/*
* 要想图片显示成功
* 需把字库拷贝到sd卡上，然后把sd卡插到开发板的卡槽上
*/
int main(void)
{
LCD_Init();
LCD_Clear(0, 0, 240, 320, BACKGROUND);
/* USART1 config */
//USART1_Config();
//printf("\r\n this is a fatfs test demo \r\n");
/* 初始化sd卡文件系统，因为汉字的字库放在了sd卡里面 */
Sd_fs_init();
/* 设置Lcd Gram 扫描方向为: 左上角 -> 右下角*/
//Lcd_GramScan( 1 );
LCD_DispStr(5, 5, (uint8_t *)"fatfs init success", RED);
LCD_DispStr(5, 25, (uint8_t *)"insure the sdcard has insert......", RED);
LCD_DispStrCH(50, 50, (uint8_t *)"野火开发板", RED);
LCD_DispEnCh(5, 90, "Welcome to use 野火 ISO Stm32 开发板 bigo------", RED);
/* 显示BMP图片 */
Lcd_show_bmp(0, 0,"/wildfire.bmp");
Lcd_show_bmp( 10,10,"/pic1.bmp");
Lcd_show_bmp( 170,0,"/pic2.bmp");
while(1);
}
/*触摸时显示触摸效果*/
void Lcd_Touch(uint8_t test_num)
{
char i = ((test_num-1)%PER_PAGE);
char pic_name[50];
sprintf(pic_name,"/boardtest/ISO_MINI/ui_tch_test%d.bmp",test_num);
if(i<=((PER_PAGE/2)-1))
{
Lcd_show_bmp(160, 166-(70*i),pic_name);
}
else
{
Lcd_show_bmp(91, 166-(70*(i-(PER_PAGE/2))),pic_name);
}
delay(0x2FFf);
sprintf(pic_name,"/boardtest/ISO_MINI/ui_test%d.bmp",test_num);
if(i<=((PER_PAGE/2)-1))
{
Lcd_show_bmp(160, 166-(70*i),pic_name);
}
else
{
Lcd_show_bmp(91, 166-(70*(i-(PER_PAGE/2))),pic_name);
}
delay(0xFFF);
}
/*
* 初始化液晶，串口，触摸屏，flash及sd卡 *
*/
void ISO_Init(void)
{
uint8_t k;
/* 液晶初始化先于串口，不然会有bug，至于是什么原因我也不知道:( */
LCD_Init();
LCD_Clear(0,0,240,320,WHITE);
LCD_DispStr(20,150,"board init,please wait... ",RED);
USART1_Config();
/* 初始化sd卡文件系统，因为汉字的字库放在了sd卡里面 */
Sd_fs_init();
#ifdef WORD_MODE
/* 显示界面图片 */
Lcd_show_bmp(0, 0,"/boardtest/boardtest.bmp");
#else
/* 显示界面图片 */
Lcd_show_bmp(0, 0,"/boardtest/ISO/ui_boardtest.bmp");
#endif
Lcd_List(1);
/* 初始化外部FLASH */
SPI_FLASH_Init();
//SPI_FLASH_SectorErase(0);
/* 触摸屏IO和中断初始化 */
Touch_Init();
/*-------------------------------------------------------------------------------------------------------*/
#if 1
SPI_FLASH_BufferRead(&cal_flag, 0, 1);
if( cal_flag == 0x55 )
{
SPI_FLASH_BufferRead((void*)cal_p, 1, sizeof(cal_p));
SPI_FLASH_CS_HIGH();
for( k=0; k<6; k++ )
printf("\r\n rx = %LF \r\n",cal_p[k]);
}
else
{
/* 等待触摸屏校正完毕 */
while(Touch_Calibrate() !=0);
}
#elif 0
/* 等待触摸屏校正完毕 */
while(Touch_Calibrate() !=0);
#endif
}
void Lcd_List(char page)
{
#ifdef WORD_MODE //文字版
char i;
char lcd_char[28]; //+4是为了预留空间的实验编号
select_index_boardtest=0; //重新显示新的一页时重置select_index
Lcd_GramScan( 1 ); //设置扫描方向
LCD_Clear(12,86,206,145,BACKGROUND);
sprintf(lcd_char,"第 %0d/%0d 页",current_page_boardtest,all_page_boardtest); //显示页码
