LoRaWAN demo.
Dependencies: modem_ref_helper DebouncedInterrupt
main.cpp
- Committer:
- Jeej
- Date:
- 2018-11-26
- Revision:
- 15:86f6fa566d89
- Parent:
- 13:b9420183fbfc
- Child:
- 16:59d93cb1efee
File content as of revision 15:86f6fa566d89:
// @autor: jeremie@wizzilab.com // @date: 2017-09-21 #include "DebouncedInterrupt.h" #include "modem_ref_helper.h" #include "modem_callbacks.h" #include "files.h" #include "sensor.h" // Minimum time between alarms #define ALARM_COOLDOWN_TIME 10000 // ms #define MIN_REPORT_PERIOD (10) // Seconds enum { MODEM_RESP_NO, MODEM_RESP_TERMINAL, MODEM_RESP_DONE, }; Semaphore modem_ready[MAX_USER_NB]; Semaphore modem_urc(0); Semaphore button_user(0); sensor_config_t g_light_config; Queue<void, 8> g_file_modified; Queue<void, 8> modem_resp; uint32_t itf_busy = 0; bool alarm_ready = false; #define USE_WL_TTN #ifdef USE_WL_TTN // This is WizziLab's The Things Network LoRaWAN configuration file // This device is already registered on WizziLab's APP // // You can create your own account to get custom app_id and app_key. // The device EUI is the modem's UID. // https://account.thethingsnetwork.org/register // https://console.thethingsnetwork.org/applications #define MY_APP_ID {0x70, 0xB3, 0xD5, 0x7E, 0xF0, 0x00, 0x3A, 0xF1 } #define MY_APP_KEY {0x73, 0x90, 0x54, 0x78, 0xB5, 0x0B, 0xA8, 0x9A, 0x78, 0x23, 0xB7, 0x12, 0xD5, 0x5C, 0x70, 0x99 } #else // This is your APP_ID and APP_KEY, as defined on your own TTN account // https://account.thethingsnetwork.org/register // https://console.thethingsnetwork.org/applications #define MY_APP_ID { 0x70, 0xB3, 0xD5, 0x7E, 0xD0, 0x00, 0xAC, 0xB2 } #define MY_APP_KEY { 0xDF, 0xF7, 0x26, 0x21, 0x22, 0xAD, 0x9A, 0xD6, 0x16, 0x84, 0xD1, 0x95, 0xBA, 0x8C, 0xD1, 0x1E } #endif lwan_itf_cfg_t lwan_itf_ttn = { .type = ALP_ITF_TYPE_LWAN, // 0: NONE, 1: OTAA, 2: ABP .cfg.activation_mode = 1, // XXX Only OTAA // LoRaWAN device class .cfg.dev_class = LWAN_CLASS_A, .cfg.dev_address = 0x700006BF, // For ABP Mode (Big Endian) .cfg.app_id = MY_APP_ID, .cfg.app_key = MY_APP_KEY, // State of adaptative Datarate .cfg.adr_enable = 1, .cfg.app_skey = {0}, // For ABP Mode .cfg.nw_skey = {0}, // For ABP Mode .cfg.nw_id = 0, // // Enable or disable a public network .cfg.nw_public = 1, // Uplink datarate, if adr_enable is off .cfg.tx_datarate = 0, // ISM Band .cfg.ism_band = ISM_BAND_868, }; // Interrupt Service Routine on button press. void button_push_isr( void ) { if (alarm_ready) { button_user.release(); } else { PRINT("YOU CAN'T SEND ALARM AGAIN SO SOON.\n"); } } // Callback for id User void my_main_callback(uint8_t terminal, int8_t err, uint8_t id) { (void)id; if (ALP_ERR_NONE != err) { modem_print_error(ALP_ITF_TYPE_D7A, err); } if (terminal) { modem_ready[id].release(); } } static bool report_ok(uint32_t last_report_time) { // Do not send a report if it's been less than MIN_REPORT_PERIOD since the last report if ((last_report_time/1000) < MIN_REPORT_PERIOD) { PRINT("Report Skipped, next in %ds min\n", MIN_REPORT_PERIOD - (last_report_time/1000)); return false; } return true; } // Check parameters to see if data should be send static bool report_needed(sensor_config_t* config, int32_t value, int32_t last_value, uint32_t last_report_time, uint8_t id) { switch (config->report_type) { case REPORT_ALWAYS: // Send a report at each measure PRINT("Report[%d] always\r\n", id); return report_ok(last_report_time); case REPORT_ON_DIFFERENCE: // Send a report when the difference