alan broad / Mbed OS carbon_v5_arm_studio

arm studio build

Dependencies:   libxDot-mbed5

src/wbit_util.cpp@5:abfe25f0de33, 2018-08-06 (annotated)

Committer:
alan1974
Date:
Mon Aug 06 19:11:02 2018 +0000
Revision:
5:abfe25f0de33
Parent:
4:d87f8dcf40ef
Child:
7:fba1e8fc7693
initial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
alan1974 1:0d25d9ddbe9f 1 #include "global.h"
alan1974 0:a91cd1b08360 2 #include "wbit_util.h"
alan1974 0:a91cd1b08360 3 #include "dot_util.h"
alan1974 1:0d25d9ddbe9f 4 #include "commI2C.h"
alan1974 0:a91cd1b08360 5 #include "mbed.h"
alan1974 0:a91cd1b08360 6 #include "mDot.h"
alan1974 2:0af50f386eb2 7 extern Serial pc;
alan1974 5:abfe25f0de33 8 extern bool verbose;
alan1974 1:0d25d9ddbe9f 9 uint8_t j_attempts = 0; //return number of attempts it took to join the network
alan1974 1:0d25d9ddbe9f 10
alan1974 1:0d25d9ddbe9f 11
alan1974 1:0d25d9ddbe9f 12 //network keys
alan1974 1:0d25d9ddbe9f 13 //these are used as backup keys in case nvm memory is corrupted and we can't read the keys correctly
alan1974 1:0d25d9ddbe9f 14 uint8_t network_id[] = { 0x90, 0xF1, 0x47, 0x90, 0x6C, 0x48, 0x1D, 0x29 }; //static id not used anymore but don't comment out
alan1974 2:0af50f386eb2 15 uint8_t network_key[] = { 0x0F, 0xF9, 0xA2, 0x90, 0x2E, 0xAA, 0x6B, 0x8C, 0x6A, 0x4E, 0xFD, 0x67, 0xF9, 0xA6, 0xF3, 0xD3 }; //OTAA appkey
alan1974 5:abfe25f0de33 16
alan1974 5:abfe25f0de33 17 //============================================================================
alan1974 5:abfe25f0de33 18 // printRadioCfg
alan1974 5:abfe25f0de33 19
alan1974 5:abfe25f0de33 20 //============================================================================
alan1974 5:abfe25f0de33 21 void printRadioCfg(){
alan1974 5:abfe25f0de33 22 if(verbose){
alan1974 5:abfe25f0de33 23 pc.printf("\r\n************************************************************");
alan1974 5:abfe25f0de33 24 pc.printf("\r\n saved radio configuration: ");
alan1974 5:abfe25f0de33 25 pc.printf("\r\n public network: %d ",dot->getPublicNetwork());
alan1974 5:abfe25f0de33 26 pc.printf("\r\n subband: %d ",dot->getFrequencySubBand());
alan1974 5:abfe25f0de33 27 pc.printf("\n\r join delay %d ",dot->getJoinDelay());
alan1974 5:abfe25f0de33 28 pc.printf("\r\n ADR: %d ",dot->getAdr());
alan1974 5:abfe25f0de33 29 pc.printf("\r\n antenna gain: %d ",dot->getAntennaGain());
alan1974 5:abfe25f0de33 30 pc.printf("\r\n transmit max pwr: %d ",dot->getMaxTxPower()); //not saved in cfg
alan1974 5:abfe25f0de33 31 pc.printf("\r\n transmit min pwr: %d ",dot->getMinTxPower()); //not saved in cfg
alan1974 5:abfe25f0de33 32 pc.printf("\r\n transmit pwr: %d ",dot->getTxPower());
alan1974 5:abfe25f0de33 33 pc.printf("\n\r tx inverted %d ",dot->getTxInverted());
alan1974 5:abfe25f0de33 34 pc.printf("\n\r rx inverted %d ",dot->getRxInverted());
alan1974 5:abfe25f0de33 35 pc.printf("\n\r rx delay %d ",dot->getRxDelay());
alan1974 5:abfe25f0de33 36 pc.printf("\r\n TxDataRate: %d ",dot->getTxDataRate());
alan1974 5:abfe25f0de33 37 pc.printf("\r\n maxPktLen: %d ",dot->getMaxPacketLength()); //not saved in cfg
alan1974 5:abfe25f0de33 38 pc.printf("\r\n************************************************************\r\n");
