static int __client_auth(modem_status_t status)
{
bson req;
modem_ret_t ret;
(void)status;
switch (__auth) {
case DEV_AUTH: /* Already authenticated */
return 0;
case DEV_NOAUTH: /* No auth, no request sent */
printf("Sending authentication request.\n");
req = __auth_form_req();
if (req.err != BSON_VALID)
return -1;
ret = modem_send_packet(TCS_SERVICE_PROF,
(uint8_t *)req.data, bson_size(&req));
bson_destroy(&req);
printf("Auth request sent=%d\n", ret);
if (ret != MODEM_RET_OK)
return -1;
__auth = DEV_AUTHWAIT;
__auth_tries = 0;
break;
case DEV_AUTHWAIT: /* No auth, request sent */
if (__auth_tries > AUTH_MAX_TRIES) { /* Reply wait limit exceeded */
__auth = DEV_NOAUTH;
return -1;
}
if (__check_auth_reply() == 0) {
__auth = DEV_AUTH;
return 0;
}
__auth_tries ++;
break;
}
return 1;
}
void main(){
CyGlobalIntEnable;
// Start up initial mote processes
SleepTimer_Start();
isr_SleepTimer_StartEx(sleepTimerWake_INT);
FS_Init(); // SD Card
modem_set_api_feed(FEED_ID, API_KEY);
modem_start();
ultrasonic_start();
solinst_start();
ADC_SAR_1_Start();
//modem_power_off();
packet_ready = 0u;
take_reading = 1u;
t_sample = 2u; // Initialize Sample Period to 2 minutes
trigger_sampler = 0u; // Initialize automated sampler to not take a sample
bottle_count = 0u; // Initialize bottle count to zero
NeoRTC_Start(rtcCallBackReceived); // Start and enable the RTC.
NeoRTC_Set_Repeating_Minute_Alarm(t_sample); // Set 1-minute alarm
// Uncomment below to set RTC
/*
NeoRtcTimeStruct tm = {
.second = 00,
.minute = 54,
.hour = 18,
.day = 27,
.weekday = 2,
.month = 5,
.year = 2014,
} ;
RTC_WriteTime(tm); //sets time
*/
for(;;){
RTC_Process_Tasks();
// Loop continuously and take a reading
// every "t_sample" minutes.
// The variable "take_reading" is set to TRUE
// by rtcCallBackReceived() defined after the for() loop
if(take_reading){
// Turn on the modem to update state variables:
// sampling frequency; triggering the autosampler
modem_power_on();
if (clear_packet(data_packet)) {
packet_ready = 0u;
}
// To communicate with the IoT platform, the node
// 1) listens on a given port and 2) parses an incoming string
// for relevant commands. Once a packet is ready to send (3),
// the node 4) transmits the packet. This is achieved in as little
// as four lines of code by leveraging an existing TCP/IP library.
//
// 1) modem_get_packet()
// 2) packet_get_uint8()
// 3) sprintf(data_packet, ...
// 4) modem_send_packet()
//
if (modem_get_packet(data_packet,"t_sample,trigger_sampler")) {
// Read in any updated values
if(packet_get_uint8(data_packet, "t_sample", &tmp)){
t_sample = tmp;
}
if(packet_get_uint8(data_packet, "trigger_sampler", &tmp)){
trigger_sampler = tmp;
}
}
/*
if (send_attempts > 0) {
debug_write("New reading taken before previous packet was sent");
}
*/
// Trigger the autosampler to collect the sample
// if a sample is requested
if (trigger_sampler){
// Send in acknowledgement that packet containing
// info re:automated sampler has been received:
modem_send_packet("trigger_sampler, 0");
trigger_sampler = 0; // Update the value locally
// Trigger the autosampler as long as there are still available samples
// If bottle_count >= MAX_BOTTLE_COUNT, skip taking a sample and avoid
// waiting for the code to timeout
if (bottle_count < MAX_BOTTLE_COUNT) {
// Turn off modem to conserve energy
modem_power_off();
// Start up the autosampler processes
// and power on the autosampler
autosampler_start();
autosampler_power_on();
// Trigger the autosampler and update current bottle_count
autosampler_take_sample(&bottle_count);
// Power off the autosampler
// and shut down the autosampler processes
autosampler_power_off();
autosampler_stop();
}
else {
debug_write("bottle_count >= MAX_BOTTLE_COUNT");
}
}
// Construct the data packet that will be transmitted
// by the sensor node, starting with the bottle the
// autosampler last collected a sample in
