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sendData
Sends data to the peripheral device. Specifies the arbitrary function of the device control program side, and passes JSON data made from a set of the property name and value.
For details, refer to the TM-DT Series Peripheral Device Control Guide.
Syntax
- (int)sendData:(NSString *)methodName data:NSString *)data; |
Parameter
methodName
Specifies the function name to be executed.
data
Specifies the parameter to be passed to the function in JSON string.
Return value
Error status |
Description |
---|---|
EPOS2_SUCCESS |
The function was executed successfully. |
EPOS2_ERR_PARAM |
An invalid parameter was passed. |
EPOS2_ERR_CONNECT |
Communication failed. |
EPOS2_ERR_MEMORY |
Sufficient memory required for processing could not be allocated. |
EPOS2_ERR_FAILURE |
An unknown error occurred. |
Quick Access
- Syntax
- Parameter
- Return value
- Introduction
- help
- Epos2OtherPeripheral class