alan1974 5:abfe25f0de33 39 }
alan1974 5:abfe25f0de33 40 }
alan1974 2:0af50f386eb2 41 //==============================================================================
alan1974 2:0af50f386eb2 42 //printNmvData
alan1974 1:0d25d9ddbe9f 43 //==============================================================================
alan1974 2:0af50f386eb2 44 void printNmvData(nvm *pNvm){
alan1974 4:d87f8dcf40ef 45 uint8_t i;
alan1974 5:abfe25f0de33 46 if(verbose)pc.printf("\r\n************************************************************");
alan1974 5:abfe25f0de33 47 if(verbose)pc.printf("\r\nnon-volatile memory (nvm):");
alan1974 5:abfe25f0de33 48 if(verbose)pc.printf("\r\nnetwork_id:");
alan1974 4:d87f8dcf40ef 49
alan1974 4:d87f8dcf40ef 50 for (i = 0; i < 8;i++)
alan1974 5:abfe25f0de33 51 if(verbose)pc.printf(" %x",pNvm->network_id[i]);
alan1974 5:abfe25f0de33 52 if(verbose)pc.printf("\r\nnetwork_key:");
alan1974 5:abfe25f0de33 53 for (i = 0 ; i < 16;i++) if(verbose)pc.printf(" %x",pNvm->network_key[i]);
alan1974 5:abfe25f0de33 54 if(verbose)pc.printf("\r\nbLogOutputOn: %d ",pNvm->bLogOutputOn);
alan1974 5:abfe25f0de33 55 if(verbose)pc.printf("\r\n************************************************************\r\n");
alan1974 2:0af50f386eb2 56 }
alan1974 2:0af50f386eb2 57 //==============================================================================
alan1974 2:0af50f386eb2 58 //getNvmChkSum
alan1974 1:0d25d9ddbe9f 59 //compute chksum for nvm data; don't include chksum byte in nvm struc
alan1974 1:0d25d9ddbe9f 60 //==============================================================================
alan1974 2:0af50f386eb2 61 uint8_t getNvmChkSum(nvm *pNvm){
alan1974 2:0af50f386eb2 62 uint8_t i;
alan1974 1:0d25d9ddbe9f 63 uint8_t chksum= 0;
alan1974 1:0d25d9ddbe9f 64 uint8_t *pData = (uint8_t *)pNvm;
alan1974 1:0d25d9ddbe9f 65
alan1974 1:0d25d9ddbe9f 66 for (i = 0 ; i < sizeof(nvm)-1;i++)chksum += pData[i];
alan1974 1:0d25d9ddbe9f 67 return chksum;
alan1974 1:0d25d9ddbe9f 68 }
alan1974 1:0d25d9ddbe9f 69 //==============================================================================
alan1974 1:0d25d9ddbe9f 70 //nvmWrite
alan1974 1:0d25d9ddbe9f 71 //write nvmData struc to nvm memory
alan1974 1:0d25d9ddbe9f 72 //==============================================================================
alan1974 1:0d25d9ddbe9f 73 bool nvmWrite(nvm *pNvm){
alan1974 2:0af50f386eb2 74 pNvm->chksum = getNvmChkSum(pNvm);
alan1974 4:d87f8dcf40ef 75 printNmvData(pNvm);
alan1974 1:0d25d9ddbe9f 76 return dot->nvmWrite(0,pNvm,sizeof(nvm));
alan1974 4:d87f8dcf40ef 77
alan1974 1:0d25d9ddbe9f 78 }
alan1974 1:0d25d9ddbe9f 79 //==============================================================================
alan1974 1:0d25d9ddbe9f 80 //nvmRead
alan1974 1:0d25d9ddbe9f 81 //- read nvmData struc from nvm memory
alan1974 1:0d25d9ddbe9f 82 //- if bad chksum then default to hard code network keys
alan1974 1:0d25d9ddbe9f 83 //==============================================================================
alan1974 1:0d25d9ddbe9f 84 bool nvmRead(nvm *pNvm){
alan1974 1:0d25d9ddbe9f 85 uint8_t i;
alan1974 1:0d25d9ddbe9f 86 dot->nvmRead(0,pNvm,sizeof(nvm));
