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
|
|
@ -33,6 +33,7 @@
|
|||
/**
|
||||
* \file
|
||||
* A simple program for testing the TLC59116 I2C led driver.
|
||||
* All 16 outputs will sequencially light up.
|
||||
* \author
|
||||
* Jelmer Tiete, VUB <jelmer@tiete.be>
|
||||
*/
|
||||
|
|
@ -57,7 +58,7 @@ PROCESS_THREAD(tlc59116_process, ev, data) {
|
|||
PROCESS_BEGIN();
|
||||
{
|
||||
|
||||
/* Start and setup the led driver with default values, eg outputs on and pwm enabled. */
|
||||
/* Start and setup the led driver with default values, eg outputs on and pwm enabled and 0. */
|
||||
tlc59116_init();
|
||||
|
||||
while (1) {
|
||||
|
|
@ -78,4 +79,3 @@ PROCESS_THREAD(tlc59116_process, ev, data) {
|
|||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
|
|
|
|||
|
|
@ -32,7 +32,7 @@
|
|||
|
||||
/**
|
||||
* \file
|
||||
* Device drivers for tlc5916 led driver in Zolertia Z1.
|
||||
* Device drivers for tlc5916 i2c led driver on Zolertia Z1.
|
||||
* \author
|
||||
* Jelmer Tiete, VUB <jelmer@tiete.be>
|
||||
*/
|
||||
|
|
@ -44,14 +44,6 @@
|
|||
#include "i2cmaster.h"
|
||||
|
||||
|
||||
#if 0
|
||||
#include <stdio.h>
|
||||
#define PRINTFDEBUG(...) printf(__VA_ARGS__)
|
||||
#else
|
||||
#define PRINTFDEBUG(...)
|
||||
#endif
|
||||
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/* Write to a register.
|
||||
args:
|
||||
|
|
@ -74,8 +66,8 @@ tlc59116_write_reg(uint8_t reg, uint8_t val) {
|
|||
/*---------------------------------------------------------------------------*/
|
||||
/* Write several registers from a stream.
|
||||
args:
|
||||
len number of bytes to read
|
||||
data pointer to where the data is read from
|
||||
len number of bytes to write
|
||||
data pointer to where the data is written from
|
||||
|
||||
First byte in stream must be the register address to begin writing to.
|
||||
The data is then written from second byte and increasing. */
|
||||
|
|
@ -86,7 +78,7 @@ tlc59116_write_stream(uint8_t len, uint8_t *data) {
|
|||
while (i2c_busy());
|
||||
PRINTFDEBUG("I2C Ready to TX(stream)\n");
|
||||
|
||||
i2c_transmit_n(len, data); // start tx and send conf reg
|
||||
i2c_transmit_n(len, data); // start tx and send conf reg
|
||||
while (i2c_busy());
|
||||
PRINTFDEBUG("WRITE_STR %u B to 0x%02X\n", len, data[0]);
|
||||
}
|
||||
|
|
@ -146,21 +138,22 @@ tlc59116_read_stream(uint8_t reg, uint8_t len, uint8_t *whereto) {
|
|||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/* Set pwm value for individual led
|
||||
*/
|
||||
/* Set pwm value for individual led. Make sure PWM mode is enabled.
|
||||
*/
|
||||
|
||||
void
|
||||
tlc59116_led(uint8_t led, uint8_t pwm) {
|
||||
if (led<0 | led>15) {
|
||||
PRINTFDEBUG("TLC59116: wrong led value.");
|
||||
}//else{
|
||||
}else{
|
||||
tlc59116_write_reg(led+TLC59116_PWM0, pwm);
|
||||
// }
|
||||
}
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/* Init the led driver: ports, pins, registers, interrupts (none enabled), I2C,
|
||||
default threshold values etc. */
|
||||
default threshold values etc.
|
||||
*/
|
||||
|
||||
void
|
||||
tlc59116_init(void) {
|
||||
|
|
@ -171,10 +164,14 @@ tlc59116_init(void) {
|
|||
tlc59116_write_reg(TLC59116_MODE1, TLC59116_MODE1_DEFAULT);
|
||||
tlc59116_write_reg(TLC59116_MODE2, TLC59116_MODE2_DEFAULT);
|
||||
|
||||
/*Set all PWM values to 0x00 (off)*/
|
||||
//This would maybe be better with a SWRST
|
||||
uint8_t tx_buf[] = {TLC59116_PWM0_AUTOINCR,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
|
||||
tlc59116_write_stream(17,&tx_buf);
|
||||
|
||||
/* set all leds to PWM control */
|
||||
tlc59116_write_reg(TLC59116_LEDOUT0,TLC59116_LEDOUT_PWM);
|
||||
tlc59116_write_reg(TLC59116_LEDOUT1,TLC59116_LEDOUT_PWM);
|
||||
tlc59116_write_reg(TLC59116_LEDOUT2,TLC59116_LEDOUT_PWM);
|
||||
tlc59116_write_reg(TLC59116_LEDOUT3,TLC59116_LEDOUT_PWM);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -32,7 +32,7 @@
|
|||
|
||||
/**
|
||||
* \file
|
||||
* Device drivers header file for TLC59116 led driver in Zolertia Z1.
