Andrew Noll / Mbed 2 deprecated mDot_SPI_slave

first_commit

Dependencies:   SLAVE_LIB libmDot-mbed5 mbed-rtos mbed

Fork of mDot_LoRa_Connect_Example by MultiTech

main.cpp@8:e0ab39e4d007, 2017-04-21 (annotated)

Committer:
AMNoll
Date:
Fri Apr 21 16:02:08 2017 +0000
Revision:
8:e0ab39e4d007
Parent:
7:93000504469c 
initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mfiore 0:09250cd371d2 1 #include "mbed.h"
mfiore 0:09250cd371d2 2 #include "mDot.h"
mfiore 4:36e214ebfa56 3 #include "MTSLog.h"
AMNoll 7:93000504469c 4 #include "SPISlave.h"
mfiore 0:09250cd371d2 5 #include <string>
mfiore 0:09250cd371d2 6 #include <vector>
mfiore 4:36e214ebfa56 7 #include <algorithm>
mfiore 0:09250cd371d2 8
mfiore 2:6e2c378339d9 9 // these options must match the settings on your Conduit
mfiore 2:6e2c378339d9 10 // uncomment the following lines and edit their values to match your configuration
AMNoll 7:93000504469c 11 static std::string config_network_name = "gobucks1";
AMNoll 7:93000504469c 12 static std::string config_network_pass = "gobucks1";
jreiss 5:e9d78a9bafc5 13 static uint8_t config_frequency_sub_band = 1;
mfiore 0:09250cd371d2 14
AMNoll 7:93000504469c 15 int main()
AMNoll 7:93000504469c 16 {
mfiore 0:09250cd371d2 17 int32_t ret;
AMNoll 7:93000504469c 18 int i = 0;
mfiore 0:09250cd371d2 19 mDot* dot;
mfiore 0:09250cd371d2 20 std::vector<uint8_t> data;
AMNoll 7:93000504469c 21 //uint8_t Q = 1;
AMNoll 7:93000504469c 22 //Instantiate uint8_t for spi read data
AMNoll 7:93000504469c 23 uint8_t spi_data = 0;
AMNoll 7:93000504469c 24 uint8_t spi_true = 0;
AMNoll 7:93000504469c 25
AMNoll 7:93000504469c 26 //Instantiate mDot as SPI Slave
AMNoll 7:93000504469c 27 //FOR mDot: MOSI is PA_7, MISO is PA_6, SCLK is PA_5, NSS is PA_4
AMNoll 7:93000504469c 28 SPISlave mdot_slave(PA_7, PA_6, PA_5, PA_4); // mosi, miso, sclk, ssel
AMNoll 7:93000504469c 29 //Set up spi format with 8 bit data format, mode 0 for mDot slave
AMNoll 7:93000504469c 30 mdot_slave.format(8,0);
AMNoll 7:93000504469c 31 //Set up 1 MHz frequency for spi transfer
AMNoll 7:93000504469c 32 mdot_slave.frequency(1000000);
AMNoll 7:93000504469c 33
mfiore 0:09250cd371d2 34 // get a mDot handle
mfiore 0:09250cd371d2 35 dot = mDot::getInstance();
AMNoll 7:93000504469c 36
mfiore 2:6e2c378339d9 37 // print library version information
mfiore 2:6e2c378339d9 38 logInfo("version: %s", dot->getId().c_str());
mfiore 0:09250cd371d2 39
mfiore 2:6e2c378339d9 40 //*******************************************
mfiore 2:6e2c378339d9 41 // configuration
mfiore 2:6e2c378339d9 42 //*******************************************
mfiore 0:09250cd371d2 43 // reset to default config so we know what state we're in
mfiore 0:09250cd371d2 44 dot->resetConfig();
AMNoll 7:93000504469c 45
mfiore 4:36e214ebfa56 46 dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
mfiore 0:09250cd371d2 47
mfiore 2:6e2c378339d9 48 // set up the mDot with our network information: frequency sub band, network name, and network password
mfiore 2:6e2c378339d9 49 // these can all be saved in NVM so they don't need to be set every time - see mDot::saveConfig()
AMNoll 7:93000504469c 50
mfiore 4:36e214ebfa56 51 // frequency sub band is only applicable in the 915 (US) frequency band
mfiore 4:36e214ebfa56 52 // if using a MultiTech Conduit gateway, use the same sub band as your Conduit (1-8) - the mDot will use the 8 channels in that sub band
