/**************************************************************************************************
AXFR_REPLY
Sends one reply to the client.
**************************************************************************************************/
static void
axfr_reply(TASK *t) {
char len[2] = { 0, 0 }, *l = len;
build_reply(t, 0);
DNS_PUT16(l, t->replylen);
axfr_write(t, len, SIZE16);
axfr_write(t, t->reply, t->replylen);
total_octets += SIZE16 + t->replylen;
total_records++;
/* Reset the pertinent parts of the task reply data */
rrlist_free(&t->an);
rrlist_free(&t->ns);
rrlist_free(&t->ar);
RELEASE(t->reply);
t->replylen = 0;
name_forget(t);
RELEASE(t->rdata);
t->rdlen = 0;
/* Nuke question data */
t->qdcount = 0;
t->qdlen = 0;
}
void
doreply(struct con *cp)
{
build_reply(cp);
}
static void twi_callback(uint8_t buffer_size, volatile uint8_t input_buffer_length, const volatile uint8_t *input_buffer,
uint8_t volatile *output_buffer_length, volatile uint8_t *output_buffer)
{
uint8_t input;
uint8_t command;
uint8_t io;
if(input_buffer_length < 1)
return(build_reply(output_buffer_length, output_buffer, 0, 1, 0, 0));
input = input_buffer[0];
command = input & 0xf8;
io = input & 0x07;
switch(command)
{
case(0x00): // short / no-io
{
switch(io)
{
case(0x00): // identify
{
static const uint8_t replystring[] =
{
0x4a, 0xfb,
0x06, 0x01, 0x00,
't', '8', '6', '1', 'a'
};
return(build_reply(output_buffer_length, output_buffer, input, 0, sizeof(replystring), replystring));
}
case(0x01): // 0x02 read ADC
{
uint8_t value;
value = ADCW;
if(ADCSRA & _BV(ADSC)) // conversion not ready
return(build_reply(output_buffer_length, output_buffer, input, 5, 0, 0));
adc_stop();
uint8_t replystring[2];
replystring[0] = (value & 0xff00) >> 8;
replystring[1] = (value & 0x00ff) >> 0;
return(build_reply(output_buffer_length, output_buffer, input, 0, sizeof(replystring), replystring));
}
case(0x02): // 0x02 DEBUG read timer0 counter
{
uint8_t value = timer0_get_counter();
return(build_reply(output_buffer_length, output_buffer, input, 0, 1, &value));
}
case(0x03): // 0x03 DEBUG read timer1 counter
{
uint16_t value = pwm_timer1_get_counter();
uint8_t rv[2];
rv[0] = (value & 0xff00) >> 8;
rv[1] = (value & 0x00ff) >> 0;
return(build_reply(output_buffer_length, output_buffer, input, 0, sizeof(rv), rv));
}
case(0x04): // 0x04 DEBUG read timer1 max
{
uint16_t value = pwm_timer1_get_max();
uint8_t rv[2];
rv[0] = (value & 0xff00) >> 8;
rv[1] = (value & 0x00ff) >> 0;
return(build_reply(output_buffer_length, output_buffer, input, 0, sizeof(rv), rv));
}
case(0x05): // 0x05 read timer1 prescaler
{
uint8_t value = pwm_timer1_status();
return(build_reply(output_buffer_length, output_buffer, input, 0, sizeof(value), &value));
}
case(0x06): // 0x06 DEBUG read timer0 entry / exit counter values
{
uint8_t value[2];
value[0] = timer0_debug_1;
value[1] = timer0_debug_2;
return(build_reply(output_buffer_length, output_buffer, input, 0, sizeof(value), value));
}
case(0x07): // extended command
{
return(build_reply(output_buffer_length, output_buffer, input, 7, 0, 0));
}
default:
{
return(build_reply(output_buffer_length, output_buffer, input, 7, 0, 0));
}
}
break;
}
case(0x10): // 0x10 read counter
case(0x20): // 0x20 read / reset counter
{
if(io >= COUNTER_PORTS)
return(build_reply(output_buffer_length, output_buffer, input, 3, 0, 0));
uint32_t counter = counters_meta[io].counter;
if(command == 0x20)
counters_meta[io].counter = 0;
uint8_t replystring[4];
replystring[0] = (counter & 0xff000000) >> 24;
replystring[1] = (counter & 0x00ff0000) >> 16;
replystring[2] = (counter & 0x0000ff00) >> 8;
replystring[3] = (counter & 0x000000ff) >> 0;
return(build_reply(output_buffer_length, output_buffer, input, 0, sizeof(replystring), replystring));
}
case(0x30): // read input
{
uint8_t value;
if(io >= INPUT_PORTS)
return(build_reply(output_buffer_length, output_buffer, input, 3, 0, 0));
value = !!(*input_ports[io].port & (1 << input_ports[io].bit));
return(build_reply(output_buffer_length, output_buffer, input, 0, 1, &value));
}
case(0x40): // write output / softpwm
{
if(input_buffer_length < 2)
return(build_reply(output_buffer_length, output_buffer, input, 4, 0, 0));
if(io >= OUTPUT_PORTS)
