sinth.h

00001 
00002 // Author: Stefano Fasciani - stefanofasciani@stefanofasciani.com
00003 // Date 7/8/2016
00004 // FM Sinth for DISCO_F746NG and ADXL345
00005 
00006 
00007 #include "mbed.h"
00008 #include "AUDIO_DISCO_F746NG.h"
00009 #include "SDRAM_DISCO_F746NG.h"
00010 #include "LCD_DISCO_F746NG.h"
00011 #include "TS_DISCO_F746NG.h"
00012 #include "ADXL345.h"
00013 #include <math.h>
00014 
00015 #define AUDIO_BLOCK_SIZE    1024
00016 #define TABLE_SIZE          2048
00017 
00018 typedef enum{
00019     BUFFER_OFFSET_NONE = 0,
00020     BUFFER_OFFSET_HALF = 1,
00021     BUFFER_OFFSET_FULL = 2,
00022 }BUFFER_StateTypeDef;
00023 
00024 float map(float x, float out_min, float out_max);
00025 void sint_osc();
00026 void copy_buffer(int offset);
00027 void init_sin_table();
00028 float get_touch_horizontal();
00029 float get_touch_vertical();
00030 float get_acc_horizontal();
00031 float get_acc_vertical();
00032 void display_keyboard();
00033 float get_note_pitch();
00034 uint8_t SetSysClock_PLL_HSE_200MHz();
00035 
00036 
00037 extern float table[];
00038 extern int16_t out_buffer[];
00039 extern float osc_buf[];
00040 extern __IO uint32_t  audio_out_buffer_state;
00041 extern float idx_1;
00042 extern float idx_2;
00043 extern float filt_old_samp;
00044 extern float frqTL;
00045 extern float two_pi_48k;
00046 extern int acc_readings[];
00047 extern int update_round;
00048 extern float amplitude;
00049 extern float pitch;
00050 extern float modrate;
00051 extern float moddepth;
00052 extern float filter;
00053 extern TS_StateTypeDef TS;
00054 extern LCD_DISCO_F746NG lcd;