This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision | Last revision Both sides next revision | ||
|
modbus [2011/11/07 16:39] jap |
modbus [2011/11/07 16:40] jap |
||
|---|---|---|---|
| Line 41: | Line 41: | ||
| Source code of mbtest.c: | Source code of mbtest.c: | ||
| - | <code> | + | <file> |
| #include <stdio.h> | #include <stdio.h> | ||
| #include <modbus.h> | #include <modbus.h> | ||
| Line 78: | Line 78: | ||
| return -1; | return -1; | ||
| } | } | ||
| - | /* | + | |
| - | if ( modbus_rtu_set_serial_mode(ctx, MODBUS_RTU_RS485) ) | + | |
| - | { | + | |
| - | fprintf(stderr, | + | |
| - | "Failed to set modbus mode\n"); | + | |
| - | errno = -1; | + | |
| - | // goto fail; | + | |
| - | } | + | |
| - | */ | + | |
| if ( modbus_set_slave(ctx, MB_SLAVE_ADDRESS) ) | if ( modbus_set_slave(ctx, MB_SLAVE_ADDRESS) ) | ||
| { | { | ||
| Line 127: | Line 119: | ||
| return errno; | return errno; | ||
| } | } | ||
| - | </code> | + | </file> |