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#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdint.h>
// data via $1, output to STDOUT
// begin = 255 followed by 12 bytes 2*(4*i + 1*u) + PowerH:PowerL
int main (int argc, char* argv[])
{
u_int8_t tmp = 0;
u_int8_t buffer[12];
u_int32_t power[2];
int infile_fd = -1;
if (argc > 1) {
infile_fd = open(argv[1], O_RDONLY);
if(infile_fd < 0) {
perror("open error");
return 1;
}
} else {
infile_fd = STDIN_FILENO;
}
while (read(infile_fd, &tmp, 1) == 1) {
if (tmp == 255) {
int ret = read(infile_fd, &buffer, sizeof(buffer));
if(ret < 0) {
perror("read error");
return 2;
} else if(!ret) {
return 0;
} else if(ret != sizeof(buffer)) {
continue;
}
power[0] = (buffer[10]<<8) + buffer[11];
printf("%5d (", power[0]);
int i;
for(i=0; i<10; i++)
printf("%3d ", buffer[i]);
power[1] = (((u_int16_t)buffer[0] + (u_int16_t)buffer[1] + (u_int16_t)buffer[2] + (u_int16_t)buffer[3]) * (u_int32_t)buffer[4]) +
(((u_int16_t)buffer[5] + (u_int16_t)buffer[6] + (u_int16_t)buffer[7] + (u_int16_t)buffer[8]) * (u_int32_t)buffer[9]);
int tmp = 0;
if(power[1]%128 >= 64) tmp=1;
power[1] /= 128;
power[1] += tmp;
printf(") -> %s (%5d) \n", power[1] == power[0] ? "ok" : "xx", power[1]);
}
}
printf("\n");
return 0;
}
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