/**
* main() function
* @return 0. int return type required by ANSI/ISO standard.
*/
int main(void)
{
/* Start 16 MHz crystal oscillator */
NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
NRF_CLOCK->TASKS_HFCLKSTART = 1;
/* Wait for the external oscillator to start up */
while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0)
{
}
// Set Port 1 as output
nrf_gpio_range_cfg_output(8, 15);
// Set radio configuration parameters
radio_configure();
nrf_gpio_port_write(NRF_GPIO_PORT_SELECT_PORT1, 0x55);
while(true)
{
// Set payload pointer
NRF_RADIO->PACKETPTR = (uint32_t)packet;
NRF_RADIO->EVENTS_READY = 0U;
// Enable radio and wait for ready
NRF_RADIO->TASKS_RXEN = 1U;
while(NRF_RADIO->EVENTS_READY == 0U)
{
}
NRF_RADIO->EVENTS_END = 0U;
// Start listening and wait for address received event
NRF_RADIO->TASKS_START = 1U;
// Wait for end of packet
while(NRF_RADIO->EVENTS_END == 0U)
{
}
// Write received data to port 1 on CRC match
if (NRF_RADIO->CRCSTATUS == 1U)
{
nrf_gpio_port_write(NRF_GPIO_PORT_SELECT_PORT1, packet[0]);
}
NRF_RADIO->EVENTS_DISABLED = 0U;
// Disable radio
NRF_RADIO->TASKS_DISABLE = 1U;
while(NRF_RADIO->EVENTS_DISABLED == 0U)
{
}
}
}
void init(void)
{
/* Start 16 MHz crystal oscillator */
NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
NRF_CLOCK->TASKS_HFCLKSTART = 1;
/* Wait for the external oscillator to start up */
while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0)
{
}
// Set radio configuration parameters
radio_configure();
simple_uart_config(RTS_PIN_NUMBER, TX_PIN_NUMBER, CTS_PIN_NUMBER, RX_PIN_NUMBER, HWFC);
// Set payload pointer
//NRF_RADIO->PACKETPTR = (uint32_t)scan_rsp; //packet;
// We will only announce on channel 37 for now
int channel = 37;
NRF_RADIO->DATAWHITEIV = channel & 0x3F;
NRF_RADIO->FREQUENCY = ch2freq(channel);
}
/**
* @brief Function for application main entry.
*/
int main(void)
{
unsigned role = role_get();
unsigned group = role >> ROLE_GR_SHIFT;
rtc_initialize(rtc_dummy_handler);
uart_init();
stat_init(group);
radio_configure(
&g_report_packet, sizeof(g_report_packet),
group ? GR1_CH : GR0_CH
);
receiver_on(on_packet_received);
receive_start();
while (true)
{
__WFI();
if (g_stat_request) {
g_stat_request = 0;
stat_dump();
}
}
}
/**
* @brief Function for application main entry.
* @return 0. int return type required by ANSI/ISO standard.
*/
int main(void)
{
uint32_t err_code = NRF_SUCCESS;
clock_initialization();
APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_OP_QUEUE_SIZE, NULL);
err_code = NRF_LOG_INIT(NULL);
APP_ERROR_CHECK(err_code);
err_code = bsp_init(BSP_INIT_LED, APP_TIMER_TICKS(100, APP_TIMER_PRESCALER), NULL);
APP_ERROR_CHECK(err_code);
// Set radio configuration parameters
radio_configure();
NRF_RADIO->PACKETPTR = (uint32_t)&packet;
err_code = bsp_indication_set(BSP_INDICATE_USER_STATE_OFF);
NRF_LOG_INFO("Wait for first packet\r\n");
APP_ERROR_CHECK(err_code);
NRF_LOG_FLUSH();
while (true)
{
uint32_t received = read_packet();
err_code = bsp_indication_set(BSP_INDICATE_RCV_OK);
NRF_LOG_INFO("Packet was received\r\n");
APP_ERROR_CHECK(err_code);
NRF_LOG_INFO("The contents of the package is %u\r\n", (unsigned int)received);
NRF_LOG_FLUSH();
}
}
/*
==============================================
Function: initialize_all(void)
Initialize oscillator, radio, bluetooth,
twi and vibration
==============================================
*/
static void initialize_all()
{
char buf[30];
// Start 16 MHz crystal oscillator.
NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
NRF_CLOCK->TASKS_HFCLKSTART = 1;
// oscillator
while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0) {
// busy wait until the oscilator is up and running
}
simple_uart_config(0, 23, 0, 22, 0);
simple_uart_putstring("INIT\n");
// initiliaze radio
radio_configure();
simple_uart_putstring("Configured radio\n");
// initialize bluetooth
start_ble(MUG_LIST);
simple_uart_putstring("BLUETOOTH STARTED\n");
// initialize twi
twi_master_init();
simple_uart_putstring("TWI master init\n");
init_vibration();
simple_uart_putstring("Vibration init\n");
}
/**
* @brief Function for application main entry.
*/
int main(void)
{
// Start 16 MHz crystal oscillator.
NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
NRF_CLOCK->TASKS_HFCLKSTART = 1;
// Wait for the external oscillator to start up.
while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0)
{
// Do nothing.
}
// Set Port 0 as input.
nrf_gpio_range_cfg_input(BUTTON_START, BUTTON_STOP, BUTTON_PULL);
// Set Port 1 as output.
nrf_gpio_range_cfg_output(LED_START, LED_STOP);
// Set radio configuration parameters.
radio_configure();
// Set payload pointer.
NRF_RADIO->PACKETPTR = (uint32_t)packet;
while (true)
{
// Read Data to send, button signals are default high, and low when pressed.
packet[0] = ~(nrf_gpio_port_read(NRF_GPIO_PORT_SELECT_PORT0)); // Write GPIO to payload byte 0.
NRF_RADIO->EVENTS_READY = 0U;
NRF_RADIO->TASKS_TXEN = 1; // Enable radio and wait for ready.
while (NRF_RADIO->EVENTS_READY == 0U)
{
// Do nothing.
}
// Start transmission.
NRF_RADIO->TASKS_START = 1U;
NRF_RADIO->EVENTS_END = 0U;
while (NRF_RADIO->EVENTS_END == 0U) // Wait for end of the transmission packet.
{
// Do nothing.
}
// Write sent data to port 1.
nrf_gpio_port_write(NRF_GPIO_PORT_SELECT_PORT1, packet[0]);
NRF_RADIO->EVENTS_DISABLED = 0U;
NRF_RADIO->TASKS_DISABLE = 1U; // Disable the radio.
while (NRF_RADIO->EVENTS_DISABLED == 0U)
{
// Do nothing.
}
}
}
/// build the timing table
static void
tdm_build_timing_table(void)
{
__pdata uint8_t j;
__pdata uint16_t rate;
bool golay_saved = feature_golay;
feature_golay = false;
for (rate=2; rate<256; rate=(rate*3)/2) {
__pdata uint32_t latency_sum=0, per_byte_sum=0;
uint8_t size = MAX_PACKET_LENGTH;
radio_configure(rate);
for (j=0; j<50; j++) {
__pdata uint16_t time_0, time_max, t1, t2;
radio_set_channel(1);
radio_receiver_on();
if (serial_read_available() > 0) {
feature_golay = golay_saved;
return;
}
t1 = timer2_tick();
if (!radio_transmit(0, pbuf, 0xFFFF)) {
break;
}
t2 = timer2_tick();
radio_receiver_on();
time_0 = t2-t1;
radio_set_channel(2);
t1 = timer2_tick();
if (!radio_transmit(size, pbuf, 0xFFFF)) {
if (size == 0) {
break;
}
size /= 4;
j--;
continue;
}
t2 = timer2_tick();
radio_receiver_on();
time_max = t2-t1;
latency_sum += time_0;
per_byte_sum += ((size/2) + (time_max - time_0))/size;
}
if (j > 0) {
printf("{ %u, %u, %u },\n",
(unsigned)(radio_air_rate()),
(unsigned)(latency_sum/j),
(unsigned)(per_byte_sum/j));
}
}
feature_golay = golay_saved;
}
int reconfig(){
int tx;
int ptx;
simple_uart_putstring((uint8_t *)"Digte uma nova potencia\n");
ptx = simple_uart_get();
radio_configure(1, (uint32_t)ptx);
NRF_RADIO->PACKETPTR = (uint32_t)packet;
}
void transceiver_setup(void){
// Atualiza a área de memória apontada pelos ponteiros.
reconf_info_tag();
// Set radio configuration parameters
radio_configure(&taxa, &potencia);
// Set payload pointer
NRF_RADIO->PACKETPTR = (uint32_t)packet;
}
/**
* @brief Function for application main entry.
