jayfunk

So I am very new to working in this space, with my background in software. What kind of logic analyzer would you recommend for a newbie like myself?

Hello, I have been working on trying to integrate the PMOD I2S2 into my MKR Zero, using the I2S interface. I was hoping you might help me to troubleshoot what I have done wrong. The overall goal is to be able to read in an audio signal to my Arduino and trigger certain events based the audio input. I am very new to working with Arduino and have gotten some basic projects done with some LED lights. I thought that the PMOD I2S2 module would be able to work with my Arduino since it has ports for the I2S protocol. Here is how I wired the PMOD I2S2 into the Arduino MKR Zero: ADIN MCLK -> Purple -> D12 I2S_MCK[0] ADIN LRCK -> Grey -> D3 I2S_FS[0] ADIN SCLK -> Black -> D2 I2S_SCK[0] ADIN SDOUT -> Brown -> A6 I2S_SD0 GND -> Blue -> GND VCC -> Red -> VCC Attached is the MKR Zero Pin Out and photos of how I currently have the PMOD I2S2 wired into the Arduino. I have the PMOD Slave/Master jumper set to slave. After having gone through the wiring I pulled in the Arduino built in I2S library. From there I implemented the most basic reading example they have on the I2S repo. I am not getting any data input. I have the PMOD Line In connected by an AUX cable connected to my laptop. I am then playing some audio on the laptop. Once the Arduino boots up I do not end up getting any data from the `I2S.read()` call. I am not sure what I might be doing wrong or if it is even possible to interface the PMOD I2S2 and an Arduino. Maybe I have something misconfigured in my code or I have connected the wrong PMOD pins to the I2S inputs on the Arduino? Any help would be greatly appreciated. #include <PatternPlayback.h> #include <I2S.h> void setup() { delay(3000); // power-up safety delay // Open serial communications and wait for port to open: // A baud rate of 115200 is used instead of 9600 for a faster data rate // on non-native USB ports Serial.begin(115200); while (!Serial) { ; // wait for serial port to connect. Needed for native USB port only } // start I2S at 24 kHz with 32-bits per sample if (!I2S.begin(I2S_PHILIPS_MODE, 8000, 32)) { Serial.println("I2S - Failed to initialize"); while (1); // do nothing } Serial.println("I2S - Successfully initialized"); } void loop() { int sample = I2S.read(); if (sample) { Serial.println("I2S Transmission Received"); Serial.println(sample); } }