alan1974 2:0af50f386eb2 87 uint8_t chksum = getNvmChkSum(pNvm);
alan1974 5:abfe25f0de33 88 /*
alan1974 1:0d25d9ddbe9f 89 if (chksum == pNvm->chksum){
alan1974 2:0af50f386eb2 90 logInfo("nvmRead: chksum ok");
alan1974 5:abfe25f0de33 91 //printNmvData(pNvm);
alan1974 1:0d25d9ddbe9f 92 return true;
alan1974 1:0d25d9ddbe9f 93 }
alan1974 5:abfe25f0de33 94 */
alan1974 1:0d25d9ddbe9f 95 //bad chksum, resort to old hard coded keys
alan1974 5:abfe25f0de33 96 if(verbose)pc.printf("nvmRead: bad chksum, using default values");
alan1974 1:0d25d9ddbe9f 97 for (i = 0; i < sizeof(network_id);i++){
alan1974 1:0d25d9ddbe9f 98 pNvm->network_id[i] = network_id[i];
alan1974 1:0d25d9ddbe9f 99 }
alan1974 1:0d25d9ddbe9f 100 for (i = 0; i < sizeof(network_key);i++){
alan1974 1:0d25d9ddbe9f 101 pNvm->network_key[i] = network_key[i];
alan1974 1:0d25d9ddbe9f 102 }
alan1974 1:0d25d9ddbe9f 103 pNvm->bLogOutputOn = 1; //disable log output
alan1974 5:abfe25f0de33 104 // printNmvData(pNvm);
alan1974 1:0d25d9ddbe9f 105 return false;
alan1974 1:0d25d9ddbe9f 106 }
alan1974 1:0d25d9ddbe9f 107 //============================================================================
alan1974 1:0d25d9ddbe9f 108
alan1974 0:a91cd1b08360 109 uint8_t join_network_attempts_wbit() {
alan1974 0:a91cd1b08360 110 return j_attempts;
alan1974 0:a91cd1b08360 111 }
alan1974 0:a91cd1b08360 112
alan1974 0:a91cd1b08360 113 bool join_network_wbit(uint8_t nmbAttempts) {
alan1974 0:a91cd1b08360 114 //int32_t j_attempts = 0;
alan1974 0:a91cd1b08360 115 j_attempts = 0;
alan1974 0:a91cd1b08360 116 int32_t ret = mDot::MDOT_ERROR;
alan1974 0:a91cd1b08360 117
alan1974 0:a91cd1b08360 118 // attempt to join the network
alan1974 0:a91cd1b08360 119 while (ret != mDot::MDOT_OK) {
alan1974 0:a91cd1b08360 120 j_attempts++;
alan1974 0:a91cd1b08360 121 logInfo("attempt %d to join network",j_attempts);
alan1974 0:a91cd1b08360 122 ret = dot->joinNetwork();
alan1974 0:a91cd1b08360 123 if (ret == mDot::MDOT_OK) return true;
alan1974 0:a91cd1b08360 124
alan1974 0:a91cd1b08360 125 logError("failed to join network %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
alan1974 0:a91cd1b08360 126 if (j_attempts >= nmbAttempts)
alan1974 0:a91cd1b08360 127 {
alan1974 0:a91cd1b08360 128 logInfo("attempts %d to join network exceeds specified attempts $d ",j_attempts,nmbAttempts);
alan1974 0:a91cd1b08360 129 return false;
alan1974 0:a91cd1b08360 130 }
alan1974 0:a91cd1b08360 131 // in some frequency bands we need to wait until another channel is available before transmitting again
alan1974 0:a91cd1b08360 132 uint32_t delay_s = (dot->getNextTxMs() / 1000) + 1;
alan1974 0:a91cd1b08360 133 if (delay_s < 2) {
alan1974 0:a91cd1b08360 134 logInfo("waiting %lu s until next free channel", delay_s);
alan1974 0:a91cd1b08360 135 wait(delay_s);
alan1974 0:a91cd1b08360 136 } else {
alan1974 0:a91cd1b08360 137 logInfo("sleeping %lu s until next free channel", delay_s);
alan1974 0:a91cd1b08360 138 dot->sleep(delay_s, mDot::RTC_ALARM, false);
alan1974 0:a91cd1b08360 139 }
alan1974 0:a91cd1b08360 140 }//while
alan1974 0:a91cd1b08360 141 return false;
alan1974 0:a91cd1b08360 142 }