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a50018c5
编写于
6月 16, 2022
作者:
S
solar_li
提交者:
GitHub
6月 16, 2022
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差异文件
[stm32][soft spi] implement soft spi (#6078)
* [stm32][soft spi] implement soft spi
上级
ada0e8f1
变更
7
隐藏空白更改
内联
并排
Showing
7 changed file
with
378 addition
and
1 deletion
+378
-1
bsp/stm32/libraries/HAL_Drivers/SConscript
bsp/stm32/libraries/HAL_Drivers/SConscript
+3
-0
bsp/stm32/libraries/HAL_Drivers/drv_soft_spi.c
bsp/stm32/libraries/HAL_Drivers/drv_soft_spi.c
+230
-0
bsp/stm32/libraries/HAL_Drivers/drv_soft_spi.h
bsp/stm32/libraries/HAL_Drivers/drv_soft_spi.h
+56
-0
bsp/stm32/stm32f407-atk-explorer/board/Kconfig
bsp/stm32/stm32f407-atk-explorer/board/Kconfig
+52
-0
bsp/stm32/stm32f407-atk-explorer/board/SConscript
bsp/stm32/stm32f407-atk-explorer/board/SConscript
+3
-0
bsp/stm32/stm32f407-atk-explorer/board/ports/soft_spi_flash_init.c
.../stm32f407-atk-explorer/board/ports/soft_spi_flash_init.c
+32
-0
components/drivers/spi/spi-bit-ops.h
components/drivers/spi/spi-bit-ops.h
+2
-1
未找到文件。
bsp/stm32/libraries/HAL_Drivers/SConscript
浏览文件 @
a50018c5
...
...
@@ -28,6 +28,9 @@ if GetDepend(['RT_USING_SPI']):
if
GetDepend
([
'RT_USING_QSPI'
]):
src
+=
[
'drv_qspi.c'
]
if
GetDepend
(
'RT_USING_SPI_BITOPS'
):
src
+=
[
'drv_soft_spi.c'
]
if
GetDepend
([
'RT_USING_I2C'
,
'RT_USING_I2C_BITOPS'
]):
if
GetDepend
(
'BSP_USING_I2C1'
)
or
GetDepend
(
'BSP_USING_I2C2'
)
or
GetDepend
(
'BSP_USING_I2C3'
)
or
GetDepend
(
'BSP_USING_I2C4'
):
src
+=
[
'drv_soft_i2c.c'
]
...
...
bsp/stm32/libraries/HAL_Drivers/drv_soft_spi.c
0 → 100644
浏览文件 @
a50018c5
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-6-14 solar first version
*/
#include <board.h>
#include "drv_soft_spi.h"
#include "drv_config.h"
#if defined(RT_USING_SPI) && defined(RT_USING_SPI_BITOPS) && defined(RT_USING_PIN)
//#define DRV_DEBUG
#define LOG_TAG "drv.soft_spi"
#include <drv_log.h>
static
struct
stm32_soft_spi_config
soft_spi_config
[]
=
{
#ifdef BSP_USING_SOFT_SPI1
SOFT_SPI1_BUS_CONFIG
,
#endif
#ifdef BSP_USING_SOFT_SPI2
SOFT_SPI2_BUS_CONFIG
,
#endif
};
/**
* Attach the spi device to soft SPI bus, this function must be used after initialization.
