Basic xdot code to check how many memory is available for user APP after initializing libxdot lorawan stack
examples/src/ota_example.cpp@15:364df461110f, 2016-10-11 (annotated)
- Committer:
- Mike Fiore
- Date:
- Tue Oct 11 16:33:45 2016 -0500
- Revision:
- 15:364df461110f
- Parent:
- 14:19fae4509473
- Child:
- 16:a3832552dfe1
disable ACKs and enable network link checks for OTA and AUTO_OTA examples
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mfiore | 0:a151a6350d7f | 1 | #include "dot_util.h" |
Mike Fiore |
14:19fae4509473 | 2 | #include "RadioEvent.h" |
mfiore | 0:a151a6350d7f | 3 | |
mfiore | 0:a151a6350d7f | 4 | #if ACTIVE_EXAMPLE == OTA_EXAMPLE |
mfiore | 0:a151a6350d7f | 5 | |
Mike Fiore |
5:97ed5f2f099e | 6 | ///////////////////////////////////////////////////////////// |
Mike Fiore |
5:97ed5f2f099e | 7 | // * these options must match the settings on your gateway // |
Mike Fiore |
5:97ed5f2f099e | 8 | // * edit their values to match your configuration // |
Mike Fiore |
5:97ed5f2f099e | 9 | // * frequency sub band is only relevant for the 915 bands // |
Mike Fiore |
5:97ed5f2f099e | 10 | // * either the network name and passphrase can be used or // |
Mike Fiore |
5:97ed5f2f099e | 11 | // the network ID (8 bytes) and KEY (16 bytes) // |
Mike Fiore |
5:97ed5f2f099e | 12 | ///////////////////////////////////////////////////////////// |
mfiore | 3:0e3e776e2862 | 13 | static std::string network_name = "MultiTech"; |
mfiore | 3:0e3e776e2862 | 14 | static std::string network_passphrase = "MultiTech"; |
Mike Fiore |
5:97ed5f2f099e | 15 | static uint8_t network_id[] = { 0x6C, 0x4E, 0xEF, 0x66, 0xF4, 0x79, 0x86, 0xA6 }; |
Mike Fiore |
5:97ed5f2f099e | 16 | static uint8_t network_key[] = { 0x1F, 0x33, 0xA1, 0x70, 0xA5, 0xF1, 0xFD, 0xA0, 0xAB, 0x69, 0x7A, 0xAE, 0x2B, 0x95, 0x91, 0x6B }; |
mfiore | 3:0e3e776e2862 | 17 | static uint8_t frequency_sub_band = 0; |
mfiore | 0:a151a6350d7f | 18 | static bool public_network = false; |
Mike Fiore |
15:364df461110f | 19 | static uint8_t ack = 0; |
mfiore | 0:a151a6350d7f | 20 | |
mfiore | 0:a151a6350d7f | 21 | // deepsleep consumes slightly less current than sleep |
mfiore | 0:a151a6350d7f | 22 | // in sleep mode, IO state is maintained, RAM is retained, and application will resume after waking up |
mfiore | 0:a151a6350d7f | 23 | // in deepsleep mode, IOs float, RAM is lost, and application will start from beginning after waking up |
mfiore | 0:a151a6350d7f | 24 | // if deep_sleep == true, device will enter deepsleep mode |
mfiore | 0:a151a6350d7f | 25 | static bool deep_sleep = false; |
mfiore | 0:a151a6350d7f | 26 | |
mfiore | 0:a151a6350d7f | 27 | mDot* dot = NULL; |
mfiore | 0:a151a6350d7f | 28 | |
mfiore | 0:a151a6350d7f | 29 | Serial pc(USBTX, USBRX); |
mfiore | 0:a151a6350d7f | 30 | |
mfiore | 0:a151a6350d7f | 31 | #if defined(TARGET_XDOT_L151CC) |
mfiore | 0:a151a6350d7f | 32 | I2C i2c(I2C_SDA, I2C_SCL); |
mfiore | 0:a151a6350d7f | 33 | ISL29011 lux(i2c); |
mfiore | 0:a151a6350d7f | 34 | #else |
mfiore | 0:a151a6350d7f | 35 | AnalogIn lux(XBEE_AD0); |
mfiore | 0:a151a6350d7f | 36 | #endif |
mfiore | 0:a151a6350d7f | 37 | |
mfiore | 0:a151a6350d7f | 38 | int main() { |
Mike Fiore |
14:19fae4509473 | 39 | // Custom event handler for automatically displaying RX data |
Mike Fiore |
14:19fae4509473 | 40 | RadioEvent events; |
Mike Fiore |
14:19fae4509473 | 41 | |
mfiore | 0:a151a6350d7f | 42 | pc.baud(115200); |
mfiore | 0:a151a6350d7f | 43 | |
