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#define F_CPU 8000000
#include <stdint.h>
#include <stdbool.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include <avr/eeprom.h>
#include <avr/wdt.h>
#include <util/delay.h>
const uint8_t __signature[3] __attribute__((section (".signature"), used)) =
{ SIGNATURE_2, SIGNATURE_1, SIGNATURE_0 };
#define B_SCK 5
#define B_MISO 4
#define B_MOSI 3
#define B_SS 2
#define D_TXD 1
#define D_DALII 3
#define D_DALIO 4
#define D_LED1 5
#define D_LED2 6
#define D_TAST 7
#include "uart.c"
#include "tick.c"
#include "dali2.c"
#include "dali_ctl.c"
#include "dim.c"
#include "can.c"
#include "wdt.c"
#define CANA_DALI_BASE 0x440
static uint16_t ctr = 0;
static void can_handle_light(uint16_t sublab_addr)
{
/* - 7 allows overlapping writes to a nonaligned address.
* "base" below will start out at 0xf9~0xff in that case */
if (sublab_addr < CANA_DALI_BASE - 7)
return;
uint8_t base = sublab_addr - CANA_DALI_BASE, len = can_rx_len(), pos;
for (pos = 0; pos < len; pos++) {
uint8_t dst = base + pos, val;
if (dst >= 0x40)
continue;
val = can_rx_data[pos];
if (val == 0xff)
val = 0xfe;
uart_puts("++ SET ");
uart_puthex(dst);
uart_puts(" = ");
uart_puthex(val);
uart_puts("\n");
if (!val) {
// dim_state = 0;
dali_send((dst << 9) | 0x100);
} else {
// if (!dim_state && can_rx_data[0])
dali_send((dst << 9) | 0x108);
dali_send((dst << 9) | val);
}
}
/* resync clock for immediate ACK */
ctr = 500;
}
const uint8_t dalidisc_page0[6] PROGMEM = {0x01, 0x01, 0x00, 0x01, 0x00, 0x00};
const uint8_t dalidisc_page8[4] PROGMEM = {'D', 'A', 'L', 'I'};
static uint8_t dali_grab_value(uint8_t busaddr, uint8_t cmd)
{
dali_send(0x100 | (busaddr << 9) | cmd);
return dali_rx_avail ? dali_rx : 0xff;
}
static void can_handle_disco(uint16_t sublab_addr)
{
wdt_reset();
if (sublab_addr < CANA_DALI_BASE)
return;
uint8_t addr = sublab_addr - CANA_DALI_BASE;
uint8_t page = can_rx_sublab_disco_page();
uint8_t buf[8];
if (!can_rx_ext_rr()) {
uart_puts("nRR\n");
switch (page) {
case 5:
if (can_rx_len() != 2)
return;
dali_send((can_rx_data[0] << 8) | can_rx_data[1]);
can_send(CANA_DISCOVERY_F(page, sublab_addr), !!dali_rx_avail, (uint8_t *)&dali_rx);
return;
}
return;
}
#define loadpgm(what) for (uint8_t c = 0; c < sizeof(what); c++) buf[c] = pgm_read_byte(what + c);
switch (page) {
case 0:
loadpgm(dalidisc_page0);
can_send(CANA_DISCOVERY_F(page, sublab_addr), sizeof(dalidisc_page0), buf);
return;
case 6:
/* page 6:
* VERSION NUMBER
* DEVICE TYPE
* PHYSICAL MIN LEVEL
* RANDOM ADDRESS H
* RANDOM ADDRESS M
* RANDOM ADDRESS L
*/
buf[0] = dali_grab_value(addr, 0x97);
buf[1] = dali_grab_value(addr, 0x99);
buf[2] = dali_grab_value(addr, 0x9a);
buf[3] = dali_grab_value(addr, 0xc2);
buf[4] = dali_grab_value(addr, 0xc3);
buf[5] = dali_grab_value(addr, 0xc4);
can_send(CANA_DISCOVERY_F(page, sublab_addr), 6, buf);
return;
case 7:
/* page 7:
* ACTUAL DIM LEVEL
* MAX LEVEL
* MIN LEVEL