// (the packet is in .csv format)
sprintf(data_packet,"%s, %u\r\n",
"bottle", bottle_count);
// Get Sensor Readings for:
// Depth, Pressure, Temperature, Conductivity
// and update the data packet
if (solinst_get_reading(&solinst_reading)){
sprintf(data_packet,"%s%s, %f\r\n", data_packet,
"depth_press", solinst_reading.depth);
sprintf(data_packet,"%s%s, %f\r\n", data_packet,
"temp_press", solinst_reading.temp);
}
if (ultrasonic_get_reading(&ultrasonic_reading)){
sprintf(data_packet,"%s%s, %f\r\n", data_packet,
"depth_sonic", ultrasonic_reading.depth);
}
if (ReadBatteryVoltage(&vBattery)){
sprintf(data_packet,"%s%s, %f\r\n", data_packet,
"V_batt", vBattery);
}
// An example of writing data in JSON format
// This was replaced with .csv format due to
// .csv's smaller packet size
/*
sprintf(data_packet, "{"
"\"method\":\"put\","
"\"resource\":\"/feeds/%d\","
"\"headers\":{\"X-ApiKey\":\"%s\"},"
"\"body\":{\"version\":\"1.0.0\",\"datastreams\":["
"{ \"id\" : \"depth_sonic\", \"current_value\" : \"%f\"},"
"{ \"id\" : \"depth_press\", \"current_value\" : \"%f\"},"
"{ \"id\" : \"temp_press\", \"current_value\" : \"%f\"},"
"{ \"id\" : \"trigger_sampler\", \"current_value\" : \"%d\"},"
"{ \"id\" : \"V_batt\", \"current_value\" : \"%f\"}"
"]}}",
FEED_ID,API_KEY,
ultrasonic_reading.depth, solinst_reading.depth, solinst_reading.temp,0u,vBattery);
*/
// Update flags for sending a packet and taking sensor readings
packet_ready = 1u;
take_reading = 0u;
//send_attempts = 0u;
// Once the flag for packet_ready has been set,
// send the packet and save the packet locally
} else if(packet_ready){
isr_SleepTimer_Stop; // <============= ADDRESS THIS WITH B.K.
// Power on the modem in case it was turned off
modem_power_on();
// modem_state should now be IDLE or READY
// and we can send the packet
modem_send_packet(data_packet);
// Power off the modem and conserve energy
modem_power_off();
// Backup data to SD Card
// Use the current time to time-stamp the current reading
NeoRtcTimeStruct tm_neo = NeoRTC_Read_Time();
// Overwrite current data_packet with time-stamped data
sprintf(data_packet, "\r\n%d:%d:%d %d/%d/%d -- [ID %d] u_d=%f s_d=%f s_t=%f bottle=%d v_b=%f", tm_neo.hour, tm_neo.minute,
tm_neo.second, tm_neo.day, tm_neo.month, tm_neo.year, moteID,
ultrasonic_reading.depth, solinst_reading.depth, solinst_reading.temp,bottle_count,vBattery);
// Write data_packet to a *.txt file on the SD Card
Write_To_SD_Card("data.txt","a",data_packet,strlen(data_packet));
// Clear the current packet in preparation for the next reading
// when the node awakens from sleep
if (clear_packet(data_packet)) {
packet_ready = 0u;
}
// If either the sensor node should take a reading nor send a packet
// go to low power mode to increase battery life
}else{
// Set repeating alarm to trigger every "t_sample" minutes
NeoRTC_Set_Repeating_Minute_Alarm(t_sample);
Goto_Low_Power_Mode();
}
CyDelay(1u); // Quick Pause to prevent locking
}
}
void main()
{
/* Place your initialization/startup code here (e.g. MyInst_Start()) */
CyGlobalIntEnable; /* Uncomment this line to enable global interrupts. */
CyDelay(5u); // Short delay to make sure device is ready for low power entry
sleep_isr_StartEx(Wakeup_ISR); // Start Sleep ISR
SleepTimer_Start(); // Start SleepTimer Compnent
modem_set_api_feed(FEED_ID, API_KEY);
//ADC_SAR_1_Start();
//modem_start();
//modem_power_on();
//modem_get_serial_number();
// Check/set flow control: Change from 3 (default - bidirectional) to 0 (no flow control) --> Did NOT fix ability to connect using AT#SD
/*
modem_set_flow_control(0u);
modem_get_profile(); //
modem_get_sw_version();
modem_set_error_reports(2u);
*/
// Init and enable CDMA
/*
modem_set_user("");
modem_set_password("");
modem_test_CDMA_data();
modem_enable_CDMA_data(1u);
modem_test_CDMA_data();
*/
// Initialize variables
ready = 1u;
loops = 0u;
