mirror of
https://github.com/PaulStoffregen/Tlc5940
synced 2025-09-27 10:02:20 +02:00
144 lines
4.3 KiB
C++
144 lines
4.3 KiB
C++
/* Copyright (c) 2009 by Alex Leone <acleone ~AT~ gmail.com>
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This file is part of the Arduino TLC5940 Library.
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The Arduino TLC5940 Library is free software: you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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The Arduino TLC5940 Library is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with The Arduino TLC5940 Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef TLC5940_H
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#define TLC5940_H
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/** \file
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Tlc5940 library header file. */
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#include <Arduino.h>
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#include "tlc_config.h"
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#define min(a,b) \
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({ __typeof__ (a) _a = (a); \
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__typeof__ (b) _b = (b); \
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_a < _b ? _a : _b; })
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#define max(a,b) \
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({ __typeof__ (a) _a = (a); \
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__typeof__ (b) _b = (b); \
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_a > _b ? _a : _b; })
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#if defined(__AVR__)
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#ifdef TLC_ATMEGA_8_H
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/** Enables the Timer1 Overflow interrupt, which will fire after an XLAT
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pulse */
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#define set_XLAT_interrupt() TIFR |= _BV(TOV1); TIMSK = _BV(TOIE1)
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/** Disables any Timer1 interrupts */
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#define clear_XLAT_interrupt() TIMSK = 0
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#else
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/** Enables the Timer1 Overflow interrupt, which will fire after an XLAT
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pulse */
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#define set_XLAT_interrupt() TIFR1 |= _BV(TOV1); TIMSK1 = _BV(TOIE1)
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/** Disables any Timer1 interrupts */
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#define clear_XLAT_interrupt() TIMSK1 = 0
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#endif
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/** Enables the output of XLAT pulses */
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#define enable_XLAT_pulses() TCCR1A = _BV(COM1A1) | _BV(COM1B1)
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/** Disables the output of XLAT pulses */
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#define disable_XLAT_pulses() TCCR1A = _BV(COM1B1)
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#elif defined(__arm__) && defined(TEENSYDUINO)
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#if defined(__IMXRT1062__)
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#define set_XLAT_interrupt() FLEXPWM4_SM2STS = FLEXPWM_SMSTS_RF; FLEXPWM4_SM2INTEN = FLEXPWM_SMINTEN_RIE;
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#define clear_XLAT_interrupt() FLEXPWM4_SM2INTEN = 0;
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#define enable_XLAT_pulses() CORE_PIN3_CONFIG = 1;
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#define disable_XLAT_pulses() CORE_PIN3_CONFIG = 5;
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#else
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#define set_XLAT_interrupt() FTM1_SC = FTM_SC_CLKS(1) | FTM_SC_CPWMS | FTM_SC_TOIE | (FTM1_SC & FTM_SC_PS(7))
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#define clear_XLAT_interrupt() FTM1_SC = FTM_SC_CLKS(1) | FTM_SC_CPWMS | (FTM1_SC & FTM_SC_PS(7))
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#define enable_XLAT_pulses() CORE_PIN3_CONFIG = PORT_PCR_MUX(3)|PORT_PCR_DSE|PORT_PCR_SRE
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#define disable_XLAT_pulses() CORE_PIN3_CONFIG = PORT_PCR_MUX(1)|PORT_PCR_DSE|PORT_PCR_SRE
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#endif
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#endif
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extern volatile uint8_t tlc_needXLAT;
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extern volatile void (*tlc_onUpdateFinished)(void);
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extern uint8_t tlc_GSData[NUM_TLCS * 24];
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extern uint8_t tlc_DCData[NUM_TLCS * 12];
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/** The main Tlc5940 class for the entire library. An instance of this class
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will be preinstantiated as Tlc. */
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class Tlc5940
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{
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public:
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void init( uint16_t initialValue = 0,
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int sin = DEFAULT_TLC_MOSI_PIN,
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int sout = DEFAULT_TLC_MISO_PIN,
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int sclk = DEFAULT_TLC_SCK_PIN,
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int xlat = DEFAULT_XLAT_PIN,
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int blank = DEFAULT_BLANK_PIN,
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int gsclk = DEFAULT_GSCLK_PIN,
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int vprg = DEFAULT_VPRG_PIN,
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int xerr = DEFAULT_XERR_PIN );
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void clear(void);
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uint8_t update(void);
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void set(TLC_CHANNEL_TYPE channel, uint16_t value);
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uint16_t get(TLC_CHANNEL_TYPE channel);
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void setAll(uint16_t value);
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#if VPRG_ENABLED
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void updateDC(void);
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void setDC(TLC_CHANNEL_TYPE channel, uint8_t value);
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uint8_t getDC(TLC_CHANNEL_TYPE channel);
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void setAllDC(uint8_t value);
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#endif
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#if XERR_ENABLED
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uint8_t readXERR(void);
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#endif
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#if defined (ARDUINO_ARCH_ESP32)
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volatile int TLC5940_xlat_enabled = 0;
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volatile int TLC5940_interrupt_enabled = 0;
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void XLAT_mode(int val);
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void INT_mode(int val);
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#endif
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};
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void tlc_shift8_init(void);
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void tlc_shift8(uint8_t byte);
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#if VPRG_ENABLED
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void tlc_dcModeStart(void);
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void tlc_dcModeStop(void);
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#endif
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// for the preinstantiated Tlc variable.
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extern Tlc5940 Tlc;
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#if defined (ARDUINO_ARCH_ESP32)
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#define set_XLAT_interrupt() Tlc.XLAT_mode(1)
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#define clear_XLAT_interrupt() Tlc.XLAT_mode(0)
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#define enable_XLAT_pulses() Tlc.INT_mode(1)
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#define disable_XLAT_pulses() Tlc.INT_mode(0)
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#endif
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#endif
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