author | Florian Pose <fp@igh-essen.com> |
Mon, 10 Apr 2006 14:25:02 +0000 | |
changeset 178 | b84f69db8566 |
parent 154 | 94d780887be0 |
child 195 | 674071846ee3 |
permissions | -rw-r--r-- |
145
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1 |
/****************************************************************************** |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
2 |
* |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
3 |
* m a i l b o x . c |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
4 |
* |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
5 |
* Mailbox-Funktionen |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
6 |
* |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
7 |
* $Id$ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
8 |
* |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
9 |
*****************************************************************************/ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
10 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
11 |
#include <linux/slab.h> |
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Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
12 |
#include <linux/delay.h> |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
13 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
14 |
#include "mailbox.h" |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
15 |
#include "command.h" |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
16 |
#include "master.h" |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
17 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
18 |
/*****************************************************************************/ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
19 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
20 |
/** |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
21 |
Bereitet ein Mailbox-Send-Kommando vor. |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
22 |
*/ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
23 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
24 |
uint8_t *ec_slave_mbox_prepare_send(ec_slave_t *slave, /**< Slave */ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
25 |
uint8_t type, /**< Mailbox-Protokoll */ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
26 |
size_t size /**< Datengröße */ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
27 |
) |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
28 |
{ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
29 |
ec_command_t *command = &slave->mbox_command; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
30 |
size_t total_size; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
31 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
32 |
if (unlikely(!slave->sii_mailbox_protocols)) { |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
33 |
EC_ERR("Slave %i does not support mailbox communication!\n", |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
34 |
slave->ring_position); |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
35 |
return NULL; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
36 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
37 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
38 |
total_size = size + 6; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
39 |
if (unlikely(total_size > slave->sii_rx_mailbox_size)) { |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
40 |
EC_ERR("Data size does not fit in mailbox!\n"); |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
41 |
return NULL; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
42 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
43 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
44 |
if (ec_command_npwr(command, slave->station_address, |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
45 |
slave->sii_rx_mailbox_offset, |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
46 |
slave->sii_rx_mailbox_size)) |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
47 |
return NULL; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
48 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
49 |
EC_WRITE_U16(command->data, size); // Mailbox service data length |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
50 |
EC_WRITE_U16(command->data + 2, slave->station_address); // Station address |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
51 |
EC_WRITE_U8 (command->data + 4, 0x00); // Channel & priority |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
52 |
EC_WRITE_U8 (command->data + 5, type); // Underlying protocol type |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
53 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
54 |
return command->data + 6; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
55 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
56 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
57 |
/*****************************************************************************/ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
58 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
59 |
/** |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
60 |
Bereitet ein Kommando zum Abfragen des Mailbox-Zustandes vor. |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
61 |
*/ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
62 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
63 |
int ec_slave_mbox_prepare_check(ec_slave_t *slave /**< Slave */) |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
64 |
{ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
65 |
ec_command_t *command = &slave->mbox_command; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
66 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
67 |
// FIXME: Zweiter Sync-Manager nicht immer TX-Mailbox? |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
68 |
if (ec_command_nprd(command, slave->station_address, 0x808, 8)) |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
69 |
return -1; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
70 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
71 |
return 0; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
72 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
73 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
74 |
/*****************************************************************************/ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
75 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
76 |
/** |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
77 |
Liest den Mailbox-Zustand aus einem empfangenen Kommando. |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
78 |
*/ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
79 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
80 |
int ec_slave_mbox_check(const ec_slave_t *slave /**< Slave */) |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
81 |
{ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
82 |
return EC_READ_U8(slave->mbox_command.data + 5) & 8 ? 1 : 0; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
83 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
84 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
85 |
/*****************************************************************************/ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
86 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
87 |
/** |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
88 |
Bereitet ein Kommando zum Laden von Daten von der Mailbox vor. |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
89 |
*/ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
90 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
91 |
int ec_slave_mbox_prepare_fetch(ec_slave_t *slave /**< Slave */) |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
92 |
{ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
93 |
ec_command_t *command = &slave->mbox_command; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
94 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
95 |
if (ec_command_nprd(command, slave->station_address, |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
96 |
slave->sii_tx_mailbox_offset, |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
97 |
slave->sii_tx_mailbox_size)) return -1; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
98 |
return 0; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
99 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
100 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
101 |
/*****************************************************************************/ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
102 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
103 |
/** |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
104 |
Verarbeitet empfangene Mailbox-Daten. |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
105 |
*/ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
106 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
107 |
uint8_t *ec_slave_mbox_fetch(ec_slave_t *slave, /**< Slave */ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
108 |
uint8_t type, /**< Protokoll */ |
154
94d780887be0
Plugfest: Sch?nheitskorrekturen an Mailbox.
