Diff: main.cpp

Revision:

10:1e59ae6a81df

Parent:

9:a1045daef81d

--- a/main.cpp	Wed Mar 22 14:37:49 2017 +0900
+++ b/main.cpp	Fri Dec 28 02:46:43 2018 +0000
@@ -1,158 +1,49 @@
 #include "mbed.h"
-#include "TLV320_RBSP.h"
-#include "FATFileSystem.h"
-#include "USBHostMSD.h"
-#include "dec_wav.h"
+#include "SdUsbConnect.h"
+#include "EasyPlayback.h"
+#include "EasyDec_WavCnv2ch.h"
 
-#if defined(TARGET_RZ_A1H)
-#include "usb_host_setting.h"
-#else
-#define USB_HOST_CH     0
-#endif
-
-#if (USB_HOST_CH == 1) //Audio Shield USB1
-DigitalOut usb1en(P3_8);
-#endif
-DigitalIn  button(USER_BUTTON0);
-
-#define AUDIO_WRITE_BUFF_SIZE  (4096)
-#define AUDIO_WRITE_BUFF_NUM   (9)
 #define FILE_NAME_LEN          (64)
-#define TEXT_SIZE              (64 + 1) //null-terminated
-#define FLD_PATH               "/usb/"
+#define MOUNT_NAME             "storage"
 
-//4 bytes aligned! No cache memory
-#if defined(__ICCARM__)
-#pragma data_alignment=4
-static uint8_t audio_write_buff[AUDIO_WRITE_BUFF_NUM][AUDIO_WRITE_BUFF_SIZE]@ ".mirrorram";
-#else
-static uint8_t audio_write_buff[AUDIO_WRITE_BUFF_NUM][AUDIO_WRITE_BUFF_SIZE]
-                __attribute((section("NC_BSS"),aligned(4)));
-#endif
-//Tag buffer
-static uint8_t title_buf[TEXT_SIZE];
-static uint8_t artist_buf[TEXT_SIZE];
-static uint8_t album_buf[TEXT_SIZE];
+static InterruptIn skip_btn(USER_BUTTON0);
+static EasyPlayback AudioPlayer;
 
-TLV320_RBSP audio(P10_13, I2C_SDA, I2C_SCL, P4_4, P4_5, P4_7, P4_6,
-                  0x80, (AUDIO_WRITE_BUFF_NUM - 1), 0);
-
-static void callback_audio_write_end(void * p_data, int32_t result, void * p_app_data) {
-    if (result < 0) {
-        printf("audio write callback error %d\n", result);
-    }
+static void skip_btn_fall(void) {
+    AudioPlayer.skip();
 }
 
 int main() {
-    rbsp_data_conf_t audio_write_async_ctl = {&callback_audio_write_end, NULL};
-    FILE * fp = NULL;
-    DIR  * d = NULL;
-    char file_path[sizeof(FLD_PATH) + FILE_NAME_LEN];
-    int buff_index = 0;
-    size_t audio_data_size;
-    dec_wav wav_file;
-    
-    FATFileSystem fs("usb");
-    USBHostMSD msd;
+    DIR  * d;
+    struct dirent * p;
+    char file_path[sizeof("/"MOUNT_NAME"/") + FILE_NAME_LEN];
+    SdUsbConnect storage(MOUNT_NAME);
 
-#if (USB_HOST_CH == 1) //Audio Shield USB1
-    //Audio Shield USB1 enable
-    usb1en = 1;        //Outputs high level
-    Thread::wait(5);
-    usb1en = 0;        //Outputs low level
-#endif
+    // decoder setting
+    AudioPlayer.add_decoder<EasyDec_WavCnv2ch>(".wav");
+    AudioPlayer.add_decoder<EasyDec_WavCnv2ch>(".WAV");
 
