amiro-os / core / src / aos_rtcan.c @ 341cc329
History | View | Annotate | Download (4.82 KB)
1 | d2931db9 | Julian L | /*
|
---|---|---|---|
2 | AMiRo-OS is an operating system designed for the Autonomous Mini Robot (AMiRo) platform.
|
||
3 | Copyright (C) 2016..2018 Thomas Schöpping et al.
|
||
4 | |||
5 | This program is free software: you can redistribute it and/or modify
|
||
6 | it under the terms of the GNU General Public License as published by
|
||
7 | the Free Software Foundation, either version 3 of the License, or
|
||
8 | (at your option) any later version.
|
||
9 | |||
10 | This program is distributed in the hope that it will be useful,
|
||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
13 | GNU General Public License for more details.
|
||
14 | |||
15 | You should have received a copy of the GNU General Public License
|
||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
17 | */
|
||
18 | |||
19 | #include <hal.h> |
||
20 | #include <hal_can.h> |
||
21 | #include <hal_can_lld.h> |
||
22 | #include <aos_rtcan.h> |
||
23 | e7131d09 | Julian Leichert | #include <aos_thread.h> |
24 | #include <chthreads.h> |
||
25 | ece66d59 | Julian Leichert | #include <chtime.h> |
26 | #include <ch.h> |
||
27 | 7f37b11b | Julian Leichert | #include <stdbool.h> |
28 | d2931db9 | Julian L | #define True 1 |
29 | #define False 0 |
||
30 | 7f37b11b | Julian Leichert | #define HRTMSG 00 |
31 | #define SRTMSG 01 |
||
32 | #define NRTMSG 11 |
||
33 | 341cc329 | Julian Leichert | #define SLEEPTIME 20 |
34 | d2931db9 | Julian L | |
35 | ece66d59 | Julian Leichert | static THD_WORKING_AREA(myThreadWorkingArea, 128); |
36 | |||
37 | msgqueue_t hrtQueue; |
||
38 | msgqueue_t srtQueue; |
||
39 | msgqueue_t nrtQueue; |
||
40 | |||
41 | e7131d09 | Julian Leichert | /*
|
42 | * @brief transmit Message over CAN
|
||
43 | */
|
||
44 | d2931db9 | Julian L | msg_t rtcan_transmit(CANDriver *canp, canmbx_t mailbox, const CANTxFrame *ctfp){
|
45 | // call cantransmit, needed params driver, mailbox and tx frame
|
||
46 | |||
47 | msg_t transmit = canTransmitTimeout(canp,mailbox,ctfp,TIME_IMMEDIATE); |
||
48 | return transmit;
|
||
49 | } |
||
50 | |||
51 | e7131d09 | Julian Leichert | /*
|
52 | * @brief receive Message over CAN
|
||
53 | */
|
||
54 | d2931db9 | Julian L | msg_t rtcan_receive(CANDriver *canp, canmbx_t mailbox,CANRxFrame *crfp){ |
55 | // call lld cantransmit, needed params driver, mailbox and rx frame
|
||
56 | return canReceiveTimeout(canp,mailbox,crfp,TIME_IMMEDIATE);
|
||
57 | } |
||
58 | |||
59 | e7131d09 | Julian Leichert | bool pushRTCanMsgSorted(rtcan_msg_t *msg,msgqueue_t* msgqueue){
|
60 | ece66d59 | Julian Leichert | |
61 | rtcan_msg_t * prevElem = msgqueue->head; |
||
62 | rtcan_msg_t * compareElem = prevElem->next; |
||
63 | |||
64 | while(ST2MS(msg->deadline) >= ST2MS(compareElem->deadline)){
|
||
65 | if(compareElem->next != NULL){ |
||
66 | prevElem = compareElem; |
||
67 | compareElem = compareElem->next; |
||
68 | }else{
|
||
69 | prevElem->next = msg; |
||
70 | msgqueue->tail = msg; |
||
71 | 341cc329 | Julian Leichert | msgqueue->size++; |
72 | ece66d59 | Julian Leichert | return true; |
73 | } |
||
74 | } |
||
75 | if(compareElem!= NULL){ |
||
76 | msg->next = compareElem; |
||
77 | } |
||
78 | e7131d09 | Julian Leichert | return false; |
79 | d2931db9 | Julian L | } |
80 | |||
81 | e7131d09 | Julian Leichert | /*
|
82 | * @brief push Message to its Queue, based on type of Message
|
||
83 | */
|
||
84 | 7f37b11b | Julian Leichert | bool pushRTCanMsg(rtcan_msg_t *msg,msgqueue_t* msgqueue){
|
85 | e7131d09 | Julian Leichert | if(msg != NULL){ |
86 | if(msgqueueEmpty(msgqueue)){
|
||
87 | b85b6b26 | Julian Leichert | queueInit(msg,msgqueue); |
88 | 7f37b11b | Julian Leichert | return true; |
89 | e7131d09 | Julian Leichert | } |
90 | msgqueue->tail->next = msg; |
||
91 | 5766017b | Julian Leichert | msg->next = NULL;
|
92 | e7131d09 | Julian Leichert | msgqueue->tail = msg; |
93 | msgqueue->size++; |
||
