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TX_Demo.cpp
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TX_Demo.cpp
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#include "cc1100_raspi.h"
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <wiringPi.h>
#include <wiringPiSPI.h>
#define PACKAGE "CC1100 SW"
#define VERSION_SW "0.9.6"
#define INTERVAL_1S_TIMER 1000
//--------------------------[Global CC1100 variables]--------------------------
uint8_t Tx_fifo[FIFOBUFFER], Rx_fifo[FIFOBUFFER];
uint8_t My_addr, Tx_addr, Rx_addr, Pktlen, pktlen, Lqi, Rssi;
uint8_t rx_addr,sender,lqi;
int8_t rssi_dbm;
int cc1100_freq_select, cc1100_mode_select, cc1100_channel_select;
uint32_t prev_millis_1s_timer = 0;
uint8_t cc1100_debug = 0; //set CC1100 lib in no-debug output mode
uint8_t tx_retries = 1;
uint8_t rx_demo_addr = 3;
int interval = 1000;
CC1100 cc1100;
//-------------------------- [End] --------------------------
void print_help(int exval) {
printf("%s,%s by CW\r\n", PACKAGE, VERSION_SW);
printf("%s [-h] [-V] [-a My_Addr] [-r RxDemo_Addr] [-i Msg_Interval] [-t tx_retries] [-c channel] [-f frequency]\r\n", PACKAGE);
printf(" [-m modulation]\n\r\n\r");
printf(" -h print this help and exit\r\n");
printf(" -V print version and exit\r\n\r\n");
printf(" -v set verbose flag\r\n");
printf(" -a my address [1-255] set my address\r\n\r\n");
printf(" -r rx address [1-255] set RxDemo receiver address\r\n\r\n");
printf(" -i interval ms[1-6000] sets message interval timing\r\n\r\n");
printf(" -t tx_retries [0-255] sets message send retries\r\n\r\n");
printf(" -c channel [1-255] set transmit channel\r\n");
printf(" -f frequency [315,434,868,915] set ISM band\r\n\r\n");
printf(" -m modulation [1,38,100,250,500,4] set modulation\r\n\r\n");
exit(exval);
}
//|============================ Main ============================|
int main(int argc, char *argv[]) {
//------------- command line option parser -------------------
int opt;
// no arguments given
if(argc == 1) {
fprintf(stderr, "This program needs arguments....\n\r\n\r");
print_help(1);
}
while((opt = getopt(argc, argv, "hVva:r:i:t:c:f:m:")) != -1) {
switch(opt) {
case 'h':
print_help(0);
break;
case 'V':
printf("%s %s\n\n", PACKAGE, VERSION_SW);
exit(0);
break;
case 'v':
printf("%s: Verbose option is set `%c'\n", PACKAGE, optopt);
cc1100_debug = 1;
break;
case 'a':
My_addr = atoi (optarg);
break;
case 'r':
rx_demo_addr = atoi (optarg);
break;
case 'i':
interval = atoi (optarg);
break;
case 't':
tx_retries = atoi (optarg);
break;
case 'c':
cc1100_channel_select = atoi (optarg);
break;
case 'f':
cc1100_freq_select = atoi (optarg);
switch(cc1100_freq_select){
case 315:
cc1100_freq_select = 1;
break;
case 434:
cc1100_freq_select = 2;
break;
case 868:
cc1100_freq_select = 3;
break;
case 915:
cc1100_freq_select = 4;
break;
}
break;
case 'm':
cc1100_mode_select = atoi (optarg);
switch(cc1100_mode_select){
case 1:
cc1100_mode_select = 1;
break;
case 38:
cc1100_mode_select = 2;
break;
case 100:
cc1100_mode_select = 3;
break;
case 250:
cc1100_mode_select = 4;
break;
case 500:
cc1100_mode_select = 5;
break;
case 4:
cc1100_mode_select = 6;
break;
}
break;
case ':':
fprintf(stderr, "%s: Error - Option `%c' needs a value\n\n", PACKAGE, optopt);
print_help(1);
break;
case '?':
fprintf(stderr, "%s: Error - No such option: `%c'\n\n", PACKAGE, optopt);
print_help(1);
}
}
// print all remaining options
for(; optind < argc; optind++)
printf("argument: %s\n", argv[optind]);
//------------- welcome message ------------------------
printf("Raspberry CC1101 SPI Library test\n");
//------------- hardware setup ------------------------
wiringPiSetup(); //setup wiringPi library
cc1100.begin(My_addr); //setup cc1000 RF IC
cc1100.sidle();
//cc1100.set_mode(0x04); //set modulation mode 1 = GFSK_1_2_kb; 2 = GFSK_38_4_kb; 3 = GFSK_100_kb; 4 = MSK_250_kb; 5 = MSK_500_kb; 6 = OOK_4_8_kb
//cc1100.set_ISM(0x03); //set ISM Band 1=315MHz; 2=433MHz; 3=868MHz; 4=915MHz
//cc1100.set_channel(0x01); //set channel
cc1100.set_output_power_level(0); //set PA level
//cc1100.set_myaddr(0x05);
cc1100.receive();
cc1100.show_main_settings(); //shows setting debug messages to UART
cc1100.show_register_settings();
//------------------------- Main Loop ------------------------
for (;;)
{
delay(1); //delay to reduce system load
if (millis() - prev_millis_1s_timer >= interval) // one second update timer
{
Rx_addr = rx_demo_addr; //receiver address
uint32_t time_stamp = millis(); //generate time stamp
Tx_fifo[3] = (uint8_t)(time_stamp >> 24); //split 32-Bit timestamp to 4 byte array
Tx_fifo[4] = (uint8_t)(time_stamp >> 16);
Tx_fifo[5] = (uint8_t)(time_stamp >> 8);
Tx_fifo[6] = (uint8_t)(time_stamp);
Pktlen = 0x07; //set packet len to 0x13
uint8_t res = cc1100.sent_packet(My_addr, Rx_addr, Tx_fifo, Pktlen, tx_retries);
if( res == 1) //sents package over air. ACK is received via GPIO polling
{
printf("transmitted tx_timestamp: %ums \r\n\r\n", time_stamp);
}
prev_millis_1s_timer = millis();
}
}
printf("finished!\n");
return 0;
}
//-------------------- END OF MAIN --------------------------------