Diff: main.cpp

Revision:

14:c852e468923e

Parent:

11:2fcbac0f72dd

Child:

15:f9f642239cb6

--- a/main.cpp	Mon Apr 24 17:47:00 2017 +0000
+++ b/main.cpp	Mon Jun 05 16:25:29 2017 +0000
@@ -1,115 +1,161 @@
 /** original: p07gbar/code/TLV320_Write_test/
  * modify by k4zuki
- * to control Dialog DA7212 codec
+ * to control Dialog DA7212 codec from FRDM-K64F/K66F
+ * - FRDM
+ *      - https://developer.mbed.org/platforms/FRDM-K64F/
+ *          - I2S
+ *              - I2S_TXD: PTC1
+ *              - I2S_TX_FS: PTB19
+ *              - I2S_TX_BCLK: PTB18
+ *          - FXOS8700CQ - Accelerometer and Magnetometer
+ *              - SCL:SCL
+ *              - SDA:SDA
+ *                  - 8-bit Address: 0x3A
+ *      - https://developer.mbed.org/platforms/FRDM-K66F/
+ *          - I2S
+ *              - I2S_TXD: PTC1
+ *              - I2S_TX_FS: PTE11
+ *              - I2S_TX_BCLK: PTE12
+ *          - FXOS8700CQ - Accelerometer and Magnetometer
+ *              - SCL:SCL
+ *              - SDA:SDA
+ *                  - 8-bit Address: 0x3A
+ *          - FXAS21002 - Gyroscope
+ *              - SCL:SCL
+ *              - SDA:SDA
+ *                  - 8-bit Address: 0x42
+ *          - 2 user push-buttons
+ *          - RGB LED
+ * - DA7212 (on-board(K66F) or off-board(K64F+ARD-AUDIO-7212))
+ *      - https://developer.mbed.org/components/ARD-AUDIO-DA7212/
+ *      - SCL:SCL
+ *      - SDA:SDA
+ *          - 8-bit address: 0x34
+ * - Application Shield
+ *      - https://developer.mbed.org/components/mbed-Application-Shield/
+ *      - 3 Axis +/1 1.5g Accelerometer,I2C Interface  Freescale MMA7660
+ *          - SCL: SCL
+ *          - SDA: SDA
+ *              - 8-bit Address: 0x98
+ *      - Temperature sensor  LM75B
+ *          - SCL: SCL
+ *          - SDA: SDA
+ *              - 8-bit Address: 0x90
+ *      - 2 x Potentiometers  Iskra PNZ10ZA, 10k
+ *          - Pot 1 (left) : A0
+ *          - Pot 2 (right): A1
+ *      - 5 way Joystick  ALPS SKRHADE010
+ *          - Up: A2
+ *          - Down: A3
+ *          - Left: A4
+ *          - Right: A5
+ *          - Centre: D4
+ *      - 128x32 Graphics LCD, SPI Interface  Newhaven C12332A1Z
+ *          - A0: D7
+ *          - nCS: D10
+ *          - MOSI: D11
+ *          - nRESET: D12
+ *          - SCK: D13
+ *      - RGB LED, PWM connected  Cree Inc CLV1A-FKB
+ *          - Red: D5
+ *          - Blue: D8
+ *          - Green: D9
+ *      - Speaker, PWM Connected  MULTICOMP  MCSMT-8030B-3717
+ *          - D6
+ *      - Xbee socket
+ *          - Tx: D0
+ *          - Rx: D1
+ *          - Status: D2
+ *          - nReset: D3
  */
+
 #include "mbed.h"
+
+AnalogIn pot1 (A0);
+AnalogIn pot2 (A1);
+
+InterruptIn left(PTA4);
+InterruptIn right(PTC6);
+
+#include "FXOS8700.h"
+FXOS8700 acc(I2C_SDA, I2C_SCL, 0x3A);
+FXOS8700 mag(I2C_SDA, I2C_SCL, 0x3A);
+
+#include "C12832.h"
+C12832 lcd(D11, D13, D12, D7, D10);
+
+
+#include "DA7212.h"
+#include "FrdmI2s.h"
+#define SAMPLERATE 32000
 #include "sinelookup.h"
-// #include "TLV320.h"
-// #include "DA7212.h"
-#include "I2S.h"
-// #include "C12832.h"
-
-// C12832 lcd(PTD2, PTD1, PTD3, PTC3, PTD0);
-// AnalogIn pot1 (PTB2);
-// AnalogIn pot2 (PTB3);
-
-#define SAMPLERATE 32000
-
 //DA7212 codec(I2C_SDA, I2C_SCL);
 //TLV320 codec(I2C_SDA, I2C_SCL);
-I2S i2s(I2S_TRANSMIT, PTC1, PTB19, PTB18);
+FrdmI2s i2s(I2S_TRANSMIT, PTC1, PTE11, PTE12);
 
