// This is an interrupts routine that handles the button press.
// It has a 300ms debounce
void button_handler()
{
int8_t v;
// Make sure button is depressed for at least 50 us
nrk_spin_wait_us(50);
v=nrk_gpio_get(NRK_PORTD_0);
if(v!=0) return;
nrk_time_get(&button_cur_press);
nrk_time_sub(&button_tmp_press, button_cur_press, button_last_press );
if(button_tmp_press.secs>=1 || button_tmp_press.nano_secs>=(300*NANOS_PER_MS))
{
// Reboot the node...
socket_0_disable();
power_socket_disable(0);
nrk_int_disable();
while(1);
if(socket_0_active==1)
{
plug_led_green_clr();
power_socket_disable(0);
}
else
{
plug_led_green_set();
power_socket_enable(0);
}
button_last_press.secs=button_cur_press.secs;
button_last_press.nano_secs=button_cur_press.nano_secs;
}
}
void tdma_error(void)
{
static uint16_t debounce;
debounce++;
if(debounce>50) debounce=50;
if(debounce==50 )
{
if((PIND & 0x1) == 0 )
{
debounce=0;
if(socket_0_active==1)
{
plug_led_green_clr();
power_socket_disable(0);
}
else
{
plug_led_green_set();
power_socket_enable(0);
}
}
}
if(tdma_sync_ok()==0) plug_led_red_set();
else plug_led_red_clr();
}
void io_task()
{
DDRD=0;
while(cal_done==0) nrk_wait_until_next_period();
// Crappy polling IO task that reads the button to toggle the outlet
while(1) {
if(tdma_sync_ok()==0) plug_led_red_set();
else plug_led_red_clr();
if((PIND & 0x1) == 0 )
{
if(socket_0_active==1)
{
plug_led_green_clr();
power_socket_disable(0);
}
else
{
plug_led_green_set();
power_socket_enable(0);
}
// After press, wait until user lets go
do {
nrk_wait_until_next_period();
} while((PIND & 0x1) == 0 );
}
nrk_wait_until_next_period();
}
}
void tx_task ()
{
uint8_t j, i, val, cnt;
int8_t len;
int8_t v;
nrk_sig_t tx_done_signal;
nrk_sig_mask_t ret;
send_ack=0;
cal_done=0;
printf ("tx_task PID=%d\r\n", nrk_get_pid ());
// Wait until the tx_task starts up bmac
// This should be called by all tasks using bmac that
power_init ();
#ifndef DISABLE_BUTTON
nrk_gpio_direction(NRK_BUTTON,NRK_PIN_INPUT );
nrk_ext_int_configure(NRK_EXT_INT_0, NRK_FALLING_EDGE, &button_handler );
nrk_ext_int_enable(NRK_EXT_INT_0);
#endif
v_center=((uint16_t)nrk_eeprom_read_byte(EEPROM_CAL_V_MSB_ADDR))<<8 | (uint16_t)nrk_eeprom_read_byte(EEPROM_CAL_V_LSB_ADDR);
c_center=((uint16_t)nrk_eeprom_read_byte(EEPROM_CAL_C1_MSB_ADDR))<<8 | (uint16_t)nrk_eeprom_read_byte(EEPROM_CAL_C1_LSB_ADDR);
c2_center=((uint16_t)nrk_eeprom_read_byte(EEPROM_CAL_C2_MSB_ADDR))<<8 | (uint16_t)nrk_eeprom_read_byte(EEPROM_CAL_C2_LSB_ADDR);
if(((PIND & 0x1) == 0) || (v_center==0xffff) || (v_center==0x0) )
