带暂停功能的ISD4004录音播放程序

#include "function.h" #include "ISD4004_drive.h" #include "usual.h" #include "lcd.h" unsigned char code tab[] = {" ISD4004 TEST "}; //定义第1行显示的字符 unsigned char code line1_data[] = {"Recording Start "}; //定义第1行显示的字符 unsigned char code line2_data[] = {"Recording Over "}; //定义第1行显示的字符 unsigned char code line3_data[] = {" Playing Start "}; //定义第1行显示的字符 unsigned char code line4_data[] = {" Playing Over "}; //定义第1行显示的字符 unsigned char code line5_data[] = {"RecordingSuspend"}; //定义第1行显示的字符 unsigned char code line6_data[] = {"Playing Suspend" }; //定义第1行显示的字符 unsigned char mode = 0; void init(void) {unsigned char i = 0; lcd_init(); spi_init(); lcd_wcmd(0x01); lcd_wcmd(0x80); while(tab[i] != '\0') { lcd_wdat(tab[i]); i++; } EX0 = 1; IT0 = 1; IE0 = 0; EA = 1; } void key(void) { static bit rec_suspend_flag = 0; static bit play_suspend_flag = 0; static unsigned long address = 0; unsigned char i = 0; if(!key_rec){ delay_ms(20); if(!key_rec){ while(!key_rec) ; rec_test(); mode = 1; play_suspend_flag = 0; rec_suspend_flag = 0; } } if(!key_play){ delay_ms(20); if(!key_play){ while(!key_play) ; play_test(); mode = 2; play_suspend_flag = 0; rec_suspend_flag = 0; } } if(!key_stop){ delay_ms(20); if(!key_stop){ while(!key_stop) ; stop_op(); } } if(!key_suspend){ delay_ms(20); if(!key_suspend){ while(!key_suspend) ; switch(mode){ case 1:if(!rec_suspend_flag){ rec_suspend_flag = 1; isd_stop(); delay_ms(500); address = isd_read_address(); lcd_wcmd(0x80); i = 0; while(line5_data[i] != '\0') { lcd_wdat(line5_data[i]); i++; } lcd_wcmd(0xc0+16); } else{ rec_suspend_flag = 0; isd_powerup(); delay_ms(500); isd_powerup(); delay_ms(500); address = address - 2; isd_setrec(((unsigned char)(address>>8)),((unsigned char)(address&0xff))); isd_rec(); //发送rec指令 lcd_wcmd(0x80); i = 0; while(line1_data[i] != '\0') { lcd_wdat(line1_data[i]); i++; } lcd_wcmd(0xc0+16); } break; case 2:if(!play_suspend_flag){ play_suspend_flag = 1; isd_stop(); delay_ms(500); address = isd_read_address(); lcd_wcmd(0x80); i = 0; while(line6_data[i] != '\0') { lcd_wdat(line6_data[i]); i++; } lcd_wcmd(0xc0+16); } else{ play_suspend_flag = 0; isd_powerup(); delay_ms(500); address = address - 2; isd_setplay(((unsigned char)(address>>8)),((unsigned char)(address&0xff))); isd_play(); lcd_wcmd(0x80); i = 0; while(line3_data[i] != '\0') { lcd_wdat(line3_data[i]); i++; } lcd_wcmd(0xc0+16); } break; case 0:break; } } } } void rec_test(void) {unsigned char i = 0; lcd_wcmd(0x80); while(line1_data[i] != '\0') { lcd_wdat(line1_data[i]); i++; } lcd_wcmd(0xc0+16); isd_powerup(); delay_ms(500); isd_powerup(); delay_ms(500); isd_setrec(0x00,0x00); isd_rec(); //发送rec指令 } void play_test(void) { unsigned char i = 0; lcd_wcmd(0x80); while(line3_data[i] != '\0') { lcd_wdat(line3_data[i]); i++; } lcd_wcmd(0xc0+16); isd_powerup(); delay_ms(500); isd_setplay(0x00,0x00); //发送setplay指令，从0x0000地址开始放音 isd_play(); //发送放音指令 } void stop_op(void) {unsigned char i; switch(mode){ case 1: mode = 0; isd_stop(); lcd_wcmd(0x80); i = 0; while(line2_data[i] != '\0') { lcd_wdat(line2_data[i]); i++; } lcd_wcmd(0xc0+16); break; case 2: mode = 0; isd_stop(); lcd_wcmd(0x80); i = 0; while(line4_data[i] != '\0') { lcd_wdat(line4_data[i]); i++; } lcd_wcmd(0xc0+16); break; case 0: break; } } /*unsigned char code num_tab[]={"0123456789abcdef"}; void read_addr_test(void) { unsigned long addr = 0; unsigned long mid_var = 0; unsigned char a,b,c,d,e,f,g,h; addr = isd_read_address(); mid_var = addr; h = mid_var & 0x0000000f; mid_var = mid_var >> 4; g = mid_var & 0x0000000f; mid_var = mid_var >> 4; f = mid_var & 0x0000000f; mid_var = mid_var >> 4; e = mid_var & 0x0000000f; mid_var = mid_var >> 4; d = mid_var & 0x0000000f; mid_var = mid_var >> 4; c = mid_var & 0x0000000f; mid_var = mid_var >> 4; b = mid_var & 0x0000000f; mid_var = mid_var >> 4; a = mid_var & 0x0000000f; lcd_wcmd(0xc7); lcd_wdat(num_tab[a]); lcd_wdat(num_tab[b]); lcd_wdat(num_tab[c]); lcd_wdat(num_tab[d]); lcd_wdat(num_tab[e]); lcd_wdat(num_tab[f]); lcd_wdat(num_tab[g]); lcd_wdat(num_tab[h]); lcd_wcmd(0xc0+16); } */ /*void display_long(unsigned long mid_var) { unsigned char a,b,c,d,e,f,g,h; h = mid_var & 0x0000000f; mid_var = mid_var >> 4; g = mid_var & 0x0000000f; mid_var = mid_var >> 4; f = mid_var & 0x0000000f; mid_var = mid_var >> 4; e = mid_var & 0x0000000f; mid_var = mid_var >> 4; d = mid_var & 0x0000000f; mid_var = mid_var >> 4; c = mid_var & 0x0000000f; mid_var = mid_var >> 4; b = mid_var & 0x0000000f; mid_var = mid_var >> 4; a = mid_var & 0x0000000f; lcd_wcmd(0xc7); lcd_wdat(num_tab[a]); lcd_wdat(num_tab[b]); lcd_wdat(num_tab[c]); lcd_wdat(num_tab[d]); lcd_wdat(num_tab[e]); lcd_wdat(num_tab[f]); lcd_wdat(num_tab[g]); lcd_wdat(num_tab[h]); lcd