|
||||
* Device drivers header file for TLC59116 i2c led driver on Zolertia Z1.
|
||||
* \author
|
||||
* Jelmer Tiete, VUB <jelmer@tiete.be>
|
||||
*/
|
||||
|
|
@ -42,6 +42,14 @@
|
|||
#include <stdio.h>
|
||||
#include "dev/i2cmaster.h"
|
||||
|
||||
#if 0
|
||||
#include <stdio.h>
|
||||
#define PRINTFDEBUG(...) printf(__VA_ARGS__)
|
||||
#else
|
||||
#define PRINTFDEBUG(...)
|
||||
#endif
|
||||
|
||||
|
||||
/* -------------------------------------------------------------------------- */
|
||||
/* Init the led driver: ports, pins, registers, I2C*/
|
||||
void tlc59116_init(void);
|
||||
|
|
@ -59,7 +67,8 @@ void tlc59116_write_reg(uint8_t reg, uint8_t val);
|
|||
data pointer to where the data is read from
|
||||
First byte in stream must be the register address to begin writing to.
|
||||
The data is then written from the second byte and increasing. The address byte
|
||||
is not included in length len. */
|
||||
is not included in length len.
|
||||
*/
|
||||
void tlc59116_write_stream(uint8_t len, uint8_t *data);
|
||||
|
||||
/* Read one register.
|
||||
|
|
@ -77,12 +86,11 @@ uint8_t tlc59116_read_reg(uint8_t reg);
|
|||
*/
|
||||
void tlc59116_read_stream(uint8_t reg, uint8_t len, uint8_t *whereto);
|
||||
|
||||
/* Set pwm value for individual led
|
||||
/* Set pwm value for individual led
|
||||
args:
|
||||
led led output -> 1 till 16
|
||||
led led output -> 0 till 15
|
||||
pwm led pwm value
|
||||
*/
|
||||
|
||||
void tlc59116_led(uint8_t led, uint8_t pwm);
|
||||
|
||||
|
||||
|
|
@ -90,19 +98,20 @@ void tlc59116_led(uint8_t led, uint8_t pwm);
|
|||
/* Application definitions, change if required by application. */
|
||||
|
||||
/* Suggested defaults according to the data sheet etc */
|
||||
#define TLC59116_MODE1_DEFAULT 0x80 //
|
||||
#define TLC59116_MODE2_DEFAULT 0x00 //
|
||||
#define TLC59116_MODE1_DEFAULT 0x80 //
|
||||
#define TLC59116_MODE2_DEFAULT 0x00 //
|
||||
|
||||
#define TLC59116_LEDOUT_PWM 0xAA // LDRx = 01 -> PWM, 4 leds per reg: 01010101 -> 0xAA
|
||||
|
||||
/* -------------------------------------------------------------------------- */
|
||||
/* Reference definitions, should not be changed */
|
||||
/* TLC59116 slave address */
|
||||
#define TLC59116_ADDR 0x60 //7bit adress 0xC0 8bit adress; adress with all adress pins pulled to ground
|
||||
//#define TLC59116_ALLCALL 0xD0
|
||||
#define TLC59116_LEDOUT_PWM 0xAA // LDRx = 01 -> PWM, 4 leds per reg: 01010101 -> 0xAA
|
||||
|
||||
#define TLC59116_ADDR 0x60 //7bit adress, 8bit write adress: 0xC0
|
||||
//address with all address pins pulled to ground
|
||||
/* TLC59116 registers */
|
||||
#define TLC59116_MODE1 0x00
|
||||
#define TLC59116_MODE2 0x01
|
||||
#define TLC59116_PWM0_AUTOINCR 0xA2 //
|
||||
#define TLC59116_PWM0 0x02
|
||||
#define TLC59116_PWM1 0x03
|
||||
#define TLC59116_PWM2 0x04
|
||||
|
|
@ -126,7 +135,7 @@ void tlc59116_led(uint8_t led, uint8_t pwm);
|
|||
#define TLC59116_LEDOUT2 0x16
|
||||
#define TLC59116_LEDOUT3 0x17
|
||||
|
||||
/* More registers, but not used in this implementation */
|
||||
/* More registers follow, but not used in this implementation */
|
||||
|
||||
/* -------------------------------------------------------------------------- */
|
||||
#endif /* ifndef __ADXL345_H__ */
|
||||
|
|
|
|||
Loading…
Reference in a new issue