{
// Get v_center and c_centers enough to grab calibration values
v_center=512;
c_center=512;
c2_center=512;
power_socket_enable(0);
socket_0_disable();
plug_led_green_clr();
plug_led_red_clr();
for(i=0; i<3; i++ ) {
plug_led_green_set();
nrk_wait_until_next_period();
plug_led_green_clr();
nrk_wait_until_next_period();
}
plug_led_green_clr();
plug_led_red_clr();
for(i=0; i<5; i++ )
nrk_wait_until_next_period();
v_center=(v_p2p_high+v_p2p_low)/2;
c_center=(c_p2p_high+c_p2p_low)/2;
c2_center=(c_p2p_high2+c_p2p_low2)/2;
nrk_eeprom_write_byte(EEPROM_CAL_V_MSB_ADDR, (uint8_t)(v_center>>8));
nrk_eeprom_write_byte(EEPROM_CAL_V_LSB_ADDR, (uint8_t)v_center&0xff);
nrk_eeprom_write_byte(EEPROM_CAL_C1_MSB_ADDR, (uint8_t)(c_center>>8));
nrk_eeprom_write_byte(EEPROM_CAL_C1_LSB_ADDR, (uint8_t)c_center&0xff);
nrk_eeprom_write_byte(EEPROM_CAL_C2_MSB_ADDR, (uint8_t)(c2_center>>8));
nrk_eeprom_write_byte(EEPROM_CAL_C2_LSB_ADDR, (uint8_t)c2_center&0xff);
nrk_eeprom_write_byte(EEPROM_ENERGY1_0_ADDR, 0);
nrk_eeprom_write_byte(EEPROM_ENERGY1_1_ADDR, 0);
nrk_eeprom_write_byte(EEPROM_ENERGY1_2_ADDR, 0);
nrk_eeprom_write_byte(EEPROM_ENERGY1_3_ADDR, 0);
nrk_eeprom_write_byte(EEPROM_ENERGY1_4_ADDR, 0);
nrk_eeprom_write_byte(EEPROM_ENERGY1_5_ADDR, 0);
nrk_eeprom_write_byte(EEPROM_ENERGY1_6_ADDR, 0);
nrk_eeprom_write_byte(EEPROM_ENERGY1_7_ADDR, 0);
nrk_eeprom_write_byte(EEPROM_ENERGY2_0_ADDR, 0);
nrk_eeprom_write_byte(EEPROM_ENERGY2_1_ADDR, 0);
nrk_eeprom_write_byte(EEPROM_ENERGY2_2_ADDR, 0);
nrk_eeprom_write_byte(EEPROM_ENERGY2_3_ADDR, 0);
nrk_eeprom_write_byte(EEPROM_ENERGY2_4_ADDR, 0);
nrk_eeprom_write_byte(EEPROM_ENERGY2_5_ADDR, 0);
nrk_eeprom_write_byte(EEPROM_ENERGY2_6_ADDR, 0);
nrk_eeprom_write_byte(EEPROM_ENERGY2_7_ADDR, 0);
//plug_led_green_set();
//socket_0_enable();
//power_socket_enable(0);
// Set default power threshold
set_power_thresh(DEFAULT_POWER_THRESH);
power_socket_disable(0);
socket_0_disable();
}
void rx_task ()
{
nrk_time_t t;
uint16_t cnt;
int8_t v;
uint8_t len, i;
uint8_t chan;
cnt = 0;
nrk_kprintf (PSTR ("Nano-RK Version "));
printf ("%d\r\n", NRK_VERSION);
nrk_kprintf( PSTR( "RX Task PID=" ));
printf ("%u\r\n", nrk_get_pid ());
t.secs = 5;
t.nano_secs = 0;
while (cal_done==0)
nrk_wait_until_next_period ();
chan = RADIO_CHANNEL;
if (SET_MAC == 0x00) {
v = read_eeprom_mac_address (&mac_address);
if (v == NRK_OK) {
v = read_eeprom_channel (&chan);
v = read_eeprom_aes_key(aes_key);
}
else {
while (1) {
nrk_kprintf (PSTR
("* ERROR reading MAC address, run eeprom-set utility\r\n"));
