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jackmicro
Joined: 07 May 2013 Posts: 23
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TM1809 |
Posted: Fri Nov 15, 2013 10:15 pm |
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Hello all,
Do any of you golden hearted coders know of any library to handle LED strips, namely the TM1809 chip?
Any help will be truly appreciated.
Jack |
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PCM programmer
Joined: 06 Sep 2003 Posts: 21708
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temtronic
Joined: 01 Jul 2010 Posts: 9170 Location: Greensville,Ontario
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Posted: Sat Nov 16, 2013 5:32 pm |
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here's a test I did 2 years ago....yikes, time flies !!
it might help...
jay
Code: |
//46k22_ws2801_2.c
//46k22 ws2801 8 LED test code
// working blu-grn-red-yel-vio-tel-bnk-wht
#include <18f46k22.h>
#include "46k22_fuses.h"
#include "46k22_pins.h"
#use delay(clock=16000000)
#use rs232(baud=9600,xmit=SIO_TX1,rcv=SIO_RX1,errors,stream=SIOport)
#use rs232(baud=9600,xmit=SIO_TX2,rcv=SIO_RX2,errors,stream=USBport)
#include "46k22_LCD.c"
#include "jay_DS1307.c"
#USE SPI (MASTER, SPI1, MODE=0, BITS=8, STREAM=SPI_1, MSB_FIRST)
#define LED_STRIP_LEN 8 // number of LEDs on the strip
#define RAND_MAX 255
unsigned int32 led_strip_colors[LED_STRIP_LEN];
void send_frame() {
unsigned int16 i;
unsigned int8 red,green,blue;
for(i=0;i<LED_STRIP_LEN;i++) {
blue = led_strip_colors[i] & 0xFF;
green = (led_strip_colors[i] >> 8) & 0xFF;
red = (led_strip_colors[i] >> 16) & 0xFF;
spi_write(red);
spi_write(green);
spi_write(blue);
}
delay_us(500); // delay 500us to latch the IC
}
void main()
{
unsigned int16 i;
unsigned int16 x;
lcd_init();
delay_ms(500);
printf(lcd_putc,"WS2801 test 1");
delay_ms(500);
while(true){
for(i = 0 ; i < LED_STRIP_LEN ; i++) {led_strip_colors[i] = 0;}
led_strip_colors[0] = 0xFF0000; // red
led_strip_colors[1] = 0x00FF00; // green
led_strip_colors[2] = 0x0000FF; // blue
led_strip_colors[3] = 0x00FFFF; // green + blue
led_strip_colors[4] = 0xFF00FF; // red + blue (purple)
led_strip_colors[5] = 0xFFFF00; // red + green (org)
led_strip_colors[6] = 0x000000; // off + off + off
led_strip_colors[7] = 0xFFFFFF; // red + green + blue (white)
send_frame();
delay_ms(500);
lcd_gotoxy(2,2);
printf(lcd_putc,"%lu pass",x);
x=x+1;
}// forever while loop
}// end of main
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jackmicro
Joined: 07 May 2013 Posts: 23
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Posted: Sat Nov 16, 2013 5:51 pm |
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many thanks. appreciated! |
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