49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
/*
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* ws2801.cpp
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*
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* Created: 26-12-16 21:57:10
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* Author: Adrien
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*/
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#include <avr/io.h>
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#include <stdlib.h>
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/*
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L'espace mémoir à envoyer au ci est constituer comme ça :
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ciN |-----------0-----------||-----------1-----------||...||-----------N-----------| Ci numéro
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coulB |R7...R0|G7...G0|B7...B0||R7...R0|G7...G0|B7...B0||...||R7...R0|G7...G0|B7...B0| Valeur Couleurs bit n
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coul |--RED--|-GREEN-|--BLUE-||--RED--|-GREEN-|--BLUE-||...||--RED--|-GREEN-|--BLUE-| Valeur Couleurs
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bitN |7.....0|7.....0|7.....0||7.....0|7.....0|7.....0||...||7.....0|7.....0|7.....0| Bit n
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t[] |---0---|---1---|---2---||---3---|---4---|---5---||...||-3*N+0-|-3*N+1-|-3*N+3-| Emplacement dans le tableau
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Pour l'envois, il faut commencer par le bit 7 !
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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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ddr = port-1;
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*ddr |= (1<<pin_ckl)|(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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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 = 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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}
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void ws2801::toSend(uint8_t ciN, uint8_t val, Color couleur)
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{
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*(data+32*ciN+couleur) = val;
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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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