150 lines
2.9 KiB
C
150 lines
2.9 KiB
C
#include "can.h"
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#include "lap.h"
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#include "borg_can.h"
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#include "spi.h"
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#include "../borg_hw/borg_hw.h"
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#include <avr/pgmspace.h>
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#include <setjmp.h>
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#include <avr/interrupt.h>
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#include <avr/eeprom.h>
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#include <string.h>
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can_addr myaddr;
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extern jmp_buf newmode_jmpbuf;
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#ifdef LAP_TIME_EXTENSION
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//variables to save the last received hours and minutes
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//(accessible via lap.h)
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uint8_t lap_time_h, lap_time_m, lap_time_update = 0;
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#endif
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void bcan_init()
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{
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spi_init();
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can_init();
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myaddr = eeprom_read_byte(0x00);
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pdo_message *msg = (pdo_message *)can_buffer_get();
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msg->addr_src = myaddr;
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msg->addr_dst = 0xff;
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msg->port_src = PORT_BORG;
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msg->port_dst = PORT_BORG;
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msg->dlc = 4;
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msg->cmd = FKT_BORG_INFO;
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msg->data[0] = NUM_ROWS;
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msg->data[1] = NUM_COLS;
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msg->data[2] = NUMPLANE;
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can_transmit((can_message *)msg);
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}
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void process_mgt_msg(pdo_message *msg)
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{
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pdo_message *rmsg;
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switch(msg->cmd) {
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case FKT_MGT_RESET:
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timer0_off();
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cli();
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while(1);
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break;
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case FKT_MGT_PING:
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rmsg = (pdo_message *)can_buffer_get();
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rmsg->addr_dst = msg->addr_src;
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rmsg->addr_src = myaddr;
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rmsg->port_dst = msg->port_src;
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rmsg->port_src = msg->port_dst;
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rmsg->cmd = FKT_MGT_PONG;
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rmsg->dlc = 1;
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can_transmit((can_message *)rmsg);
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break;
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#ifdef LAP_TIME_EXTENSION
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//if we get a time reply, save it
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case FKT_MGT_TIMEREPLY:
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lap_time_h = msg->data[0];
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lap_time_m = msg->data[1];
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lap_time_update = 1;
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break;
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#endif
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}
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}
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void process_borg_msg(pdo_message *msg)
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{
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unsigned char i, j;
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switch(msg->cmd) {
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case FKT_BORG_MODE:
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longjmp(newmode_jmpbuf, msg->data[0]);
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break;
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case FKT_BORG_SCROLLTEXT_RESET:
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for(i=0; i < msg->dlc-1; i++) {
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scrolltext_text[i] = msg->data[i];
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}
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scrolltext_text[i] = 0;
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break;
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case FKT_BORG_SCROLLTEXT_APPEND:
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j=0;
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while(scrolltext_text[j]) j++;
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for(i=0; i < msg->dlc-1; i++) {
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scrolltext_text[i+j] = msg->data[i];
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}
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scrolltext_text[i+j] = 0;
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break;
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#ifdef Hansi_hat_gelernt_Werte_vorher_zu_definieren
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//========== blinkenstuff
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//clear the blinkenbackbuffer to color
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case FKT_BLINK_CLEARBUF:
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blink_clearbuf(msg->data[0]);
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break;
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//set auto position increment flag
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case FKT_BLINK_SETAUTOPOS:
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blink_setautopos(msg->data[0]);
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break;
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//set the current blinkenbuffer offset position
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case FKT_BLINK_SETPOS:
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blink_setpos(msg->data[0]);
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break;
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//puts the current blinkenbuffer to the frontbuffer
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case FKT_BLINK_SHOW:
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blink_show();
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break;
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//puts data into the blinkenbuffer
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case FKT_BLINK_DATA:
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blink_data(msg->data, msg->dlc - 1);
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break;
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#endif
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}
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}
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void bcan_process_messages()
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{
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pdo_message *msg = (pdo_message*) can_get_nb();
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while(msg) {
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if (!msg)
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return;
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if(msg->addr_dst == myaddr && msg->port_dst == PORT_MGT)
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process_mgt_msg(msg);
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if(msg->addr_dst == myaddr && msg->port_dst == PORT_BORG)
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process_borg_msg(msg);
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msg = (pdo_message*) can_get_nb();
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};
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}
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