chore: onewire

include/modbus_master.h

@@ -2,6 +2,7 @@
 #define __MODBUS_MASTER_H
 
 #include <stdint.h>
+#include <stdbool.h>
 
 // Function codes
 #define MODBUS_FC_READ_HOLDING_REGISTERS 0x03
@@ -51,6 +52,6 @@ void modbus_init(modbus_context_t* ctx,
                  void (*error_callback)(uint8_t));
 void modbus_set_timeout(modbus_context_t* ctx, uint32_t timeout_ms);
 void modbus_process(modbus_context_t* ctx);
-uint8_t modbus_send_request(modbus_context_t* ctx, uint8_t slave_addr,
+bool modbus_send_request(modbus_context_t* ctx, uint8_t slave_addr,
                             uint8_t function, uint16_t address, uint16_t value);
 #endif  // __MODBUS_MASTER_H