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Merge pull request #253 from JelmerT/feature-z1-tlc59116
TLC59116 I2C led driver for Zolertia Z1
This commit is contained in:
commit
8f5941a4c9
@ -2,7 +2,7 @@ ifndef TARGET
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TARGET=z1
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endif
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CONTIKI_PROJECT = test-phidgets blink test-adxl345 test-tmp102 test-light-ziglet test-battery test-sht11 test-relay-phidget #test-potent
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CONTIKI_PROJECT = test-phidgets blink test-adxl345 test-tmp102 test-light-ziglet test-battery test-sht11 test-relay-phidget test-tlc59116 #test-potent
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CONTIKI_SOURCEFILES += sht11.c# potentiometer-sensor.c
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APPS=serial-shell
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84
examples/z1/test-tlc59116.c
Normal file
84
examples/z1/test-tlc59116.c
Normal file
@ -0,0 +1,84 @@
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/*
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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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* A simple program for testing the TLC59116 I2C led driver.
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* All 16 outputs will sequencially light up.
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* \author
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* Jelmer Tiete, VUB <jelmer@tiete.be>
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*/
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#include <stdio.h>
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#include "contiki.h"
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#include "dev/tlc59116.h"
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#define BLINK_INTERVAL CLOCK_SECOND/25
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/*---------------------------------------------------------------------------*/
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PROCESS(tlc59116_process, "Test tlc59116 process");
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AUTOSTART_PROCESSES(&tlc59116_process);
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/*---------------------------------------------------------------------------*/
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/* Main process, setups */
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static struct etimer et;
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static uint8_t count = 0;
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PROCESS_THREAD(tlc59116_process, ev, data)
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{
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PROCESS_BEGIN();
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{
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/* Start and setup the led driver with default values, eg outputs on and pwm enabled and 0. */
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tlc59116_init();
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while(1) {
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tlc59116_led(count, 0x00);
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tlc59116_led((count + 1) % 16, 0x20);
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tlc59116_led((count + 2) % 16, 0x40);
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tlc59116_led((count + 3) % 16, 0xFF);
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count++;
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if(count > 15) {
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count = 0;
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}
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etimer_set(&et, BLINK_INTERVAL);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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@ -17,7 +17,7 @@ ARCH=msp430.c leds.c watchdog.c xmem.c \
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checkpoint-arch.c slip.c slip_uart0.c \
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z1-phidgets.c sht11.c sht11-sensor.c light-sensor.c \
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battery-sensor.c sky-sensors.c tmp102.c temperature-sensor.c light-ziglet.c \
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relay-phidget.c
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relay-phidget.c tlc59116.c
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CONTIKI_TARGET_DIRS = . dev apps net
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ifndef CONTIKI_TARGET_MAIN
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191
platform/z1/dev/tlc59116.c
Normal file
191
platform/z1/dev/tlc59116.c
Normal file
@ -0,0 +1,191 @@
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/*
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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 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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#include <stdio.h>
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#include "contiki.h"
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#include "tlc59116.h"
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#include "i2cmaster.h"
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/*---------------------------------------------------------------------------*/
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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
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tlc59116_write_reg(uint8_t reg, uint8_t val)
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{
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uint8_t tx_buf[] = { reg, val };
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i2c_transmitinit(TLC59116_ADDR);
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while(i2c_busy());
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PRINTFDEBUG("I2C Ready to TX\n");
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i2c_transmit_n(2, tx_buf);
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while(i2c_busy());
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PRINTFDEBUG("WRITE_REG 0x%02X @ reg 0x%02X\n", val, reg);
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}
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/*---------------------------------------------------------------------------*/
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/* Write several registers from a stream.
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* args:
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* len number of bytes to write
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* data pointer to where the data is written from
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*
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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 second byte and increasing.
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*/
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void
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tlc59116_write_stream(uint8_t len, uint8_t * data)
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{
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i2c_transmitinit(TLC59116_ADDR);
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while(i2c_busy());
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PRINTFDEBUG("I2C Ready to TX(stream)\n");
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i2c_transmit_n(len, data); // start tx and send conf reg
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while(i2c_busy());
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PRINTFDEBUG("WRITE_STR %u B to 0x%02X\n", len, data[0]);
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}
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/*---------------------------------------------------------------------------*/
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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
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tlc59116_read_reg(uint8_t reg)
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{
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uint8_t retVal = 0;
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uint8_t rtx = reg;
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PRINTFDEBUG("READ_REG 0x%02X\n", reg);
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/* transmit the register to read */
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i2c_transmitinit(TLC59116_ADDR);
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while(i2c_busy());
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i2c_transmit_n(1, &rtx);
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while(i2c_busy());
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/* receive the data */
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i2c_receiveinit(TLC59116_ADDR);
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while(i2c_busy());
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i2c_receive_n(1, &retVal);
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while(i2c_busy());
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return retVal;
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}
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/*---------------------------------------------------------------------------*/
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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
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tlc59116_read_stream(uint8_t reg, uint8_t len, uint8_t * whereto)
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{
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uint8_t rtx = reg;
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PRINTFDEBUG("READ_STR %u B from 0x%02X\n", len, reg);
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/* transmit the register to start reading from */
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i2c_transmitinit(TLC59116_ADDR);
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while(i2c_busy());
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i2c_transmit_n(1, &rtx);
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while(i2c_busy());
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/* receive the data */
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i2c_receiveinit(TLC59116_ADDR);
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while(i2c_busy());
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i2c_receive_n(len, whereto);
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while(i2c_busy());
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}
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/*---------------------------------------------------------------------------*/
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/* Set pwm value for individual led. Make sure PWM mode is enabled.
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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
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tlc59116_led(uint8_t led, uint8_t pwm)
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{
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if(led < 0 | led > 15) {
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PRINTFDEBUG("TLC59116: wrong led value.");
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} else {
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tlc59116_write_reg(led + TLC59116_PWM0, pwm);
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}
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}
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/*---------------------------------------------------------------------------*/
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/* Init the led driver: ports, pins, registers, interrupts (none enabled), I2C,
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* default threshold values etc.
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*/
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void
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tlc59116_init(void)
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{
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/* Set up ports and pins for I2C communication */
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i2c_enable();
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/* set default register values. */
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tlc59116_write_reg(TLC59116_MODE1, TLC59116_MODE1_DEFAULT);
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tlc59116_write_reg(TLC59116_MODE2, TLC59116_MODE2_DEFAULT);
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/*Set all PWM values to 0x00 (off) */
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/*This would maybe be better with a SWRST */
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uint8_t tx_buf[] =
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{ TLC59116_PWM0_AUTOINCR, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
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tlc59116_write_stream(17, &tx_buf);
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/* set all leds to PWM control */
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tlc59116_write_reg(TLC59116_LEDOUT0, TLC59116_LEDOUT_PWM);
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tlc59116_write_reg(TLC59116_LEDOUT1, TLC59116_LEDOUT_PWM);
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tlc59116_write_reg(TLC59116_LEDOUT2, TLC59116_LEDOUT_PWM);
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tlc59116_write_reg(TLC59116_LEDOUT3, TLC59116_LEDOUT_PWM);
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}
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142
platform/z1/dev/tlc59116.h
Normal file
142
platform/z1/dev/tlc59116.h
Normal file
@ -0,0 +1,142 @@
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/*
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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
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* 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
|
||||
* products derived from this software without specific prior
|
||||
* written permission.
|
||||
*
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||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
|
||||
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
|
||||
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
||||
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||||
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
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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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