b5a 459 * + 2: Force external output pin to high if match
Michael J. Spencer 2:1df0b61d3b5a 460 * + 3: Toggle external output pin if match
Michael J. Spencer 2:1df0b61d3b5a 461 * MatchValue: Set the value to be compared with TC value
Michael J. Spencer 2:1df0b61d3b5a 462 * @return None
Michael J. Spencer 2:1df0b61d3b5a 463 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 464 void TIM_ConfigMatch(LPC_TIM_TypeDef *TIMx, TIM_MATCHCFG_Type *TIM_MatchConfigStruct)
Michael J. Spencer 2:1df0b61d3b5a 465 {
Michael J. Spencer 2:1df0b61d3b5a 466
Michael J. Spencer 2:1df0b61d3b5a 467 CHECK_PARAM(PARAM_TIMx(TIMx));
Michael J. Spencer 2:1df0b61d3b5a 468 CHECK_PARAM(PARAM_TIM_EXTMATCH_OPT(TIM_MatchConfigStruct->ExtMatchOutputType));
Michael J. Spencer 2:1df0b61d3b5a 469
Michael J. Spencer 2:1df0b61d3b5a 470 switch(TIM_MatchConfigStruct->MatchChannel)
Michael J. Spencer 2:1df0b61d3b5a 471 {
Michael J. Spencer 2:1df0b61d3b5a 472 case 0:
Michael J. Spencer 2:1df0b61d3b5a 473 TIMx->MR0 = TIM_MatchConfigStruct->MatchValue;
Michael J. Spencer 2:1df0b61d3b5a 474 break;
Michael J. Spencer 2:1df0b61d3b5a 475 case 1:
Michael J. Spencer 2:1df0b61d3b5a 476 TIMx->MR1 = TIM_MatchConfigStruct->MatchValue;
Michael J. Spencer 2:1df0b61d3b5a 477 break;
Michael J. Spencer 2:1df0b61d3b5a 478 case 2:
Michael J. Spencer 2:1df0b61d3b5a 479 TIMx->MR2 = TIM_MatchConfigStruct->MatchValue;
Michael J. Spencer 2:1df0b61d3b5a 480 break;
Michael J. Spencer 2:1df0b61d3b5a 481 case 3:
Michael J. Spencer 2:1df0b61d3b5a 482 TIMx->MR3 = TIM_MatchConfigStruct->MatchValue;
Michael J. Spencer 2:1df0b61d3b5a 483 break;
Michael J. Spencer 2:1df0b61d3b5a 484 default:
Michael J. Spencer 2:1df0b61d3b5a 485 //Error match value
Michael J. Spencer 2:1df0b61d3b5a 486 //Error loop
Michael J. Spencer 2:1df0b61d3b5a 487 while(1);
Michael J. Spencer 2:1df0b61d3b5a 488 }
Michael J. Spencer 2:1df0b61d3b5a 489 //interrupt on MRn
Michael J. Spencer 2:1df0b61d3b5a 490 TIMx->MCR &=~TIM_MCR_CHANNEL_MASKBIT(TIM_MatchConfigStruct->MatchChannel);
Michael J. Spencer 2:1df0b61d3b5a 491
Michael J. Spencer 2:1df0b61d3b5a 492 if (TIM_MatchConfigStruct->IntOnMatch)
Michael J. Spencer 2:1df0b61d3b5a 493 TIMx->MCR |= TIM_INT_ON_MATCH(TIM_MatchConfigStruct->MatchChannel);
Michael J. Spencer 2:1df0b61d3b5a 494
Michael J. Spencer 2:1df0b61d3b5a 495 //reset on MRn
Michael J. Spencer 2:1df0b61d3b5a 496 if (TIM_MatchConfigStruct->ResetOnMatch)
Michael J. Spencer 2:1df0b61d3b5a 497 TIMx->MCR |= TIM_RESET_ON_MATCH(TIM_MatchConfigStruct->MatchChannel);
Michael J. Spencer 2:1df0b61d3b5a 498
Michael J. Spencer 2:1df0b61d3b5a 499 //stop on MRn
Michael J. Spencer 2:1df0b61d3b5a 500 if (TIM_MatchConfigStruct->StopOnMatch)
Michael J. Spencer 2:1df0b61d3b5a 501 TIMx->MCR |= TIM_STOP_ON_MATCH(TIM_MatchConfigStruct->MatchChannel);
Michael J. Spencer 2:1df0b61d3b5a 502
Michael J. Spencer 2:1df0b61d3b5a 503 // match output type
Michael J. Spencer 2:1df0b61d3b5a 504
Michael J. Spencer 2:1df0b61d3b5a 505 TIMx->EMR &= ~TIM_EM_MASK(TIM_MatchConfigStruct->MatchChannel);
Michael J. Spencer 2:1df0b61d3b5a 506 TIMx->EMR |= TIM_EM_SET(TIM_MatchConfigStruct->MatchChannel,TIM_MatchConfigStruct->ExtMatchOutputType);
Michael J. Spencer 2:1df0b61d3b5a 507 }
