Diff: main.cpp

Revision:

0:53e66485c864

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun May 01 12:34:33 2011 +0000
@@ -0,0 +1,85 @@
+/*****************************************************/
+/* MBED MULTI EFFECTOR                               */
+/*                                                   */
+/*                                                   */
+/*****************************************************/
+
+#include "mbed.h"
+#include "Distotion_Unit.h"
+
+Ticker      sampling;
+AnalogIn    Ain(p17);
+AnalogOut   Aout(p18);
+
+/*******************************/
+/* For Test Signal             */
+/*******************************/
+#define     TEST_SIGNAL_ENABLE      (0)                 // 1 : Internal SinWave for Debug
+#define     TEST_SIGNAL_FREQ        (1000.0)            // Frequency [Hz]    
+#define     TEST_SIGNAL_AMP         (30000.0)           // Amplitude
+#define     PAI                     (3.14159)
+
+/*******************************/
+/* For ADC & DAC Setting       */
+/*******************************/
+#define     SAMPLING_TIME           (25.0)              // ADC Sampling Rate [us]
+
+volatile unsigned int   *g_usiAd0cr, *g_usiAd0dr2;      // ADC Reg
+unsigned int            *g_usiDacr;                     // DAC Reg
+unsigned int            g_usiFinalOut;
+int                     g_ssBuff[10];
+float                   g_fTestWaveT;
+
+/*******************************/
+/* Effect Process              */
+/*******************************/
+void effectProcess() {
+    // Line Out
+    *g_usiDacr = g_usiFinalOut;
+    // ADC Start
+    *g_usiAd0cr = 0x01200204;
+
+#if (TEST_SIGNAL_ENABLE == 1)           // Test Signal Sin Wave
+    g_ssBuff[0] = TEST_SIGNAL_AMP * sin(g_fTestWaveT);
+    g_fTestWaveT = g_fTestWaveT + 2.0 * PAI * SAMPLING_TIME * TEST_SIGNAL_FREQ  / 1e6;
+    if (g_fTestWaveT >= (2.0 * PAI))g_fTestWaveT = 0;
+#endif
+
+    //
+    // Effect Func();
+    //
+    g_ssBuff[1] = distotion(g_ssBuff[0]);
+    //
+    // Effect Func();
+    //
+
+#if (TEST_SIGNAL_ENABLE == 0)
+    while (1) {
+        if ((*g_usiAd0dr2 & 0x80000000) != 0)break; // ADC Done ?
+    }
+    g_ssBuff[0] = (int)(*g_usiAd0dr2 & 0x0000FFF0) - 32768;
+#endif
+
+    g_usiFinalOut = 0x00010000 | (g_ssBuff[1] + 32768);
+}
+
+
+/*******************************/
+/* MAIN                        */
+/*******************************/
+int main() {
+
+    g_usiAd0cr     = (unsigned int*)0x40034000;
+    g_usiAd0dr2    = (unsigned int*)0x40034018;
+    g_usiDacr      = (unsigned int*)0x4008C000;
+    sampling.attach_us(&effectProcess, SAMPLING_TIME);
+
+    while (1) {
+
+        //
+        // Parameter Setting Func()
+        //
+
+    }
+}
+