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@ -7,6 +7,7 @@
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#include <avr/io.h>
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#include <stdlib.h>
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#include "ws2801.h"
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/*
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L'espace mémoir à envoyer au ci est constituer comme ça :
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@ -19,16 +20,17 @@ t[] |---0---|---1---|---2---||---3---|---4---|---5---||...||-3*N+0-|-3*N+1-|-3*
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Pour l'envois, il faut commencer par le bit 7 !
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*/
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main()
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{}
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ws2801::ws2801(uint8_t pin_clk, uint8_t pin_data, uint8_t *port, uint8_t nbr_ci)
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{
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this->pin_clk = pin_clk;
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this->pin_data = pin_data;
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this->port = port;
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this->nbr_ci = nbr_ci;
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data = calloc(3*nbr_ci, 1);
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data = (uint8_t*)calloc(3*nbr_ci, 1);
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ddr = port-1;
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*ddr |= (1<<pin_ckl)|(1<<pin_data);
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*ddr |= (1<<pin_clk)|(1<<pin_data);
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}
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void ws2801::conf(uint8_t pin_clk, uint8_t pin_data, uint8_t *port, uint8_t nbr_ci)
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{
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@ -36,13 +38,35 @@ Pour l'envois, il faut commencer par le bit 7 !
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this->pin_data = pin_data;
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this->port = port;
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this->nbr_ci = nbr_ci;
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data = realloc(data,3*nbr_ci);
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data = (uint8_t*)realloc(data,3*nbr_ci);
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ddr = port-1;
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*ddr |= (1<<pin_ckl)|(1<<pin_data);
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*ddr |= (1<<pin_clk)|(1<<pin_data);
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}
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void ws2801::toSend(uint8_t LEDn, uint8_t val, Color couleur)
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{
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*(data+32*LEDn+couleur) = val;
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}
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void ws2801::toSend(uint8_t LEDn, uint8_t val)
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{
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*(data+LEDn) = val;
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}
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void ws2801::send()
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{
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sendRaw(data, 3*nbr_ci);
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}
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void ws2801::toSend(uint8_t ciN, uint8_t val, Color couleur)
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void ws2801::sendRaw(uint8_t *data,uint8_t size)
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{
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*(data+32*ciN+couleur) = val;
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int i,j,m;
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for(i=0;i<size;i++)
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{
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for(j=0,m=0x80;j<8;j++)
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{
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*port &= ~(_BV(pin_clk));
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*port = (*port&(~(_BV(pin_data))))|((data[i]&m)?_BV(pin_data):0);
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if(m==0x01)
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m=0x80;
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else
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m>>=1;
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}
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}
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}
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void ws2801::send();
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void ws2801::senRaw(uint8_t *data,uint8_t size);
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