Library to Capture the +ve and -ve Pulsewidth of a signal
Dependents: PulseWidthCapture_Program
PulseWidthCapture.h
- Committer:
- Ellor1
- Date:
- 2014-12-11
- Revision:
- 2:857c3c8e7a2f
- Parent:
- 1:6bb38ae2e503
File content as of revision 2:857c3c8e7a2f:
/* mbed Library - PulseWidthCapture * Copyright (c) 2014 * released under MIT license http://mbed.org/licence/mit */ /***********************************************************************//** * @file PulseWidthCapture.h * @brief Header file for the PulseWidthCapture library. * @version 0.0 * @date 03 Dec 2014 * @author Callum Ellor **************************************************************************/ /*************************************************************************** * Revision Date Comments *---------- -------- ----------------------------------------------- * * 0.0 03/12/14 Initial creation ***************************************************************************/ #ifndef CAPTURET0_H #define CAPTURET0_H /* Includes ------------------------------------------------------------------- */ #include "mbed.h" /* Public Types --------------------------------------------------------------- */ /* Public Functions ----------------------------------------------------------- */ /** Capture_Public_Functions Capture Public Functions */ class Capture { public: /* Create a Capture object and configure it */ Capture(void); /* Start capturing data. */ void Start_1(void); void Start_2(void); /* Wait function */ void Wait(void); /* Debug function */ unsigned int Debug(void); /* Public Macros -------------------------------------------------------------- */ private: static void _Fall_ISR(void); static void _Rise_ISR(void); static void _Wait_ISR(void); void Fall_ISR(void); void Rise_ISR(void); void Wait_ISR(void); static Capture *instance; const char * freq_unit; const char * rise_sec_unit; const char * fall_sec_unit; const char * per_sec_unit; float rise, rise1, fall, fall1, period, period1, freq, freq1, ADCdata; unsigned int debug; /* Private Macros ------------------------------------------------------------- */ /* --------------------- BIT DEFINITIONS -------------------------------------- */ /* Timer Capture Register Definitions --------------------- */ /*********************************************************************//** * Macro defines for CT32B0->IR Interrupt tegister **********************************************************************/ #define CT32B0_IR_CR0INT ((uint32_t)(1<<4)) /**< Interrupt flag for capture channel 0 */ #define CT32B0_IR_CR1INT ((uint32_t)(1<<6)) /**< Interrupt flag for capture channel 1 */ /*********************************************************************//** * Macro defines for CT32B1->IR Interrupt tegister **********************************************************************/ #define CT32B1_IR_CR0INT ((uint32_t)(1<<4)) /**< Interrupt flag for capture channel 0 */ #define CT32B1_IR_CR1INT ((uint32_t)(1<<5)) /**< Interrupt flag for capture channel 1 */ /*********************************************************************//** * Macro defines for CT16B0->IR Interrupt tegister **********************************************************************/ #define CT16B0_IR_MR0INT ((uint32_t)(1<<0)) /**< Interrupt flag for Match channel 0 */ /*********************************************************************//** * Macro defines for IOCON->PIO1_29 register bits LPC11U24 page 125 **********************************************************************/ #define P1_29_PIN_PULL_UP 2UL #define P1_29_PIN_REPEATER 3UL #define P1_29_PIN_NORESISTOR 0UL #define P1_29_PIN_PULL_DOWN 1UL /* FUNC bits */ // define what fucntion the pin should be set up in #define PORT_PIO1_29 0UL #define SCKO 1UL #define CT32B0_CAP1 2UL /* MODE bits */ #define P1_29_CAP_PULLUP ((uint32_t)(PIN_PULL_UP<<3)) // Pull up on the CT32B0_CAP1 input pin /*********************************************************************//** * Macro defines for IOCON->PIO0_12 register bits LPC11U24 page 94 **********************************************************************/ #define P0_12_PIN_PULL_UP 2UL #define P0_12_PIN_REPEATER 3UL #define P0_12_PIN_NORESISTOR 0UL #define P0_12_PIN_PULL_DOWN 1UL /* FUNC bits */ #define PIO0_12 1UL // define what fucntion the pin should be set up in #define ADL 2UL #define CT32B1_CAP0 3UL #define ADMODE ((uint32_t)(1<<7)) // Set to digital function mode to allow capture input on this pin #define FILTR ((uint32_t)(1<<8)) /* MODE bits */ #define P0_12_CAP_PULLUP ((uint32_t)(PIN_PULL_UP<<3)) // Pull up on the CT32B0_CAP1 input pin /*********************************************************************//** * Macro defines for SYSCON->SYSAHBCLKDIV register bits LPC11U24 page 30 **********************************************************************/ #define CT32B0_CLK_ENABLE ((uint32_t)(1<<9)) /**< CT32B0 clock enable */ #define CT32B1_CLK_ENABLE ((uint32_t)(1<<10)) #define CT16B0_CLK_ENABLE ((uint32_t)(1<<7)) /*********************************************************************//** * Macro defines for CT32B0->TCR register bits LPC11U24 page 353 **********************************************************************/ #define CT32B0_TCR_CEN 1UL /*********************************************************************//** * Macro defines for CT32B1->TCR register bits LPC11U24 page 353 **********************************************************************/ #define CT32B1_TCR_CEN 1UL /*********************************************************************//** * Macro defines for CT16B0->TCR register bits LPC11U24 page 335 **********************************************************************/ #define CT16B0_TCR_CEN 1UL /*********************************************************************//** * Macro defines for CT32B0->CCR register bits LPC11U24 page 357 **********************************************************************/ #define CCR_CAP1RE ((uint32_t)(1<<6)) #define CCR_CAP1FE ((uint32_t)(1<<7)) #define CCR_CAP1I ((uint32_t)(1<<8)) /*********************************************************************//** * Macro defines for CT32B1->CCR register bits LPC11U24 page 356 **********************************************************************/ #define CCR_CAP0RE ((uint32_t)(1<<0)) #define CCR_CAP0FE ((uint32_t)(1<<1)) #define CCR_CAP0I ((uint32_t)(1<<2)) /*********************************************************************//** * Macro defines for CT32B0->CTCR register bits LPC11U24 page 361 **********************************************************************/ #define CT32B0_CTCR_CTM_TIMER 0UL #define CT32B0_CTCR_ENCC ((uint32_t)(1<<4)) #define CT32B0_CTCR_SEICC_CAP1RE ((uint32_t)(4<<5)) #define CT32B0_CTCR_SEICC_CAP1FE ((uint32_t)(5<<5)) /*********************************************************************//** * Macro defines for CT32B1->CTCR register bits LPC11U24 page 362 **********************************************************************/ #define CT32B1_CTCR_CTM_TIMER 0UL #define CT32B1_CTCR_ENCC ((uint32_t)(1<<4)) #define CT32B1_CTCR_SEICC_CAP0RE ((uint32_t)(0<<5)) //CT32B1_CAP0 #define CT32B1_CTCR_SEICC_CAP0FE ((uint32_t)(1<<5)) /*********************************************************************//** * Macro defines for CT16B0->MCR register bits LPC11U24 page 337 **********************************************************************/ #define CT16B0_MR0I ((uint32_t)(1<<0)) #define CT16B0_MR0R ((uint32_t)(1<<1)) }; // End of Capture class information #endif /* CAPTURE_H */ /* --------------------------------- End Of File ------------------------------ */