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main.cpp
- Committer:
- faker
- Date:
- 2011-05-01
- Revision:
- 0:53e66485c864
File content as of revision 0:53e66485c864:
/*****************************************************/ /* 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() // } }