Handheld controller (RF) for Pi Swarm system
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Diff: communications.h
- Revision:
- 0:d63a63feb104
diff -r 000000000000 -r d63a63feb104 communications.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/communications.h Tue Jun 10 11:05:23 2014 +0000 @@ -0,0 +1,115 @@ +/******************************************************************************************* + * + * University of York Robot Lab Pi Swarm Library: Swarm Communications Handler + * + * (C) Dr James Hilder, Dept. Electronics & Computer Science, University of York + * + * Version 0.5 February 2014 + * + * Designed for use with the Pi Swarm Board (enhanced MBED sensor board) v1.2 + * + ******************************************************************************************/ + +#ifndef COMMUNICATIONS_H +#define COMMUNICATIONS_H + +// The swarm_member struct is used by the communication stack to store the status and results for RF commands and requests +// that have been sent. An array of [SWARM_SIZE] swarm_members is created. This contains a status flag for all of the +// standard requests and commands and a set of variables for data which can be collected. +// +// The status flags are set to the following values: +// 0 : "unused" - before any requests are sent +// 1 : "waiting" - a request or command has been sent and the result is not yet known +// 2 : "received" - a valid response to a request or command has been received +// 3 : "invalid" - an invalid response to a request or command has been received +struct swarm_member { + char status_rf_request_null; + char status_rf_request_left_motor_speed; + char status_rf_request_right_motor_speed; + char status_rf_request_button_state; + char status_rf_request_led_colour; + char status_rf_request_led_states; + char status_rf_request_battery; + char status_rf_request_light_sensor; + char status_rf_request_accelerometer; + char status_rf_request_gyroscope; + char status_rf_request_background_ir; + char status_rf_request_reflected_ir; + char status_rf_request_distance_ir; + char status_rf_request_line_following_ir; + char status_rf_request_uptime; + char status_rf_command_stop; + char status_rf_command_forward; + char status_rf_command_backward; + char status_rf_command_left; + char status_rf_command_right; + char status_rf_command_left_motor; + char status_rf_command_right_motor; + char status_rf_command_oled_colour; + char status_rf_command_cled_colour; + char status_rf_command_oled_state; + char status_rf_command_cled_state; + char status_rf_command_set_oled; + char status_rf_command_play_tune; + char status_rf_command_sync_time; + float left_motor_speed; + float right_motor_speed; + char button_state; + char outer_led_colour [3]; + char center_led_colour [3]; + char led_states[2]; + float battery; + float light_sensor; + float accelerometer[3]; + float gyro; + unsigned short background_ir[8]; + unsigned short reflected_ir[8]; + float distance_ir[8]; +}; + +void send_rf_message(char target, char command, char * data, char length); +void setup_communications(void); +void decodeMessage(char sender, char target, char id, char command, char * data, char length); +void send_response(char target, char is_broadcast, char success, char id, char is_command, char function, char * data, char length); +void tdma_response(); +void handle_command(char sender, char is_broadcast, char request_response, char id, char function, char * data, char length); +void handle_request(char sender, char is_broadcast, char request_response, char id, char function); +void processRadioData(char * data, char length); +void errormessage(int index); +void handle_response(char sender, char is_broadcast, char success, char id, char is_command, char function, char * data, char length); + +void send_rf_request_null ( char target ); +void send_rf_request_left_motor_speed ( char target ); +void send_rf_request_right_motor_speed ( char target ); +void send_rf_request_button_state ( char target ); +void send_rf_request_led_colour ( char target ); +void send_rf_request_led_states ( char target ); +void send_rf_request_battery ( char target ); +void send_rf_request_light_sensor ( char target ); +void send_rf_request_accelerometer ( char target ); +void send_rf_request_gyroscope ( char target ); +void send_rf_request_background_ir ( char target ); +void send_rf_request_reflected_ir ( char target ); +void send_rf_request_distance_ir ( char target ); +void send_rf_request_line_following_ir ( char target ); +void send_rf_request_uptime ( char target ); +void send_rf_command_stop ( char target, char request_response ); +void send_rf_command_forward ( char target, char request_response, float speed ); +void send_rf_command_backward ( char target, char request_response, float speed ); +void send_rf_command_left ( char target, char request_response, float speed ); +void send_rf_command_right ( char target, char request_response, float speed ); +void send_rf_command_left_motor ( char target, char request_response, float speed ); +void send_rf_command_right_motor ( char target, char request_response, float speed ); +void send_rf_command_oled_colour ( char target, char request_response, char red, char green, char blue ); +void send_rf_command_cled_colour ( char target, char request_response, char red, char green, char blue ); +void send_rf_command_oled_state ( char target, char request_response, char led0, char led1, char led2, char led3, char led4, char led5, char led6, char led7, char led8, char led9 ); +void send_rf_command_cled_state ( char target, char request_response, char enable ); +void send_rf_command_set_oled ( char target, char request_response, char oled, char enable ); +void send_rf_command_play_tune ( char target, char request_response, char * data, char length ); +void send_rf_command_sync_time ( char target, char request_response ); + + +const char * const requests_array[] = { "Req.Ack", "Req.LM", "Req.RM", "Req.But","Req.LEDCol","Req.LED","Req.Lgt","Req.Acc","Req.Gyro","Req.BIR","Req.RIR","Req.DIR","Req.LFS","Req.UpT","Req.???","Req.???"}; +const char * const commands_array[] = { "Cm.Stop","Cm.Fward","Cm.Bward","Cm.Left","Cm.Right","Cm.LMot","Cm.RMot","Cm.OLEDC","Cm.CLEDC","Cm.OLEDS","Cm.CLEDS","Cm.SetLED","Cm.Play","Cm.Sync","Cm.???","Cm.???"}; + +#endif //COMMUNICATIONS_H \ No newline at end of file