From cc2567b9880e37cd683ad8cf5a2ca40285dd814c Mon Sep 17 00:00:00 2001
From: Jelmer Tiete <jelmer@tiete.be>
Date: Thu, 23 May 2013 17:52:02 +0200
Subject: [PATCH] working tlc59116 implementation for z1

---
 examples/z1/test-tlc59116.c | 13 ++++++++++---
 platform/z1/dev/tlc59116.c  | 17 +++++++++++++----
 platform/z1/dev/tlc59116.h  |  4 ++--
 3 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/examples/z1/test-tlc59116.c b/examples/z1/test-tlc59116.c
index 6fbee8d03..f2d771cd5 100644
--- a/examples/z1/test-tlc59116.c
+++ b/examples/z1/test-tlc59116.c
@@ -41,7 +41,7 @@
 #include "contiki.h"
 #include "dev/tlc59116.h"
 
-#define BLINK_INTERVAL        CLOCK_SECOND/2
+#define BLINK_INTERVAL        CLOCK_SECOND/25
 
 /*---------------------------------------------------------------------------*/
 PROCESS(tlc59116_process, "Test tlc59116 process");
@@ -51,6 +51,7 @@ AUTOSTART_PROCESSES(&tlc59116_process);
 /* Main process, setups  */
 
 static struct etimer et;
+static uint8_t count = 0;
 
 PROCESS_THREAD(tlc59116_process, ev, data) {
   PROCESS_BEGIN();
@@ -61,8 +62,14 @@ PROCESS_THREAD(tlc59116_process, ev, data) {
 
     while (1) {
 
-      tlc59116_led(0x02,0xFF);
-printf("Ping.\n");
+      tlc59116_led(count,0x00);
+      tlc59116_led((count+1)%16,0x20);
+      tlc59116_led((count+2)%16,0x40);
+      tlc59116_led((count+3)%16,0xFF);
+
+      count++;
+      if(count>15) count=0;
+
       etimer_set(&et, BLINK_INTERVAL);
       PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
     }
diff --git a/platform/z1/dev/tlc59116.c b/platform/z1/dev/tlc59116.c
index 9e5bd5df3..b1c01ca61 100644
--- a/platform/z1/dev/tlc59116.c
+++ b/platform/z1/dev/tlc59116.c
@@ -43,6 +43,15 @@
 #include "tlc59116.h"
 #include "i2cmaster.h"
 
+
+#if 0
+#include <stdio.h>
+#define PRINTFDEBUG(...) printf(__VA_ARGS__)
+#else
+#define PRINTFDEBUG(...)
+#endif
+
+
 /*---------------------------------------------------------------------------*/
 /* Write to a register.
     args:
@@ -142,11 +151,11 @@ tlc59116_read_stream(uint8_t reg, uint8_t len, uint8_t *whereto) {
 
 void
 tlc59116_led(uint8_t led, uint8_t pwm) {
-  if (led<1 | led>16) {
+  if (led<0 | led>15) {
     PRINTFDEBUG("TLC59116: wrong led value.");
-  }
-
-  tlc59116_write_reg(led, pwm);
+  }//else{
+  tlc59116_write_reg(led+TLC59116_PWM0, pwm);
+//  }
 }
 
 /*---------------------------------------------------------------------------*/
diff --git a/platform/z1/dev/tlc59116.h b/platform/z1/dev/tlc59116.h
index daa40bb3e..33e742c5a 100644
--- a/platform/z1/dev/tlc59116.h
+++ b/platform/z1/dev/tlc59116.h
@@ -96,8 +96,8 @@ void    tlc59116_led(uint8_t led, uint8_t pwm);
 /* -------------------------------------------------------------------------- */
 /* Reference definitions, should not be changed */
 /* TLC59116 slave address */
-#define TLC59116_ADDR            0xC0 //adress with all adress pins pulled to ground
-#define TLC59116_ALLCALL	 0xD0
+#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
 
 /* TLC59116 registers */