94 | 7f37b11b | Julian Leichert | return true; |
95 | d2931db9 | Julian L | } |
96 | 7f37b11b | Julian Leichert | return false; |
97 | d2931db9 | Julian L | } |
98 | |||
99 | e7131d09 | Julian Leichert | /*
|
100 | * @brief dequeue Message from Queue
|
||
101 | */
|
||
102 | rtcan_msg_t* popRTCanMsg(msgqueue_t* msgqueue){ |
||
103 | 7f37b11b | Julian Leichert | //todo special case head = tail
|
104 | ece66d59 | Julian Leichert | if(!msgqueueEmpty(msgqueue)){
|
105 | rtcan_msg_t *elem = msgqueue->head; |
||
106 | msgqueue->head = elem->next; |
||
107 | 341cc329 | Julian Leichert | msgqueue->size--; |
108 | ece66d59 | Julian Leichert | return elem;
|
109 | } |
||
110 | return NULL; |
||
111 | } |
||
112 | |||
113 | /*
|
||
114 | * @brief init Message Queue
|
||
115 | */
|
||
116 | b85b6b26 | Julian Leichert | void queueInit(rtcan_msg_t *head,msgqueue_t* msgqueue){
|
117 | msgqueue->size = 0;
|
||
118 | msgqueue->head = head; |
||
119 | msgqueue->tail = head; |
||
120 | head->next = NULL;
|
||
121 | msgqueue->size++; |
||
122 | d2931db9 | Julian L | } |
123 | |||
124 | 7f37b11b | Julian Leichert | // Handling Message Queues
|
125 | |||
126 | 341cc329 | Julian Leichert | bool enqueueMsg(uint8_t *payload, uint8_t msgType, aos_timestamp_t deadline){
|
127 | 6d56ad8d | Julian Leichert | static rtcan_msg_t msg;
|
128 | 7f37b11b | Julian Leichert | msg.payload = payload; |
129 | msg.msgType = msgType; |
||
130 | msg.deadline = deadline; |
||
131 | if(msgType == HRTMSG){
|
||
132 | return pushRTCanMsg(&msg,&hrtQueue);
|
||
133 | }else if(msgType == SRTMSG){ |
||
134 | return pushRTCanMsgSorted(&msg,&srtQueue);
|
||
135 | }else if(msgType == NRTMSG){ |
||
136 | return pushRTCanMsg(&msg,&nrtQueue);
|
||
137 | } |
||
138 | return false; |
||
139 | } |
||
140 | |||
141 | 341cc329 | Julian Leichert | u_int32_t createId(rtcan_msg_t *msg, uint8_t msgType){ |
142 | // first 6 bit laxity
|
||
143 | // 6-21 id
|
||
144 | // 21-29 fragment
|
||
145 | u_int32_t id = 0;
|
||
146 | aos_timestamp_t uptime; |
||
147 | aosSysGetUptime(&uptime); |
||
148 | |||
149 | uint32_t uptimeMcs = (uint32_t)(uptime / MICROSECONDS_PER_DAY); |
||
150 | |||
151 | |||
152 | } |
||
153 | |||
154 | 7f37b11b | Julian Leichert | |
155 | e7131d09 | Julian Leichert | /**
|
156 | * @brief schedule rtcan messages into mailboxes
|
||
157 | */
|
||
158 | d2931db9 | Julian L | |
159 | ece66d59 | Julian Leichert | static msg_t Thread(void *arg){ |
160 | (void)arg;
|
||
161 | chRegSetThreadName("RTCAN Timer");
|
||
162 | 2538f3de | Julian Leichert | int nextSlot; // set by while loop from calendar |
163 | ece66d59 | Julian Leichert | |
164 | 7f37b11b | Julian Leichert | while (true){ |
165 | 341cc329 | Julian Leichert | // send Frame of Timeslot
|
166 | 2538f3de | Julian Leichert | // iterate over calendar(bitmask)
|
167 | rtcan_msg_t *nextMsg; |
||
168 | 341cc329 | Julian Leichert | chThdSleepMilliseconds( SLEEPTIME ); |
169 | 2538f3de | Julian Leichert | if(nextSlot == 1){ |
170 | nextMsg = popRTCanMsg(&hrtQueue); |
||
171 | }else{
|
||
172 | if(!msgqueueEmpty(srtQueue)){
|
||
173 | nextMsg = popRTCanMsg(&srtQueue); |
||
174 | }else{
|
||
175 | nextMsg = popRTCanMsg(&nrtQueue); |
||
176 | } |
||
177 | } |
||
178 | 341cc329 | Julian Leichert | if(nextMsg != NULL){ |
179 | // create frame
|
||
180 | // frame needs id, payload(later) and ___
|
||
181 | // place it in Mailbox to be sent in next time slot
|
||
182 | } |
||
183 | // maybe send empty message if no message to reduce jitter????
|
||
184 | chThdSleepMilliseconds( SLEEPTIME ); |
||
185 | ece66d59 | Julian Leichert | } |
186 | d2931db9 | Julian L | |
187 | ece66d59 | Julian Leichert | return 0; |
188 | } |
||
189 | d2931db9 | Julian L | /** empty or clear?*/
|
190 | int msgqueueEmpty(msgqueue_t* mqueue){
|
||
191 | if(mqueue == NULL){ |
||
192 | 7f37b11b | Julian Leichert | return true; |
193 | d2931db9 | Julian L | } |
194 | 7f37b11b | Julian Leichert | return false; |
195 | d2931db9 | Julian L | } |
196 | //TODO: ISR
|
||
197 | //TODO: Params |