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ZhangYiXiSucceedZhangYiXiSucceed
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[bsp][gd32]:gd32vw553h-eval add wdt support
1 parent a69d381 commit 45b3670

3 files changed

Lines changed: 216 additions & 3 deletions

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‎bsp/gd32/risc-v/gd32vw553h-eval/board/Kconfig‎

Lines changed: 33 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -56,6 +56,26 @@ menu "On-chip Peripheral Drivers"
5656
depends on BSP_USING_UART2
5757
select RT_SERIAL_USING_DMA
5858
default n
59+
60+
config BSP_USING_UART3
61+
bool "Enable UART3"
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default n
63+
64+
config BSP_UART3_RX_USING_DMA
65+
bool "Enable UART3 RX DMA"
66+
depends on BSP_USING_UART3
67+
select RT_SERIAL_USING_DMA
68+
default n
69+
70+
config BSP_USING_UART4
71+
bool "Enable UART4"
72+
default n
73+
74+
config BSP_UART4_RX_USING_DMA
75+
bool "Enable UART4 RX DMA"
76+
depends on BSP_USING_UART4
77+
select RT_SERIAL_USING_DMA
78+
default n
5979
endif
6080

6181
menuconfig BSP_USING_PWM
@@ -80,8 +100,19 @@ menu "On-chip Peripheral Drivers"
80100
default n
81101
endif
82102

83-
84-
103+
menuconfig BSP_USING_WDT
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bool "Enable WDT"
105+
default n
106+
select RT_USING_WDT
107+
if BSP_USING_WDT
108+
config BSP_USING_FWDT
109+
bool "Enable FWDT"
110+
default y
111+
config BSP_USING_WWDT
112+
bool "Enable WWDT"
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default n
114+
endif
115+
85116
source "$(BSP_DIR)/../libraries/gd32_drivers/Kconfig"
86117

87118
endmenu

‎bsp/gd32/risc-v/libraries/gd32_drivers/SConscript‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -30,7 +30,7 @@ if GetDepend('RT_USING_SFUD'):
3030
src += ['drv_spi_flash.c', 'drv_spi.c']
3131

3232
# add wdt drivers.
33-
if GetDepend('RT_USING_WDT'):
33+
if GetDepend(['RT_USING_WDT', 'SOC_GD32VW553H']):
3434
src += ['drv_wdt.c']
3535

3636
# add rtc drivers.
@@ -49,6 +49,7 @@ if GetDepend('RT_USING_ADC'):
4949
if GetDepend(['RT_USING_PWM', 'SOC_GD32VW553H']):
5050
src += ['drv_pwm.c']
5151

52+
5253
path = [cwd]
5354

5455
group = DefineGroup('Drivers', src, depend = [''], CPPPATH = path)