-//AnalogIn aIn(p19);
-//AnalogIn vol(p20);
-//
-//float phase_l;
-//float phase_r;
-//int minibuf[16];
-//float skipper;
-//float volume;
+uint16_t phase_l;
+uint16_t phase_r;
+int minibuf[16];
+unsigned short skipper;
+unsigned short volume;
+
 //float phase_kill;
-//
-//
 //extern "C" void HardFault_Handler()
 //{
 //    error("Hard Fault!\n");
 //}
-//
-//
-//void play(void)
-//{
-//    int to_write = i2s.max_fifo_points() - (i2s.fifo_points());
-//    for(int i = 0; i < to_write; i+=2) {
-//        minibuf[i] = int(float(sine16lookup[int(phase_l)])*volume);
-//        //minibuf[i] = int(sine16lookup[int(phase_l)]);
-//        minibuf[i+1] = int(float(sine16lookup[int(phase_r)])*volume);
-//        phase_l+=skipper;
-//        phase_r = phase_l + phase_kill;
-//        while(phase_l >= SINE16LENGTH) {
-//            phase_l -= SINE16LENGTH;
-//        }
-//
-//        while(phase_r >= SINE16LENGTH) {
-//            phase_r -= SINE16LENGTH;
-//        }
-//        while(phase_r< 0) phase_r += SINE16LENGTH;
-//    }
-//    i2s.write(minibuf, to_write);
-//}
+
+void play(void)
+{
+    int to_write = i2s.max_fifo_points() - (i2s.fifo_points());
+    for(int i = 0; i < to_write; i+=2) {
+        minibuf[i] = (int)sine16lookup[(SINE16LENGTH - 1) &( phase_l+skipper)];
+        minibuf[i+1] = (int)sine16lookup[(SINE16LENGTH - 1) & (phase_r+skipper)];
+    }
+    i2s.write(minibuf, to_write);
+}
+
 Serial pc(USBTX,USBRX);
+
 /* main */
 int main()
 {
     pc.baud(115200);
-    pc.printf("printf\n\r");
-    // skipper = (aIn*49)+1;
+    skipper = pot1.read_u16() >> 8;
+    volume = pot2.read_u16() >> 10;
+    phase_l = 0;
+    phase_r = 512;
 
-    // codec.power(true);
+//     codec.power(true);
     // codec.frequency(SAMPLERATE);
     // codec.wordsize(16);
     // codec.master(false);
     // codec.headphone_volume(0.5);
-    // codec.start();
+//     codec.start();
 
-    // i2s.frequency(SAMPLERATE);
-    // i2s.wordsize(16);
-    // i2s.stereomono(I2S_STEREO);
-    // i2s.masterslave(I2S_MASTER);
-    // i2s.attach(&play);
-    // i2s.start();
-    while(1)
-    {
+    i2s.frequency(SAMPLERATE);
+    i2s.wordsize(16);
+    i2s.stereomono(I2S_STEREO);
+    i2s.masterslave(I2S_MASTER);
+    i2s.attach(&play);
+    i2s.start();
+
+    while(1){
+        wait_ms(500);
+        pc.printf(".");
+    }
+    while(1) {
         pc.printf(".");
         wait_ms(500);
-        // skipper = (aIn*30)+1;
-
-        // volume = 1;
-        // phase_kill = (vol - 0.5) * 400;
+        skipper = pot1.read_u16() >> 8;
+        volume = pot2.read_u16() >> 10; // 6-bit unsigned int
+//        codec.headphone_volume((int)(volume));
 
-        // printf("Skipper:%f, %i, %i\n\r",skipper, to_write,i2s.fifo_level());
-        /*if(flag)
-        {
-        printf(".");
-        flag = false;
-        }*/
+        lcd.locate(0,3);
+        lcd.printf("Volume: %+03d", (volume - 57));
+        lcd.locate(0,15);
+        lcd.printf("Skipper: %04d", skipper);
+
     }
 
 }
-// #include "C12832.h"
-//
-// C12832 lcd(D11, D13, D12, D7, D10);
-//
-// AnalogIn pot1 (A0);
-// AnalogIn pot2 (A1);
-//
-// int main()
-// {
-//     while(1) {
-//         lcd.cls();
-//         lcd.locate(0,3);
-//         lcd.printf("Pot 1 = %.2f", (float)pot1);
-//         lcd.locate(0,14);
-//         lcd.printf("Pot 2 = %.2f", (float)pot2);
-//         wait(0.1);
-//     }
-// }