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9ce110df
Commit
9ce110df
authored
May 19, 2022
by
Adam Wujek
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main_fw/i2c: add CAPABILITY register
Signed-off-by:
Adam Wujek
<
dev_public@wujek.eu
>
parent
7002cd24
Pipeline
#3701
passed with stage
in 44 seconds
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3
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3 changed files
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36 additions
and
0 deletions
+36
-0
i2c_slave.h
common/include/i2c_slave.h
+3
-0
firmware.rst
doc/source/firmware.rst
+24
-0
i2c_impl.c
main_fw/src/i2c_impl.c
+9
-0
No files found.
common/include/i2c_slave.h
View file @
9ce110df
...
...
@@ -10,6 +10,9 @@
typedef
void
(
*
fp_t
)(
void
);
/* Defines for CAPABILITY */
#define CAPABILITY_PEC 0x80
/* Defines for STATUS_BYTE */
#define STATUS_CML 0x1
...
...
doc/source/firmware.rst
View file @
9ce110df
...
...
@@ -213,6 +213,30 @@ parameter are :math:`0 \leq N \leq 3` for the DI/OT Rad-Tol System
Board revision and :math:`0 \leq N \leq 2` for the fan-tray, RaToPUS
and generic prototype revisions.
.. _CAPABILITY:
CAPABILITY
~~~~~~~~~~
| Command code: **19**
| Transaction type: **Byte read**
| Data length: **1**
The CAPABILITY command returns one byte of information with some key
capabilities of a PMBus device.
.. table:: CAPABILITY Data byte format
+--------+------------------------------------------------------+
| Bit(s) | Meaning |
+--------+------------------------------------------------------+
| 7 | Packet Error Checking is supported |
+--------+------------------------------------------------------+
| 6:0 | Unused |
+--------+------------------------------------------------------+
Bit 7 of the CAPABILITY register reflects the use of PEC set by the USE_PEC_ register.
.. _QUERY:
QUERY
...
...
main_fw/src/i2c_impl.c
View file @
9ce110df
...
...
@@ -78,7 +78,9 @@ uint32_t TMR_ERROR_CNT;
static
uint8_t
dummy_byte
;
static
uint8_t
fw_type
=
FW_MAIN
;
static
uint8_t
capablity
;
void
get_capablity
(
void
);
void
get_frpms
(
void
);
void
set_frpms
();
uint16_t
setfrpms_lin
[
3
];
...
...
@@ -109,6 +111,7 @@ void boot_new_fw();
enum
{
cmd_0x00
=
0
,
cmd_0x19
,
cmd_0x1A
,
cmd_0x20
,
cmd_0x3A
,
...
...
@@ -148,6 +151,7 @@ enum {
/* "- 1" to avoid adding null char at the end of a string */
static
const
int8_t
cmd_data_lengths
[]
=
{
[
cmd_0x00
]
=
1
,
[
cmd_0x19
]
=
1
,
[
cmd_0x1A
]
=
-
1
,
[
cmd_0x20
]
=
1
,
[
cmd_0x3A
]
=
1
,
...
...
@@ -189,6 +193,7 @@ static int8_t cmd_data_length_query = -1;
static
const
cmd_t
cmds_cmds
[]
=
(
cmd_t
[]){
{
0x00
,
(
int8_t
*
)
&
cmd_data_lengths
[
cmd_0x00
],
(
uint8_t
*
)
&
page_tmp
,
(
fp_t
)
NULL
,
&
page_chk
,
(
fp_t
)
NULL
,
QUERY_WR
|
QUERY_RD
|
QUERY_FMT_8B
,
0
},
{
0x19
,
(
int8_t
*
)
&
cmd_data_lengths
[
cmd_0x19
],
(
uint8_t
*
)
&
capablity
,
&
get_capablity
,
(
fp_t
)
NULL
,
(
fp_t
)
NULL
,
QUERY_RD
,
0
},
{
0x1A
,
(
int8_t
*
)
&
cmd_data_length_query
,
(
uint8_t
*
)
&
query_r
,
(
fp_t
)
NULL
,
&
query_prp
,
(
fp_t
)
NULL
,
QUERY_WR
,
1
},
{
0x20
,
(
int8_t
*
)
&
cmd_data_lengths
[
cmd_0x20
],
(
uint8_t
*
)
&
vout_mode
,
(
fp_t
)
NULL
,
(
fp_t
)
NULL
,
(
fp_t
)
NULL
,
QUERY_RD
,
1
},
{
0x3A
,
(
int8_t
*
)
&
cmd_data_lengths
[
cmd_0x3A
],
(
uint8_t
*
)
&
fan_config_1_2
,
&
get_fan_configs
,
&
fan_config
,
(
fp_t
)
NULL
,
QUERY_WR
|
QUERY_RD
|
QUERY_FMT_NAN
,
0
},
...
...
@@ -270,6 +275,10 @@ void __xMR page_chk()
page
=
page_tmp
;
}
void
__xMR
get_capablity
()
{
capablity
=
use_pec
?
CAPABILITY_PEC
:
0
;
}
void
__xMR
accvolt
()
{
...
...
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