mfiore 4:36e214ebfa56 53 // if using a gateway that supports all 64 channels, use sub band 0 - the mDot will use all 64 channels
AMNoll 7:93000504469c 54
jreiss 6:f0b6fea36e28 55 // logInfo("setting to public network");
jreiss 6:f0b6fea36e28 56 // if ((ret = dot->setPublicNetwork(true)) != mDot::MDOT_OK) {
jreiss 6:f0b6fea36e28 57 // logError("failed to set public network %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
jreiss 6:f0b6fea36e28 58 // }
jreiss 5:e9d78a9bafc5 59
AMNoll 7:93000504469c 60 logInfo("setting frequency sub band");
mfiore 0:09250cd371d2 61 if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
mfiore 2:6e2c378339d9 62 logError("failed to set frequency sub band %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
mfiore 2:6e2c378339d9 63 }
AMNoll 7:93000504469c 64
mfiore 2:6e2c378339d9 65 logInfo("setting network name");
mfiore 2:6e2c378339d9 66 if ((ret = dot->setNetworkName(config_network_name)) != mDot::MDOT_OK) {
mfiore 2:6e2c378339d9 67 logError("failed to set network name %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
mfiore 0:09250cd371d2 68 }
AMNoll 7:93000504469c 69
mfiore 2:6e2c378339d9 70 logInfo("setting network password");
mfiore 2:6e2c378339d9 71 if ((ret = dot->setNetworkPassphrase(config_network_pass)) != mDot::MDOT_OK) {
mfiore 2:6e2c378339d9 72 logError("failed to set network password %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
mfiore 0:09250cd371d2 73 }
AMNoll 7:93000504469c 74
mfiore 4:36e214ebfa56 75 // a higher spreading factor allows for longer range but lower throughput
mfiore 4:36e214ebfa56 76 // in the 915 (US) frequency band, spreading factors 7 - 10 are available
mfiore 4:36e214ebfa56 77 // in the 868 (EU) frequency band, spreading factors 7 - 12 are available
mfiore 4:36e214ebfa56 78 logInfo("setting TX spreading factor");
mfiore 4:36e214ebfa56 79 if ((ret = dot->setTxDataRate(mDot::SF_10)) != mDot::MDOT_OK) {
mfiore 4:36e214ebfa56 80 logError("failed to set TX datarate %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
mfiore 4:36e214ebfa56 81 }
AMNoll 7:93000504469c 82
mfiore 4:36e214ebfa56 83 // request receive confirmation of packets from the gateway
mfiore 4:36e214ebfa56 84 logInfo("enabling ACKs");
mfiore 4:36e214ebfa56 85 if ((ret = dot->setAck(1)) != mDot::MDOT_OK) {
mfiore 4:36e214ebfa56 86 logError("failed to enable ACKs %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
mfiore 4:36e214ebfa56 87 }
AMNoll 7:93000504469c 88
mfiore 4:36e214ebfa56 89 // save this configuration to the mDot's NVM
mfiore 2:6e2c378339d9 90 logInfo("saving config");
mfiore 2:6e2c378339d9 91 if (! dot->saveConfig()) {
mfiore 2:6e2c378339d9 92 logError("failed to save configuration");
mfiore 0:09250cd371d2 93 }
mfiore 2:6e2c378339d9 94 //*******************************************
mfiore 2:6e2c378339d9 95 // end of configuration
mfiore 2:6e2c378339d9 96 //*******************************************
mfiore 0:09250cd371d2 97
mfiore 0:09250cd371d2 98 // attempt to join the network
mfiore 2:6e2c378339d9 99 logInfo("joining network");
mfiore 0:09250cd371d2 100 while ((ret = dot->joinNetwork()) != mDot::MDOT_OK) {
mfiore 2:6e2c378339d9 101 logError("failed to join network %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
mfiore 4:36e214ebfa56 102 // in the 868 (EU) frequency band, we need to wait until another channel is available before transmitting again
