NXP's driver library for LPC17xx, ported to mbed's online compiler. Not tested! I had to fix a lot of warings and found a couple of pretty obvious bugs, so the chances are there are more. Original: http://ics.nxp.com/support/documents/microcontrollers/zip/lpc17xx.cmsis.driver.library.zip
source/lpc17xx_rit.c@0:1063a091a062, 2010-02-17 (annotated)
- Committer:
- igorsk
- Date:
- Wed Feb 17 16:22:39 2010 +0000
- Revision:
- 0:1063a091a062
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
igorsk | 0:1063a091a062 | 1 | /** |
igorsk | 0:1063a091a062 | 2 | * @file : lpc17xx_rit.c |
igorsk | 0:1063a091a062 | 3 | * @brief : Contains all functions support for RIT firmware library on LPC17xx |
igorsk | 0:1063a091a062 | 4 | * @version : 1.0 |
igorsk | 0:1063a091a062 | 5 | * @date : 7. May. 2009 |
igorsk | 0:1063a091a062 | 6 | * @author : NguyenCao |
igorsk | 0:1063a091a062 | 7 | ************************************************************************** |
igorsk | 0:1063a091a062 | 8 | * Software that is described herein is for illustrative purposes only |
igorsk | 0:1063a091a062 | 9 | * which provides customers with programming information regarding the |
igorsk | 0:1063a091a062 | 10 | * products. This software is supplied "AS IS" without any warranties. |
igorsk | 0:1063a091a062 | 11 | * NXP Semiconductors assumes no responsibility or liability for the |
igorsk | 0:1063a091a062 | 12 | * use of the software, conveys no license or title under any patent, |
igorsk | 0:1063a091a062 | 13 | * copyright, or mask work right to the product. NXP Semiconductors |
igorsk | 0:1063a091a062 | 14 | * reserves the right to make changes in the software without |
igorsk | 0:1063a091a062 | 15 | * notification. NXP Semiconductors also make no representation or |
igorsk | 0:1063a091a062 | 16 | * warranty that such application will be suitable for the specified |
igorsk | 0:1063a091a062 | 17 | * use without further testing or modification. |
igorsk | 0:1063a091a062 | 18 | **********************************************************************/ |
igorsk | 0:1063a091a062 | 19 | |
igorsk | 0:1063a091a062 | 20 | /* Peripheral group ----------------------------------------------------------- */ |
igorsk | 0:1063a091a062 | 21 | /** @addtogroup RIT |
igorsk | 0:1063a091a062 | 22 | * @{ |
igorsk | 0:1063a091a062 | 23 | */ |
igorsk | 0:1063a091a062 | 24 | |
igorsk | 0:1063a091a062 | 25 | /* Includes ------------------------------------------------------------------- */ |
igorsk | 0:1063a091a062 | 26 | #include "lpc17xx_rit.h" |
igorsk | 0:1063a091a062 | 27 | #include "lpc17xx_clkpwr.h" |
igorsk | 0:1063a091a062 | 28 | |
igorsk | 0:1063a091a062 | 29 | /* If this source file built with example, the LPC17xx FW library configuration |
igorsk | 0:1063a091a062 | 30 | * file in each example directory ("lpc17xx_libcfg.h") must be included, |
igorsk | 0:1063a091a062 | 31 | * otherwise the default FW library configuration file must be included instead |
igorsk | 0:1063a091a062 | 32 | */ |
igorsk | 0:1063a091a062 | 33 | #ifdef __BUILD_WITH_EXAMPLE__ |
igorsk | 0:1063a091a062 | 34 | #include "lpc17xx_libcfg.h" |
igorsk | 0:1063a091a062 | 35 | #else |
igorsk | 0:1063a091a062 | 36 | #include "lpc17xx_libcfg_default.h" |
igorsk | 0:1063a091a062 | 37 | #endif /* __BUILD_WITH_EXAMPLE__ */ |
igorsk | 0:1063a091a062 | 38 | |
igorsk | 0:1063a091a062 | 39 | #ifdef _RIT |