return(build_reply(output_buffer_length, output_buffer, input, 3, 0, 0));
softpwm_meta[io].duty = input_buffer[1];
update_static_softpwm_ports();
timer0_start();
return(build_reply(output_buffer_length, output_buffer, input, 0, sizeof(softpwm_meta), (uint8_t *)softpwm_meta));
}
case(0x50): // read output / softpwm
{
if(io >= OUTPUT_PORTS)
return(build_reply(output_buffer_length, output_buffer, input, 3, 0, 0));
duty = softpwm_meta[io].duty;
return(build_reply(output_buffer_length, output_buffer, input, 0, sizeof(duty), &duty));
}
case(0x60): // write softpwm mode
{
if(input_buffer_length < 2)
return(build_reply(output_buffer_length, output_buffer, input, 4, 0, 0));
if(io >= OUTPUT_PORTS)
return(build_reply(output_buffer_length, output_buffer, input, 3, 0, 0));
uint8_t mode = input_buffer[1];
if(mode > 3)
return(build_reply(output_buffer_length, output_buffer, input, 3, 0, 0));
softpwm_meta[io].pwm_mode = input_buffer[1];
return(build_reply(output_buffer_length, output_buffer, input, 0, sizeof(softpwm_meta), (uint8_t *)softpwm_meta));
}
case(0x70): // read softpwm mode
{
if(io >= OUTPUT_PORTS)
return(build_reply(output_buffer_length, output_buffer, input, 3, 0, 0));
uint8_t mode;
mode = softpwm_meta[io].pwm_mode;
return(build_reply(output_buffer_length, output_buffer, input, 0, sizeof(mode), &mode));
}
case(0x80): // write pwm
{
if(input_buffer_length < 3)
return(build_reply(output_buffer_length, output_buffer, input, 4, 0, 0));
if(io >= PWM_PORTS)
return(build_reply(output_buffer_length, output_buffer, input, 3, 0, 0));
uint16_t value;
value = input_buffer[1];
value <<= 8;
value |= input_buffer[2];
pwm_timer1_set_pwm(io, value);
return(build_reply(output_buffer_length, output_buffer, input, 0, 0, 0));
}
case(0x90): // read pwm
{
if(io >= PWM_PORTS)
return(build_reply(output_buffer_length, output_buffer, input, 3, 0, 0));
uint16_t value = pwm_timer1_get_pwm(io);
uint8_t reply[2];
reply[0] = (value & 0xff00) >> 8;
reply[1] = (value & 0x00ff) >> 0;
return(build_reply(output_buffer_length, output_buffer, input, 0, sizeof(reply), reply));
}
case(0xa0): // write pwm mode
{
if(input_buffer_length < 2)
return(build_reply(output_buffer_length, output_buffer, input, 4, 0, 0));
if(io >= PWM_PORTS)
return(build_reply(output_buffer_length, output_buffer, input, 3, 0, 0));
uint8_t mode = input_buffer[1];
if(mode > 3)
return(build_reply(output_buffer_length, output_buffer, input, 3, 0, 0));
pwm_meta[io].pwm_mode = input_buffer[1];
return(build_reply(output_buffer_length, output_buffer, input, 0, sizeof(pwm_meta), (uint8_t *)pwm_meta));
}
case(0xb0): // read pwm mode
{
if(io >= PWM_PORTS)
return(build_reply(output_buffer_length, output_buffer, input, 3, 0, 0));
uint8_t mode;
mode = pwm_meta[io].pwm_mode;
return(build_reply(output_buffer_length, output_buffer, input, 0, sizeof(mode), &mode));
}
case(0xc0): // start adc conversion
{
if(io > 1)
return(build_reply(output_buffer_length, output_buffer, input, 3, 0, 0));
adc_start(io);
return(build_reply(output_buffer_length, output_buffer, input, 0, 0, 0));
}
case(0xf0): // twi stats
{
uint8_t replystring[2];
uint16_t stats;
switch(io)
{
case(0x00): // disable
{
usi_twi_enable_stats(0);
return(build_reply(output_buffer_length, output_buffer, input, 0, 0, 0));
}
case(0x01): // enable
{
usi_twi_enable_stats(1);
return(build_reply(output_buffer_length, output_buffer, input, 0, 0, 0));
}
case(0x02): // read start conditions
{
stats = usi_twi_stats_start_conditions();
break;
}
case(0x03): // read stop conditions
{
stats = usi_twi_stats_stop_conditions();
break;
}
case(0x04): // read error conditions
{
stats = usi_twi_stats_error_conditions();
break;
}
case(0x05): // read overflow conditions
{
stats = usi_twi_stats_overflow_conditions();
break;
}
case(0x06): // read local frames
{
stats = usi_twi_stats_local_frames();
break;
}
case(0x07): // read idle calls
{
stats = usi_twi_stats_idle_calls();
break;
}
}
replystring[0] = (stats & 0xff00) >> 8;
replystring[1] = (stats & 0x00ff) >> 0;
return(build_reply(output_buffer_length, output_buffer, input, 0, sizeof(replystring), replystring));
}
default:
{
return(build_reply(output_buffer_length, output_buffer, input, 2, 0, 0));
}
}
return(build_reply(output_buffer_length, output_buffer, input, 2, 0, 0));
}
