mordae/pico-sdr
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Print RSSI from AGC in interactive RX mode

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This commit is contained in:
Jan Hamal Dvořák 2024-02-27 20:33:07 +01:00
parent f4f30ddb49
commit 5b6e46cef3
Signed by: mordae
GPG key ID: 1782BCC23EE007B9
1 changed files with 4 additions and 2 deletions
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src/main.c
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@ -83,6 +83,7 @@ static int dma_ch_tx_cos = -1;
static queue_t iq_queue; static queue_t iq_queue;
static int gap = 0; static int gap = 0;
static int agc = 0;
#define PSU_PIN 23 #define PSU_PIN 23
@ -574,7 +575,6 @@ static void rf_rx(void)
int lpQa3 = 0; int lpQa3 = 0;
int64_t dcI = 0, dcQ = 0; int64_t dcI = 0, dcQ = 0;
int agc = 0;
while (true) { while (true) {
if (multicore_fifo_rvalid()) { if (multicore_fifo_rvalid()) {
@ -798,10 +798,12 @@ static void do_rx(int rx_pin, int bias_pin, float freq, char mode)
fwrite(block, sizeof block, 1, stdout); fwrite(block, sizeof block, 1, stdout);
fflush(stdout); fflush(stdout);
} else { } else {
float rssi = 10.0f * log10f(powf((float)agc / (float)INT_MAX, 2));
for (int i = 0; i < IQ_BLOCK_LEN / 2; i += 8) { for (int i = 0; i < IQ_BLOCK_LEN / 2; i += 8) {
int I = block[i * 2]; int I = block[i * 2];
int Q = block[i * 2 + 1]; int Q = block[i * 2 + 1];
printf("%2i %12i %12i ", gap, I, Q); printf("%+4i %+4.0f %12i %12i ", gap, rssi, I, Q);
plot_IQ(I, Q); plot_IQ(I, Q);
putchar('\n'); putchar('\n');
} }