* @return 0. int return type required by ANSI/ISO standard.
*/
int main(void)
{
uint32_t err_code = NRF_SUCCESS;
clock_initialization();
APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_OP_QUEUE_SIZE, NULL);
const app_uart_comm_params_t comm_params =
{
RX_PIN_NUMBER,
TX_PIN_NUMBER,
RTS_PIN_NUMBER,
CTS_PIN_NUMBER,
APP_UART_FLOW_CONTROL_ENABLED,
false,
UART_BAUDRATE_BAUDRATE_Baud115200
};
APP_UART_FIFO_INIT(&comm_params,
UART_RX_BUF_SIZE,
UART_TX_BUF_SIZE,
uart_error_handle,
APP_IRQ_PRIORITY_LOW,
err_code);
err_code = bsp_init(BSP_INIT_LED | BSP_INIT_BUTTONS,
APP_TIMER_TICKS(100, APP_TIMER_PRESCALER),
bsp_evt_handler);
APP_ERROR_CHECK(err_code);
// Set radio configuration parameters
radio_configure();
// Set payload pointer
NRF_RADIO->PACKETPTR = (uint32_t)&packet;
err_code = bsp_indication_text_set(BSP_INDICATE_USER_STATE_OFF, "Press Any Button\n\r");
APP_ERROR_CHECK(err_code);
while (true)
{
if(packet != 0)
{
send_packet();
printf("The contents of the package was %u\n\r", (unsigned int)packet);
packet = 0;
}
__WFE();
}
}
void init(void)
{
/* Start 16 MHz crystal oscillator */
NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
NRF_CLOCK->TASKS_HFCLKSTART = 1;
/* Wait for the external oscillator to start up */
while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0)
{
}
nrf_gpio_range_cfg_output(LED_START, LED_STOP);
// Set radio configuration parameters
radio_configure();
}
/**
* @brief Function for application main entry.
* @return 0. int return type required by ANSI/ISO standard.
*/
int main(void)
{
uint32_t err_code = NRF_SUCCESS;
clock_initialization();
APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_OP_QUEUE_SIZE, NULL);
const app_uart_comm_params_t comm_params =
{
RX_PIN_NUMBER,
TX_PIN_NUMBER,
RTS_PIN_NUMBER,
CTS_PIN_NUMBER,
APP_UART_FLOW_CONTROL_ENABLED,
false,
UART_BAUDRATE_BAUDRATE_Baud38400
};
APP_UART_FIFO_INIT(&comm_params,
UART_RX_BUF_SIZE,
UART_TX_BUF_SIZE,
uart_error_handle,
APP_IRQ_PRIORITY_LOW,
err_code);
APP_ERROR_CHECK(err_code);
err_code = bsp_init(BSP_INIT_LED, APP_TIMER_TICKS(100, APP_TIMER_PRESCALER), NULL);
APP_ERROR_CHECK(err_code);
// Set radio configuration parameters
radio_configure();
NRF_RADIO->PACKETPTR = (uint32_t)&packet;
err_code = bsp_indication_text_set(BSP_INDICATE_USER_STATE_OFF, "Wait for first packet\n\r");
APP_ERROR_CHECK(err_code);
while (true)
{
uint32_t received = read_packet();
err_code = bsp_indication_text_set(BSP_INDICATE_RCV_OK, "Packet was received\n\r");
APP_ERROR_CHECK(err_code);
printf("The contents of the package is %u\n\r", (unsigned int)received);
}
}
void init(void)
{
/* Start 16 MHz crystal oscillator */
NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
NRF_CLOCK->TASKS_HFCLKSTART = 1;
/* Wait for the external oscillator to start up */
while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0)
{
}
// Set radio configuration parameters
radio_configure();
// Set payload pointer
NRF_RADIO->PACKETPTR = (uint32_t)packet;
simple_uart_config(RTS_PIN_NUMBER, TX_PIN_NUMBER, CTS_PIN_NUMBER, RX_PIN_NUMBER, HWFC);
}
void init(void)
{
/* Start 16 MHz crystal oscillator */
NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