mfiore | 0:a151a6350d7f | 44 | mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL); |
mfiore | 0:a151a6350d7f | 45 | |
mfiore | 0:a151a6350d7f | 46 | dot = mDot::getInstance(); |
mfiore | 0:a151a6350d7f | 47 | |
Mike Fiore |
14:19fae4509473 | 48 | // attach the custom events handler |
Mike Fiore |
14:19fae4509473 | 49 | dot->setEvents(&events); |
Mike Fiore |
14:19fae4509473 | 50 | |
Mike Fiore |
12:ec9768677cea | 51 | if (!dot->getStandbyFlag()) { |
Mike Fiore |
12:ec9768677cea | 52 | // start from a well-known state |
Mike Fiore |
12:ec9768677cea | 53 | logInfo("defaulting Dot configuration"); |
Mike Fiore |
12:ec9768677cea | 54 | dot->resetConfig(); |
Mike Fiore |
12:ec9768677cea | 55 | dot->resetNetworkSession(); |
mfiore | 0:a151a6350d7f | 56 | |
Mike Fiore |
12:ec9768677cea | 57 | // make sure library logging is turned on |
Mike Fiore |
12:ec9768677cea | 58 | dot->setLogLevel(mts::MTSLog::INFO_LEVEL); |
Mike Fiore |
12:ec9768677cea | 59 | |
Mike Fiore |
12:ec9768677cea | 60 | // update configuration if necessary |
Mike Fiore |
12:ec9768677cea | 61 | if (dot->getJoinMode() != mDot::OTA) { |
Mike Fiore |
12:ec9768677cea | 62 | logInfo("changing network join mode to OTA"); |
Mike Fiore |
12:ec9768677cea | 63 | if (dot->setJoinMode(mDot::OTA) != mDot::MDOT_OK) { |
Mike Fiore |
12:ec9768677cea | 64 | logError("failed to set network join mode to OTA"); |
Mike Fiore |
12:ec9768677cea | 65 | } |
mfiore | 0:a151a6350d7f | 66 | } |
Mike Fiore |
12:ec9768677cea | 67 | // in OTA and AUTO_OTA join modes, the credentials can be passed to the library as a name and passphrase or an ID and KEY |
Mike Fiore |
12:ec9768677cea | 68 | // only one method or the other should be used! |
Mike Fiore |
12:ec9768677cea | 69 | // network ID = crc64(network name) |
Mike Fiore |
12:ec9768677cea | 70 | // network KEY = cmac(network passphrase) |
Mike Fiore |
12:ec9768677cea | 71 | update_ota_config_name_phrase(network_name, network_passphrase, frequency_sub_band, public_network, ack); |
Mike Fiore |
12:ec9768677cea | 72 | //update_ota_config_id_key(network_id, network_key, frequency_sub_band, public_network, ack); |
Mike Fiore |
15:364df461110f | 73 | |
Mike Fiore |
15:364df461110f | 74 | // configure network link checks |
Mike Fiore |
15:364df461110f | 75 | // network link checks are a good alternative to requiring the gateway to ACK every packet and should allow a single gateway to handle more Dots |
Mike Fiore |
15:364df461110f | 76 | // check the link every count packets |
Mike Fiore |
15:364df461110f | 77 | // declare the Dot disconnected after threshold failed link checks |
Mike Fiore |
15:364df461110f | 78 | // for count = 3 and threshold = 5, the Dot will be considered disconnected after 15 missed packets in a row |
Mike Fiore |
15:364df461110f | 79 | update_network_link_check_config(3, 5); |
Mike Fiore |
9:72d3203279b2 | 80 | |
Mike Fiore |
12:ec9768677cea | 81 | // save changes to configuration |
Mike Fiore |
12:ec9768677cea | 82 | logInfo("saving configuration"); |
Mike Fiore |
12:ec9768677cea | 83 | if (!dot->saveConfig()) { |
Mike Fiore |
12:ec9768677cea | 84 | logError("failed to save configuration"); |
Mike Fiore |
12:ec9768677cea | 85 | } |
mfiore | 0:a151a6350d7f | 86 | |
Mike Fiore |
12:ec9768677cea | 87 | // display configuration |
Mike Fiore |
12:ec9768677cea | 88 | display_config(); |
Mike Fiore |
12:ec9768677cea | 89 | } else { |
Mike Fiore |
12:ec9768677cea | 90 | // restore the saved session if the dot woke from deepsleep mode |
Mike Fiore |
