| 45 | */ |
| 46 | |
| 47 | void waitForConversion(int fd, unsigned char *buffer, int n) |
| 48 | { |
| 49 | for (;;) { |
| 50 | ssize_t bytes_read = read(fd, buffer, n); |
| 51 | if (bytes_read != n) { |
| 52 | perror("Error reading from file descriptor"); |
| 53 | return; |
| 54 | } |
| 55 | |
| 56 | if ((buffer[n - 1] & 0x80) == 0) |
| 57 | break; |
| 58 | |
| 59 | delay(1); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | /* |
| 64 | * myAnalogRead: |