Michael J. Spencer 2:1df0b61d3b5a 508 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 509 * @brief Update Match value
Michael J. Spencer 2:1df0b61d3b5a 510 * @param[in] TIMx Pointer to timer device, should be:
Michael J. Spencer 2:1df0b61d3b5a 511 * - LPC_TIM0: TIMER0 peripheral
Michael J. Spencer 2:1df0b61d3b5a 512 * - LPC_TIM1: TIMER1 peripheral
Michael J. Spencer 2:1df0b61d3b5a 513 * - LPC_TIM2: TIMER2 peripheral
Michael J. Spencer 2:1df0b61d3b5a 514 * - LPC_TIM3: TIMER3 peripheral
Michael J. Spencer 2:1df0b61d3b5a 515 * @param[in] MatchChannel Match channel, should be: 0..3
Michael J. Spencer 2:1df0b61d3b5a 516 * @param[in] MatchValue updated match value
Michael J. Spencer 2:1df0b61d3b5a 517 * @return None
Michael J. Spencer 2:1df0b61d3b5a 518 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 519 void TIM_UpdateMatchValue(LPC_TIM_TypeDef *TIMx,uint8_t MatchChannel, uint32_t MatchValue)
Michael J. Spencer 2:1df0b61d3b5a 520 {
Michael J. Spencer 2:1df0b61d3b5a 521 CHECK_PARAM(PARAM_TIMx(TIMx));
Michael J. Spencer 2:1df0b61d3b5a 522 switch(MatchChannel)
Michael J. Spencer 2:1df0b61d3b5a 523 {
Michael J. Spencer 2:1df0b61d3b5a 524 case 0:
Michael J. Spencer 2:1df0b61d3b5a 525 TIMx->MR0 = MatchValue;
Michael J. Spencer 2:1df0b61d3b5a 526 break;
Michael J. Spencer 2:1df0b61d3b5a 527 case 1:
Michael J. Spencer 2:1df0b61d3b5a 528 TIMx->MR1 = MatchValue;
Michael J. Spencer 2:1df0b61d3b5a 529 break;
Michael J. Spencer 2:1df0b61d3b5a 530 case 2:
Michael J. Spencer 2:1df0b61d3b5a 531 TIMx->MR2 = MatchValue;
Michael J. Spencer 2:1df0b61d3b5a 532 break;
Michael J. Spencer 2:1df0b61d3b5a 533 case 3:
Michael J. Spencer 2:1df0b61d3b5a 534 TIMx->MR3 = MatchValue;
Michael J. Spencer 2:1df0b61d3b5a 535 break;
Michael J. Spencer 2:1df0b61d3b5a 536 default:
Michael J. Spencer 2:1df0b61d3b5a 537 //Error Loop
Michael J. Spencer 2:1df0b61d3b5a 538 while(1);
Michael J. Spencer 2:1df0b61d3b5a 539 }
Michael J. Spencer 2:1df0b61d3b5a 540
Michael J. Spencer 2:1df0b61d3b5a 541 }
Michael J. Spencer 2:1df0b61d3b5a 542 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 543 * @brief Configuration for Capture register
Michael J. Spencer 2:1df0b61d3b5a 544 * @param[in] TIMx Pointer to timer device, should be:
Michael J. Spencer 2:1df0b61d3b5a 545 * - LPC_TIM0: TIMER0 peripheral
Michael J. Spencer 2:1df0b61d3b5a 546 * - LPC_TIM1: TIMER1 peripheral
Michael J. Spencer 2:1df0b61d3b5a 547 * - LPC_TIM2: TIMER2 peripheral
Michael J. Spencer 2:1df0b61d3b5a 548 * - LPC_TIM3: TIMER3 peripheral
Michael J. Spencer 2:1df0b61d3b5a 549 * - CaptureChannel: set the channel to capture data
Michael J. Spencer 2:1df0b61d3b5a 550 * - RisingEdge : if SET, Capture at rising edge
Michael J. Spencer 2:1df0b61d3b5a 551 * - FallingEdge : if SET, Capture at falling edge
Michael J. Spencer 2:1df0b61d3b5a 552 * - IntOnCaption : if SET, Capture generate interrupt
Michael J. Spencer 2:1df0b61d3b5a 553 * @param[in] TIM_CaptureConfigStruct Pointer to TIM_CAPTURECFG_Type
Michael J. Spencer 2:1df0b61d3b5a 554 * @return None
Michael J. Spencer 2:1df0b61d3b5a 555 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 556 void TIM_ConfigCapture(LPC_TIM_TypeDef *TIMx, TIM_CAPTURECFG_Type *TIM_CaptureConfigStruct)
Michael J. Spencer 2:1df0b61d3b5a 557 {
Michael J. Spencer 2:1df0b61d3b5a 558