*/
rt_err_t
rt_hw_soft_spi_device_attach
(
const
char
*
bus_name
,
const
char
*
device_name
,
const
char
*
pin_name
)
{
rt_err_t
result
;
struct
rt_spi_device
*
spi_device
;
/* initialize the cs pin && select the slave*/
rt_base_t
cs_pin
=
rt_pin_get
(
pin_name
);
rt_pin_mode
(
cs_pin
,
PIN_MODE_OUTPUT
);
rt_pin_write
(
cs_pin
,
PIN_HIGH
);
/* attach the device to soft spi bus*/
spi_device
=
(
struct
rt_spi_device
*
)
rt_malloc
(
sizeof
(
struct
rt_spi_device
));
RT_ASSERT
(
spi_device
!=
RT_NULL
);
result
=
rt_spi_bus_attach_device
(
spi_device
,
device_name
,
bus_name
,
(
void
*
)
cs_pin
);
return
result
;
}
static
void
stm32_spi_gpio_init
(
struct
stm32_soft_spi
*
spi
)
{
struct
stm32_soft_spi_config
*
cfg
=
(
struct
stm32_soft_spi_config
*
)
spi
->
cfg
;
rt_pin_mode
(
cfg
->
sck
,
PIN_MODE_OUTPUT
);
rt_pin_mode
(
cfg
->
miso
,
PIN_MODE_INPUT
);
rt_pin_mode
(
cfg
->
mosi
,
PIN_MODE_OUTPUT
);
rt_pin_write
(
cfg
->
miso
,
PIN_HIGH
);
rt_pin_write
(
cfg
->
sck
,
PIN_HIGH
);
rt_pin_write
(
cfg
->
mosi
,
PIN_HIGH
);
}
void
stm32_tog_sclk
(
void
*
data
)
{
struct
stm32_soft_spi_config
*
cfg
=
(
struct
stm32_soft_spi_config
*
)
data
;
if
(
rt_pin_read
(
cfg
->
sck
)
==
PIN_HIGH
)
{
rt_pin_write
(
cfg
->
sck
,
PIN_LOW
);
}
else
{
rt_pin_write
(
cfg
->
sck
,
PIN_HIGH
);
}
}
void
stm32_set_sclk
(
void
*
data
,
rt_int32_t
state
)
{
struct
stm32_soft_spi_config
*
cfg
=
(
struct
stm32_soft_spi_config
*
)
data
;
if
(
state
)
{
rt_pin_write
(
cfg
->
sck
,
PIN_HIGH
);
}
else
{
rt_pin_write
(
cfg
->
sck
,
PIN_LOW
);
}
}
void
stm32_set_mosi
(
void
*
data
,
rt_int32_t
state
)
{
struct
stm32_soft_spi_config
*
cfg
=
(
struct
stm32_soft_spi_config
*
)
data
;
if
(
state
)
{
rt_pin_write
(
cfg
->
mosi
,
PIN_HIGH
);
}
else
{
rt_pin_write
(
cfg
->
mosi
,
PIN_LOW
);
}
}
void
stm32_set_miso
(
void
*
data
,
rt_int32_t
state
)
{
struct
stm32_soft_spi_config
*
cfg
=
(
struct
stm32_soft_spi_config
*
)
data
;
if
(
state
)
{
rt_pin_write
(
cfg
->
miso
,
PIN_HIGH
);
}
else
{
rt_pin_write
(
cfg
->
miso
,
PIN_LOW
);
}
}
rt_int32_t
stm32_get_sclk
(
void
*
data
)
{
struct
stm32_soft_spi_config
*
cfg
=
(
struct
stm32_soft_spi_config
*
)
data
;
return
rt_pin_read
(
cfg
->
sck
);
}
rt_int32_t
stm32_get_mosi
(
void
*
data
)
{
struct
stm32_soft_spi_config
*
cfg
=
(
struct
stm32_soft_spi_config
*
)
data
;
return
rt_pin_read
(
cfg
->
mosi
);
}
rt_int32_t
stm32_get_miso
(
void
*
data
)
{
struct
stm32_soft_spi_config
*
cfg
=
(
struct
stm32_soft_spi_config
*
)
data
;
return
rt_pin_read
(
cfg
->
miso
);
}
void
stm32_dir_mosi
(
void
*
data
,
rt_int32_t
state
)
{
struct
stm32_soft_spi_config
*
cfg
=
(
struct
stm32_soft_spi_config
*
)
data
;
if
(
state
)
{
rt_pin_mode
(
cfg
->
mosi
,
PIN_MODE_INPUT
);
}
else
{
rt_pin_mode
(
cfg
->
mosi
,
PIN_MODE_OUTPUT
);
}
}
void
stm32_dir_miso
(
void
*
data
,
rt_int32_t
state
)
{
struct
stm32_soft_spi_config
*
cfg
=
(
struct
stm32_soft_spi_config
*
)
data
;
if
(
state
)
{
rt_pin_mode
(
cfg
->
miso
,
PIN_MODE_INPUT
);
}
else
{
rt_pin_mode
(
cfg
->
miso
,
PIN_MODE_OUTPUT
);
}
}
static
void
stm32_udelay
(
rt_uint32_t
us
)
{
rt_uint32_t
ticks
;
rt_uint32_t
told
,
tnow
,
tcnt
=
0
;
rt_uint32_t
reload
=
SysTick
->
LOAD
;
ticks
=
us
*
reload
/
(
1000000UL
/
RT_TICK_PER_SECOND
);
told
=
SysTick
->
VAL
;
while
(
1
)
{
tnow
=
SysTick
->
VAL
;
if
(
tnow
!=
told
)
{
if
(
tnow
<
told
)
{
tcnt
+=
told
-
tnow
;
}
else
{
tcnt
+=
reload
-
tnow
+
told
;
}
told
=
tnow
;
if
(
tcnt
>=
ticks
)
{
break
;
}
}
}
}
static
struct
rt_spi_bit_ops
stm32_soft_spi_ops
=
{
.