lock = 0u;
packet_ready = 0u;
iter = 0;
sign = 1;
packet_len = 0u;
wakeup_interval_counter = 0u;
v_out = 0.0;
VBAT_READ_EN_Write(0u);
Pin2_Write(0u);
Pin17_Write(0u);
Pin18_Write(0u);
Pin37_Write(0u);
Pin38_Write(0u);
Pin39_Write(0u);
//Pin34_Write(0u);
//Pin35_Write(0u);
// WaveDAC8_1_Start(); /* Start WaveDAC8 */
for(;;)
{
if ( ready == 1u ){
iter = 0;
if (clear_packet(data_packet)) {
packet_len = 0u;
packet_ready = 0u;
}
blink_LED(3u);
if (ultrasonic_get_reading(&ultrasonic_reading)){
sprintf(data_packet,"%s%s, %d\r\n", data_packet,
"depth_sonic", (uint16) (ultrasonic_reading.depth));
}
blink_LED(3u);
// Set up the modem and connect to network
LED_Write(!LED_Read());
if (modem_startup()) {
//modem_get_serial_number();
// Send a packet
LED_Write(!LED_Read());
sprintf(data_packet,"%s%s, %u\r\n", data_packet,
"tmp", loops);
ready = modem_send_packet(data_packet);
CyDelay(5000u);
if (clear_packet(data_packet)) {
packet_len = 0u;
packet_ready = 0u;
}
// Request a packet
LED_Write(!LED_Read());
if( modem_get_packet(data_packet,"lock,tmp") ){
// Code to test moving the actuator
if(packet_get_uint8(data_packet,"lock",&lock)){
if(lock == 1u){
// Supply power to breakout board
// This powers the Reed Switch
Pin2_Write(1u);
CyDelay(1000u);
// Move the actuator out
Pin17_Write(1u);
CyDelay(3000u);
Pin17_Write(0u);
CyDelay(2000u);
// Move the actuator in
Pin18_Write(1u);
CyDelay(3000u);
Pin18_Write(0u);
// Cut power to breakout board
CyDelay(1000u);
Pin2_Write(0u);
}
}
}
/*
modem_power_off();
modem_stop();
*/
}
modem_shutdown();
loops += 10;
ready = 0u;
}
/* If not ready, update the counter for the sleep timer */
else {
/* Blink the LED to indicate sleeping */
blink_LED(5u);
/* Prepares system clocks for the Sleep mode */
CyPmSaveClocks();
do
{
/*******************************************************************
* Switch to the Sleep Mode for the other devices:
* - PM_SLEEP_TIME_NONE: wakeup time is defined by Sleep Timer
* - PM_SLEEP_SRC_CTW : wakeup on CTW sources is allowed
*******************************************************************/
CyPmSleep(PM_SLEEP_TIME_NONE, PM_SLEEP_SRC_CTW);
/***********************************************************************
* After the device is woken up the Sleep Timer's ISR is executed.
* Afterwards the CyPmSleep() execution is finished the clock
* configuration is restored.
***********************************************************************/
if(SLEEPTIMER_INTERVAL_COUNTER == wakeup_interval_counter)
{
/* Blink with LED */
//(0u == LED_P1_2_Read()) ? LED_P1_2_Write(1u) : LED_P1_2_Write(0u);
wakeup_interval_counter = 0u;
ready = 1u;
}
else
{
wakeup_interval_counter++;
}
} while (wakeup_interval_counter != 0u);
/* Restore clock configuration */
CyPmRestoreClocks();
}
/*
// Place your application code here.
Pin37_Write(!Pin37_Read());
clear_packet(data_packet);
sprintf(data_packet,"%s, %u\r\n", "tmp", iter);
modem_connect();
LED_Write(!LED_Read());
// modem_state should now be IDLE or READY
//modem_send_packet(data_packet);
modem_get_google(); //Can't get to work
if (tmp > 10) {
sign = -1;
} else if (tmp < -10) {
sign = 1;
}
tmp = tmp + sign;
Pin37_Write(!Pin37_Read());
LED_Write(!LED_Read());
CyDelay(100u);
modem_get_time();
Pin38_Write(!Pin38_Read());
LED_Write(!LED_Read());
CyDelay(100u);
modem_get_signal_quality();
Pin39_Write(!Pin39_Read());
LED_Write(!LED_Read());
CyDelay(100u);
modem_check_network();
//Pin34_Write(!Pin34_Read());
LED_Write(!LED_Read());
CyDelay(100u);
modem_get_serial_number();
//modem_disconnect();
//Pin35_Write(!Pin35_Read());
LED_Write(!LED_Read());
CyDelay(100u);
ADC_SAR_1_StartConvert();
ADC_SAR_1_IsEndConversion(ADC_SAR_1_WAIT_FOR_RESULT);
v_out = ADC_SAR_1_CountsTo_Volts(ADC_SAR_1_GetResult16());
//v_out = Pin30_Read();
Pin25_Write(v_out);
*/
}
/*
modem_power_off();
modem_stop();
blink_LED(3u);
CyPmSaveClocks();
CyPmHibernate();
*/
}
