void setLED(int onoff){
int bit;
unsigned int bitmask;
unsigned int writevalue;
int temp, read;
int mask;
int LED;
if(onoff > 2) LED = LEDSTATUS;
else LED = LEDACTIVE;
if(onoff == 3) onoff = 0;
else if(onoff == 4) onoff = 1;
if(LED == LEDACTIVE) bit = 2;
else bit = 1;
read = peek16(GPIODDIRECTION);
// Create a mask with all 1, except the desired bit = 0;
mask = 1;
mask = mask << bit;
mask = ~mask;
// Force desired bit to 0; leave the rest unchanged.
writevalue = read & mask;
// Set the desired bit = 1
temp = 1;
temp = temp << bit;
writevalue = temp | writevalue;
poke16(GPIODDIRECTION, writevalue);
//Direction is set, now write the data.
read = peek16(GPIODDATA);
// Create a mask with all 1, except the desired bit = 0;
mask = 1;
mask = mask << bit;
mask = ~mask;
// Force desired bit to 0; leave the rest unchanged.
writevalue = read & mask;
// Set the desired bit = onoff
temp = onoff;
temp = temp << bit;
writevalue = temp | writevalue;
poke16(GPIODDATA, writevalue);
}
//Added 2-10-2012 5:12pm
float get_adc()
{
int devmem,volcode,voldig,volten,volhund;
devmem = open("/dev/mem", O_RDWR|O_SYNC);
assert(devmem != -1);
sysconregs = mmap(0, 4096, PROT_READ | PROT_WRITE, MAP_SHARED,
devmem, 0x30000000);
poke16(0x80, 0x08); // configure ADC
poke16(0x82, 0x10); // enable all 6 channels
usleep(500000); // allow time for conversions
volcode = (signed short)peek16(0x8e);
volcode = (volcode * 1006)/200;//Because for the ts-8160 board, there is a circuit that provide input voltage input= realvoltage*(R2/(R1+R2)).
//In this case, R1=200,R2=806.
volcode = 2.1*(volcode * 2048)/0x8000;
voldig = volcode/1000;
volten = volcode/100-voldig*10;
volhund = volcode/10-(volcode/100)*10;
char s[5]="";
sprintf(s,"%d.%d%d",voldig,volten,volhund);
float m =atof(s);
poke16(0x82, 0x00); // disable all 6 channels
return m;
}
int main(int, char *[]){
srandom(time(NULL)); //seed random()
if ((fp = ::open("/dev/usrp_e0", O_RDWR)) < 0){
std::cerr << "Open failed" << std::endl;
return -1;
}
size_t num_pass = 0, num_fail = 0;
for (size_t i = 0; i < num_test_iters; i++){
if(i%1000000 == 0) {
std::cout << "num pass: "******"\tnum fail: " << num_fail << std::endl;
}
//make random values
int random_test32 = ::random();
int random_test16 = ::random() & 0xffff;
int random_secs = ::random();
//set a bunch of registers
poke16(UE_REG_MISC_TEST, random_test16);
poke32(UE_REG_SR_MISC_TEST32, random_test32);
poke32(UE_REG_TIME64_TICKS, 0);
poke32(UE_REG_TIME64_IMM, 1); //immediate
poke32(UE_REG_TIME64_SECS, random_secs);
//read a bunch of registers
if (
(peek16(UE_REG_MISC_TEST) == random_test16) and
(peek32(UE_REG_RB_MISC_TEST32) == random_test32) and
(peek32(UE_REG_RB_TIME_NOW_SECS) == random_secs) and
// (peek32(UE_REG_RB_TIME_NOW_TICKS) < 1000000) and
true) num_pass++;
else num_fail++;
}
std::cout << "num pass: "******"num fail: " << num_fail << std::endl;
::close(fp);
return 0;
}