data
=
RT_NULL
,
.
tog_sclk
=
stm32_tog_sclk
,
.
set_sclk
=
stm32_set_sclk
,
.
set_mosi
=
stm32_set_mosi
,
.
set_miso
=
stm32_set_miso
,
.
get_sclk
=
stm32_get_sclk
,
.
get_mosi
=
stm32_get_mosi
,
.
get_miso
=
stm32_get_miso
,
.
dir_mosi
=
stm32_dir_mosi
,
.
dir_miso
=
stm32_dir_miso
,
.
udelay
=
stm32_udelay
,
.
delay_us
=
1
,
};
static
struct
stm32_soft_spi
spi_obj
[
sizeof
(
soft_spi_config
)
/
sizeof
(
soft_spi_config
[
0
])];
/* Soft SPI initialization function */
int
rt_soft_spi_init
(
void
)
{
rt_size_t
obj_num
=
sizeof
(
spi_obj
)
/
sizeof
(
struct
stm32_soft_spi
);
rt_err_t
result
;
for
(
int
i
=
0
;
i
<
obj_num
;
i
++
)
{
stm32_soft_spi_ops
.
data
=
(
void
*
)
&
soft_spi_config
[
i
];
spi_obj
[
i
].
spi
.
ops
=
&
stm32_soft_spi_ops
;
spi_obj
[
i
].
cfg
=
(
void
*
)
&
soft_spi_config
[
i
];
stm32_spi_gpio_init
(
&
spi_obj
[
i
]);
result
=
rt_spi_bit_add_bus
(
&
spi_obj
[
i
].
spi
,
soft_spi_config
[
i
].
bus_name
,
&
stm32_soft_spi_ops
);
RT_ASSERT
(
result
==
RT_EOK
);
}
return
RT_EOK
;
}
INIT_BOARD_EXPORT
(
rt_soft_spi_init
);
#endif
/* defined(RT_USING_SPI) && defined(RT_USING_SPI_BITOPS) && defined(RT_USING_PIN) */
bsp/stm32/libraries/HAL_Drivers/drv_soft_spi.h
0 → 100644
浏览文件 @
a50018c5
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-6-14 solar first version
*/
#ifndef __DRV_SOFT_SPI__
#define __DRV_SOFT_SPI__
#include <rthw.h>
#include <rtdevice.h>
#include <spi-bit-ops.h>
/* stm32 soft spi config */
struct
stm32_soft_spi_config
{
rt_uint8_t
sck
;
rt_uint8_t
mosi
;
rt_uint8_t
miso
;
const
char
*
bus_name
;
};
/* stm32 soft spi dirver */
struct
stm32_soft_spi
{
struct
rt_spi_bit_obj
spi
;
struct
stm32_soft_spi_config
*
cfg
;
};
#ifdef BSP_USING_SOFT_SPI1
#define SOFT_SPI1_BUS_CONFIG \
{ \
.sck = BSP_S_SPI1_SCK_PIN, \
.mosi = BSP_S_SPI1_MOSI_PIN, \
.miso = BSP_S_SPI1_MISO_PIN, \
.bus_name = "sspi1", \
}
#endif
/* BSP_USING_SOFT_SPI1 */
#ifdef BSP_USING_SOFT_SPI2
#define SOFT_SPI2_BUS_CONFIG \
{ \
.sck = BSP_S_SPI2_SCK_PIN, \
.mosi = BSP_S_SPI2_MOSI_PIN, \
.miso = BSP_S_SPI2_MISO_PIN, \
.bus_name = "sspi2", \
}
#endif
/* BSP_USING_SOFT_SPI2 */
rt_err_t
rt_hw_soft_spi_device_attach
(
const
char
*
bus_name
,
const
char
*
device_name
,
const
char
*
pin_name
);
int
rt_soft_spi_init
(
void
);
#endif
/* __DRV_SOFT_SPI__ */
bsp/stm32/stm32f407-atk-explorer/board/Kconfig
浏览文件 @
a50018c5
...
...