igorsk | 0:1063a091a062 | 40 | |
igorsk | 0:1063a091a062 | 41 | /* Public Functions ----------------------------------------------------------- */ |
igorsk | 0:1063a091a062 | 42 | /** @addtogroup RIT_Public_Functions |
igorsk | 0:1063a091a062 | 43 | * @{ |
igorsk | 0:1063a091a062 | 44 | */ |
igorsk | 0:1063a091a062 | 45 | |
igorsk | 0:1063a091a062 | 46 | /******************************************************************************//* |
igorsk | 0:1063a091a062 | 47 | * @brief Initial for RIT |
igorsk | 0:1063a091a062 | 48 | * - Turn on power and clock |
igorsk | 0:1063a091a062 | 49 | * - Setup default register values |
igorsk | 0:1063a091a062 | 50 | * @param[in] RITx is RIT peripheral selected, should be: RIT |
igorsk | 0:1063a091a062 | 51 | * @return None |
igorsk | 0:1063a091a062 | 52 | *******************************************************************************/ |
igorsk | 0:1063a091a062 | 53 | void RIT_Init(LPC_RIT_TypeDef *RITx) |
igorsk | 0:1063a091a062 | 54 | { |
igorsk | 0:1063a091a062 | 55 | CHECK_PARAM(PARAM_RITx(RITx)); |
igorsk | 0:1063a091a062 | 56 | CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCRIT, ENABLE); |
igorsk | 0:1063a091a062 | 57 | //Set up default register values |
igorsk | 0:1063a091a062 | 58 | RITx->RICOMPVAL = 0xFFFFFFFF; |
igorsk | 0:1063a091a062 | 59 | RITx->RIMASK = 0x00000000; |
igorsk | 0:1063a091a062 | 60 | RITx->RICTRL = 0x0C; |
igorsk | 0:1063a091a062 | 61 | RITx->RICOUNTER = 0x00000000; |
igorsk | 0:1063a091a062 | 62 | // Turn on power and clock |
igorsk | 0:1063a091a062 | 63 | |
igorsk | 0:1063a091a062 | 64 | } |
igorsk | 0:1063a091a062 | 65 | /******************************************************************************//* |
igorsk | 0:1063a091a062 | 66 | * @brief DeInitial for RIT |
igorsk | 0:1063a091a062 | 67 | * - Turn off power and clock |
igorsk | 0:1063a091a062 | 68 | * - ReSetup default register values |
igorsk | 0:1063a091a062 | 69 | * @param[in] RITx is RIT peripheral selected, should be: RIT |
igorsk | 0:1063a091a062 | 70 | * @return None |
igorsk | 0:1063a091a062 | 71 | *******************************************************************************/ |
igorsk | 0:1063a091a062 | 72 | void RIT_DeInit(LPC_RIT_TypeDef *RITx) |
igorsk | 0:1063a091a062 | 73 | { |
igorsk | 0:1063a091a062 | 74 | CHECK_PARAM(PARAM_RITx(RITx)); |
igorsk | 0:1063a091a062 | 75 | |
igorsk | 0:1063a091a062 | 76 | // Turn off power and clock |
igorsk | 0:1063a091a062 | 77 | CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCRIT, DISABLE); |
igorsk | 0:1063a091a062 | 78 | //ReSetup default register values |
igorsk | 0:1063a091a062 | 79 | RITx->RICOMPVAL = 0xFFFFFFFF; |
igorsk | 0:1063a091a062 | 80 | RITx->RIMASK = 0x00000000; |
igorsk | 0:1063a091a062 | 81 | RITx->RICTRL = 0x0C; |
igorsk | 0:1063a091a062 | 82 | RITx->RICOUNTER = 0x00000000; |
igorsk | 0:1063a091a062 | 83 | } |
igorsk | 0:1063a091a062 | 84 | /******************************************************************************//* |
igorsk | 0:1063a091a062 | 85 | * @brief Set compare value, mask value and time counter value |
igorsk | 0:1063a091a062 | 86 | * @param[in] RITx is RIT peripheral selected, should be: RIT |
igorsk | 0:1063a091a062 | 87 | * @param[in] value: pointer to RIT_CMP_VAL Structure |
igorsk | 0:1063a091a062 | 88 | * @return None |
igorsk | 0:1063a091a062 | 89 | *******************************************************************************/ |
