1 /* Copyright (C) 2014-2015 by Jacob Alexander
3 * This file is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 3 of the License, or
6 * (at your option) any later version.
8 * This file is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this file. If not, see <http://www.gnu.org/licenses/>.
19 // ----- Includes -----
29 typedef enum Command {
30 CableCheck = 0, // Comm check
31 IdRequest = 1, // Slave initialization (request id from master)
32 IdEnumeration = 2, // Slave initialization (begin enumeration from master)
33 IdReport = 3, // Slave initialization complete, report id to master
34 ScanCode = 4, // ScanCode event status change
35 Animation = 5, // Master trigger animation event (same command is sent back to master when ready)
39 typedef enum UARTStatus {
40 UARTStatus_Wait = 0, // Waiting Rx: for SYN Tx: for current command copy to finish
41 UARTStatus_SYN = 1, // Rx: SYN Received, waiting for SOH
42 UARTStatus_SOH = 2, // Rx: SOH Received, waiting for Command
43 UARTStatus_Command = 3, // Rx: Command Received, waiting for data
44 UARTStatus_Ready = 4, // Tx: Ready to send commands
49 // ----- Structs -----
51 // UART Connect Commands
53 // Cable Check Command
54 // Called on each UART every few seconds to make sure there is a connection
55 // Also used to make sure there aren't any serious problems with the cable with data corruption
56 // This command must pass before sending any other commands on the particular UART
57 // Each argument is always 0xD2 (11010010)
58 typedef struct CableCheckCommand {
65 // Issued by the slave device (non-master) whenever it is powered up
66 // Do not issue any commands until given an Id
67 // (Except for Cable Check and IdRequestCommand)
68 typedef struct IdRequestCommand {
72 // Id Enumeration Command
73 // Issued by the master whenever an Id Request is received
74 // XXX Future work may include an "external capabilities" list in this command
75 typedef struct IdEnumerationCommand {
78 } IdEnumerationCommand;
81 // Issued by each slave to the master when assigned an Id
82 // XXX Future work will include an "external capabilities" list in this command
83 typedef struct IdReportCommand {
89 // Sent from the slave to the master whenever there is a scan code state change
90 typedef struct ScanCodeCommand {
94 TriggerGuide firstScanCode[0];
98 // Initiated by the master whenever an animation id should modify it's state
99 // Then after the leaf slave node receives the command, send it back to the master
100 // On the way back, each device can begin the animation adjustment
102 // The master->leaf command should indicate to each device that it should finish sending the
103 // current slave->master data and wait for the leaf->master command
104 // This allows for a tighter synchronization of animation events
105 typedef struct AnimationCommand {
109 uint8_t firstParam[0];
114 // ----- Functions -----
116 void Connect_setup( uint8_t master );