mfiore 4:36e214ebfa56 103 osDelay(std::max((uint32_t)1000, (uint32_t)dot->getNextTxMs()));
mfiore 0:09250cd371d2 104 }
mfiore 0:09250cd371d2 105
AMNoll 7:93000504469c 106 //data.push_back(Q);
AMNoll 7:93000504469c 107
AMNoll 7:93000504469c 108 // Prime SPI with first reply
AMNoll 7:93000504469c 109 //mdot_slave.reply(0);
mfiore 0:09250cd371d2 110
mfiore 0:09250cd371d2 111 while (true) {
AMNoll 7:93000504469c 112
AMNoll 7:93000504469c 113 while(i<10000){
AMNoll 7:93000504469c 114 if(mdot_slave.receive()){
AMNoll 7:93000504469c 115 spi_data=11;
AMNoll 7:93000504469c 116 spi_true=1;
AMNoll 7:93000504469c 117 }
AMNoll 7:93000504469c 118 else{
AMNoll 7:93000504469c 119 spi_data=10;
AMNoll 7:93000504469c 120 }
AMNoll 7:93000504469c 121 i++;
mfiore 0:09250cd371d2 122 }
AMNoll 7:93000504469c 123 /*
AMNoll 7:93000504469c 124 if(mdot_slave.receive()) {
AMNoll 7:93000504469c 125 //Read byte from master
AMNoll 7:93000504469c 126 spi_data = mdot_slave.read();
AMNoll 7:93000504469c 127 //Reply spi after slave reading
AMNoll 7:93000504469c 128 mdot_slave.reply(0);
AMNoll 7:93000504469c 129
AMNoll 7:93000504469c 130 //push received spi data to data packet vector
AMNoll 7:93000504469c 131 data.push_back(spi_data);
AMNoll 7:93000504469c 132
AMNoll 7:93000504469c 133 // send the data to the gateway
AMNoll 7:93000504469c 134 if ((ret = dot->send(data)) != mDot::MDOT_OK) {
AMNoll 7:93000504469c 135 logError("failed to send", ret, mDot::getReturnCodeString(ret).c_str());
AMNoll 7:93000504469c 136 } else
AMNoll 7:93000504469c 137 logInfo("successfully sent data to gateway");
mfiore 0:09250cd371d2 138
AMNoll 7:93000504469c 139 // in the 868 (EU) frequency band, we need to wait until another channel is available before transmitting again
AMNoll 7:93000504469c 140 osDelay(std::max((uint32_t)5000, (uint32_t)dot->getNextTxMs()));
AMNoll 7:93000504469c 141
AMNoll 7:93000504469c 142 //Q++;
AMNoll 7:93000504469c 143 //data.clear();
AMNoll 7:93000504469c 144 //data.push_back(Q);
AMNoll 7:93000504469c 145 //printf("\nQ = %u\n",Q);
AMNoll 7:93000504469c 146 //printf("Q vector = %u\n",data[0]);
AMNoll 7:93000504469c 147
AMNoll 7:93000504469c 148 //end slave receive if statement
AMNoll 7:93000504469c 149 }
AMNoll 7:93000504469c 150 else{
AMNoll 7:93000504469c 151 spi_data = 10;
AMNoll 7:93000504469c 152 */
AMNoll 7:93000504469c 153 //push received spi data to data packet vector
AMNoll 7:93000504469c 154 data.push_back(spi_data);
AMNoll 7:93000504469c 155 data.push_back(spi_true);
AMNoll 7:93000504469c 156 // send the data to the gateway
AMNoll 7:93000504469c 157 if ((ret = dot->send(data)) != mDot::MDOT_OK) {
AMNoll 7:93000504469c 158 logError("failed to send", ret, mDot::getReturnCodeString(ret).c_str());
AMNoll 7:93000504469c 159 } else
AMNoll 7:93000504469c 160 logInfo("successfully sent data to gateway");
AMNoll 7:93000504469c 161
AMNoll 7:93000504469c 162 // in the 868 (EU) frequency band, we need to wait until another channel is available before transmitting again
AMNoll 7:93000504469c 163 osDelay(std::max((uint32_t)5000, (uint32_t)dot->getNextTxMs()));
AMNoll 7:93000504469c 164 //}
AMNoll 7:93000504469c 165 data.clear();
AMNoll 7:93000504469c 166 spi_true = 0;
AMNoll 7:93000504469c 167 i = 0;
AMNoll 7:93000504469c 168 //end while(true) loop
mfiore 0:09250cd371d2 169 }
mfiore 0:09250cd371d2 170 return 0;
mfiore 0:09250cd371d2 171 }
AMNoll 7:93000504469c 172