NRF_CLOCK->TASKS_HFCLKSTART = 1;
/* Wait for the external oscillator to start up */
while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0)
{
}
// Set radio configuration parameters
radio_configure();
// Set payload pointer
NRF_RADIO->PACKETPTR = (uint32_t)packet;
nrf_gpio_range_cfg_input(BUTTON_START, BUTTON_STOP, NRF_GPIO_PIN_PULLUP);
}
void init()
{
/* Start 16 MHz crystal oscillator */
NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
NRF_CLOCK->TASKS_HFCLKSTART = 1;
/* Wait for the external oscillator to start up */
while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0)
{
}
// Set radio configuration parameters
simple_uart_config(RTS_PIN_NUMBER, TX_PIN_NUMBER, CTS_PIN_NUMBER, RX_PIN_NUMBER, HWFC);
// Set payload pointer
radio_configure(1, 0);
}
/**
* @brief Function for application main entry.
*/
int main(void)
{
rtc_initialize(rtc_dummy_handler);
radio_configure(&g_pkt, 0, PROTOCOL_CHANNEL);
uart_init();
hf_osc_start();
#ifdef USE_DISPLAY
displ_init();
show_startup_screen();
#endif
receiver_on_(0);
receive_start();
while (true)
{
if (radio_tx_end()) {
on_packet_received();
receive_start();
}
}
}
static void
radio_init(void)
{
__pdata uint32_t freq_min, freq_max;
__pdata uint32_t channel_spacing;
__pdata uint8_t txpower;
// Do generic PHY initialisation
if (!radio_initialise()) {
panic("radio_initialise failed");
}
switch (g_board_frequency) {
case FREQ_433:
freq_min = 433050000UL;
freq_max = 434790000UL;
txpower = 10;
num_fh_channels = 10;
break;
case FREQ_470:
freq_min = 470000000UL;
freq_max = 471000000UL;
txpower = 10;
num_fh_channels = 10;
break;
case FREQ_868:
freq_min = 868000000UL;
freq_max = 869000000UL;
txpower = 10;
num_fh_channels = 10;
break;
case FREQ_915:
freq_min = 915000000UL;
freq_max = 928000000UL;
txpower = 20;
num_fh_channels = MAX_FREQ_CHANNELS;
break;
default:
freq_min = 0;
freq_max = 0;
txpower = 0;
panic("bad board frequency %d", g_board_frequency);
break;
}
if (param_get(PARAM_NUM_CHANNELS) != 0) {
num_fh_channels = param_get(PARAM_NUM_CHANNELS);
}
if (param_get(PARAM_MIN_FREQ) != 0) {
freq_min = param_get(PARAM_MIN_FREQ) * 1000UL;
}
if (param_get(PARAM_MAX_FREQ) != 0) {
freq_max = param_get(PARAM_MAX_FREQ) * 1000UL;
}
if (param_get(PARAM_TXPOWER) != 0) {
txpower = param_get(PARAM_TXPOWER);
}
// constrain power and channels
txpower = constrain(txpower, BOARD_MINTXPOWER, BOARD_MAXTXPOWER);
num_fh_channels = constrain(num_fh_channels, 1, MAX_FREQ_CHANNELS);
// double check ranges the board can do
switch (g_board_frequency) {
case FREQ_433:
freq_min = constrain(freq_min, 414000000UL, 460000000UL);
freq_max = constrain(freq_max, 414000000UL, 460000000UL);
break;
case FREQ_470:
freq_min = constrain(freq_min, 450000000UL, 490000000UL);
freq_max = constrain(freq_max, 450000000UL, 490000000UL);
break;
case FREQ_868:
freq_min = constrain(freq_min, 849000000UL, 889000000UL);
freq_max = constrain(freq_max, 849000000UL, 889000000UL);
break;
case FREQ_915:
freq_min = constrain(freq_min, 868000000UL, 935000000UL);
freq_max = constrain(freq_max, 868000000UL, 935000000UL);
break;
default:
panic("bad board frequency %d", g_board_frequency);
break;
}