nrk_wait_until_next_period ();
}
}
}
else
mac_address = SET_MAC;
printf ("MAC ADDR: %x\r\n", mac_address & 0xffff);
printf ("chan = %d\r\n", chan);
len=0;
for(i=0; i<16; i++ ) {
len+=aes_key[i];
}
printf ("AES checksum = %d\r\n", len);
tdma_init (TDMA_CLIENT, chan, (mac_address));
tdma_aes_setkey(aes_key);
tdma_aes_enable();
while (!tdma_started ())
nrk_wait_until_next_period ();
v = tdma_tx_slot_add (mac_address&0xff);
if (v != NRK_OK)
nrk_kprintf (PSTR ("Could not add slot!\r\n"));
// setup a software watch dog timer
t.secs=30;
t.nano_secs=0;
nrk_sw_wdt_init(0, &t, NULL);
nrk_sw_wdt_start(0);
while (1) {
// Update watchdog timer
nrk_sw_wdt_update(0);
v = tdma_recv (&rx_tdma_fd, &rx_buf, &len, TDMA_BLOCKING);
if (v == NRK_OK) {
// printf ("src: %u\r\nrssi: %d\r\n", rx_tdma_fd.src, rx_tdma_fd.rssi);
// printf ("slot: %u\r\n", rx_tdma_fd.slot);
// printf ("cycle len: %u\r\n", rx_tdma_fd.cycle_size);
v=buf_to_pkt(&rx_buf, &rx_pkt);
if(v==NRK_OK)
{
if(((rx_pkt.dst_mac&0xff) == (mac_address&0xff)) || ((rx_pkt.dst_mac&0xff)==0xff))
{
if(rx_pkt.type==PING)
{
send_ack=1;
nrk_led_clr(0);
nrk_led_clr(1);
if(rx_pkt.payload[0]==PING_1)
{
nrk_led_set(0);
nrk_wait_until_next_period();
nrk_wait_until_next_period();
nrk_wait_until_next_period();
nrk_led_clr(0);
}
if(rx_pkt.payload[0]==PING_2)
{
nrk_led_set(1);
nrk_wait_until_next_period();
nrk_wait_until_next_period();
nrk_wait_until_next_period();
nrk_led_clr(1);
}
if(rx_pkt.payload[0]==PING_PERSIST)
{
nrk_led_set(0);
}
}
if(rx_pkt.type==APP)
{
// payload 1: Key
if(rx_pkt.payload[1]==2)
{
send_ack=1;
// payload 2: Outlet Number
// payload 3: On/Off
if(rx_pkt.payload[3]==0) {
power_socket_disable(rx_pkt.payload[2]);
plug_led_green_clr();
//printf( "Disable %d\r\n", rx_pkt.payload[2] );
}
if(rx_pkt.payload[3]==1) {
power_socket_enable(rx_pkt.payload[2]);
//printf( "Enable %d\r\n", rx_pkt.payload[2] );
plug_led_green_set();
}
}
// payload 1: Key
if(rx_pkt.payload[1]==3)
{
send_ack=1;
true_power_thresh=((uint32_t)rx_pkt.payload[3])<<16 | ((uint32_t)rx_pkt.payload[4])<<8 | (uint32_t)rx_pkt.payload[5];
set_power_thresh(true_power_thresh);
}
}
}
}
/* printf ("len: %u\r\npayload: ", len);
for (i = 0; i < len; i++)
printf ("%d ", rx_buf[i]);
printf ("\r\n");
if(rx_buf[0]==(mac_address&0xff))
{
if(rx_buf[2]==0) {
power_socket_disable(rx_buf[1]);
printf( "Disable %d\r\n", rx_buf[1] );
}
if(rx_buf[2]==1) {
power_socket_enable(rx_buf[1]);
printf( "Enable %d\r\n", rx_buf[1] );
}
}
*/
}
tdma_rx_pkt_release();
// nrk_wait_until_next_period();
}
}