correct clock configuration to use a 256x clock rate where possible

main/transmit_i2s.c

@@ -48,16 +48,14 @@
 
 /* Bit sequence to send to the clock generator */
 
-#if SAMPLE_RATE == 8000
+#if SAMPLE_RATE == 8000 || SAMPLE_RATE == 16000
 static uint16_t pll_seq = 21518;
-#elif SAMPLE_RATE == 16000
-static uint16_t pll_seq = 17422;
 #elif SAMPLE_RATE == 32000
-static uint16_t pll_seq = 25614;
+static uint16_t pll_seq = 17422;
 #elif SAMPLE_RATE == 44100
-static uint16_t pll_seq = 41998;
+static uint16_t pll_seq = 33806;
 #elif SAMPLE_RATE == 48000
-static uint16_t pll_seq = 9230;
+static uint16_t pll_seq = 1038;
 #endif
 
 /* Event group for Wifi events */
@@ -296,7 +294,11 @@ void app_main(void) {
 	// Initialize GPIO pins
 	ESP_ERROR_CHECK(setup_gpio());
 	// Set PCM1808 configuration
-	pcm1808_config(0, 1);
+	if (SAMPLE_RATE == 8000) {
+		pcm1808_config(0, 1);
+	} else {
+		pcm1808_config(1, 1);
+	}
 	gpio_set(CSEL, 0);
 	// Power down PLL1708
 	send_pll_bits(40974);