LCD_DispEnCh(30,235,(const uint8_t *)lcd_char,BLUE);
/* 打开playlist，读取音频文件名 */
for(i=0;(i+PER_PAGE*(page-1))<TEST_NUM && i< PER_PAGE;i++) //仅显示第一页
{
sprintf(lcd_char,"%0d.%s",PER_PAGE*(page-1)+i+1,test_name[(PER_PAGE*(page-1) + i)]); //拼接出歌曲列表
LCD_DispEnCh(22,87+i*18,(const uint8_t *)lcd_char,BLACK); //显示
}
#else //图标版
char i;
char lcd_char[28]; //+4是为了预留空间的实验编号
char pic_name[50];
select_index_boardtest=0; //重新显示新的一页时重置select_index
Lcd_GramScan( 1 ); //设置扫描方向
LCD_Clear(12,94,212,160,BACKGROUND);//BLUE BACKGROUND
sprintf(lcd_char,"第 %0d/%0d 页",current_page_boardtest,all_page_boardtest); //显示页码
LCD_DispEnCh(30,235,(const uint8_t *)lcd_char,BLUE);
/* 打开playlist，读取音频文件名 */
for(i=0;(i+PER_PAGE*(page-1))<TEST_NUM && i< PER_PAGE;i++) //仅显示第一页
{
sprintf(pic_name,"/boardtest/ISO_MINI/ui_test%d.bmp",PER_PAGE*(page-1)+i+1);
if(i<=((PER_PAGE/2)-1))
{
Lcd_show_bmp(160, 166-(70*i),pic_name);
}
else
{
Lcd_show_bmp(91, 166-(70*(i-(PER_PAGE/2))),pic_name);
}
}
#endif
}
void MP3_test(void)
{
/* 初始化设置I2S */
I2S_Bus_Init();
/* 初始化PCM1770 */
PCM1770Init();
/* 显示MP3界面图片 */
Lcd_show_bmp(0, 0,"/mp3player/ui_window.bmp");
/* 运行MP3播放器 */
player_run();
}
void pic_display(void)
{
Lcd_show_bmp(0,0,"/pic3.bmp",1); // 显示MicroSD卡里面的MYPIC1.bmp文件，图片分辨率
Delay_us(300000);
Lcd_show_bmp(0,0,"/1.bmp",1); // 显示MicroSD卡里面的MYPIC1.bmp文件，图片分辨率
Delay_us(300000);
Lcd_show_bmp(0,0,"/2.bmp",1); // 显示MicroSD卡里面的MYPIC1.bmp文件，图片分辨
Delay_us(300000);
Lcd_show_bmp(0,0,"/3.bmp",1); // 显示MicroSD卡里面的MYPIC1.bmp文件，图片分辨率
Delay_us(300000);
Lcd_show_bmp(0,0,"/4.bmp",1); // 显示MicroSD卡里面的MYPIC1.bmp文件，图片分辨率
Delay_us(300000);
Lcd_show_bmp(0,0,"/5.bmp",1); // 显示MicroSD卡里面的MYPIC1.bmp文件，图片分辨
Delay_us(300000);
Lcd_show_bmp(0,0,"/6.bmp",1); // 显示MicroSD卡里面的MYPIC1.bmp文件，图片分辨率
Delay_us(300000);
Lcd_show_bmp(0,0,"/myScreen.bmp",1); // 显示MicroSD卡里面的MYPIC1.bmp文件，图片分辨率
Delay_us(300000);
}
int main(void)
{
/* USART1 config */
USART1_Config();
// Key3_GPIO_Config();
SysTick_Init();
key_led_init();
LCD_Init(); /* LCD 初始化*/
sd_fs_init();
Sd_fs_test();
// /*显示图像*/
// Lcd_show_bmp(0, 0,"/pic3.bmp");
// Lcd_show_bmp( 40,200,"/pic2.bmp");
// Lcd_show_bmp( 100,100,"/pic1.bmp");
//
// /*横屏显示*/
// LCD_Str_O(20, 10, "lCD_DEMO",0);
// LCD_Str_CH(20,30,"阿莫论坛野火专区",0,0xffff);
// LCD_Str_CH_O(20,50,"阿莫论坛野火专区",0);
// LCD_Num_6x12_O(20, 70, 65535, BLACK);
// LCD_Str_6x12_O(20, 90,"LOVE STM32", BLACK);
// /*竖屏显示*/
// LCD_Str_O_P(300, 10, "Runing", 0);