if (freq_max == freq_min) {
freq_max = freq_min + 1000000UL;
}
// get the duty cycle we will use
duty_cycle = param_get(PARAM_DUTY_CYCLE);
duty_cycle = constrain(duty_cycle, 0, 100);
param_set(PARAM_DUTY_CYCLE, duty_cycle);
// get the LBT threshold we will use
lbt_rssi = param_get(PARAM_LBT_RSSI);
if (lbt_rssi != 0) {
// limit to the RSSI valid range
lbt_rssi = constrain(lbt_rssi, 25, 220);
}
param_set(PARAM_LBT_RSSI, lbt_rssi);
// sanity checks
param_set(PARAM_MIN_FREQ, freq_min/1000);
param_set(PARAM_MAX_FREQ, freq_max/1000);
param_set(PARAM_NUM_CHANNELS, num_fh_channels);
channel_spacing = (freq_max - freq_min) / (num_fh_channels+2);
// add half of the channel spacing, to ensure that we are well
// away from the edges of the allowed range
freq_min += channel_spacing/2;
// add another offset based on network ID. This means that
// with different network IDs we will have much lower
// interference
srand(param_get(PARAM_NETID));
if (num_fh_channels > 5) {
freq_min += ((unsigned long)(rand()*625)) % channel_spacing;
}
debug("freq low=%lu high=%lu spacing=%lu\n",
freq_min, freq_min+(num_fh_channels*channel_spacing),
channel_spacing);
// set the frequency and channel spacing
// change base freq based on netid
radio_set_frequency(freq_min);
// set channel spacing
radio_set_channel_spacing(channel_spacing);
// start on a channel chosen by network ID
radio_set_channel(param_get(PARAM_NETID) % num_fh_channels);
// And intilise the radio with them.
if (!radio_configure(param_get(PARAM_AIR_SPEED)) &&
!radio_configure(param_get(PARAM_AIR_SPEED)) &&
!radio_configure(param_get(PARAM_AIR_SPEED))) {
panic("radio_configure failed");
}
// report the real air data rate in parameters
param_set(PARAM_AIR_SPEED, radio_air_rate());
// setup network ID
radio_set_network_id(param_get(PARAM_NETID));
// setup transmit power
radio_set_transmit_power(txpower);
// report the real transmit power in settings
param_set(PARAM_TXPOWER, radio_get_transmit_power());
#ifdef USE_RTC
// initialise real time clock
rtc_init();
#endif
// initialise frequency hopping system
fhop_init(param_get(PARAM_NETID));
// initialise TDM system
tdm_init();
}
int main(){
initialize_all();
char buf[30];
uint8_t uart_data;
// Print Device ID
uint64_t this_device_id = (((uint64_t) NRF_FICR->DEVICEID[1] << 32) | ((uint64_t) NRF_FICR->DEVICEID[0]));
sprintf((char*)buf, "ID: %llx\n", this_device_id);
simple_uart_putstring(buf);
uint8_t availability;
bool radio_executed = false;
// main application loop
while (1) {
//All the mugs that will be invited have been set
if (is_connected()) {
// Deal with radios
sd_softdevice_disable();
radio_configure();
// simple_uart_putstring("Configured radio\n");
// simple_uart_putstring("Disabled soft device\n");
// END - Deal with radios
bool disovery_complete = false;
bool all_final_state = true;
int8_t current_mug = 0;
while (!disovery_complete){
uint64_t device_id = 0;
// vibration_update();
if (receive_packet(20)){
device_id = packet[1];
if (this_device_id == device_id){
if (packet[0] == 0xcfcf){ // Master init sequence
simple_uart_putstring("Got init!\n");
packet[0] = 0xaf; // Send ACK to Master
send_packet(1); // ... 3 times ...