Florian Pose <fp@igh-essen.com>
parents:
145
diff
changeset
|
109 |
size_t *size /**< Größe der empfangenen Daten */ |
145
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
110 |
) |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
111 |
{ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
112 |
ec_command_t *command = &slave->mbox_command; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
113 |
size_t data_size; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
114 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
115 |
if ((EC_READ_U8(command->data + 5) & 0x0F) != type) { |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
116 |
EC_ERR("Unexpected mailbox protocol 0x%02X (exp.: 0x%02X) at" |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
117 |
" slave %i!\n", EC_READ_U8(command->data + 5), type, |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
118 |
slave->ring_position); |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
119 |
return NULL; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
120 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
121 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
122 |
if ((data_size = EC_READ_U16(command->data)) > |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
123 |
slave->sii_tx_mailbox_size - 6) { |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
124 |
EC_ERR("Currupt mailbox response detected!\n"); |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
125 |
return NULL; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
126 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
127 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
128 |
*size = data_size; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
129 |
return command->data + 6; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
130 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
131 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
132 |
/*****************************************************************************/ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
133 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
134 |
/** |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
135 |
Sendet und wartet auf den Empfang eines Mailbox-Kommandos. |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
136 |
*/ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
137 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
138 |
uint8_t *ec_slave_mbox_simple_io(ec_slave_t *slave, /**< Slave */ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
139 |
size_t *size /**< Größe der gelesenen |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
140 |
Daten */ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
141 |
) |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
142 |
{ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
143 |
uint8_t type; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
144 |
ec_command_t *command; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
145 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
146 |
command = &slave->mbox_command; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
147 |
type = EC_READ_U8(command->data + 5); |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
148 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
149 |
if (unlikely(ec_master_simple_io(slave->master, command))) { |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
150 |
EC_ERR("Mailbox checking failed on slave %i!\n", |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
151 |
slave->ring_position); |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
152 |
return NULL; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
153 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
154 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
155 |
return ec_slave_mbox_simple_receive(slave, type, size); |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
156 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
157 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
158 |
/*****************************************************************************/ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
159 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
160 |
/** |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
161 |
Wartet auf den Empfang eines Mailbox-Kommandos. |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
162 |
*/ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
163 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
164 |
uint8_t *ec_slave_mbox_simple_receive(ec_slave_t *slave, /**< Slave */ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
165 |
uint8_t type, /**< Protokoll */ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
166 |
size_t *size /**< Größe der gelesenen |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
167 |
Daten */ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
168 |
) |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
169 |
{ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
170 |
cycles_t start, end, timeout; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
171 |
ec_command_t *command; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
172 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
173 |
command = &slave->mbox_command; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
174 |
start = get_cycles(); |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
175 |
timeout = (cycles_t) 100 * cpu_khz; // 100ms |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
176 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
177 |
while (1) |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
178 |
{ |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
179 |
if (ec_slave_mbox_prepare_check(slave)) return NULL; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
180 |
if (unlikely(ec_master_simple_io(slave->master, command))) { |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
181 |
EC_ERR("Mailbox checking failed on slave %i!\n", |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
182 |
slave->ring_position); |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
183 |
return NULL; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
184 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
185 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
186 |
end = get_cycles(); |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
187 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
188 |
if (ec_slave_mbox_check(slave)) |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
189 |
break; // Proceed with receiving data |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
190 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
191 |
if ((end - start) >= timeout) { |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
192 |
EC_ERR("Mailbox check - Slave %i timed out.\n", |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
193 |
slave->ring_position); |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
194 |
return NULL; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
195 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
196 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
197 |
udelay(100); |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
198 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
199 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
200 |
if (ec_slave_mbox_prepare_fetch(slave)) return NULL; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
201 |
if (unlikely(ec_master_simple_io(slave->master, command))) { |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
202 |
EC_ERR("Mailbox receiving failed on slave %i!\n", |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
203 |
slave->ring_position); |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
204 |
return NULL; |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
205 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
206 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
207 |
if (unlikely(slave->master->debug_level) > 1) |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
208 |
EC_DBG("Mailbox receive took %ius.\n", ((u32) (end - start) * 1000 |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
209 |
/ cpu_khz)); |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
210 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
211 |
return ec_slave_mbox_fetch(slave, type, size); |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
212 |
} |
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
213 |
|
11a82e4fd31b
Mailbox-Interface ausgelagert, erster EOE-Ansatz.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
214 |
/*****************************************************************************/ |