- /**
- * main.c
- */
- #include <stdio.h>
- #include <stdlib.h>
- #include "tistdtypes.h"
- Uint8 waveHeader[44] = {
- 0x52, 0x49, 0x46, 0x46, 0x00, 0x00, 0x00, 0x00,
- 0x57, 0x41, 0x56, 0x45, 0x66, 0x6D, 0x74, 0x20,
- 0x10, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00,
- 0x40, 0x1F, 0x00, 0x00, 0x80, 0x3E, 0x00, 0x00,
- 0x02, 0x00, 0x10, 0x00, 0x64, 0x61, 0x74, 0x61,
- 0x00, 0x00, 0x00, 0x00
- };
- #define SIZE 1024
- Uint8 ch[SIZE];
- int main(void)
- {
- FILE *fp1, *fp2;
- Uint32 i;
- printf("Exp. 1.2 --- file IO\n");
- fp1 = fopen("..\\data\\C55DSPUSBStickAudioTest.pcm", "rb");
- if (fp1 == NULL) {
- printf("Failed to open output file 'C55DSPUSBStickAudioTest.pcm'\n");
- exit(0);
- }
- fp2 = fopen("..\\data\\C55DSPUSBStickAudioTest.wav", "wb");
- fseek(fp2, 44, 0);
- i = 0;
- size_t a = fread(ch, sizeof(Uint8), SIZE, fp1);
- Uint8 b = sizeof(Uint8);
- // while(fread(ch, sizeof(Uint8), SIZE, fp1) == SIZE)
- while(a == SIZE)
- {
- fwrite(ch, sizeof(Uint8), SIZE, fp2);
- i += SIZE;
- printf("%ld bytes processed\n", i);
- }
- waveHeader[40] = (Uint8)(i&0xff);
- waveHeader[41] = (Uint8)(i >> 8) & 0xff;
- waveHeader[42] = (Uint8)(i >> 16) & 0xff;
- waveHeader[43] = (Uint8)(i >> 24) & 0xff;
- waveHeader[4] = waveHeader[40];
- waveHeader[5] = waveHeader[41];
- waveHeader[6] = waveHeader[42];
- waveHeader[7] = waveHeader[43];
- rewind(fp2);
- fwrite(waveHeader, sizeof(Uint8), 44, fp2);
- fclose(fp1);
- fclose(fp2);
- printf("\nExp. completed\n");
- return 0;
- }
使用仿真器调试，fread总是返回0。文件路径没有问题。实在是不解，请大神指教。
楼主