// LCD_Str_CH_P(280,10,"阿莫论坛野火专区欢迎你",0xff,0xffff);
// LCD_Str_CH_O_P(260,10,"阿莫论坛野火专区",0);
// LCD_Str_6x12_O_P(240, 10,"LOVE STM32", 0);
// LCD_Str_ENCH_O_P(220,10,"欢迎使用野火stm32开发板",0);
//
// /*截图*/
// LCD_Str_CH(20,150,"正在截图",0,0xffff);
// Screen_shot(0, 0, 240,320 , "/myScreen");
// LCD_Str_CH(20,150,"截图完成",0,0xffff);
//
//
// LCD_test();
// lcd_PutChar(50,30,'A',BLACK,WHITE);
GUI_Text(20,30,"AAAAAAAAAAAAA ",sizeof("AAAAAAAAAAAAA "),0,0xffff);
LCD_Char_CH(200,100,"好",0,0xffff);
LCD_Str_CH(100,200,"呵呵，褚亭强你真牛逼",0,SILVER);
Screen_shot(0, 0, 400,240 , "/myScreen");
LCD_Str_O(50,60,str2,BLACK,TEAL);
Lcd_show_bmp(0,0,"/pic3.bmp",1); // 显示MicroSD卡里面的MYPIC1.bmp文件，图片分辨率1024*768
//LCD_WriteRAM_Prepare();
LCD_Str_O(50,80,str3,BLACK,SILVER);
// ltk_list_file();
Lcd_show_bmp(0,0,"/1.bmp",1); // 显示MicroSD卡里面的MYPIC1.bmp文件，图片分辨率1024*768
Lcd_show_bmp(0,0,"/2.bmp",1); // 显示MicroSD卡里面的MYPIC1.bmp文件，图片分辨率1024*768
while (1)
{
pic_display();
}
}
/**
* @brief even_process 根据事件标志进行处理
* @param none
* @retval none
*/
static void even_process(void)
{
switch(touch_even)
{
/* 音量加 */
case E_UP:
Volume_Add();
touch_even = E_NULL;
break;
/* 音量减 */
case E_DOWN:
Volume_Dec();
touch_even = E_NULL;
break;
/* 播放、暂停键 */
case E_PLAY_STOP:
if(player_state == S_PLAY) //若当前状态为播放
{
player_state = S_STOP; //切换为暂停状态
}
else //若当前状态为暂停
player_state =S_PLAY; //切换为播放暂停
touch_even = E_NULL;
break;
/* 上一首 */
case E_PREV:
if(play_index <= 0)
{
play_index = 0;
}
else
{
play_index--;
#if 0 //放在player_run 函数里统一处理了
/* 检测要切换的歌曲是否在播放列表的上一页 */
if((play_index+8)/8 < current_page) //play_index从零开始计数所以+1，+7是使用进一法。 +1+7 =+8
{
current_page--; //更新当前页码
lcd_list(current_page); //刷新LCD列表
}
#endif
}
touch_even = E_NULL;
player_state = S_SWITCH; //进入切歌状态
break;
/* 下一首 */
case E_NEXT:
if(play_index < file_num-1)
{
play_index++;
#if 0 //放在player_run 函数里统一处理了
/* 检测要切换的歌曲是否在播放列表的下一页 */
if((play_index+8)/8 >current_page) //play_index从零开始计数所以+1，+7是使用进一法。 +1+7 =+8
{
current_page++; //更新当前页码
lcd_list(current_page); //刷新LCD列表
}
#endif
}
else
{
play_index = file_num-1; //play_index设置为最后一个歌曲文件
}
touch_even = E_NULL;
player_state = S_SWITCH; //进入切歌状态
break;
/* 向上 */
case E_SELT_UP:
if(select_index>0)
select_index--;
Lcd_GramScan(1);
LCD_Clear(12,88,8,145,BACKGROUND); //清除状态栏
Lcd_show_bmp(320-(103+(select_index*18)),240-20,"/mp3player/ui_select.bmp"); //显示“打勾”标签
touch_even = E_NULL;
break;
/* 向下 */
case E_SELT_DOWN:
