Pranav Thakur
/
daplink-validation
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Fork of
daplink-validation
by 
Russ Butler
main.cpp@1:db2a55107c7e, 2015-09-11 (annotated)
- Committer:
- c1728p9
- Date:
- Fri Sep 11 14:50:00 2015 +0000
- Revision:
- 1:db2a55107c7e
- Parent:
- 0:c4a3bb148a79
- Child:
- 2:204ef796ee06
Create test program for daplink
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| c1728p9 | 0:c4a3bb148a79 | 1 | #include "mbed.h" |
| c1728p9 | 1:db2a55107c7e | 2 | #include <stdio.h> |
| c1728p9 | 0:c4a3bb148a79 | 3 | |
| c1728p9 | 0:c4a3bb148a79 | 4 | Serial pc(USBTX, USBRX); |
| c1728p9 | 0:c4a3bb148a79 | 5 | |
| c1728p9 | 1:db2a55107c7e | 6 | int main() |
| c1728p9 | 1:db2a55107c7e | 7 | { |
| c1728p9 | 1:db2a55107c7e | 8 | uint32_t baud; |
| c1728p9 | 1:db2a55107c7e | 9 | uint32_t count; |
| c1728p9 | 1:db2a55107c7e | 10 | uint32_t index; |
| c1728p9 | 1:db2a55107c7e | 11 | uint32_t val; |
| c1728p9 | 1:db2a55107c7e | 12 | uint8_t str[64]; |
| c1728p9 | 0:c4a3bb148a79 | 13 | |
| c1728p9 | 1:db2a55107c7e | 14 | count = 0; |
| c1728p9 | 1:db2a55107c7e | 15 | index = 0; |
| c1728p9 | 1:db2a55107c7e | 16 | |
| c1728p9 | 0:c4a3bb148a79 | 17 | pc.baud(115200); |
| c1728p9 | 1:db2a55107c7e | 18 | pc.printf("{init}"); |
| c1728p9 | 0:c4a3bb148a79 | 19 | while(1) { |
| c1728p9 | 1:db2a55107c7e | 20 | while (1) { |
| c1728p9 | 1:db2a55107c7e | 21 | val = pc.getc(); |
| c1728p9 | 1:db2a55107c7e | 22 | |
| c1728p9 | 1:db2a55107c7e | 23 | // Check for overflow. Leave space for |
| c1728p9 | 1:db2a55107c7e | 24 | // a null terminating character |
| c1728p9 | 1:db2a55107c7e | 25 | if (index >= sizeof(str) - 1) { |
| c1728p9 | 1:db2a55107c7e | 26 | index = 0; |
| c1728p9 | 1:db2a55107c7e | 27 | } |
| c1728p9 | 1:db2a55107c7e | 28 | |
| c1728p9 | 1:db2a55107c7e | 29 | // Check for start of frame |
| c1728p9 | 1:db2a55107c7e | 30 | if ('{' == val) { |
| c1728p9 | 1:db2a55107c7e | 31 | index = 0; |
| c1728p9 | 1:db2a55107c7e | 32 | } |
| c1728p9 | 1:db2a55107c7e | 33 | |
| c1728p9 | 1:db2a55107c7e | 34 | // Check for end of frame |
| c1728p9 | 1:db2a55107c7e | 35 | str[index] = val; |
| c1728p9 | 1:db2a55107c7e | 36 | index++; |
| c1728p9 | 1:db2a55107c7e | 37 | |
| c1728p9 | 1:db2a55107c7e | 38 | // Check for end of frame |
| c1728p9 | 1:db2a55107c7e | 39 | if ('}' == val && index > 0) { |
| c1728p9 | 1:db2a55107c7e | 40 | str[index] = 0; |
| c1728p9 | 1:db2a55107c7e | 41 | count = sscanf((char*)str, "{baud:%i}", &baud); |
| c1728p9 | 1:db2a55107c7e | 42 | } |
| c1728p9 | 1:db2a55107c7e | 43 | |
| c1728p9 | 1:db2a55107c7e | 44 | // Echo back character |
| c1728p9 | 1:db2a55107c7e | 45 | pc.putc(val); |
| c1728p9 | 1:db2a55107c7e | 46 | |
| c1728p9 | 1:db2a55107c7e | 47 | // Set baud if there is a valid command |
| c1728p9 | 1:db2a55107c7e | 48 | if (count == 1) { |
| c1728p9 | 1:db2a55107c7e | 49 | wait(0.01f); |
| c1728p9 | 1:db2a55107c7e | 50 | pc.baud(baud); |
| c1728p9 | 1:db2a55107c7e | 51 | wait(0.01f); |
| c1728p9 | 1:db2a55107c7e | 52 | pc.printf("{change}"); |
| c1728p9 | 1:db2a55107c7e | 53 | count = 0; |
| c1728p9 | 1:db2a55107c7e | 54 | } |
| c1728p9 | 1:db2a55107c7e | 55 | } |
| c1728p9 | 0:c4a3bb148a79 | 56 | } |
| c1728p9 | 0:c4a3bb148a79 | 57 | } |