Michael J. Spencer 2:1df0b61d3b5a 559 CHECK_PARAM(PARAM_TIMx(TIMx));
Michael J. Spencer 2:1df0b61d3b5a 560 TIMx->CCR &= ~TIM_CCR_CHANNEL_MASKBIT(TIM_CaptureConfigStruct->CaptureChannel);
Michael J. Spencer 2:1df0b61d3b5a 561
Michael J. Spencer 2:1df0b61d3b5a 562 if (TIM_CaptureConfigStruct->RisingEdge)
Michael J. Spencer 2:1df0b61d3b5a 563 TIMx->CCR |= TIM_CAP_RISING(TIM_CaptureConfigStruct->CaptureChannel);
Michael J. Spencer 2:1df0b61d3b5a 564
Michael J. Spencer 2:1df0b61d3b5a 565 if (TIM_CaptureConfigStruct->FallingEdge)
Michael J. Spencer 2:1df0b61d3b5a 566 TIMx->CCR |= TIM_CAP_FALLING(TIM_CaptureConfigStruct->CaptureChannel);
Michael J. Spencer 2:1df0b61d3b5a 567
Michael J. Spencer 2:1df0b61d3b5a 568 if (TIM_CaptureConfigStruct->IntOnCaption)
Michael J. Spencer 2:1df0b61d3b5a 569 TIMx->CCR |= TIM_INT_ON_CAP(TIM_CaptureConfigStruct->CaptureChannel);
Michael J. Spencer 2:1df0b61d3b5a 570 }
Michael J. Spencer 2:1df0b61d3b5a 571
Michael J. Spencer 2:1df0b61d3b5a 572 /*********************************************************************//**
Michael J. Spencer 2:1df0b61d3b5a 573 * @brief Read value of capture register in timer/counter device
Michael J. Spencer 2:1df0b61d3b5a 574 * @param[in] TIMx Pointer to timer/counter device, should be:
Michael J. Spencer 2:1df0b61d3b5a 575 * - LPC_TIM0: TIMER0 peripheral
Michael J. Spencer 2:1df0b61d3b5a 576 * - LPC_TIM1: TIMER1 peripheral
Michael J. Spencer 2:1df0b61d3b5a 577 * - LPC_TIM2: TIMER2 peripheral
Michael J. Spencer 2:1df0b61d3b5a 578 * - LPC_TIM3: TIMER3 peripheral
Michael J. Spencer 2:1df0b61d3b5a 579 * @param[in] CaptureChannel: capture channel number, should be:
Michael J. Spencer 2:1df0b61d3b5a 580 * - TIM_COUNTER_INCAP0: CAPn.0 input pin for TIMERn
Michael J. Spencer 2:1df0b61d3b5a 581 * - TIM_COUNTER_INCAP1: CAPn.1 input pin for TIMERn
Michael J. Spencer 2:1df0b61d3b5a 582 * @return Value of capture register
Michael J. Spencer 2:1df0b61d3b5a 583 **********************************************************************/
Michael J. Spencer 2:1df0b61d3b5a 584 uint32_t TIM_GetCaptureValue(LPC_TIM_TypeDef *TIMx, TIM_COUNTER_INPUT_OPT CaptureChannel)
Michael J. Spencer 2:1df0b61d3b5a 585 {
Michael J. Spencer 2:1df0b61d3b5a 586 CHECK_PARAM(PARAM_TIMx(TIMx));
Michael J. Spencer 2:1df0b61d3b5a 587 CHECK_PARAM(PARAM_TIM_COUNTER_INPUT_OPT(CaptureChannel));
Michael J. Spencer 2:1df0b61d3b5a 588
Michael J. Spencer 2:1df0b61d3b5a 589 if(CaptureChannel==0)
Michael J. Spencer 2:1df0b61d3b5a 590 return TIMx->CR0;
Michael J. Spencer 2:1df0b61d3b5a 591 else
Michael J. Spencer 2:1df0b61d3b5a 592 return TIMx->CR1;
Michael J. Spencer 2:1df0b61d3b5a 593 }
Michael J. Spencer 2:1df0b61d3b5a 594
Michael J. Spencer 2:1df0b61d3b5a 595 /**
Michael J. Spencer 2:1df0b61d3b5a 596 * @}
Michael J. Spencer 2:1df0b61d3b5a 597 */
Michael J. Spencer 2:1df0b61d3b5a 598
Michael J. Spencer 2:1df0b61d3b5a 599 #endif /* _TIMER */
Michael J. Spencer 2:1df0b61d3b5a 600
Michael J. Spencer 2:1df0b61d3b5a 601 /**
Michael J. Spencer 2:1df0b61d3b5a 602 * @}
Michael J. Spencer 2:1df0b61d3b5a 603 */
Michael J. Spencer 2:1df0b61d3b5a 604
Michael J. Spencer 2:1df0b61d3b5a 605 /* --------------------------------- End Of File ------------------------------ */
Michael J. Spencer 2:1df0b61d3b5a 606 #endif /* __LPC17XX__ */