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Ex_SYN6288_chenyiming_copy
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SYN6288.cpp@2:a2acba0829a8, 2019-11-20 (annotated)
- Committer:
- brainliang
- Date:
- Wed Nov 20 12:27:02 2019 +0000
- Revision:
- 2:a2acba0829a8
copy
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
brainliang | 2:a2acba0829a8 | 1 | #include "SYN6288.h" |
brainliang | 2:a2acba0829a8 | 2 | void voice_play(std::string value, Serial* ser) |
brainliang | 2:a2acba0829a8 | 3 | { |
brainliang | 2:a2acba0829a8 | 4 | voice_play(value.c_str(), ser); |
brainliang | 2:a2acba0829a8 | 5 | } |
brainliang | 2:a2acba0829a8 | 6 | void voice_play(char* value, Serial* ser) { |
brainliang | 2:a2acba0829a8 | 7 | int size = strlen(value); |
brainliang | 2:a2acba0829a8 | 8 | int data_length = 1+2+1+1+size; |
brainliang | 2:a2acba0829a8 | 9 | int* data = (int*)malloc(sizeof(int)*(data_length+1)); |
brainliang | 2:a2acba0829a8 | 10 | |
brainliang | 2:a2acba0829a8 | 11 | int start = 0xfd; |
brainliang | 2:a2acba0829a8 | 12 | int length = size + 3; |
brainliang | 2:a2acba0829a8 | 13 | int length_h = length / 256; |
brainliang | 2:a2acba0829a8 | 14 | int length_l = length % 256; |
brainliang | 2:a2acba0829a8 | 15 | int command = 0x01; |
brainliang | 2:a2acba0829a8 | 16 | int param = 0x01; |
brainliang | 2:a2acba0829a8 | 17 | |
brainliang | 2:a2acba0829a8 | 18 | data[0] = start; |
brainliang | 2:a2acba0829a8 | 19 | data[1] = length_h; |
brainliang | 2:a2acba0829a8 | 20 | data[2] = length_l; |
brainliang | 2:a2acba0829a8 | 21 | data[3] = command; |
brainliang | 2:a2acba0829a8 | 22 | data[4] = param; |
brainliang | 2:a2acba0829a8 | 23 | |
brainliang | 2:a2acba0829a8 | 24 | for (int i=5; i<5+size; i++) { |
brainliang | 2:a2acba0829a8 | 25 | data[i] = value[i-5]; |
brainliang | 2:a2acba0829a8 | 26 | } |
brainliang | 2:a2acba0829a8 | 27 | |
brainliang | 2:a2acba0829a8 | 28 | // calculate check bit |
brainliang | 2:a2acba0829a8 | 29 | int check_bit = data[0]; |
brainliang | 2:a2acba0829a8 | 30 | for (int i=1; i<data_length; i++) { |
brainliang | 2:a2acba0829a8 | 31 | check_bit ^= data[i]; |
brainliang | 2:a2acba0829a8 | 32 | } |
brainliang | 2:a2acba0829a8 | 33 | data[data_length] = check_bit; |
brainliang | 2:a2acba0829a8 | 34 | |
brainliang | 2:a2acba0829a8 | 35 | for (int i=0; i<=data_length; i++) { |
brainliang | 2:a2acba0829a8 | 36 | ser->putc(data[i]); |
brainliang | 2:a2acba0829a8 | 37 | } |
brainliang | 2:a2acba0829a8 | 38 | |
brainliang | 2:a2acba0829a8 | 39 | free(data); |
brainliang | 2:a2acba0829a8 | 40 | |
brainliang | 2:a2acba0829a8 | 41 | //int recv = ser->getc(); |
brainliang | 2:a2acba0829a8 | 42 | //PC.printf("%c", recv); |
brainliang | 2:a2acba0829a8 | 43 | //int done = ser->getc(); |
brainliang | 2:a2acba0829a8 | 44 | //PC.printf("%c", done); |
brainliang | 2:a2acba0829a8 | 45 | } |
brainliang | 2:a2acba0829a8 | 46 |