142 lines
5.1 KiB
C
142 lines
5.1 KiB
C
/*
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* Copyright (c) 2013, Jelmer Tiete.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \file
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* Device drivers header file for TLC59116 i2c led driver on Zolertia Z1.
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* See http://www.ti.com/product/tlc59116 for datasheet.
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* \author
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* Jelmer Tiete, VUB <jelmer@tiete.be>
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*/
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#ifndef TLC59116_H_
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#define TLC59116_H_
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#include <stdio.h>
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#include "dev/i2cmaster.h"
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#if 0
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#include <stdio.h>
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#define PRINTFDEBUG(...) printf(__VA_ARGS__)
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#else
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#define PRINTFDEBUG(...)
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#endif
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/* -------------------------------------------------------------------------- */
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/* Init the led driver: ports, pins, registers, I2C*/
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void tlc59116_init(void);
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/* Write to a register.
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* args:
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* reg register to write to
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* val value to write
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*/
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void tlc59116_write_reg(uint8_t reg, uint8_t val);
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/* Write several registers from a stream.
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* args:
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* len number of bytes to read
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* data pointer to where the data is read from
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* First byte in stream must be the register address to begin writing to.
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* The data is then written from the second byte and increasing. The address byte
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* is not included in length len.
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*/
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void tlc59116_write_stream(uint8_t len, uint8_t * data);
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/* Read one register.
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* args:
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* reg what register to read
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* returns the value of the read register
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*/
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uint8_t tlc59116_read_reg(uint8_t reg);
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/* Read several registers in a stream.
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* args:
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* reg what register to start reading from
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* len number of bytes to read
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* whereto pointer to where the data is saved
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*/
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void tlc59116_read_stream(uint8_t reg, uint8_t len, uint8_t * whereto);
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/* Set pwm value for individual led
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* args:
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* led led output -> 0 till 15
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* pwm led pwm value
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*/
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void tlc59116_led(uint8_t led, uint8_t pwm);
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/* -------------------------------------------------------------------------- */
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/* Application definitions, change if required by application. */
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/* Suggested defaults according to the data sheet etc */
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#define TLC59116_MODE1_DEFAULT 0x00 // Default (no sub or all call) + OSC on
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#define TLC59116_MODE2_DEFAULT 0x00 // Default (output change on stop)
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#define TLC59116_LEDOUT_PWM 0xAA // LDRx = 01 -> PWM; 4 leds per reg: 01010101b -> 0xAA
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/* -------------------------------------------------------------------------- */
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/* Reference definitions, should not be changed */
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/* TLC59116 slave address */
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#define TLC59116_ADDR 0x60 //7bit adress, 8bit write adress: 0xC0
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//address with all address pins pulled to ground
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/* TLC59116 registers */
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#define TLC59116_MODE1 0x00
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#define TLC59116_MODE2 0x01
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#define TLC59116_PWM0_AUTOINCR 0xA2 //auto increment address for first pwm register
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#define TLC59116_PWM0 0x02
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#define TLC59116_PWM1 0x03
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#define TLC59116_PWM2 0x04
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#define TLC59116_PWM3 0x05
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#define TLC59116_PWM4 0x06
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#define TLC59116_PWM5 0x07
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#define TLC59116_PWM6 0x08
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#define TLC59116_PWM7 0x09
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#define TLC59116_PWM8 0x0A
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#define TLC59116_PWM9 0x0B
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#define TLC59116_PWM10 0x0C
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#define TLC59116_PWM11 0x0D
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#define TLC59116_PWM12 0x0E
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#define TLC59116_PWM13 0x0F
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#define TLC59116_PWM14 0x10
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#define TLC59116_PWM15 0x11
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#define TLC59116_GRPPWM 0x12
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#define TLC59116_GRPFREQ 0x13
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#define TLC59116_LEDOUT0 0x14
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#define TLC59116_LEDOUT1 0x15
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#define TLC59116_LEDOUT2 0x16
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#define TLC59116_LEDOUT3 0x17
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/* More registers follow, but not used in this implementation */
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/* -------------------------------------------------------------------------- */
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#endif /* ifndef TLC59116_H_ */
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