if(select_index<8-1 && (select_index+8*(current_page-1))<file_num-1) //判断是否溢出，不大于8，不指向无文件名的位置
select_index++;
Lcd_GramScan(1);
LCD_Clear(12,88,8,145,BACKGROUND); //清除状态栏
Lcd_show_bmp(320-(103+(select_index*18)),240-20,"/mp3player/ui_select.bmp"); //显示“打勾”标签
touch_even = E_NULL;
break;
/* 直接点选歌曲 */
case E_SELECT:
play_index = select_index + ((current_page-1)*8); //根据当前页和select_index确定play_index
player_state = S_SWITCH;
touch_even = E_NULL;
break;
/* 下一页 */
case E_SELT_NEXT:
if(current_page<all_page)
{
current_page++; //更新当前页码
lcd_list(current_page); //刷新LCD列表
}
else
current_page =all_page;
touch_even = E_NULL;
break;
/* 上一页 */
case E_SELT_PREV:
if(current_page>1)
{
current_page--; //更新当前页码
lcd_list(current_page); //刷新LCD列表
}
else
current_page =1;
touch_even = E_NULL;
break;
/* OK */
case E_SELT_OK:
play_index = select_index+8*(current_page-1); //根据当前页和select_index确定play_index
touch_even = E_NULL;
player_state = S_SWITCH;
break;
/* 扬声器 */
case E_LOUD_SPEAK:
if(speaker_flag == 0) //speaker关状态
{
Loud_Speaker_ON(); //开启speaker
speaker_flag =1;
printf("\r\n loud on");
}
else //speaker为开状态
{
Loud_Speaker_OFF(); //关闭speaker
speaker_flag=0;
printf("\r\n loud off");
}
touch_even = E_NULL;
break;
default:
//touch_even = E_NULL;
break;
}
}
/**
* @brief wav_player 进行wav文件播放
* wav格式存储的就是PCM数据，不需要解码
* @param filename:要播放的文件路径
* @retval none
*/
static void wav_player(const char *filename)
{
short *p;
WavHead *wav;
//打开音频文件
fres = f_open (&file, filename, FA_READ );
//打开失败
if (fres!=FR_OK)
{
printf("read file %s error ! open another file\r\n",filename);
fres = f_close (&file);
if (++play_index>=file_num) //索引值加1
{
play_index=0; //归0，所以如果所有文件都打开失败会一直循环
}
return ; //文件无法打开，终止解码。进入下一次循环，读取下一个文件
}
//显示播放图标
Lcd_GramScan(1);
LCD_Clear(12,88,8,145,BACKGROUND);
Lcd_show_bmp(320-(103+((play_index-((current_page-1)*8))*18)),240-20,"/mp3player/ui_playing.bmp");
fres = f_read(&file,buffer,512,&rw_num); //读取文件头
wav = (WavHead *)buffer; //整理格式
printf("\r\n samprate: %dHz", wav->dwSamplesPerSec); //采样率
if(wav->dwSamplesPerSec >= I2S_AudioFreq_Default)
I2S_Freq_Config(wav->dwSamplesPerSec); //设置采样率
//播放循环
while(player_state != S_SWITCH) //循环本过程播放音频，直到切歌
{
if (player_state == S_STOP)
{
even_process();
continue; //暂停的时候跳出本循环
}
player_state = S_PLAY; //状态更新为正在播放
//读取wav文件
p = (short *)(buffer+sizeof(buffer)/2*bufflag);
fres = f_read(&file, p, sizeof(buffer)/2, &rw_num);
if(fres != FR_OK)
{
printf("读取%s失败！ %d\r\n",filename,fres);
break;
}
/* 等待DMA播放完，这段时间我们可以干其他的事，事件处理 */
