tlc59116 for zolertia, added 0 values at init and code clean-up
This commit is contained in:
Jelmer Tiete
parent
cc2567b988
commit
ed8be502db
3 changed files with 38 additions and 32 deletions
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@ -33,6 +33,7 @@
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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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@ -57,7 +58,7 @@ PROCESS_THREAD(tlc59116_process, ev, data) {
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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. */
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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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@ -78,4 +79,3 @@ PROCESS_THREAD(tlc59116_process, ev, data) {
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}
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/*---------------------------------------------------------------------------*/
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@ -32,7 +32,7 @@
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/**
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* \file
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* Device drivers for tlc5916 led driver in Zolertia Z1.
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* Device drivers for tlc5916 i2c led driver on Zolertia Z1.
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* \author
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* Jelmer Tiete, VUB <jelmer@tiete.be>
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*/
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@ -44,14 +44,6 @@
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#include "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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/* Write to a register.
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args:
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@ -74,8 +66,8 @@ tlc59116_write_reg(uint8_t reg, uint8_t val) {
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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 read
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data pointer to where the data is read from
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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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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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@ -146,21 +138,22 @@ tlc59116_read_stream(uint8_t reg, uint8_t len, uint8_t *whereto) {
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}
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/*---------------------------------------------------------------------------*/
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/* Set pwm value for individual led
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*/
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/* Set pwm value for individual led. Make sure PWM mode is enabled.
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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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if (led<0 | led>15) {
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PRINTFDEBUG("TLC59116: wrong led value.");
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}//else{
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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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/*---------------------------------------------------------------------------*/
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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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default threshold values etc.
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*/
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void
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tlc59116_init(void) {
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@ -171,10 +164,14 @@ tlc59116_init(void) {
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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[] = {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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@ -32,7 +32,7 @@
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/**
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* \file
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* Device drivers header file for TLC59116 led driver in Zolertia Z1.
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* Device drivers header file for TLC59116 i2c led driver on Zolertia Z1.
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* \author
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* Jelmer Tiete, VUB <jelmer@tiete.be>
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*/
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@ -42,6 +42,14 @@
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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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@ -59,7 +67,8 @@ void tlc59116_write_reg(uint8_t reg, uint8_t val);
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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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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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@ -79,10 +88,9 @@ 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 -> 1 till 16
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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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@ -90,19 +98,20 @@ void tlc59116_led(uint8_t led, uint8_t pwm);
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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 0x80 //
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#define TLC59116_MODE2_DEFAULT 0x00 //
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#define TLC59116_MODE1_DEFAULT 0x80 //
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#define TLC59116_MODE2_DEFAULT 0x00 //
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#define TLC59116_LEDOUT_PWM 0xAA // LDRx = 01 -> PWM, 4 leds per reg: 01010101 -> 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 0xC0 8bit adress; adress with all adress pins pulled to ground
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//#define TLC59116_ALLCALL 0xD0
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#define TLC59116_LEDOUT_PWM 0xAA // LDRx = 01 -> PWM, 4 leds per reg: 01010101 -> 0xAA
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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 //
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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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@ -126,7 +135,7 @@ void tlc59116_led(uint8_t led, uint8_t pwm);
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#define TLC59116_LEDOUT2 0x16
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#define TLC59116_LEDOUT3 0x17
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/* More registers, but not used in this implementation */
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/* More registers follow, but not used in this implementation */
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/* -------------------------------------------------------------------------- */
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#endif /* ifndef __ADXL345_H__ */
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