Modbus with stm 32

Dependencies:   mbed

Committer:
lhakpa
Date:
Wed Mar 14 11:33:36 2018 +0000
Revision:
1:00f04cdf25aa
Parent:
0:40b96f9186c3
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lhakpa 0:40b96f9186c3 1 #ifndef MODBUS_H
lhakpa 0:40b96f9186c3 2 #define MODBUS_H
lhakpa 0:40b96f9186c3 3
lhakpa 0:40b96f9186c3 4 #define FUNC_CODE 3
lhakpa 0:40b96f9186c3 5 #define ADDR_BASE 0x0000
lhakpa 0:40b96f9186c3 6 #define ADDR_RANGE 2
lhakpa 0:40b96f9186c3 7 #define MAX_FRAME_SIZE 20
lhakpa 0:40b96f9186c3 8
lhakpa 0:40b96f9186c3 9 void modbus_init(uint8_t id);
lhakpa 0:40b96f9186c3 10 uint16_t modbus_read(uint16_t offset);
lhakpa 0:40b96f9186c3 11 uint16_t modbus_update(uint8_t offset, uint16_t val);
lhakpa 0:40b96f9186c3 12 int modbus_parser(char ch, uint8_t *frame);
lhakpa 0:40b96f9186c3 13
lhakpa 0:40b96f9186c3 14 #endif // MODBUS_H