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Diffstat (limited to 'msp430/libraries/IRremote/IRremoteInt.h')
| -rw-r--r-- | msp430/libraries/IRremote/IRremoteInt.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/msp430/libraries/IRremote/IRremoteInt.h b/msp430/libraries/IRremote/IRremoteInt.h new file mode 100644 index 0000000..15a6d85 --- /dev/null +++ b/msp430/libraries/IRremote/IRremoteInt.h @@ -0,0 +1,185 @@ +/* + * IRremote + * Version 0.1 July, 2009 + * Copyright 2009 Ken Shirriff + * For details, see http://arcfn.com/2009/08/multi-protocol-infrared-remote-library.html + * + * Modified by Paul Stoffregen <paul@pjrc.com> to support other boards and timers + * + * Interrupt code based on NECIRrcv by Joe Knapp + * http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1210243556 + * Also influenced by http://zovirl.com/2008/11/12/building-a-universal-remote-with-an-arduino/ + */ + +#ifndef IRremoteint_h +#define IRremoteint_h + +#include <Energia.h> + +// NOTE: launchpad with a M430G2553 + +#define IR_USE_TIMERA + +// Clock freq in kilohertz +// Defined because using F_CPU in TIMER_CONFIG_KHZ does not work. +// TIMER_CONFIG_KHZ does a calculation and using too large of a +// number causes overflow. +#define FOSC 16000 + +#ifdef F_CPU +#define SYSCLOCK F_CPU // main MSP430 clock +#else +#define SYSCLOCK 16000000 +#endif + +#define ERR 0 +#define DECODED 1 + +//#define DEBUG + +// TODO: edit these to match MSP430 + +// defines for setting and clearing register bits +#ifndef cbi +#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit)) +#endif +#ifndef sbi +#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit)) +#endif + +// pulse parameters in usec +#define NEC_HDR_MARK 9000 +#define NEC_HDR_SPACE 4500 +#define NEC_BIT_MARK 560 +#define NEC_ONE_SPACE 1690 +#define NEC_ZERO_SPACE 560 +#define NEC_RPT_SPACE 2250 + +#define SONY_HDR_MARK 2400 +#define SONY_HDR_SPACE 600 +#define SONY_ONE_MARK 1200 +#define SONY_ZERO_MARK 600 +#define SONY_RPT_LENGTH 45000 + +#define RC5_T1 889 +#define RC5_RPT_LENGTH 46000 + +#define RC6_HDR_MARK 2666 +#define RC6_HDR_SPACE 889 +#define RC6_T1 444 +#define RC6_RPT_LENGTH 46000 + +#define SHARP_BIT_MARK 245 +#define SHARP_ONE_SPACE 1805 +#define SHARP_ZERO_SPACE 795 +#define SHARP_GAP 600000 +#define SHARP_TOGGLE_MASK 0x3FF +#define SHARP_RPT_SPACE 3000 + +#define DISH_HDR_MARK 400 +#define DISH_HDR_SPACE 6100 +#define DISH_BIT_MARK 400 +#define DISH_ONE_SPACE 1700 +#define DISH_ZERO_SPACE 2800 +#define DISH_RPT_SPACE 6200 +#define DISH_TOP_BIT 0x8000 + +#define SHARP_BITS 15 +#define DISH_BITS 16 + +#define TOLERANCE 25 // percent tolerance in measurements +#define LTOL (1.0 - TOLERANCE/100.) +#define UTOL (1.0 + TOLERANCE/100.) + +#define _GAP 5000 // Minimum map between transmissions +#define GAP_TICKS (_GAP/USECPERTICK) + +#define TICKS_LOW(us) (int) (((us)*LTOL/USECPERTICK)) +#define TICKS_HIGH(us) (int) (((us)*UTOL/USECPERTICK + 1)) + +#ifndef DEBUG +// SH 071112 this macros have a tolerance problem. +//#define MATCH(measured_ticks, desired_us) ((measured_ticks) >= TICKS_LOW(desired_us) && (measured_ticks) <= TICKS_HIGH(desired_us)) +//#define MATCH_MARK(measured_ticks, desired_us) MATCH(measured_ticks, (desired_us) + MARK_EXCESS) +//#define MATCH_SPACE(measured_ticks, desired_us) MATCH((measured_ticks), (desired_us) - MARK_EXCESS) +// Debugging versions are in IRremote.cpp +#endif + +// receiver states +#define STATE_IDLE 2 +#define STATE_MARK 3 +#define STATE_SPACE 4 +#define STATE_STOP 5 + +// information for the interrupt handler +typedef struct { + uint8_t recvpin; // pin for IR data from detector + uint8_t rcvstate; // state machine + uint8_t blinkflag; // TRUE to enable blinking of GREEN_LED on IR processing + unsigned int timer; // state timer, counts 50uS ticks. + unsigned int rawbuf[RAWBUF]; // raw data + uint8_t rawlen; // counter of entries in rawbuf +} +irparams_t; + +// Defined in IRremote.cpp +extern volatile irparams_t irparams; + +// IR detector output is active low +#define MARK 0 +#define SPACE 1 + +#define TOPBIT 0x80000000 + +#define NEC_BITS 32 +#define SONY_BITS 12 +#define MIN_RC5_SAMPLES 11 +#define MIN_RC6_SAMPLES 1 + +#define TIMER_PWM_PIN P2_3 +// NOTE: TIMER_PIN_SELECT depends on TIMER_PWM_PIN +// P2DIR |= BIT3; // P2.3 output +// P2SEL |= BIT3; // P2.3 option select +#define TIMER_PIN_SELECT() ({ \ + P2DIR |= BIT3; \ + P2SEL |= BIT3; \ +}) + +// defines for Timer_A (16 bits) +// NOTE: Using A1 instead of A0 because A0 is used by Serial +#if defined(IR_USE_TIMERA) +#define TIMER_RESET +#define TIMER_ENABLE_PWM (TA1CTL = TASSEL_2 + MC_1) // SMCLK, Up mode +#define TIMER_DISABLE_PWM (TA1CTL = TASSEL_2 + MC_0) // SMCLK, Stop mode +#define TIMER_ENABLE_INTR ({ /*TA1CTL |= TAIE;*/ TA1CCTL0 |= CCIE;}) // SH 071112 +#define TIMER_DISABLE_INTR ({TA1CTL &= ~TAIE; TA1CCTL0 &= ~CCIE;}) +#define TIMER_INTR_NAME TIMER1_A0_VECTOR +#define TIMER_CONFIG_KHZ(val) ({ \ + TA1CCTL0 |= OUTMOD_4; \ + TA1CCR0 = FOSC/val/2; \ +}) + +// TODO: update TIMER_CONFIG_NORMAL +// need to alter the math? + +// TA1CCR0 = SYSCLOCK * USECPERTICK / 1000000; + +#define TIMER_CONFIG_NORMAL() ({ \ + TA1CTL = TASSEL_2 + MC_1; \ + TA1CCTL0 |= OUTMOD_4; \ + TA1CCR0 = SYSCLOCK * USECPERTICK / 1000000; \ + TA1R = 0; \ +}) +#endif + +#else // unknown timer +#error "Internal code configuration error, no known IR_USE_TIMER# defined\n" +#endif + +// defines for blinking the (Green) LED +// MSP430 launchpad also has RED_LED +#define GREEN_LED P1_0 +#define BLINKLED GREEN_LED +#define BLINKLED_ON() (digitalWrite(BLINKLED, HIGH)) +#define BLINKLED_OFF() (digitalWrite(BLINKLED, LOW)) + |