12:ec9768677cea | 91 | // useful to use with deepsleep because session info is otherwise lost when the dot enters deepsleep |
mfiore | 0:a151a6350d7f | 92 | logInfo("restoring network session from NVM"); |
mfiore | 0:a151a6350d7f | 93 | dot->restoreNetworkSession(); |
mfiore | 0:a151a6350d7f | 94 | } |
Mike Fiore |
9:72d3203279b2 | 95 | |
mfiore | 0:a151a6350d7f | 96 | while (true) { |
mfiore | 0:a151a6350d7f | 97 | uint16_t light; |
mfiore | 0:a151a6350d7f | 98 | std::vector<uint8_t> tx_data; |
mfiore | 0:a151a6350d7f | 99 | |
mfiore | 0:a151a6350d7f | 100 | // join network if not joined |
mfiore | 0:a151a6350d7f | 101 | if (!dot->getNetworkJoinStatus()) { |
mfiore | 0:a151a6350d7f | 102 | join_network(); |
mfiore | 0:a151a6350d7f | 103 | } |
mfiore | 0:a151a6350d7f | 104 | |
mfiore | 0:a151a6350d7f | 105 | #if defined(TARGET_XDOT_L151CC) |
mfiore | 0:a151a6350d7f | 106 | // configure the ISL29011 sensor on the xDot-DK for continuous ambient light sampling, 16 bit conversion, and maximum range |
mfiore | 0:a151a6350d7f | 107 | lux.setMode(ISL29011::ALS_CONT); |
mfiore | 0:a151a6350d7f | 108 | lux.setResolution(ISL29011::ADC_16BIT); |
mfiore | 0:a151a6350d7f | 109 | lux.setRange(ISL29011::RNG_64000); |
mfiore | 0:a151a6350d7f | 110 | |
mfiore | 0:a151a6350d7f | 111 | // get the latest light sample and send it to the gateway |
mfiore | 0:a151a6350d7f | 112 | light = lux.getData(); |
mfiore | 0:a151a6350d7f | 113 | tx_data.push_back((light >> 8) & 0xFF); |
mfiore | 0:a151a6350d7f | 114 | tx_data.push_back(light & 0xFF); |
mfiore | 0:a151a6350d7f | 115 | logInfo("light: %lu [0x%04X]", light, light); |
mfiore | 0:a151a6350d7f | 116 | send_data(tx_data); |
mfiore | 0:a151a6350d7f | 117 | |
mfiore | 0:a151a6350d7f | 118 | // put the LSL29011 ambient light sensor into a low power state |
mfiore | 0:a151a6350d7f | 119 | lux.setMode(ISL29011::PWR_DOWN); |
mfiore | 0:a151a6350d7f | 120 | #else |
mfiore | 0:a151a6350d7f | 121 | // get some dummy data and send it to the gateway |
mfiore | 0:a151a6350d7f | 122 | light = lux.read_u16(); |
mfiore | 0:a151a6350d7f | 123 | tx_data.push_back((light >> 8) & 0xFF); |
mfiore | 0:a151a6350d7f | 124 | tx_data.push_back(light & 0xFF); |
mfiore | 0:a151a6350d7f | 125 | logInfo("light: %lu [0x%04X]", light, light); |
mfiore | 0:a151a6350d7f | 126 | send_data(tx_data); |
mfiore | 0:a151a6350d7f | 127 | #endif |
mfiore | 0:a151a6350d7f | 128 | |
mfiore | 0:a151a6350d7f | 129 | // if going into deepsleep mode, save the session so we don't need to join again after waking up |
mfiore | 0:a151a6350d7f | 130 | // not necessary if going into sleep mode since RAM is retained |
mfiore | 0:a151a6350d7f | 131 | if (deep_sleep) { |
mfiore | 0:a151a6350d7f | 132 | logInfo("saving network session to NVM"); |
mfiore | 0:a151a6350d7f | 133 | dot->saveNetworkSession(); |
mfiore | 0:a151a6350d7f | 134 | } |
mfiore | 0:a151a6350d7f | 135 | |
mfiore | 0:a151a6350d7f | 136 | // ONLY ONE of the three functions below should be uncommented depending on the desired wakeup method |
mfiore | 0:a151a6350d7f | 137 | //sleep_wake_rtc_only(deep_sleep); |
mfiore | 0:a151a6350d7f | 138 | //sleep_wake_interrupt_only(deep_sleep); |
mfiore | 0:a151a6350d7f | 139 | sleep_wake_rtc_or_interrupt(deep_sleep); |
mfiore | 0:a151a6350d7f | 140 | } |
mfiore | 0:a151a6350d7f | 141 | |
mfiore | 0:a151a6350d7f | 142 | return 0; |
mfiore | 0:a151a6350d7f | 143 | } |
mfiore | 0:a151a6350d7f | 144 | |
mfiore | 0:a151a6350d7f | 145 | #endif |