8995e553f8dc6163e9910cdfd98f40681890217b
[aversive.git] / projects / microb2010 / ballboard / i2c_protocol.c
1 /*
2  *  Copyright Droids Corporation (2007)
3  * 
4  *  This program is free software; you can redistribute it and/or modify
5  *  it under the terms of the GNU General Public License as published by
6  *  the Free Software Foundation; either version 2 of the License, or
7  *  (at your option) any later version.
8  *
9  *  This program is distributed in the hope that it will be useful,
10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  *  GNU General Public License for more details.
13  *
14  *  You should have received a copy of the GNU General Public License
15  *  along with this program; if not, write to the Free Software
16  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17  *
18  *  Revision : $Id: i2c_protocol.c,v 1.3 2009-05-27 20:04:07 zer0 Exp $
19  *
20  */
21
22 #include <string.h>
23
24 #include <aversive.h>
25 #include <aversive/list.h>
26 #include <aversive/error.h>
27
28 #include <scheduler.h>
29
30 #include <i2c.h>
31 #include <ax12.h>
32 #include <uart.h>
33 #include <pwm_ng.h>
34 #include <clock_time.h>
35 #include <spi.h>
36
37 #include <pid.h>
38 #include <quadramp.h>
39 #include <control_system_manager.h>
40 #include <blocking_detection_manager.h>
41
42 #include <rdline.h>
43 #include <parse.h>
44 #include <parse_string.h>
45 #include <parse_num.h>
46
47 #include "../common/i2c_commands.h"
48 #include "main.h"
49 #include "actuator.h"
50
51 void i2c_protocol_init(void)
52 {
53 }
54
55 /*** LED CONTROL ***/
56 void i2c_led_control(uint8_t l, uint8_t state)
57 {
58         switch(l) {
59         case 1:
60                 state? LED1_ON():LED1_OFF();
61                 break;
62         case 2:
63                 state? LED2_ON():LED2_OFF();
64                 break;
65         default:
66                 break;
67         }
68 }
69
70 void i2c_send_status(void)
71 {
72         struct i2c_ans_ballboard_status ans;
73         i2c_flush();
74         ans.hdr.cmd =  I2C_ANS_BALLBOARD_STATUS;
75         ans.status = 0x55; /* XXX */
76
77         i2c_send(I2C_ADD_MASTER, (uint8_t *) &ans,
78                  sizeof(ans), I2C_CTRL_GENERIC);
79 }
80
81 void i2c_recvevent(uint8_t * buf, int8_t size)
82 {
83         void *void_cmd = buf;
84         static uint8_t a=0;
85         a=!a;
86         if (a)
87                 LED2_ON();
88         else
89                 LED2_OFF();
90
91         if (size <= 0) {
92                 goto error;
93         }
94         
95         switch (buf[0]) {
96
97         /* Commands (no answer needed) */
98         case I2C_CMD_GENERIC_LED_CONTROL: 
99                 {
100                         struct i2c_cmd_led_control *cmd = void_cmd;
101                         if (size != sizeof (*cmd))
102                                 goto error;
103                         i2c_led_control(cmd->led_num, cmd->state);
104                         break;
105                 }
106                 
107         case I2C_CMD_GENERIC_SET_COLOR:
108                 {
109                         struct i2c_cmd_generic_color *cmd = void_cmd;
110                         if (size != sizeof (*cmd))
111                                 goto error;
112                         ballboard.our_color = cmd->color;
113                         break;
114                 }
115
116
117         /* Add other commands here ...*/
118
119
120         case I2C_REQ_BALLBOARD_STATUS:
121                 {
122                         struct i2c_req_ballboard_status *cmd = void_cmd;                        
123                         if (size != sizeof (*cmd))
124                                 goto error;
125                                 
126                         i2c_send_status();
127                         break;
128                 }
129
130         default:
131                 goto error;
132         }
133
134  error:
135         /* log error on a led ? */
136         return;
137 }
138
139 void i2c_recvbyteevent(uint8_t hwstatus, uint8_t i, uint8_t c)
140 {
141 }
142
143 void i2c_sendevent(int8_t size)
144 {
145 }
146
147