between the last reported measure and the current mesure is greater than max_diff if (abs(last_value - value) >= config->max_diff && config->max_diff) { PRINT("Report[%d] on difference (last:%d new:%d max_diff:%d)\r\n", id, last_value, value, config->max_diff); return report_ok(last_report_time); } break; case REPORT_ON_THRESHOLD: // Send a report when crossing a threshold if ( (value >= config->threshold_high && last_value < config->threshold_high) || (value <= config->threshold_low && last_value > config->threshold_low) || (value < config->threshold_high && last_value >= config->threshold_high) || (value > config->threshold_low && last_value <= config->threshold_low)) { PRINT("Report[%d] on threshold (last:%d new:%d th:%d tl:%d)\r\n", id, last_value, value, config->threshold_high, config->threshold_low); return report_ok(last_report_time); } break; default: break; } // Send a report if it's been more than max_period since the last report if (((last_report_time/1000) >= config->max_period) && config->max_period) { PRINT("Report[%d] on period (max_period:%d time:%d)\r\n", id, config->max_period, last_report_time); return report_ok(last_report_time); } return false; } void thread_sensor_light() { light_value_t light_level; light_value_t light_level_old = 0; uint8_t id = modem_get_id(my_main_callback); // To force a first report uint32_t last_report_time = 0xFFFFFFFF; FPRINT("(id:0x%08x)\r\n", osThreadGetId()); // Get the sensor configuration ram_fs_read(FID_SENSOR_CONFIG, 0, SIZE_SENSOR_CONFIG, (uint8_t*)&g_light_config); while (true) { light_level = sensor_get_light(); //PRINT("Light %d\r\n", light_level); if (report_needed(&g_light_config, light_level, light_level_old, last_report_time, id)) { PRINT("Light report %d\r\n", light_level); // Send notification modem_write_file(FID_SENSOR_LIGHT, &light_level, 0, SIZE_SENSOR_LIGHT, id); modem_ready[id].wait(); // Update light_level_old = light_level; last_report_time = 0; } // Update last report time last_report_time += g_light_config.read_period; Thread::wait(g_light_config.read_period); } } void thread_file_modified() { uint8_t fid; osEvent evt; while (true) { evt = g_file_modified.get(); fid = (evt.status == osEventMessage)? (uint8_t)(uint32_t)evt.value.p : NULL; switch (fid) { case FID_SENSOR_CONFIG: // Update sensor configuration ram_fs_read(FID_SENSOR_CONFIG, 0, SIZE_SENSOR_CONFIG, (uint8_t*)&g_light_config); PRINT("Sensor configuration updated\r\n"); break; default: break; } } } void button_user_thread() { alarm_t alarm; uint8_t id = modem_get_id(my_main_callback); // Use LoRaWAN Interface for the alarm typedef uint8_t lwan_itf_t; lwan_itf_t alarm_itf = ALP_ITF_TYPE_LWAN; // Load alarm value ram_fs_read(FID_ALARM, 0, SIZE_ALARM, &alarm); PRINT("Setup LoRaWAN URCs\n"); modem_enable_urc(ALP_URC_TYPE_ITF_BUSY, FID_LWAN_ITF0, 1, true, id); modem_ready[id].wait(); PRINT("Start LoRaWAN Stack (Join)\n"); modem_activate_itf(ALP_ITF_TYPE_LWAN, 1, FID_LWAN_ITF0, 0, true, id); modem_ready[id].wait(); while (true) { // Wait for button press PRINT("PRESS BUTTON TO SEND LORAWAN ALARM...\r\n"); alarm_ready = true; button_user.wait(); alarm_ready = false; if (itf_busy) { PRINT("LoRaWAN Still busy.\r\n"); } else { // load/save value to keep choerency in case of remote access... ram_fs_read(FID_ALARM, 0, SIZE_ALARM, &alarm); // Toggle alarm state alarm = !alarm; ram_fs_write(FID_ALARM, 0, SIZE_ALARM, &alarm); PRINT("BUTTON ALARM %d\r\n", alarm); modem_send_file_content((uint8_t*)&alarm_itf, sizeof(lwan_itf_t), NULL, FID_ALARM, &alarm, 0, SIZE_ALARM, id); modem_ready[id].wait(); } } } void urc_thread() { while (true) { modem_urc.wait(); if (MAX_U32 == itf_busy) { // Failed to join PRINT("LoRaWAN Join failed.