--- a/modbus/mb_runtime.h Mon Dec 21 22:26:36 2020 +0000
+++ b/modbus/mb_runtime.h Mon Dec 21 22:32:03 2020 +0000
@@ -158,19 +158,19 @@
u16 coms_buffer[REQ_BUF_SIZE];
pthread_mutex_t coms_buf_mutex; // mutex to access coms_buffer[]
/* boolean flag that will be mapped onto a (BOOL) located variable
- * (u16 because IEC 61131-3 BOOL are mapped onto u16 in C code! )
+ * (u8 because IEC 61131-3 BOOL are mapped onto u8 in C code! )
* -> allow PLC program to request when to start the MB transaction
* -> will be reset once the MB transaction has completed
*/
- u16 flag_exec_req;
+ u8 flag_exec_req;
/* flag that works in conjunction with flag_exec_req
- * (does not really need to be u16 as it is not mapped onto a located variable. )
+ * (does not really need to be u8 as it is not mapped onto a located variable. )
* -> used by internal logic to indicate that the client thread
* that will be executing the MB transaction
* requested by flag exec_req has already been activated.
* -> will be reset once the MB transaction has completed
*/
- u16 flag_exec_started;
+ u8 flag_exec_started;
/* flag that will be mapped onto a (BYTE) located variable
* (u8 because the flag is a BYTE! )
* -> will store the result of the last executed MB transaction