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Adapt code to signed samples.

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Necessary due to change in CPLD to produce signed samples.
This commit is contained in:
Jared Boone
2015-08-15 10:03:12 -07:00
parent 90e1653613
commit 6f9e7fdab8
1 changed files with 2 additions and 2 deletions
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4
firmware/sgpio-rx/sgpio-rx.c
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@ -69,8 +69,8 @@ void rx_test() {
buffer[i & 4095] = SGPIO_REG_SS(SGPIO_SLICE_A);
/* find the magnitude squared */
sigi = (buffer[i & 4095] & 0xff) - 0x80;
sigq = ((buffer[i & 4095] >> 8) & 0xff) - 0x80;
sigi = buffer[i & 4095] & 0xff;
sigq = (buffer[i & 4095] >> 8) & 0xff;
magsq = sigi * sigq;
if ((uint16_t)magsq & 0x8000) {
magsq ^= 0xffff;