\r\n"); // Clear busy, join will be retried at next send. itf_busy = 0; } else if (itf_busy) { // Packet will be sent in x seconds PRINT("LoRaWAN Busy for %ds.\r\n", itf_busy); } else { // Packet has been sent PRINT("LoRaWAN Done.\r\n"); } } } modem_callbacks_t callbacks = { .read = my_read, .write = my_write, .read_fprop = my_read_fprop, .flush = my_flush, .remove = my_delete, .udata = my_udata, .lqual = my_lqual, .ldown = my_ldown, .reset = my_reset, .boot = my_boot, .busy = my_busy, .itf_busy = my_itf_busy, }; /*** Main function ------------------------------------------------------------- ***/ int main() { // Start & initialize #ifdef DEBUG_LED DBG_OPEN(DEBUG_LED); #else DBG_OPEN(NC); #endif PRINT("\n" "-----------------------------------------\n" "-------------- Demo LoRaWAN -------------\n" "-----------------------------------------\n"); FPRINT("(id:0x%08x)\r\n", osThreadGetId()); modem_helper_open(&callbacks); uint8_t id = modem_get_id(my_main_callback); DPRINT("Register Files\n"); // Create report file on modem. modem_update_file(FID_SENSOR_LIGHT, (alp_file_header_t*)&h_sensor_light, NULL); // Allow remote access. modem_update_file(FID_SENSOR_CONFIG, (alp_file_header_t*)&h_sensor_config, (uint8_t*)&f_sensor_config); modem_update_file(FID_ALARM, (alp_file_header_t*)&h_alarm, (uint8_t*)&f_alarm); PRINT("Update LoRaWAN Interface file\n"); modem_write_file(FID_LWAN_ITF0, &lwan_itf_ttn, 0, sizeof(lwan_itf_cfg_t), id); modem_ready[id].wait(); // Configure URC: LQUAL on report file notification every 10 reports PRINT("Setup D7A URCs\n"); modem_enable_urc(ALP_URC_TYPE_LQUAL, IFID_REPORT, 10, true, id); modem_ready[id].wait(); PRINT("Start D7A Stack\n"); modem_activate_itf(ALP_ITF_TYPE_D7A, 24, 0, ALP_D7A_ISTAT_UNS | ALP_D7A_ISTAT_RESP | ALP_D7A_ISTAT_EOP, true, id); modem_ready[id].wait(); PRINT("Notify Modem Version\n"); modem_notify_file(D7A_FID_FIRMWARE_VERSION, 0, SIZE_HOST_REV, id); modem_ready[id].wait(); PRINT("Notify FW Version\n"); uint8_t default_root_key[16] = DEFAULT_ROOT_KEY; modem_notify_host_rev(&f_rev, &h_rev, default_root_key); modem_free_id(id); // Start file modified thread Thread th_file_modified(osPriorityNormal, 1024, NULL); osStatus status = th_file_modified.start(thread_file_modified); ASSERT(status == osOK, "Failed to start thread_file_modified (err: %d)\r\n", status); // Start light measure thread Thread th_sensor_light(osPriorityNormal, 1024, NULL); status = th_sensor_light.start(thread_sensor_light); ASSERT(status == osOK, "Failed to start thread_sensor_light (err: %d)\r\n", status); #ifdef DEBUG_BUTTON DebouncedInterrupt user_interrupt(DEBUG_BUTTON); user_interrupt.attach(button_push_isr, IRQ_FALL, 500, true); Thread but_th(osPriorityNormal, 1024, NULL); status = but_th.start(button_user_thread); ASSERT(status == osOK, "Failed to start but thread (err: %d)\r\n", status); Thread urc_th(osPriorityNormal, 1024, NULL); status = urc_th.start(urc_thread); ASSERT(status == osOK, "Failed to start urc thread (err: %d)\r\n", status); #endif #ifdef DEBUG_LED DigitalOut my_led(DEBUG_LED); #endif // Set main task to lowest priority osThreadSetPriority(osThreadGetId(), osPriorityIdle); while(true) { Thread::wait(500); #ifdef DEBUG_LED my_led = !my_led; #endif } }