Diff: main.cpp

Revision:

0:f65ba5fb350e

Child:

1:2b61ae8e6f94

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Jun 05 14:30:13 2017 +0000
@@ -0,0 +1,194 @@
+////////////////////////////////////////
+//      Tau_ReSpeaker_DSP_Test        //
+//  Arkadiraf@gmail.com - 05/06/2017  //
+////////////////////////////////////////
+/*
+ Receive byte from pc to reroute input outputs
+ b1xxxxxxx - define input port; b10000000 - port 0,  b10000001 - port 1, b10000010 - port 2 etc , b10000011 - port 3 etc.
+ b0xxxxxxx - define output ports; b10000001 - port 1,  b10000011 - port 1&2, b10000000 - non.
+*/
+
+/*
+   Board : Nucleo STM32F446RE
+   Power Source : USB || Jumper 5V source from STM32 DSP board
+*/
+
+/*
+    Nucleo board modification:
+    to use PH_0 as IO modify boards as followed:
+    SB54 and SB55 ON
+    SB16 and SB50 (MCO) OFF
+    http://www.st.com/content/ccc/resource/technical/document/user_manual/98/2e/fa/4b/e0/82/43/b7/DM00105823.pdf/files/DM00105823.pdf/jcr:content/translations/en.DM00105823.pdf 
+*/
+
+/*
+    Pinout:
+    PC - Serial 2
+    PA_2 (Tx) --> STLINK
+    PA_3 (Rx) --> STLINK
+
+    Switch - Serial 3
+    PC_10 (Tx) --> SW_Rx
+    PC_11 (Rx) --> SW_Tx
+
+    I2C_Bus
+    PB_8 --> SCL
+    PB_9 --> SDA
+
+    Digital output :
+    PA_5  --> led (DigitalOut)
+    PA_10 --> SW_Trigger
+
+    MUX: CD74HC4067
+    PC_12 --> MUX_S0
+    PD_2  --> MUX_S1
+    PH_0  --> MUX_S2
+    PH_1  --> MUX_S3
+
+    Speaker Switch : SN74LVC1G3157
+    PB_2  --> EN_SPK_1
+    PB_1  --> EN_SPK_2
+    PB_15 --> EN_SPK_3
+    PB_14 --> EN_SPK_4
+    PB_13 --> EN_SPK_5
+
+    MIC Interrupts:
+    PC_15 --> INTER_1
+    PC_14 --> INTER_2
+    PA_15 --> INTER_3
+    PA_14 --> INTER_4
+    PA_13 --> INTER_5
+
+    Digital Input
+    PC_13 --> BTN (Blue)
+
+    Analog Input
+    PA_0 --> A_DATA_1
+    PA_1 --> A_DATA_2
+    PA_4 --> A_DATA_3
+    PB_0 --> A_DATA_4
+    PC_1 --> A_DATA_5
+
+    Analog Output
+
+
+*/
+
+///////////////
+// 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);
+
+// digital input
+DigitalIn user_button(PC_13);
+
+// digital output
+DigitalOut led(PA_5);
+DigitalOut sw_trigger(PA_10);
+
+// MUX: CD74HC4067
+DigitalOut mux_s0(PC_12);
+DigitalOut mux_s1(PD_2);
+DigitalOut mux_s2(PH_0);
+DigitalOut mux_s3(PH_1);
+
+// speaker switch
+DigitalOut en_spk_1(PB_2);
+DigitalOut en_spk_2(PB_1);
+DigitalOut en_spk_3(PB_15);
+DigitalOut en_spk_4(PB_14);
+DigitalOut en_spk_5(PB_13);
+
+// MIC interrupts
+DigitalOut inter_1(PC_15);
+DigitalOut inter_2(PC_14);
+DigitalOut inter_3(PA_15);
+DigitalOut inter_4(PA_14);
+DigitalOut inter_5(PA_13);
+
+// analog input
+AnalogIn a_data_1(PA_0);
+AnalogIn a_data_2(PA_1);
+AnalogIn a_data_3(PA_4);
+AnalogIn a_data_4(PB_0);
+AnalogIn a_data_5(PC_1);
+
+///////////////
+// variables //
+///////////////
+
+uint8_t in_byte=0;
+
+///////////////
+// Functions //
+///////////////
+
+////////////////////////
+//  Main Code Setup : //
+////////////////////////
+int main()
+{
+    pc.baud(57600);
+#ifdef DEBUG_MOD1
+    pc.printf("ReSpeaker Test \r\n");
+#endif
+    ///////////////////////
+    //  Main Code Loop : //
+    ///////////////////////
+    while(1) {
+        // check button state
+        if (user_button) {
+            if (pc.readable()) {
+                in_byte=pc.getc();
+#ifdef DEBUG_MOD1
+                pc.putc(in_byte);
+#endif
+                // check if command of input or output
+                if ((bool)(in_byte & 0b10000000)) { // set input
+                    mux_s0.write((bool)(in_byte & 0b00000001));
+                    mux_s1.write((bool)(in_byte & 0b00000010));
+                    mux_s2.write((bool)(in_byte & 0b00000100));
+                    mux_s3.write((bool)(in_byte & 0b00001000));
+                } else { // set output
+                    en_spk_1.write((bool)(in_byte & 0b00000001));
+                    en_spk_2.write((bool)(in_byte & 0b00000010));
+                    en_spk_3.write((bool)(in_byte & 0b00000100));
+                    en_spk_4.write((bool)(in_byte & 0b00001000));
+                    en_spk_5.write((bool)(in_byte & 0b00010000));
+                }
+            }
+        } else {
+            // set default input / output
+            en_spk_1.write(1);
+            en_spk_2.write(1);
+            en_spk_3.write(1);
+            en_spk_4.write(1);
+            en_spk_5.write(1);
+
+            // mux input
+            mux_s0.write(0);
+            mux_s1.write(0);
+            mux_s2.write(0);
+            mux_s3.write(0);
+
+        }
+    }// end main loop
+}// end main
+
+///////////////
+// Functions //
+///////////////