igorsk | 0:1063a091a062 | 90 | void RIT_TimerConfig(LPC_RIT_TypeDef *RITx, RIT_CMP_VAL *value) |
igorsk | 0:1063a091a062 | 91 | { |
igorsk | 0:1063a091a062 | 92 | CHECK_PARAM(PARAM_RITx(RITx)); |
igorsk | 0:1063a091a062 | 93 | |
igorsk | 0:1063a091a062 | 94 | RITx->RICOMPVAL = value->CMPVAL; |
igorsk | 0:1063a091a062 | 95 | RITx->RIMASK = value->MASKVAL; |
igorsk | 0:1063a091a062 | 96 | RITx->RICOUNTER = value->COUNTVAL; |
igorsk | 0:1063a091a062 | 97 | } |
igorsk | 0:1063a091a062 | 98 | /******************************************************************************//* |
igorsk | 0:1063a091a062 | 99 | * @brief Enable/Disable Timer |
igorsk | 0:1063a091a062 | 100 | * @param[in] RITx is RIT peripheral selected, should be: RIT |
igorsk | 0:1063a091a062 | 101 | * @param[in] NewState New State of this function |
igorsk | 0:1063a091a062 | 102 | * -ENABLE: Enable Timer |
igorsk | 0:1063a091a062 | 103 | * -DISABLE: Disable Timer |
igorsk | 0:1063a091a062 | 104 | * @return None |
igorsk | 0:1063a091a062 | 105 | *******************************************************************************/ |
igorsk | 0:1063a091a062 | 106 | void RIT_Cmd(LPC_RIT_TypeDef *RITx, FunctionalState NewState) |
igorsk | 0:1063a091a062 | 107 | { |
igorsk | 0:1063a091a062 | 108 | CHECK_PARAM(PARAM_RITx(RITx)); |
igorsk | 0:1063a091a062 | 109 | CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState)); |
igorsk | 0:1063a091a062 | 110 | |
igorsk | 0:1063a091a062 | 111 | //Enable or Disable Timer |
igorsk | 0:1063a091a062 | 112 | if(NewState==ENABLE) |
igorsk | 0:1063a091a062 | 113 | { |
igorsk | 0:1063a091a062 | 114 | RITx->RICTRL |= RIT_CTRL_TEN; |
igorsk | 0:1063a091a062 | 115 | } |
igorsk | 0:1063a091a062 | 116 | else |
igorsk | 0:1063a091a062 | 117 | { |
igorsk | 0:1063a091a062 | 118 | RITx->RICTRL &= ~RIT_CTRL_TEN; |
igorsk | 0:1063a091a062 | 119 | } |
igorsk | 0:1063a091a062 | 120 | } |
igorsk | 0:1063a091a062 | 121 | /******************************************************************************//* |
igorsk | 0:1063a091a062 | 122 | * @brief Timer Enable/Disable Clear |
igorsk | 0:1063a091a062 | 123 | * @param[in] RITx is RIT peripheral selected, should be: RIT |
igorsk | 0:1063a091a062 | 124 | * @param[in] NewState New State of this function |
igorsk | 0:1063a091a062 | 125 | * -ENABLE: The timer will be cleared to 0 whenever |
igorsk | 0:1063a091a062 | 126 | * the counter value equals the masked compare value specified |
igorsk | 0:1063a091a062 | 127 | * by the contents of RICOMPVAL and RIMASK register |
igorsk | 0:1063a091a062 | 128 | * -DISABLE: The timer will not be clear to 0 |
igorsk | 0:1063a091a062 | 129 | * @return None |
igorsk | 0:1063a091a062 | 130 | *******************************************************************************/ |
igorsk | 0:1063a091a062 | 131 | void RIT_TimerClearCmd(LPC_RIT_TypeDef *RITx, FunctionalState NewState) |
igorsk | 0:1063a091a062 | 132 | { |
igorsk | 0:1063a091a062 | 133 | CHECK_PARAM(PARAM_RITx(RITx)); |
igorsk | 0:1063a091a062 | 134 | CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState)); |
igorsk | 0:1063a091a062 | 135 | |
igorsk | 0:1063a091a062 | 136 | //Timer Enable/Disable Clear |
igorsk | 0:1063a091a062 | 137 | if(NewState==ENABLE) |
igorsk | 0:1063a091a062 | 138 | { |
igorsk | 0:1063a091a062 | 139 | RITx->RICTRL |= RIT_CTRL_ENCLR; |
igorsk | 0:1063a091a062 | 140 | } |
