Program test for Coragem
Dependencies: SX1272 SPI_MX25R
Diff: lora.txt
- Revision:
- 4:05d5aa4d3f2d
diff -r cbe3f441353e -r 05d5aa4d3f2d lora.txt --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lora.txt Wed Nov 13 16:42:06 2019 +0000 @@ -0,0 +1,246 @@ +#include "SX1272.h" + +InterruptIn dio0(P0_12); + +//#define BAND868 +#define MAX_DBM 14 +#define DATA 0 +#define PING 1 +#define PONG 2 + + +#define ADDRESS 10 + +const uint32_t DEFAULT_CHANNEL=CH_12_900;//915Mhz CH_12_900 =>0xE4C000; + +/////////////////////////////////////////////////////////////////// +// CHANGE HERE THE LORA MODE, NODE ADDRESS +#define LORAMODE 1 +#define node_addr 6 +////////////////////////////////////////////////////////////////// + +/////////////////////////////////////////////////////////////////// +// CHANGE HERE THE THINGSPEAK FIELD BETWEEN 1 AND 4 +#define field_index 1 +/////////////////////////////////////////////////////////////////// +#define DEFAULT_DEST_ADDR 6 + + +/////////////////////////////////////// +// Globals variables +/////////////////////////////////////// + +//___________SX1272____________________ +int e; + +//___________mensagem_____________________ +uint8_t message[255]; +uint8_t buffer[255]; +uint8_t message_pong[]="Pong"; +uint8_t message_ping[]="Ping"; +uint8_t r_size; +uint8_t lora_mode_ant; +char float_temp[10]; +char float_press[10]; +char float_hum[10]; +int cont =0; +int loraMode=LORAMODE; + + +//////////////////////////////////////// +// SETUP SX1272 initialisation +//////////////////////////////////////// +void lora_setup() +{ + + + //printf("------Coragem LoRa temperature sensor-------------\n"); + //sx1272.ON(); // Power ON the module + + int error_config_sx1272=0; + + // Set transmission mode and print the result + e = sx1272.setMode(loraMode); + //printf("Mode: %d\n",loraMode); + if (e) error_config_sx1272=1; + //printf("Setting Mode: state %d\n",e); + + // enable carrier sense + sx1272._enableCarrierSense=true; + + // for LOW POWER + sx1272._RSSIonSend=false; + + + // Select frequency channel + e = sx1272.setChannel(DEFAULT_CHANNEL); + if (e) error_config_sx1272=1; + //printf("Setting Channel: state %d\n",e); + + // Select amplifier line; PABOOST or RFO +// #ifdef PABOOST +// printf("pabboost\n"); +// sx1272._needPABOOST=true; +// // previous way for setting output power +// // powerLevel='x'; +// #else +// // previous way for setting output power +// // powerLevel='M'; +// #endif + + // previous way for setting output power + // e = sx1272.setPower(powerLevel); + + e = sx1272.setPowerDBM((uint8_t)MAX_DBM); + if (e) error_config_sx1272=1; + printf("Setting Power: state %d\n",e); + + // Set the node address and print the result + e = sx1272.setNodeAddress(node_addr); + if (e) error_config_sx1272=1; + printf("Setting node addr: state %d\n",e); + + // Print a success message + if (!error_config_sx1272) printf("SX1272 successfully configured\n"); + else printf("ERROR CONFIGURATION SX1272\n"); + + wait_ms(400); +} +void lora_send_packet (uint8_t *payload, uint8_t length8) // envia pacote +{ + + //write on FIFO + sx1272.writeRegister(REG_IRQ_FLAGS,255);//clear flags + sx1272.writeRegister(REG_OP_MODE, LORA_STANDBY_MODE); // Stdby LoRa mode to write in FIFO + sx1272.writeRegister(REG_PAYLOAD_LENGTH_LORA, length8); + sx1272.writeRegister(REG_FIFO_TX_BASE_ADDR,0x00); + sx1272.writeRegister(REG_FIFO_ADDR_PTR,0x00); + + for(unsigned int i = 0; i <= length8; i++) { + sx1272.writeRegister(REG_FIFO, payload[i]); // Writing the payload in FIFO + } + + //________________Send Data__________________ + sx1272.writeRegister(REG_IRQ_FLAGS,255);//clear flags + sx1272.writeRegister(REG_OP_MODE, LORA_TX_MODE); // LORA mode - Tx + + unsigned long exitTime = millis()+1400;//2 segundos para sair do for + unsigned long Time= millis(); + char value = sx1272.readRegister(REG_IRQ_FLAGS); + + while ((bitRead(value, 3) == 0) && (Time < exitTime)) { + value=sx1272.readRegister(REG_IRQ_FLAGS); + Time= millis(); + wait_ms(50); + } + + wait_ms(50); + +} + +void lora_send_data(int mode) //data predefined +{ + led1=1; + sx1272.writeRegister(REG_OP_MODE,129);//standby + + + + if (mode == DATA ) { + #ifdef BME280 + sprintf(float_temp,"%2.2f",getTemperature()); + sprintf(float_press,"%04.2f",getPressure()); + sprintf(float_hum,"%2.2f",getHumidity()); + + //============= internet of turtles ============= + sprintf(float_breathing_time,"%04.2f", last_breathing_time); + sprintf(float_diving_time,"%04.2f", last_diving_time); + r_size=sprintf((char*)message,"\\!#Dt%04.2f_Bt%04.2f_%s°C_%shPa_%s%%",last_diving_time,last_breathing_time,float_temp,float_press,float_hum); + // ============================================== + + //size=sprintf((char*)message,"\\!#%s°C_%shPa_%s%%",float_temp,float_press,float_hum); + + lora_send_packet(message,r_size); +// sx1272.sendPacketTimeout(DEFAULT_DEST_ADDR,/* (uint8_t*)*/message, r_size); + printf("packet send :\n%s\nrsize=%d\n",message,r_size); + #endif + + } else if (mode == PING ) { + + + //sx1272.sendPacketTimeout(DEFAULT_DEST_ADDR, message_ping, sizeof(message_ping)); + lora_send_packet(message_ping,sizeof(message_ping)); + printf("packet send :\n%s\n",message_ping); + + + } else if (mode == PONG ) { + + //sx1272.sendPacketTimeout(DEFAULT_DEST_ADDR, message_pong, sizeof(message_pong)); + lora_send_packet(message_pong,sizeof(message_pong)); + printf("packet send :\n%s\n",message_pong); + } + + wait_ms(300); + + sx1272.writeRegister(REG_IRQ_FLAGS,255);//clear flags + sx1272.writeRegister(REG_OP_MODE,133); //leitura continua + cont++; + printf("number=%d\n",cont); + + led1=0; +} + + +void lora_print_packet() +{ + + led2=1; + sx1272.writeRegister(REG_OP_MODE,129);//standby + + uint8_t pac_size; + + sx1272.writeRegister(REG_FIFO_ADDR_PTR,sx1272.readRegister(REG_FIFO_RX_CURRENT_ADDR));//set fifo pointer to read packet + pac_size = sx1272.readRegister(REG_RX_NB_BYTES);//read size of packet + for(int i =0 ; i<pac_size ; i++) { //print packet + buffer[i]=sx1272.readRegister(REG_FIFO); + if (buffer[i]== '\n') printf(" \\n"); + if (buffer[i]== 0x0B) printf("tab"); + printf("%c",buffer[i]);//print packet + } + printf("\n"); + + + for(int i =0 ; i<pac_size ; i++) { + if ((buffer[i] =='P') && (buffer[i+1] =='i') && (buffer[i+2] =='n') && (buffer[i+3] =='g') ) { //look for Ping in packet + sx1272.writeRegister(0x12,255);//clear flags + lora_send_data(PONG); + i=pac_size; + } + if ((buffer[i] =='R') && (buffer[i+1] =='e') && (buffer[i+2] =='s') && (buffer[i+3] =='e') && (buffer[i+4] =='t') ) {// look reset + uint32_t *ptr; + ptr = (uint32_t *)1073743132;// endereço gpregret 0x4000051C + *ptr = 0xB1;//BOOTLOADER_DFU_START + NVIC_SystemReset(); + } + + } + + + wait_ms(30); + sx1272.writeRegister(REG_IRQ_FLAGS,255);//clear flags + sx1272.writeRegister(REG_OP_MODE,133); //leitura continua + led2=0; + +} +void lora_sleep(){ + lora_mode_ant = sx1272.readRegister(REG_OP_MODE); + sx1272.writeRegister(REG_OP_MODE,LORA_SLEEP_MODE); //leitura continua + + } + +int lora_wake(){ + if (lora_mode_ant!= 0){ + sx1272.writeRegister(REG_OP_MODE,lora_mode_ant); //leitura continua + return 0; + } + else return -1; +} \ No newline at end of file