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b6373dbc
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b6373dbc
编写于
3月 09, 2021
作者:
B
Bernard Xiong
提交者:
GitHub
3月 09, 2021
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差异文件
Merge pull request #4351 from iysheng/master
[bsp][gd32103c-eval] Add internal rtc driver
上级
7a596e16
70217ef0
变更
4
显示空白变更内容
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4 changed file
with
149 addition
and
0 deletion
+149
-0
bsp/gd32103c-eval/Kconfig
bsp/gd32103c-eval/Kconfig
+6
-0
bsp/gd32103c-eval/README.md
bsp/gd32103c-eval/README.md
+1
-0
bsp/gd32103c-eval/drivers/SConscript
bsp/gd32103c-eval/drivers/SConscript
+3
-0
bsp/gd32103c-eval/drivers/drv_rtc.c
bsp/gd32103c-eval/drivers/drv_rtc.c
+139
-0
未找到文件。
bsp/gd32103c-eval/Kconfig
浏览文件 @
b6373dbc
...
...
@@ -100,4 +100,10 @@ menu "On-chip Peripheral Drivers"
bool "Enable Watchdog Timer"
select RT_USING_WDT
default n
config BSP_USING_RTC
bool "using internal rtc"
default n
select RT_USING_RTC
endmenu
bsp/gd32103c-eval/README.md
浏览文件 @
b6373dbc
...
...
@@ -48,6 +48,7 @@ msh />
| GPIO | 支持 | GPIOA~G |
| ADC | 支持 | ADC0~1 |
| HWTIMER | 支持 | TIMER0~7 |
| RTC | 支持 | RTC |
| WDT | 支持 | Free watchdog timer |
| IIC | 未支持 | I2C0~1 |
| SPI | 未支持 | SPI0~2 |
...
...
bsp/gd32103c-eval/drivers/SConscript
浏览文件 @
b6373dbc
...
...
@@ -24,6 +24,9 @@ if GetDepend('RT_USING_ADC'):
if
GetDepend
(
'RT_USING_HWTIMER'
):
src
+=
[
'drv_hwtimer.c'
]
if
GetDepend
(
'RT_USING_RTC'
):
src
+=
[
'drv_rtc.c'
]
if
GetDepend
(
'RT_USING_WDT'
):
src
+=
[
'drv_iwdt.c'
]
...
...
bsp/gd32103c-eval/drivers/drv_rtc.c
0 → 100644
浏览文件 @
b6373dbc
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-02-20 iysheng first version
*/
#include <board.h>
#include <sys/time.h>
#include <drivers/drv_comm.h>
#define DBG_TAG "drv.rtc"
#define DBG_LVL DBG_INFO
#include <rtdbg.h>
#ifdef RT_USING_RTC
typedef
struct
{
struct
rt_device
rtc_dev
;
}
gd32_rtc_device
;
static
gd32_rtc_device
g_gd32_rtc_dev
;
static
time_t
get_rtc_timestamp
(
void
)
{
time_t
rtc_counter
;
rtc_counter
=
(
time_t
)
RTC_GetCounter
();
return
rtc_counter
;
}
static
rt_err_t
set_rtc_timestamp
(
time_t
time_stamp
)
{
uint32_t
rtc_counter
;
rtc_counter
=
(
uint32_t
)
time_stamp
;
/* wait until LWOFF bit in RTC_CTL to 1 */
RTC_WaitLWOFF
();
/* enter configure mode */
RTC_EnterConfigMode
();
/* write data to rtc register */
RTC_SetCounter
(
rtc_counter
);
/* exit configure mode */
RTC_ExitConfigMode
();
/* wait until LWOFF bit in RTC_CTL to 1 */
RTC_WaitLWOFF
();
return
RT_EOK
;
}
static
rt_err_t
rt_gd32_rtc_control
(
rt_device_t
dev
,
int
cmd
,
void
*
args
)
{
rt_err_t
result
=
RT_EOK
;
RT_ASSERT
(
dev
!=
RT_NULL
);
switch
(
cmd
)
{
case
RT_DEVICE_CTRL_RTC_GET_TIME
:
*
(
rt_uint32_t
*
)
args
=
get_rtc_timestamp
();
break
;
case
RT_DEVICE_CTRL_RTC_SET_TIME
:
if
(
set_rtc_timestamp
(
*
(
rt_uint32_t
*
)
args
))
{
result
=
-
RT_ERROR
;
}
break
;
}
return
result
;
}
#ifdef RT_USING_DEVICE_OPS
const
static
struct
rt_device_ops
g_gd32_rtc_ops
=
{
RT_NULL
,
RT_NULL
,
RT_NULL
,
RT_NULL
,
RT_NULL
,
rt_gd32_rtc_control
};
#endif
static
int
rt_hw_rtc_init
(
void
)
{
rt_err_t
ret
;
time_t
rtc_counter
;
rcu_periph_clock_enable
(
RCU_PMU
);
PWR_BackupAccess_Enable
(
ENABLE
);
rcu_periph_clock_enable
(
RCU_BKPI
);
rtc_counter
=
get_rtc_timestamp
();
/* once the rtc clock source has been selected, if can't be changed
* anymore unless the Backup domain is reset */
rcu_bkp_reset_enable
();
rcu_bkp_reset_disable
();
rcu_periph_clock_enable
(
RCU_RTC
);
rcu_osci_on
(
RCU_LXTAL
);
if
(
SUCCESS
==
rcu_osci_stab_wait
(
RCU_LXTAL
))
{
/* set lxtal as rtc clock source */
rcu_rtc_clock_config
(
RCU_RTCSRC_LXTAL
);
}
set_rtc_timestamp
(
rtc_counter
);
#ifdef RT_USING_DEVICE_OPS
g_gd32_rtc_dev
.
rtc_dev
.
ops
=
&
g_gd32_rtc_ops
;
#else
g_gd32_rtc_dev
.
rtc_dev
.
init
=
RT_NULL
;
g_gd32_rtc_dev
.
rtc_dev
.
open
=
RT_NULL
;
g_gd32_rtc_dev
.
rtc_dev
.
close
=
RT_NULL
;
g_gd32_rtc_dev
.
rtc_dev
.
read
=
RT_NULL
;
g_gd32_rtc_dev
.
rtc_dev
.
write
=
RT_NULL
;
g_gd32_rtc_dev
.
rtc_dev
.
control
=
rt_gd32_rtc_control
;
#endif
g_gd32_rtc_dev
.
rtc_dev
.
type
=
RT_Device_Class_RTC
;
g_gd32_rtc_dev
.
rtc_dev
.
rx_indicate
=
RT_NULL
;
g_gd32_rtc_dev
.
rtc_dev
.
tx_complete
=
RT_NULL
;
g_gd32_rtc_dev
.
rtc_dev
.
user_data
=
RT_NULL
;
ret
=
rt_device_register
(
&
g_gd32_rtc_dev
.
rtc_dev
,
"rtc"
,
\
RT_DEVICE_FLAG_RDWR
);
if
(
ret
!=
RT_EOK
)
{
LOG_E
(
"failed register internal rtc device, err=%d"
,
ret
);
}
return
ret
;
}
INIT_DEVICE_EXPORT
(
rt_hw_rtc_init
);
#endif
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