Yossi_Students / Mbed 2 deprecated TAU_MIC_PGA_Test

Playback system PGA test code

Dependencies:   BufferedSerial mbed

Files at this revision

API Documentation at this revision

Revision 0:2542aa3b6c07, committed 2017-10-31

Comitter:
Arkadi
Date:
Tue Oct 31 07:50:41 2017 +0000
Child:
1:ae4cce570326
Commit message:
Playback system PGA test code

Changed in this revision

BufferedSerial.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BufferedSerial.lib	Tue Oct 31 07:50:41 2017 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/sam_grove/code/BufferedSerial/#a0d37088b405

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Oct 31 07:50:41 2017 +0000
@@ -0,0 +1,136 @@
+////////////////////////////////////////
+//      Tau_ReSpeaker_PGA_Test        //
+//  Arkadiraf@gmail.com - 31/10/2017  //
+////////////////////////////////////////
+/*
+ Receive byte from pc for settings
+ byyyyxxxx - y- Set PGA gain , x- select channle
+ Realterm mode Binary, send message 0xYX (Hex format)
+*/
+
+/*
+   Board : Nucleo STM32F303k8
+*/
+
+/*
+    Pinout:
+    PC - Serial 2
+    PA_2 (Tx)  --> STLINK
+    PA_15 (Rx) --> STLINK
+
+    SPI PGA112:
+    PB_5  --> MOSI (DIO)
+    PB_4  --> MISO (DIO N.C.)
+    PB_3  --> SCLK
+    PA_11 --> SSEL (PGA_CS)
+*/
+
+///////////////
+// Libraries //
+///////////////
+#include "mbed.h"
+#include "BufferedSerial.h"  // solves issues of loosing data. alternative doing it yourself
+
+///////////////
+// #defines  //
+///////////////
+
+#define DEBUG_MOD1
+
+/////////////
+// Objects //
+/////////////
+
+// uart
+BufferedSerial pc(USBTX, USBRX);
+
+// SPI with PGA112
+SPI spi(PB_5, PB_4, PB_3); // mosi, miso, sclk , SSEL
+
+DigitalOut PGA_CS(PA_11); // chip select manual
+
+///////////////
+// variables //
+///////////////
+
+uint8_t in_byte=0;
+
+///////////////
+// Functions //
+///////////////
+
+////////////////////////
+//  Main Code Setup : //
+////////////////////////
+int main()
+{
+    pc.baud(57600);
+#ifdef DEBUG_MOD1
+    pc.printf("MIC Test\r\n");
+#endif
+
+// Initialize PGA112
+    // Disable PGA112
+    PGA_CS=1;
+    wait(0.1); // module startup
+    // Init SPI format
+    spi.format(16,0);
+    spi.frequency(8000000);
+
+    // Enable PGA112
+    PGA_CS=0;
+    // write Register
+    spi.write(0x0000);
+    // Disable PGA112
+    PGA_CS=1;
+
+
+
+
+    ///////////////////////
+    //  Main Code Loop : //
+    ///////////////////////
+    while(1) {
+        if (pc.readable()) {
+            in_byte=pc.getc();
+#ifdef DEBUG_MOD1
+            pc.putc(in_byte);
+#endif
+            uint8_t writeMSB = 0x2A;
+            uint8_t writeLSB = in_byte;
+            //uint16_t writeU16 = ((writeMSB<<8) | (writeLSB&0x00FF));
+            uint16_t writeU16 = ((writeMSB<<8) | (writeLSB));
+            PGA_CS=0;
+            // write Register
+            spi.write(writeU16);
+            // Disable PGA112
+            PGA_CS=1;
+
+        }// end serial
+
+//    // Enable PGA112
+//    PGA_CS=0;
+//    // write Register
+//    spi.write(0x2A00);
+//    // Disable PGA112
+//    PGA_CS=1;
+//
+//    // delay
+//    wait(1.0);
+//
+//    // Enable PGA112
+//    PGA_CS=0;
+//    // write Register
+//    spi.write(0x2A30);
+//    // Disable PGA112
+//    PGA_CS=1;
+//
+//    // delay
+//    wait(1.0);
+
+    }// end main loop
+}// end main
+
+///////////////
+// Functions //
+///////////////

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue Oct 31 07:50:41 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/fb8e0ae1cceb
\ No newline at end of file