while((DMA1_Channel5->CCR & DMA_CCR1_EN) && !(DMA1->ISR&DMA1_IT_TC5))
{
even_process();
}
DMA_ClearFlag(DMA1_FLAG_TC5 | DMA1_FLAG_TE5);
DMA_I2S_Configuration((uint32_t)p, rw_num/2);
bufflag = 1 -bufflag; //切换buffer
if(file.fptr==file.fsize) //如果指针指向了文件尾，表示数据全部读完
{
printf("END\r\n");
if(play_index<file_num-1) //自动开始下一首歌曲
{
play_index++;
player_state = S_SWITCH;
}
else
{
play_index = 0;
player_state = S_SWITCH;
}
break; //跳出这首歌的播放状态 while break;
}
}
f_close(&file); //结束播放本歌曲，关闭文件
I2S_Stop();
}
/**
* @brief mp3_player 进行mp3文件解码、播放
* @param filename:要播放的文件路径
* @retval none
*/
static void mp3_player(const char *filename)
{
int err, i, outputSamps, current_sample_rate = 0;
int read_offset = 0; /* 读偏移指针 */
int bytes_left = 0; /* 剩余字节数 */
unsigned long Frames = 0; /* mP3帧计数 */
unsigned char *read_ptr = buffer; /* 缓冲区指针 */
HMP3Decoder Mp3Decoder; /* mp3解码器指针 */
//打开音频文件
fres = f_open (&file, filename, FA_READ );
//打开失败
if (fres!=FR_OK)
{
printf("read file %s error ! open another file\r\n",filename);
fres = f_close (&file);
if (++play_index>=file_num) //索引值加1
{
play_index=0; //归0，所以如果所有文件都打开失败会一直循环
}
return ; //文件无法打开，终止解码。进入下一次循环，读取下一个文件
}
//打开成功
//初始化MP3解码器
Mp3Decoder = MP3InitDecoder();
//获取输入数据流，调用helix库解码，输出PCM数据，约20ms完成一次循环
//开始进入播放状态,期间中断会修改touch_even状态
while(player_state != S_SWITCH) //循环1， 如果touch_even不是切歌状态则继续呆在循环体里
{
//有时出现解码错误，错误后继续在本循环体内，继续播放
//显示播放图标
Lcd_GramScan(1);
LCD_Clear(12,88,8,145,BACKGROUND);
Lcd_show_bmp(320-(103+((play_index-((current_page-1)*8))*18)),240-20,"/mp3player/ui_playing.bmp");
//读取mp3文件
fres = f_read(&file, buffer, sizeof(buffer), &rw_num);
if(fres != FR_OK)
{
printf("读取%s失败！ %d\r\n",filename,fres);
break;
//return;
}
read_ptr = buffer; //指向mp3输入流
bytes_left = rw_num; //实际读到的输入流大小大小
//按帧处理
while(player_state != S_SWITCH) //循环2，循环本过程播放音频，直到按了下一首、上一首
{
if (player_state == S_STOP)
{
even_process(); //检查是否有事件需要处理
continue; //暂停的时候结束本次循环
}
player_state = S_PLAY; //状态更新为正在播放
read_offset = MP3FindSyncWord(read_ptr, bytes_left); //寻找帧同步，返回第一个同步字的位置
if(read_offset < 0) //没有找到同步字
{
break; //跳出循环2，回到循环1
}
read_ptr += read_offset; //偏移至同步字的位置
bytes_left -= read_offset; //同步字之后的数据大小
if(bytes_left < 1024) //补充数据
{
/* 注意这个地方因为采用的是DMA读取，所以一定要4字节对齐 */
i=(uint32_t)(bytes_left)&3; //判断多余的字节
if(i) i=4-i; //需要补充的字节
memcpy(buffer+i, read_ptr, bytes_left); //从对齐位置开始复制
read_ptr = buffer+i; //指向数据对齐位置
fres = f_read(&file, buffer+bytes_left+i, sizeof(buffer)-bytes_left-i, &rw_num);//补充数据
