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Fix up datatypes

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This commit is contained in:
Mike Walters
2016-07-29 03:49:22 +01:00
parent 1bd4c9a846
commit cf64ccc058
1 changed files with 10 additions and 9 deletions
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19
host/hackrf-tools/src/hackrf_sweep.c
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@ -162,26 +162,27 @@ int rx_callback(hackrf_transfer* transfer) {
*/ */
ssize_t bytes_to_write; ssize_t bytes_to_write;
ssize_t bytes_written; ssize_t bytes_written;
uint16_t* buf_short, frequency; int8_t* buf;
uint16_t frequency;
int i, j; int i, j;
if( fd != NULL ) if( fd != NULL )
{ {
byte_count += transfer->valid_length; byte_count += transfer->valid_length;
bytes_to_write = transfer->valid_length; bytes_to_write = transfer->valid_length;
buf_short = (uint16_t*) transfer->buffer; buf = (int8_t*) transfer->buffer;
for(j=0; j<16; j++) { for(j=0; j<16; j++) {
if(buf_short[0] == 0x7F7F) { if(buf[0] == 0x7F && buf[1] == 0x7F) {
frequency = buf_short[1]; frequency = *(uint16_t*)&buf[2];
fprintf(stderr, "Received sweep buffer(%dMHz)\n", frequency); fprintf(stderr, "Received sweep buffer(%uMHz)\n", frequency);
} }
/* copy to fftwIn as floats */ /* copy to fftwIn as floats */
buf_short = buf_short + 2; buf += 4;
for(i=0; i < fftSize; i++) { for(i=0; i < fftSize; i++) {
fftwIn[i][0] = buf_short[i] / 128.0f; fftwIn[i][0] = buf[i*2] / 128.0f;
fftwIn[i][1] = buf_short[i+1] / 128.0f; fftwIn[i][1] = buf[i*2+1] / 128.0f;
} }
buf_short = buf_short + 8190; buf = buf + 8190;
fftwf_execute(fftwPlan); fftwf_execute(fftwPlan);
for (i=0; i < fftSize; i++) { for (i=0; i < fftSize; i++) {
// Start from the middle of the FFTW array and wrap // Start from the middle of the FFTW array and wrap