simple_uart_putstring("[a]ccept or [r]eject:\n");
uart_data = simple_uart_get();
switch (uart_data) {
case 'a':
availability = 0xaa;
simple_uart_putstring("Accepted\n");
break;
case 'r':
availability = 0xff;
simple_uart_putstring("Rejected\n");
break;
}
uart_data = simple_uart_get();
} else if (packet[0] == 0xabab) { // Master poll availability
simple_uart_putstring("Sent availability status!\n");
packet[0] = availability; // Send ACK to Master
send_packet(1);
} else if (packet[0] == 0xdede) { // Master kettle boiling
simple_uart_putstring("Got invitation!\n");
packet[0] = 0xaf; // Send ACK to Master
send_packet(1); // ... 3 times ...
for (uint8_t i=0; i<100; i++){
nrf_gpio_pin_toggle(0);
nrf_delay_ms(200);
}
} else {
sprintf((char*)buf, "Brocken command: %llx\n", packet[0]);
simple_uart_putstring(buf);
}
} else {
simple_uart_putstring("Not applicable packet\n");
sprintf((char*)buf, "Target: %llx\n", packet[1]);
simple_uart_putstring(buf);
sprintf((char*)buf, "Command: %llx\n", packet[0]);
simple_uart_putstring(buf);
}
}
if (bump_action()) {
disovery_complete = true;
// uint8_t bump_evt = 1;
// ble_update_bump(&bump_evt)
}
}
// Deal with radios
sd_softdevice_enable(NRF_CLOCK_LFCLKSRC_RC_250_PPM_1000MS_CALIBRATION,app_error_handler);
// simple_uart_putstring("Enabled soft device\n");
// END - Deal with radios
// uint8_t bump_val = 1;
// ble_update_bump(&bump_val);
// simple_uart_putstring("They see me bumpin', I see 'em hatin'!\n");
disovery_complete = false;
// RSVP_App(); //sends MUG information back to app via ble, defined in slip_ble.c
}
//debug_ble_ids();
// vibration_update();
app_sched_execute();
nrf_delay_ms(500);
}
}
int main(void)
{
// Start 16 MHz crystal oscillator.
NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
NRF_CLOCK->TASKS_HFCLKSTART = 1;
// Wait for the external oscillator to start up.
while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0) {}
// Enable UART comms
simple_uart_config(0, 23, 0, 22, 0);
unsigned char buf[32];
uint8_t uart_data;
// Enable LED
nrf_gpio_cfg_output(0);
// Set radio configuration parameters.
radio_configure();
// Print Device ID
uint64_t this_device_id = (((uint64_t) NRF_FICR->DEVICEID[1] << 32) | ((uint64_t) NRF_FICR->DEVICEID[0]));
sprintf((char*)buf, "ID: %llx\n", this_device_id);
simple_uart_putstring(buf);
// Initialise LibAlek
// init_vibration();
uint8_t availability;
while(true){
uint64_t device_id = 0;
// vibration_update();
if (receive_packet()){
device_id = packet[1];
if (this_device_id == device_id){
if (packet[0] == 0xcfcf){ // Master init sequence
simple_uart_putstring("Got init!\n");
packet[0] = 0xaf; // Send ACK to Master
send_packet(1); // ... 3 times ...
simple_uart_putstring("[a]ccept or [r]eject:\n");
uart_data = simple_uart_get();
switch (uart_data) {
case 'a':
availability = 0xaa;
simple_uart_putstring("Accepted\n");
break;
case 'r':
availability = 0xff;
simple_uart_putstring("Rejected\n");
break;
}
uart_data = simple_uart_get();
} else if (packet[0] == 0xabab) { // Master poll availability
simple_uart_putstring("Sent availability status!\n");
packet[0] = availability; // Send ACK to Master
send_packet(1);
} else if (packet[0] == 0xdede) { // Master kettle boiling
simple_uart_putstring("Got invitation!\n");
packet[0] = 0xaf; // Send ACK to Master
send_packet(1); // ... 3 times ...