bytes_left += rw_num; //有效数据流大小
}
err = MP3Decode(Mp3Decoder, &read_ptr, &bytes_left, outBuf[bufflag], 0); //开始解码 参数：mp3解码结构体、输入流指针、输入流大小、输出流指针、数据格式
Frames++;
if (err != ERR_MP3_NONE) //错误处理
{
switch (err)
{
case ERR_MP3_INDATA_UNDERFLOW:
printf("ERR_MP3_INDATA_UNDERFLOW\r\n");
read_ptr = buffer;
fres = f_read(&file, read_ptr, sizeof(buffer), &rw_num);
bytes_left = rw_num;
break;
case ERR_MP3_MAINDATA_UNDERFLOW:
/* do nothing - next call to decode will provide more mainData */
printf("ERR_MP3_MAINDATA_UNDERFLOW\r\n");
break;
default:
printf("UNKNOWN ERROR:%d\r\n", err);
// 跳过此帧
if (bytes_left > 0)
{
bytes_left --;
read_ptr ++;
}
break;
}
}
else //解码无错误，准备把数据输出到PCM
{
MP3GetLastFrameInfo(Mp3Decoder, &Mp3FrameInfo); //获取解码信息
/* 根据解码信息设置采样率 */
if (Mp3FrameInfo.samprate != current_sample_rate) //采样率
{
current_sample_rate = Mp3FrameInfo.samprate;
printf(" \r\n Bitrate %dKbps", Mp3FrameInfo.bitrate/1000);
printf(" \r\n Samprate %dHz", current_sample_rate);
printf(" \r\n BitsPerSample %db", Mp3FrameInfo.bitsPerSample);
printf(" \r\n nChans %d", Mp3FrameInfo.nChans);
printf(" \r\n Layer %d", Mp3FrameInfo.layer);
printf(" \r\n Version %d", Mp3FrameInfo.version);
printf(" \r\n OutputSamps %d", Mp3FrameInfo.outputSamps);
if(current_sample_rate >= I2S_AudioFreq_Default) //I2S_AudioFreq_Default = 2，正常的帧，每次都要改速率
{
I2S_Freq_Config(current_sample_rate); //根据采样率修改iis速率
}
}
/* 输出到DAC */
outputSamps = Mp3FrameInfo.outputSamps; //PCM数据个数
if (outputSamps > 0)
{
if (Mp3FrameInfo.nChans == 1) //单声道
{
//单声道数据需要复制一份到另一个声道
for (i = outputSamps - 1; i >= 0; i--)
{
outBuf[bufflag][i * 2] = outBuf[bufflag][i];
outBuf[bufflag][i * 2 + 1] = outBuf[bufflag][i];
}
outputSamps *= 2;
}
//非单声道数据可直接由DMA传输到IIS交给DAC
/* 等待DMA播放完，这段时间我们可以干其他的事，扫描事件进行处理 */
while((DMA1_Channel5->CCR&DMA_CCR1_EN) && !(DMA1->ISR&DMA1_IT_TC5))
{
even_process();
}
/*DMA传输完毕*/
DMA_ClearFlag(DMA1_FLAG_TC5 | DMA1_FLAG_TE5);
DMA_I2S_Configuration((uint32_t)outBuf[bufflag], outputSamps);
bufflag = 1 -bufflag; //切换buffer
}//if (outputSamps > 0)
}//else 解码正常
if(file.fptr==file.fsize) //如果指针指向了文件尾，表示数据全部读完
{
printf("END\r\n");
if(play_index<file_num-1) //自动开始下一首歌曲
{
play_index++;
player_state = S_SWITCH; //进入切歌状态，跳出
}
else
{
play_index = 0;
player_state = S_SWITCH;
}
break; //跳出这首歌的播放状态 while break;
}
}//循环2 内 while(player_state != S_SWITCH)
}//循环1 外 while(player_state != S_SWITCH)
f_close(&file); //结束播放本歌曲，关闭文件
MP3FreeDecoder(Mp3Decoder);
I2S_Stop();
}