* POWER ON LEVEL
* SYSTEM FAILURE LEVEL
* FADE RATE, FADE TIME (2x 4 bit)
* STATUS
* SHORT ADDRESS (or 0xff if no device)
*/
for (uint8_t offs = 0; offs < 6; offs++)
buf[offs] = dali_grab_value(addr, 0xa0 + offs);
buf[6] = dali_grab_value(addr, 0x90);
dali_send(0x191 | (addr << 9));
buf[7] = dali_rx_avail ? addr : 0xff;
can_send(CANA_DISCOVERY_F(page, sublab_addr), 8, buf);
return;
case 8:
loadpgm(dalidisc_page8);
can_send(CANA_DISCOVERY_F(page, sublab_addr), sizeof(dalidisc_page8), buf);
return;
default:
can_send(CANA_DISCOVERY_F(page, sublab_addr), 0, NULL);
}
}
static void can_rx_exec(void)
{
uint16_t sublab_addr, sublab_proto;
if (!can_rx_isext())
return;
sublab_addr = can_rx_sublab_addr();
if (sublab_addr >= CANA_DALI_BASE + 64)
return;
sublab_proto = can_rx_sublab_proto();
switch (sublab_proto) {
case 0xcc08:
can_handle_light(sublab_addr);
return;
case 0x4c08:
can_handle_disco(sublab_addr);
return;
}
}
int main(void)
{
wdt_init();
DDRD |= (1 << D_LED1) | (1 << D_LED2 ) | (1 << D_TXD) | (1 << D_DALIO);
PORTD |= (1 << D_LED1) | (1 << D_TAST);
PORTD &= ~(1 << D_LED1);
uart_init();
tick_init();
can_preinit();
dali_init();
dim_init();
sei();
uart_puts("\nreset from");
if (MCUSR & (1 << WDRF))
uart_puts(" WDT");
if (MCUSR & (1 << BORF))
uart_puts(" BO");
if (MCUSR & (1 << EXTRF))
uart_puts(" EXT");
if (MCUSR & (1 << PORF))
uart_puts(" POR");
MCUSR = 0;
uart_puts("\nwdt_generation ");
uart_puthex(wdt_generation);
uart_puts("\ndelay...\n");
wdt_reset();
_delay_ms(1000);
wdt_reset();
uart_puts("\ninit done\n");
can_init();
can_CANSTAT();
dali_search();
while (1) {
wdt_reset();
if (can_rx_avail()) {
can_rx_exec();
can_rx_pop();
}
_delay_ms(5);
do_tick();
ctr++;
switch (ctr) {
case 2048:
ctr = 0;
break;
case 512:
case 516:
case 520:
case 524:
case 528:
case 532:
case 536:
case 540:
if (dali_map[(ctr >> 2) & 7]) {
uint8_t buffer[8] = {0, 0, 0, 0, 0, 0, 0, 0};
uint8_t base = (ctr << 1) & 070, map = dali_map[(ctr >> 2) & 7], dlc = 0;
uart_puttick();
uart_puts("ll");
uart_puthex(base);
uart_puts("> ");
for (int i = 0; i < 8; i++)
if (map & (1 << i)) {
dali_send(0x1a0 | ((base + i) << 9));
if (dali_rx_avail) {
buffer[i] = dali_rx;
uart_puthex(dali_rx);
uart_puts(" ");
} else
uart_puts("EE ");
dlc = i + 1;
} else
uart_puts("-- ");
uart_puts("\n");
can_send(CANA_SENSOR_F(CANA_DALI_BASE + base), dlc, buffer);
}
break;
case 1024:
can_send(CANA_DEBUG, 8, (uint8_t *)&dalistat);
uart_puttick();
uart_puts("dali stats: ");
uart_puthex16(dalistat.rxok);
uart_puts(" ok ");
uart_puthex16(dalistat.falsestart);
uart_puts(" f-start ");
uart_puthex16(dalistat.noise);
uart_puts(" noise ");
uart_puthex16(dalistat.manchester);
uart_puts(" mch-err\n");
break;
case 1536:
can_send(CANA_LIGHT_F(0, CANA_DALI_BASE + 0x3f), 1, (uint8_t *)&dim_state);
break;
}
}
}
void __do_copy_data(void) __attribute__((naked, section (".init4"), used));
void __do_copy_data(void) { }
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