Pic4box1.tar.gz_des

// copyright: // Copyright (c) 2008 - thierry.poncery@premiss.org //#define __18f458 #include <pic18fregs.h> #include <pic18f458.h> #include "DAC_controle.h" #include "LCD.h" #include "pic.h" #include "adi1955.h" #include "pcm1792.h" #include "vol_levels.h" #include <stdio.h> #include <stdlib.h> #include <string.h> #include <math.h> #pragma stack 0x300 0xff typedef unsigned int word; typedef unsigned char byte; // Word Config for PIC18F458 code char at __CONFIG1H CONFIG1H = _OSC_HS_1H & _OSCS_OFF_1H; code char at __CONFIG2L CONFIG2L = _PUT_ON_2L & _BODEN_OFF_2L & _BODENV_2_0V_2L; code char at __CONFIG2H CONFIG2H = _WDT_OFF_2H & _WDTPS_1_128_2H; code char at __CONFIG4L CONFIG4L = _STVR_ON_4L & _LVP_ON_4L & _BACKBUG_OFF_4L; code char at __CONFIG5L CONFIG5L = _CP_0_OFF_5L & _CP_1_OFF_5L & _CP_2_OFF_5L & _CP_3_OFF_5L; code char at __CONFIG5H CONFIG5H = _CPB_OFF_5H & _CPD_OFF_5H; code char at __CONFIG6L CONFIG6L = _WRT_0_OFF_6L & _WRT_1_OFF_6L & _WRT_2_OFF_6L & _WRT_3_OFF_6L; code char at __CONFIG6H CONFIG6H = _WRTC_OFF_6H & _WRTB_OFF_6H & _WRTD_OFF_6H; code char at __CONFIG7L CONFIG7L = _EBTR_0_OFF_7L & _EBTR_1_OFF_7L & _EBTR_2_OFF_7L & _EBTR_3_OFF_7L; code char at __CONFIG7H CONFIG7H = _EBTRB_OFF_7H; // For printf function /* PUTCHAR( c ) { TXEN1; TXREG=c; DelayUs(250); // 250us } */ void PUTCHAR(char c) { TXEN1; TXREG=c; DelayUs(250); // 250us } // First text displayed on the LCD byte * M_Titre=" << Premiss D2 >>"; // Function prototype void DelayMs(unsigned char cnt); void AD_write_SPI(unsigned int spi_data, unsigned int len); void PCM_write_SPI(unsigned int spi_data, unsigned int len); void ADI_Volume(unsigned int volume); void PCM_Volume(unsigned int volume); void ADI_VolumeChg(unsigned int volume,unsigned int sens); // Strutures typedef struct { unsigned char Name[10]; unsigned char Value[10]; } DACValue; typedef struct { unsigned char ItemNumero; unsigned char ItemName[11]; } Menu; typedef struct { unsigned char ItemNumero; // Numero d'order dans le menu unsigned char ItemName[10]; // Nom a afficher unsigned char ItemCurValue[11]; // Valeur courante unsigned char ItemDefValue[11]; // Valuer pas defaut ? } AD_Config; unsigned int mod_lev = 0; unsigned int auto_incr = 1; unsigned int flag,i; void main() { // DAC AD Datas init unsigned int PCMvol=255; // Volume register value to minimum at boot unsigned int ADIvol= Volvalue[PCMvol]; // Volume register value to minimum at boot long DACdB; // Attenuation level in dB pour les 2 DAC // Gestion des fonctions DACs unsigned int AD_MCi=0; // index des ModeClock pour AD1955 unsigned int DACno=0; // init DAC 0->AD1955 - 1->PCM1792 - 2-> Les 2 en meme temps ! unsigned char * Menu1[2]={"AD1955","PCM1792"}; unsigned char * L_Titre[3]={"<< Premiss ADI2 >>","<< Premiss PCM2 >>","<< Premiss Duo2 >>"}; unsigned int touche = 0; unsigned int clavier = 0; unsigned int Rt = 0; // TbD if I keep them -> LCD Display Buffer unsigned char CmdL1[21]=" "; unsigned char CmdL2[21]=" "; // Used to clear one line unsigned char ClsLine[21]=" "; // Gestion du bouton de Volume ( Formule du sens : sens=(Vup==Vdw_old) ) unsigned int VolSens = 0; // 0 ou 1 sens en cours du capteur unsigned int Vup=0,Vup_old=0; unsigned int Vdw=0,Vdw_old=0; // Menu CommonItem Select unsigned char * CommonSelect[2]={"Volume :","Src input:"}; // Menu AD1955 // Values are managed in text format to be stored in Eeprom unsigned char * AD_ItemSelect[6]={"PCM Rate :","Serial Wd:","MCLK Mode:","DEM Curve:","Muting :","Vol def :"}; // REG00 - bit [15] DACValue AD_Power[2]={{"Operation","0"},{"PowerDown","1"}}; // REG00 - bit [14] DACValue