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/* ... */
#include "main.h"
Includes
MTP_ObjectHandlesTypedef WavHandles;
uint32_t NumObs = 0;
Private variables
static uint8_t MTP_GetWavObjectHandles(void);
Private function prototypes
/* ... */
uint8_t MTP_Init(void)
{
static uint8_t is_initialized = 0;
uint8_t ret = 1;
if(is_initialized == 0)
{
if(USBH_MTP_IsReady(&hUSBHost) > 0)
{
if(USBH_MTP_GetNumObjects(&hUSBHost, 0, PTP_OFC_WAV, 0xFFFFFFFF, &NumObs) == USBH_OK)
{
if(MTP_GetWavObjectHandles() == 0)
{
is_initialized = 1;
ret = 0;
}if (MTP_GetWavObjectHandles() == 0) { ... }
}if (USBH_MTP_GetNumObjects(&hUSBHost, 0, PTP_OFC_WAV, 0xFFFFFFFF, &NumObs) == USBH_OK) { ... }
}if (USBH_MTP_IsReady(&hUSBHost) > 0) { ... }
}if (is_initialized == 0) { ... }
else
{
ret = 0;
}else { ... }
return ret;
}{ ... }
/* ... */
uint8_t MTP_ExploreWavFile(void)
{
uint8_t ret = 1;
uint32_t index;
MTP_ObjectInfoTypedef objectinfo;
MTP_Init();
if(USBH_MTP_IsReady(&hUSBHost) > 0)
{
LCD_UsrLog("\nAvailable wav files:\n");
if((NumObs = MTP_GetWavObjectNumber()) > 0)
{
if(MTP_GetWavObjectHandles() == 0)
{
ret = 0;
for (index = 0; index < NumObs; index ++)
{
if( USBH_MTP_GetObjectInfo(&hUSBHost,
WavHandles.Handler[index],
&objectinfo) == USBH_OK)
{
LCD_DbgLog(" %lu- %s\n", index, objectinfo.Filename);
}if (USBH_MTP_GetObjectInfo(&hUSBHost, WavHandles.Handler[index], &objectinfo) == USBH_OK) { ... }
else
{
ret = 1;
}else { ... }
}for (index = 0; index < NumObs; index ++) { ... }
}if (MTP_GetWavObjectHandles() == 0) { ... }
}if ((NumObs = MTP_GetWavObjectNumber()) > 0) { ... }
}if (USBH_MTP_IsReady(&hUSBHost) > 0) { ... }
else
{
LCD_ErrLog("MTP Device Not yet ready...\n");
}else { ... }
return ret;
}{ ... }
/* ... */
uint8_t MTP_GetData(uint32_t file_idx, uint32_t offset, uint32_t maxbytes, uint8_t *object, uint32_t *len)
{
USBH_MTP_GetPartialObject(&hUSBHost,
WavHandles.Handler[file_idx],
offset,
maxbytes,
object,
len);
return 0;
}{ ... }
/* ... */
uint16_t MTP_GetWavObjectNumber(void)
{
return NumObs;
}{ ... }
/* ... */
uint8_t MTP_GetWavObjectName(uint16_t object_index, uint8_t *filename)
{
uint8_t ret = 1;
MTP_ObjectInfoTypedef objectinfo;
if(USBH_MTP_GetObjectInfo(&hUSBHost, WavHandles.Handler[object_index], &objectinfo) == USBH_OK)
{
strcpy((char *)filename, (char *)objectinfo.Filename);
ret = 0;
}if (USBH_MTP_GetObjectInfo(&hUSBHost, WavHandles.Handler[object_index], &objectinfo) == USBH_OK) { ... }
return ret;
}{ ... }
/* ... */
static uint8_t MTP_GetWavObjectHandles(void)
{
uint8_t ret = 1;
if(USBH_MTP_GetObjectHandles(&hUSBHost, 0, PTP_OFC_WAV, 0xFFFFFFFF, &WavHandles) == USBH_OK)
{
ret = 0;
}if (USBH_MTP_GetObjectHandles(&hUSBHost, 0, PTP_OFC_WAV, 0xFFFFFFFF, &WavHandles) == USBH_OK) { ... }
return ret;
}{ ... }