‎bsp/gd32/risc-v/libraries/gd32_drivers/drv_wdt.c‎

Lines changed: 181 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,181 @@
1+
/*
2+
* Copyright (c) 2006-2023, RT-Thread Development Team
3+
*
4+
* SPDX-License-Identifier: Apache-2.0
5+
*
6+
* Change Logs:
7+
* Date Author Notes
8+
* 2026-02-04 Yixizhang first version
9+
*/
10+
11+
#include <board.h>
12+
#include <rtthread.h>
13+
14+
15+
16+
17+
#ifdef RT_USING_WDT
18+
19+
#if defined(BSP_USING_FWDT)
20+
#define HW_WDGT_DEV_NAME "fwdgt"
21+
#elif defined(BSP_USING_WWDT)
22+
#define HW_WDGT_DEV_NAME "wwdgt"
23+
#endif
24+
25+
#define DBG_TAG "wdt"
26+
#define DBG_LVL DBG_LOG
27+
28+
#include <rtdbg.h>
29+
struct gd32_wdt_obj
30+
{
31+
rt_watchdog_t watchdog;
32+
rt_uint16_t is_start;
33+
};
34+
static struct gd32_wdt_obj gd32_wdt;
35+
static struct rt_watchdog_ops ops;
36+
37+
static rt_err_t wdt_init(rt_watchdog_t *wdt)
38+
{
39+
LOG_D("wdt init success.");
40+
return RT_EOK;
41+
}
42+
43+
static rt_err_t wdt_control(rt_watchdog_t *wdt, int cmd, void *arg)
44+
{
45+
46+
rt_uint32_t time_sec;
47+
rt_uint32_t time_msec;
48+
rt_uint32_t wdgt_count;
49+
rt_uint32_t window_value;
50+
switch (cmd)
51+
{
52+
/* feed the watchdog */
53+
case RT_DEVICE_CTRL_WDT_KEEPALIVE:
54+
#if defined(BSP_USING_FWDT)
55+
fwdgt_counter_reload();
56+
#elif defined(BSP_USING_WWDT)
57+
wwdgt_counter_update(0x70);
58+
LOG_D("wdt update success.");
59+
#endif
60+
break;
61+
case RT_DEVICE_CTRL_WDT_SET_TIMEOUT:
62+
63+
#if defined(BSP_USING_FWDT)
64+
/* set timeout sec*/
65+
time_sec = *(rt_uint32_t*)arg;
66+
wdgt_count = 32*1000/32*time_sec;
67+
ErrStatus res = fwdgt_prescaler_value_config(FWDGT_PSC_DIV32);
68+
res = fwdgt_reload_value_config(wdgt_count);
69+
LOG_D("timeout=%d sec,count=%d res=%d ", time_sec, wdgt_count, res);
70+
#elif defined(BSP_USING_WWDT)
71+
/* set timeout ms */
72+
window_value = 0x7F;
73+
time_msec = *(rt_uint32_t*)arg;
74+
wdgt_count = (rt_uint32_t)((float)((float)1/0.78)*time_msec) + 0x3F;
75+
wwdgt_config(wdgt_count, window_value, WWDGT_CFG_PSC_DIV8);
76+
LOG_D("timeout=%d msec,count=%d ", time_msec, wdgt_count);
77+
#endif
78+
79+
break;
80+
case RT_DEVICE_CTRL_WDT_START:
81+
#if defined(BSP_USING_FWDT)
82+
fwdgt_enable();
83+
#elif defined(BSP_USING_WWDT)
84+
wwdgt_enable();
85+
#endif
86+
LOG_D("wdt control enable success.");
87+
break;
88+
default:
89+
LOG_W("This command is not supported.");
90+
return -RT_ERROR;
91+
}
92+
return RT_EOK;
93+
}
94+
95+
int rt_wdt_init(void)
96+
{
97+
rcu_periph_clock_enable(RCU_WWDGT);
98+
gd32_wdt.is_start = 0;
99+
ops.init = &wdt_init;
100+
ops.control = &wdt_control;
101+
gd32_wdt.watchdog.ops = &ops;
102+
/* register watchdog device */
103+
if (rt_hw_watchdog_register(&gd32_wdt.watchdog, HW_WDGT_DEV_NAME, RT_DEVICE_FLAG_DEACTIVATE, RT_NULL) != RT_EOK)
104+
{
105+
LOG_E("wdt device register failed.");
106+
return -RT_ERROR;
107+
}
108+
LOG_D(" wdt device register success.");
109+
return RT_EOK;
110+
}
111+
INIT_BOARD_EXPORT(rt_wdt_init);
112+
113+
#if defined(BSP_USING_FWDT)
114+
int fwdt_test_sample()
115+
{
116+
rt_err_t ret = RT_EOK;
117+
rt_device_t hw_dev = RT_NULL;
118+
rt_ubase_t time_out_sec = 4;
119+
hw_dev = rt_device_find(HW_WDGT_DEV_NAME);
120+
121+
LOG_D("find fwdt device success,device=%x",hw_dev);
122+
if (hw_dev == RT_NULL)
123+
{
124+
LOG_D("hwtimer sample run failed! can't find %s device!", HW_WDGT_DEV_NAME);
125+
return -RT_ERROR;
126+
}
127+
ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR);
128+
LOG_D("open fwdt device success");
129+
if (ret != RT_EOK)
130+
{
131+
LOG_D("open %s device failed!", HW_WDGT_DEV_NAME);
132+
return ret;
133+
}
134+
135+
ret = rt_device_control(hw_dev, RT_DEVICE_CTRL_WDT_SET_TIMEOUT, &time_out_sec);
136+
if (ret != RT_EOK)
137+
{
138+
LOG_D("control %s device failed!", HW_WDGT_DEV_NAME);
139+
return ret;
140+
}
141+
rt_device_control(hw_dev, RT_DEVICE_CTRL_WDT_START, RT_NULL);
142+
rt_device_control(hw_dev, RT_DEVICE_CTRL_WDT_KEEPALIVE, RT_NULL);
143+
}
144+
145+
MSH_CMD_EXPORT(fwdt_test_sample, fwdt timeout 4 sec reset)
146+
147+
#elif defined(BSP_USING_WWDT)
148+
int wwdt_test_sample()
149+
{
150+
rt_err_t ret = RT_EOK;
151+
rt_device_t hw_dev = RT_NULL;
152+
rt_ubase_t time_out_msec = 40;
153+
hw_dev = rt_device_find(HW_WDGT_DEV_NAME);
154+
155+
LOG_D("find wwdt device success,device=%x",hw_dev);
156+
if (hw_dev == RT_NULL)
157+
{
158+
LOG_D("hwtimer sample run failed! can't find %s device!", HW_WDGT_DEV_NAME);
159+
return -RT_ERROR;
160+
}
161+
ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR);
162+
LOG_D("open wwdt device success");
163+
if (ret != RT_EOK)
164+
{
165+
LOG_D("open %s device failed!", HW_WDGT_DEV_NAME);
166+
return ret;
167+
}
168+
169+
ret = rt_device_control(hw_dev, RT_DEVICE_CTRL_WDT_SET_TIMEOUT, &time_out_msec);
170+
if (ret != RT_EOK)
171+
{
172+
LOG_D("control %s device failed!", HW_WDGT_DEV_NAME);
173+
return ret;
174+
}
175+
rt_device_control(hw_dev, RT_DEVICE_CTRL_WDT_START, RT_NULL);
176+
rt_device_control(hw_dev, RT_DEVICE_CTRL_WDT_KEEPALIVE, RT_NULL);
177+
}
178+
MSH_CMD_EXPORT(wwdt_test_sample, wwdt timeout 40 msec reset)
179+
#endif
180+
181+
#endif /* RT_USING_WDT */

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