AD_Mute[2]={{"OFF","0"},{"ON","1"}}; // REG00 - bit [13:12] DACValue AD_DataFormat[4]={{"PCM","0"},{"Ext. DF","1"},{"SACD Slv","2"},{"SACD Mast","2"}}; // REG00 - bit [11:10] DACValue AD_OutputFormat[3]={{"Stereo","0"},{"Mono Left","2"},{"Mono right","3"}}; // REG00 - bit [9:8] DACValue AD_PcmSampleRate[3]={{"48kHz","0"},{"96kHz","1"},{"192kHz","2"}}; // REG00 - bit [7:6] DACValue AD_DeEmphasisCurveSelect[4]={{"None","0"},{"32.0kHz","2"},{"44.1kHz","1"},{"48.0kHz","3"}}; // REG00 - bit [5:4] DACValue AD_SerialDataFormat[4]={{"I2S","0"},{"Rig Just","1"},{"DSP","2"},{"Left J","3"}}; // REG00 - bit [3:2] DACValue AD_SerialDataWidth[4]={{"24b","0"},{"20b","1"},{"18b","2"},{"16b","3"}}; // REG01 - bit [10:9] DACValue AD_ClockMode[3]={{"256Fs","0"},{"512Fs","1"},{"768Fs","2"}}; // REG02 - bit [15:2] DACValue AD_LeftVolume[1]={{"","0"}}; // REG03 - bit [15:2] DACValue AD_RightVolume[1]={{"","0"}}; // Menu PCM1792 unsigned char * PCM_ItemSelect[5]={"PCM rate :","PCM long :","DEM Curve:","MCLK Mode:","Muting :"}; unsigned char * PCM_MclockMode[3]={"256Fs","512Fs","768Fs"}; // Tableau clok Mode Version 1 unsigned char * AD_MclockMode[3]={"256Fs","512Fs","768Fs"}; Menu AD_UserL1[4]={ {0,""},{1,"Volume :"},{2,"Src input:"},{9,""} }; // PCM rate : xxxkHz * PCM long : xxbit * MCLK Mode : xxxFs * DEM curve : xxxkHz * Muting : xxx * Vol def : -xxxdB * Src input :ABCDEFGH Menu AD_SetupL1[5]={ {0,""},{1,"PCM rate :"},{2,"ModeClock:"},{3,"SampRate :"},{9,""} }; //AD_Config AD_SetupL1[5]={ {0,"",,},{1,"PCM rate : xxxkHz",,},{2,"ModeClock:",,},{3,"SampRate :",,},{9,"",,} }; stdout = STREAM_USART; // For printf, fprintf, ... KBD_Rpt(0); // Reapeat ON pic_io_init(); pic_init_usart(); LCD_Cls(); // clear LCD LCD_Pos(1,1); // cursor Line, colonne LCD_Print(M_Titre); // Hello !! power_start(); // wait power supply stabilisation ADI_com_init(); // init SPI Levels for ADI1955 PCM_com_init(); // init SPI Levels for PCM1792 PCM_ModeMono(); ADI_ModeMono(); ADI_Volume(0); // volume at minimum, before starting PCM_Volume(0); // volume at minimum, before starting DACdB = (255-PCMvol)*0.5; // Maxi a -120dB -> Rajouter le (-) en texte. flag = 0; // 0=48 - 1=96 - 2=192 LCD_Pos(2,1); printf("%s ModClk %s\n",Menu1[DACno],AD_MclockMode[AD_MCi]); // Main loop, to be changed with a timer loop !! while(1) { // Volume controle Vup=KVup; Vdw=KVdw; if ( KVup!=Vup_old || KVdw!=Vdw_old ) // Si ca a bouge ... { VolSens=(Vup==Vdw_old); if ( VolSens == 1 ) // Volume Up { if (ADIvol < AD_MAX_VOL) { if (ADIvol < (AD_MAX_VOL - INC_VOL)) { ADIvol += INC_VOL; LCD_Pos(2,1); printf("%s Vol %d \n",Menu1[DACno],ADIvol); } else { ADIvol = AD_MAX_VOL; LCD_Pos(2,1); printf("%s Vol Max \n",Menu1[DACno]); } } mod_lev = 1; auto_incr = 0; } else // volSens=0 -> volume Down { if (ADIvol > 0) { if (ADIvol > INC_VOL) { ADIvol -= INC_VOL; LCD_Pos(2,1); printf("%s Vol %d \n",Menu1[DACno],ADIvol); } else { ADIvol = 0; LCD_Pos(2,1); printf("%s Vol Min \n",Menu1[DACno]); } } mod_lev = 1; auto_incr = 0; } } Vup_old=Vup; // Memoire Vdw_old=Vdw; // ... // Gestion liaison serie Rt = PIR1&32; // Lecture bit RCIF ( bit 5 ) si 1 si reception complete if ( Rt == 32 ) // Si reception d'un octet ... { touche = 0; // Une touche a ete appuye clavier=RCREG; // lecture reg reception if ( clavier == 'M' ) { DACno=0; // AD1955 LCD_Pos(1,1); // cursor Line, colonne printf("%s\n",L_Titre[DACno]); LCD_Pos(2,1); LCD_Lclear(); LCD_Pos(2,1); printf("%s ModClk %s\n",Menu1[DACno],AD_MclockMode[AD_MCi]); } else if ( clavier == 'N' ) { DACno=1; // PCM1792 LCD_Pos(1,1); // cursor Line, colonne printf("%s\n",L_Titre[1]); LCD_Pos(2,1);