for (uint8_t i=0; i<100; i++){
nrf_gpio_pin_toggle(0);
nrf_delay_ms(200);
}
} else {
sprintf((char*)buf, "Brocken command: %llx\n", packet[0]);
simple_uart_putstring(buf);
}
} else {
simple_uart_putstring("Not applicable packet\n");
sprintf((char*)buf, "Target: %llx\n", packet[1]);
simple_uart_putstring(buf);
sprintf((char*)buf, "Command: %llx\n", packet[0]);
simple_uart_putstring(buf);
}
}
}
}
int main(void)
{
// configure WDT
WDTCTL = WDTPW | WDTHOLD; // stop watch dog timer
_25mhz();
#ifdef TEST
// when compiled in test mode, use different main
// disconnect radio when testing to avoid damage!
test_main();
#endif
// configure LED1 and turn it off, we'll use that for error and other stuff
P1DIR |= LED1;
LED1_OFF;
P4DIR |= LED2;
LED2_ON;
// setup uart
uart_init();
#ifdef DEBUG_MESSAGES
uart_send_string("Hola mundo!\r\n");
#endif
// setup packet handler
ph_setup();
// setup an configure radio
radio_setup();
radio_configure();
// self-calibrate image rejection
radio_calibrate_ir();
// verify that radio configuration was successful
radio_get_chip_status(0);
if (radio_buffer.chip_status.chip_status & RADIO_CMD_ERROR) { // check for command error
uart_send_string("Error inicializando radio!!!\r\n");
while (1) {
LED1_TOGGLE;
_delay_cycles(8000000); // blink LED if there was an error
}
}
// start packet receiving
ph_start();
#ifdef DEBUG_MESSAGES
uart_send_string("dAISy 0.2 started\r\n");
LED2_OFF;
#endif
while (1) {
LPM0; // deep sleep until something worthwhile happens
__no_operation();
ph_loop(); // packet handler house-keeping, e.g. channel hopping
#ifdef DEBUG_MESSAGES
uint8_t channel;
int16_t rssi;
// debug code to monitor signal strength (RSSI)
if (ph_get_state() == PH_STATE_PREFETCH) { // found preamble and start flag
// record current channel and signal strength
channel = ph_get_radio_channel(); // read current channel
rssi = ph_get_radio_rssi(); // read current RSSI
}
#endif
// retrieve last packet handler error
uint8_t error = ph_get_last_error();
#ifdef DEBUG_MESSAGES
// report error if packet handler failed
if (error != PH_ERROR_NONE) {
dec_to_str(str_output_buffer, 3, rssi); // convert to decimal string (reuse radio buffer)
str_output_buffer[4] = 0; // terminate string
uart_send_string("sync "); // send debug message to UART
uart_send_byte(channel + 'A');
uart_send_string(" RSSI=");
uart_send_string(str_output_buffer);
uart_send_string("dBm\r\n");
uart_send_string("error: ");
switch (error) {
case PH_ERROR_NOEND:
uart_send_string("no end flag");
break;
case PH_ERROR_STUFFBIT:
uart_send_string("invalid stuff bit");
break;
case PH_ERROR_CRC:
uart_send_string("CRC error");
break;
case PH_ERROR_RSSI_DROP:
uart_send_string("RSSI drop");
break;
}
uart_send_string("\r\n");
ph_loop(); // house keeping, sending over UART takes time
}
#else
// toggle LED if packet handler failed after finding preamble and start flag
if (error == PH_ERROR_NOEND || error == PH_ERROR_STUFFBIT || error == PH_ERROR_CRC)
LED1_TOGGLE;
#endif
// check if a new valid packet arrived
uint16_t size = fifo_get_packet();
if (size > 0) { // if so, process packet
#ifdef DEBUG_MESSAGES
dec_to_str(str_output_buffer, 3, rssi); // convert to decimal string (reuse radio buffer)
str_output_buffer[4] = 0; // terminate string
uart_send_string("sync "); // send debug message to UART
uart_send_byte(channel + 'A');
uart_send_string(" RSSI=");
uart_send_string(str_output_buffer);
uart_send_string("dBm\r\n");
#endif
LED2_ON;
nmea_process_packet(); // process packet (NMEA message will be sent over UART)
fifo_remove_packet(); // remove processed packet from FIFO
LED2_OFF;
}
// enter low power mode LPM0 (everything off)
// TODO: wait for UART to complete transmission
// TODO: suspend UART
}
}