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Author: MIKROE
Last Updated: 2018-05-17
Package Version: 1.0.0.0
mikroSDK Library: 1.0.0.0
Category: Sub-1 GHz Transceivers
Downloaded: 5164 times
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License: MIT license
OOK TX click is a simple wireless transmitter that operates at the frequency of 433MHz (sub-GHz). This device allows realization of a simple, low-speed wireless ad hoc communication network between a transmitter and compatible receiver, such as the OOK RX click.
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Library description
This library contains functions required to setup OOK communication.
Key functions
uint8_t ooktx_communicationInit(uint8_t calibration, uint8_t configuration, uint16_t configurationSettings) - Initializes communication with the click
uint8_t ooktx_communicationTransmit(uint8_t transmitData) - Transmits data via OOK
uint8_t ooktx_communicationStop() - Sends a stop condition
The application is composed of three sections :
void applicationTask() { uint8_t i; uint8_t j; i = 1; while(1) { //Signals the device to start ook communication ooktx_communicationInit(_OOKTX_CALIBRATION_ENABLE, _OOKTX_CONFIGURATION_ENABLE, _OOKTX_CFG_DEFAULT); //Sends a sufficiently long preambule - 8 bytes of "01010101" sequence for (j = 0; j < 8; j++) { ooktx_communicationTransmit(_OOKTX_PREAMBULE); } /* * Sends 2 "Start packet" bytes - To help the receiver to differentiate * actual data packages from signal glitches. These bytes can be any * random number, as long as receiver knows what to expect. */ ooktx_communicationTransmit(0xCE); ooktx_communicationTransmit(0x35); //Data byte to be transmitted ooktx_communicationTransmit(i); //Stops ook communication ooktx_communicationStop(); delay_ms(1000); i ++; } }