igorsk | 0:1063a091a062 | 141 | else |
igorsk | 0:1063a091a062 | 142 | { |
igorsk | 0:1063a091a062 | 143 | RITx->RICTRL &= ~RIT_CTRL_ENCLR; |
igorsk | 0:1063a091a062 | 144 | } |
igorsk | 0:1063a091a062 | 145 | } |
igorsk | 0:1063a091a062 | 146 | /******************************************************************************//* |
igorsk | 0:1063a091a062 | 147 | * @brief Timer Enable/Disable on break |
igorsk | 0:1063a091a062 | 148 | * @param[in] RITx is RIT peripheral selected, should be: RIT |
igorsk | 0:1063a091a062 | 149 | * @param[in] NewState New State of this function |
igorsk | 0:1063a091a062 | 150 | * -ENABLE: The timer is halted whenever a hardware break condition occurs |
igorsk | 0:1063a091a062 | 151 | * -DISABLE: Hardware break has no effect on the timer operation |
igorsk | 0:1063a091a062 | 152 | * @return None |
igorsk | 0:1063a091a062 | 153 | *******************************************************************************/ |
igorsk | 0:1063a091a062 | 154 | void RIT_TimerEnableOnBreakCmd(LPC_RIT_TypeDef *RITx, FunctionalState NewState) |
igorsk | 0:1063a091a062 | 155 | { |
igorsk | 0:1063a091a062 | 156 | CHECK_PARAM(PARAM_RITx(RITx)); |
igorsk | 0:1063a091a062 | 157 | CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState)); |
igorsk | 0:1063a091a062 | 158 | |
igorsk | 0:1063a091a062 | 159 | //Timer Enable/Disable on break |
igorsk | 0:1063a091a062 | 160 | if(NewState==ENABLE) |
igorsk | 0:1063a091a062 | 161 | { |
igorsk | 0:1063a091a062 | 162 | RITx->RICTRL |= RIT_CTRL_ENBR; |
igorsk | 0:1063a091a062 | 163 | } |
igorsk | 0:1063a091a062 | 164 | else |
igorsk | 0:1063a091a062 | 165 | { |
igorsk | 0:1063a091a062 | 166 | RITx->RICTRL &= ~RIT_CTRL_ENBR; |
igorsk | 0:1063a091a062 | 167 | } |
igorsk | 0:1063a091a062 | 168 | } |
igorsk | 0:1063a091a062 | 169 | /******************************************************************************//* |
igorsk | 0:1063a091a062 | 170 | * @brief Check whether interrupt flag is set or not |
igorsk | 0:1063a091a062 | 171 | * @param[in] RITx is RIT peripheral selected, should be: RIT |
igorsk | 0:1063a091a062 | 172 | * @return Current interrupt status, could be: SET/RESET |
igorsk | 0:1063a091a062 | 173 | *******************************************************************************/ |
igorsk | 0:1063a091a062 | 174 | IntStatus RIT_GetIntStatus(LPC_RIT_TypeDef *RITx) |
igorsk | 0:1063a091a062 | 175 | { |
igorsk | 0:1063a091a062 | 176 | IntStatus result; |
igorsk | 0:1063a091a062 | 177 | CHECK_PARAM(PARAM_RITx(RITx)); |
igorsk | 0:1063a091a062 | 178 | if((RITx->RICTRL&RIT_CTRL_INTEN)==1) result= SET; |
igorsk | 0:1063a091a062 | 179 | else return RESET; |
igorsk | 0:1063a091a062 | 180 | //clear interrupt flag |
igorsk | 0:1063a091a062 | 181 | RITx->RICTRL |= RIT_CTRL_INTEN; |
igorsk | 0:1063a091a062 | 182 | return result; |
igorsk | 0:1063a091a062 | 183 | } |
igorsk | 0:1063a091a062 | 184 | |
igorsk | 0:1063a091a062 | 185 | /** |
igorsk | 0:1063a091a062 | 186 | * @} |
igorsk | 0:1063a091a062 | 187 | */ |
igorsk | 0:1063a091a062 | 188 | |
igorsk | 0:1063a091a062 | 189 | #endif /* _RIT */ |
igorsk | 0:1063a091a062 | 190 | |
igorsk | 0:1063a091a062 | 191 | /** |
igorsk | 0:1063a091a062 | 192 | * @} |
igorsk | 0:1063a091a062 | 193 | */ |
igorsk | 0:1063a091a062 | 194 | |
igorsk | 0:1063a091a062 | 195 | /* --------------------------------- End Of File ------------------------------ */ |