-    audio.power(0x02); // mic off
-    audio.inputVolume(0.7, 0.7);    
-
-    while(1) {
-        // try to connect a MSD device
-        while(!msd.connect()) {
-            Thread::wait(500);
-        }
-        
-        // Now that the MSD device is connected, file system is mounted.
-        fs.mount(&msd);
+    // volume control
+    AudioPlayer.outputVolume(0.5);  // Volume control (min:0.0 max:1.0)
 
-        // in a loop, append a file
-        // if the device is disconnected, we try to connect it again
-        while(1) {
-            // if device disconnected, try to connect again
-            if (!msd.connected()) {
-                break;
-            }
-            if (fp == NULL) {
-                // file search
-                if (d == NULL) {
-                    d = opendir(FLD_PATH);
-                }
-                struct dirent * p;
-                while ((p = readdir(d)) != NULL) {
-                    size_t len = strlen(p->d_name);
-                    if ((len > 4) && (len < FILE_NAME_LEN)
-                        && (memcmp(&p->d_name[len - 4], ".wav", 4) == 0)) {
-                        strcpy(file_path, FLD_PATH);
-                        strcat(file_path, p->d_name);
-                        fp = fopen(file_path, "r");
-                        if (wav_file.AnalyzeHeder(title_buf, artist_buf, album_buf,
-                                                   TEXT_SIZE, fp) == false) {
-                            fclose(fp);
-                            fp = NULL;
-                        } else if ((wav_file.GetChannel() != 2)
-                                || (audio.format(wav_file.GetBlockSize()) == false)
-                                || (audio.frequency(wav_file.GetSamplingRate()) == false)) {
-                            printf("Error File  :%s\n", p->d_name);
-                            printf("Audio Info  :%dch, %dbit, %dHz\n", wav_file.GetChannel(),
-                                    wav_file.GetBlockSize(), wav_file.GetSamplingRate());
-                            printf("\n");
-                            fclose(fp);
-                            fp = NULL;
-                        } else {
-                            printf("File        :%s\n", p->d_name);
-                            printf("Audio Info  :%dch, %dbit, %dHz\n", wav_file.GetChannel(),
-                                    wav_file.GetBlockSize(), wav_file.GetSamplingRate());
-                            printf("Title       :%s\n", title_buf);
-                            printf("Artist      :%s\n", artist_buf);
-                            printf("Album       :%s\n", album_buf);
-                            printf("\n");
-                            break;
-                        }
-                    }
-                }
-                if (p == NULL) {
-                    closedir(d);
-                    d = NULL;
-                }
-            } else {
-                // file read
-                uint8_t * p_buf = audio_write_buff[buff_index];
+    // button setting
+    skip_btn.fall(&skip_btn_fall);
 
-                audio_data_size = wav_file.GetNextData(p_buf, AUDIO_WRITE_BUFF_SIZE);
-                if (audio_data_size > 0) {
-                    audio.write(p_buf, audio_data_size, &audio_write_async_ctl);
-                    buff_index++;
-                    if (buff_index >= AUDIO_WRITE_BUFF_NUM) {
-                        buff_index = 0;
-                    }
-                }
+    while (1) {
+        storage.wait_connect();
+        // file search
+        d = opendir("/"MOUNT_NAME"/");
+        while ((p = readdir(d)) != NULL) {
+            size_t len = strlen(p->d_name);
+            if (len < FILE_NAME_LEN) {
+                // make file path
+                sprintf(file_path, "/%s/%s", MOUNT_NAME, p->d_name);
+                printf("%s\r\n", file_path);
 
-                // file close
-                if ((audio_data_size < AUDIO_WRITE_BUFF_SIZE) || (button == 0)) {
-                    fclose(fp);
-                    fp = NULL;
-                    Thread::wait(500);
-                }
+                // playback
+                AudioPlayer.play(file_path);
             }
         }
-
-        // close check
-        if (fp != NULL) {
-            fclose(fp);
-            fp = NULL;
-        }
-        if (d != NULL) {
-            closedir(d);
-            d = NULL;
-        }
+        closedir(d);
     }
 }