@@ -79,6 +79,14 @@ menu "Onboard Peripheral Drivers"
select RT_SFUD_USING_SFDP
default n
config BSP_USING_SOFT_SPI_FLASH
bool "Enable soft SPI FLASH (W25Q128 sspi2)"
select BSP_USING_SOFT_SPI
select BSP_USING_SOFT_SPI2
select RT_USING_SFUD
select RT_SFUD_USING_SFDP
default n
config BSP_USING_EEPROM
bool "Enable I2C EEPROM (i2c1)"
select BSP_USING_I2C1
...
...
@@ -274,6 +282,50 @@ menu "On-chip Peripheral Drivers"
bool "Enable on-chip FLASH"
default n
menuconfig BSP_USING_SOFT_SPI
bool "Enable soft SPI BUS"
default n
select RT_USING_SPI
select RT_USING_SPI_BITOPS
select RT_USING_PIN
if BSP_USING_SOFT_SPI
menuconfig BSP_USING_SOFT_SPI1
bool "Enable soft SPI1 BUS (software simulation)"
default n
if BSP_USING_SOFT_SPI1
config BSP_S_SPI1_SCK_PIN
int "soft spi1 sck pin number"
range 1 176
default 16
config BSP_S_SPI1_MISO_PIN
int "soft spi1 miso pin number"
range 1 176
default 18
config BSP_S_SPI1_MOSI_PIN
int "soft spi1 mosi pin number"
range 1 176
default 91
endif
menuconfig BSP_USING_SOFT_SPI2
bool "Enable soft SPI2 BUS (software simulation)"
default n
if BSP_USING_SOFT_SPI2
config BSP_S_SPI2_SCK_PIN
int "soft spi2 sck pin number"
range 1 176
default 19
config BSP_S_SPI2_MISO_PIN
int "soft spi2 miso pin number"
range 1 176
default 20
config BSP_S_SPI2_MOSI_PIN
int "soft spi2 mosi pin number"
range 1 176
default 21
endif
endif
menuconfig BSP_USING_SPI
bool "Enable SPI BUS"
default n
...
...
bsp/stm32/stm32f407-atk-explorer/board/SConscript
浏览文件 @
a50018c5
...
...
@@ -18,6 +18,9 @@ path += [cwd + '/ports']
if
GetDepend
([
'BSP_USING_ETH'
]):
src
+=
Glob
(
'ports/phy_reset.c'
)
if
GetDepend
([
'BSP_USING_SOFT_SPI_FLASH'
]):
src
+=
Glob
(
'ports/soft_spi_flash_init.c'
)
if
GetDepend
([
'BSP_USING_SPI_FLASH'
]):
src
+=
Glob
(
'ports/spi_flash_init.c'
)
...
...
bsp/stm32/stm32f407-atk-explorer/board/ports/soft_spi_flash_init.c
0 → 100644
浏览文件 @
a50018c5
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-6-14 solar first version
*/
#include <rtthread.h>
#include "spi_flash.h"
#include "spi_flash_sfud.h"
#include "drv_spi.h"
#include "drv_soft_spi.h"
#ifdef BSP_USING_SOFT_SPI_FLASH
static
int
rt_soft_spi_flash_init
(
void
)
{
__HAL_RCC_GPIOB_CLK_ENABLE
();
rt_hw_soft_spi_device_attach
(
"sspi2"
,
"sspi20"
,
"PB.14"
);
if
(
RT_NULL
==
rt_sfud_flash_probe
(
"W25Q128"
,
"sspi20"
))
{
return
-
RT_ERROR
;
}
return
RT_EOK
;
}
INIT_COMPONENT_EXPORT
(
rt_soft_spi_flash_init
);
#endif
/* BSP_USING_SOFT_SPI_FLASH */
components/drivers/spi/spi-bit-ops.h
浏览文件 @
a50018c5
...
...
@@ -6,6 +6,7 @@
* Change Logs:
* Date Author Notes
* 2021-10-11 kyle first version
* 2022-6-14 solar Remove the const attribute of private data in ops
*/
#ifndef __SPI_BIT_OPS_H__
...
...
@@ -19,7 +20,7 @@ extern "C" {
struct
rt_spi_bit_ops
{
void
*
const
data
;
/* private data for lowlevel routines */
void
*
data
;
/* private data for lowlevel routines */
void
(
*
const
tog_sclk
)(
void
*
data
);
void
(
*
const
set_sclk
)(
void
*
data
,
rt_int32_t
state
);
void
(
*
const
set_mosi
)(
void
*
data
,
rt_int32_t
state
);
...
...
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