diff options
| -rw-r--r-- | bsp/gd32/risc-v/gd32vw553h-eval/board/Kconfig | 22 | ||||
| -rw-r--r-- | bsp/gd32/risc-v/libraries/gd32_drivers/SConscript | 3 | ||||
| -rw-r--r-- | bsp/gd32/risc-v/libraries/gd32_drivers/drv_wdt.c | 181 |
3 files changed, 204 insertions, 2 deletions
diff --git a/bsp/gd32/risc-v/gd32vw553h-eval/board/Kconfig b/bsp/gd32/risc-v/gd32vw553h-eval/board/Kconfig index e97ec600a4..d872bb925f 100644 --- a/bsp/gd32/risc-v/gd32vw553h-eval/board/Kconfig +++ b/bsp/gd32/risc-v/gd32vw553h-eval/board/Kconfig @@ -107,7 +107,27 @@ menu "On-chip Peripheral Drivers" bool "Enable PWM16" default n endif - + + menuconfig BSP_USING_WDT + bool "Enable WDT" + default n + if BSP_USING_WDT + config BSP_USING_FWDT + bool "Enable FWDT" + default y + config BSP_USING_WWDT + bool "Enable WWDT" + default n + choice + prompt "Select WDT type" + default BSP_USING_FWDT + config BSP_USING_FWDT + bool "Enable FWDT" + config BSP_USING_WWDT + bool "Enable WWDT" + endchoice + endif + menuconfig BSP_USING_HW_I2C bool "Enable Hardware I2C" default n diff --git a/bsp/gd32/risc-v/libraries/gd32_drivers/SConscript b/bsp/gd32/risc-v/libraries/gd32_drivers/SConscript index 6d92cf3946..05e694d9e2 100644 --- a/bsp/gd32/risc-v/libraries/gd32_drivers/SConscript +++ b/bsp/gd32/risc-v/libraries/gd32_drivers/SConscript @@ -33,7 +33,7 @@ if GetDepend('RT_USING_SFUD'): src += ['drv_spi_flash.c', 'drv_spi.c'] # add wdt drivers. -if GetDepend('RT_USING_WDT'): +if GetDepend(['RT_USING_WDT', 'SOC_GD32VW553H']): src += ['drv_wdt.c'] # add rtc drivers. @@ -52,6 +52,7 @@ if GetDepend('RT_USING_ADC'): if GetDepend(['RT_USING_PWM', 'SOC_GD32VW553H']): src += ['drv_pwm.c'] + path = [cwd] path += [cwd + "/config"] diff --git a/bsp/gd32/risc-v/libraries/gd32_drivers/drv_wdt.c b/bsp/gd32/risc-v/libraries/gd32_drivers/drv_wdt.c new file mode 100644 index 0000000000..8d45576f9f --- /dev/null +++ b/bsp/gd32/risc-v/libraries/gd32_drivers/drv_wdt.c @@ -0,0 +1,181 @@ +/* + * Copyright (c) 2006-2026, RT-Thread Development Team + * + * SPDX-License-Identifier: Apache-2.0 + * + * Change Logs: + * Date Author Notes + * 2026-02-04 Yixizhang first version + */ + +#include <board.h> +#include <rtthread.h> +#ifdef RT_USING_WDT + +#if defined(BSP_USING_FWDT) + #define HW_WDGT_DEV_NAME "fwdgt" +#elif defined(BSP_USING_WWDT) + #define HW_WDGT_DEV_NAME "wwdgt" +#endif + +#define DBG_TAG "wdt" +#define DBG_LVL DBG_LOG + +#include <rtdbg.h> +struct gd32_wdt_obj +{ + rt_watchdog_t watchdog; + rt_uint16_t is_start; +}; +static struct gd32_wdt_obj gd32_wdt; +static struct rt_watchdog_ops ops; + +static rt_err_t wdt_init(rt_watchdog_t *wdt) +{ + LOG_D("wdt init success."); + return RT_EOK; +} + +static rt_err_t wdt_control(rt_watchdog_t *wdt, int cmd, void *arg) +{ + + rt_uint32_t time_sec; + rt_uint32_t time_msec; + rt_uint32_t wdgt_count; + rt_uint32_t window_value; + switch (cmd) + { + /* feed the watchdog */ + case RT_DEVICE_CTRL_WDT_KEEPALIVE: +#if defined(BSP_USING_FWDT) + fwdgt_counter_reload(); +#elif defined(BSP_USING_WWDT) + wwdgt_counter_update(0x70); + LOG_D("wdt update success."); +#endif + break; + case RT_DEVICE_CTRL_WDT_SET_TIMEOUT: + +#if defined(BSP_USING_FWDT) + /* set timeout sec*/ + time_sec = *(rt_uint32_t*)arg; + wdgt_count = 32*1000/32*time_sec; + ErrStatus res = fwdgt_prescaler_value_config(FWDGT_PSC_DIV32); + res = fwdgt_reload_value_config(wdgt_count); + LOG_D("timeout=%d sec,count=%d res=%d ", time_sec, wdgt_count, res); +#elif defined(BSP_USING_WWDT) + /* set timeout ms */ + window_value = 0x7F; + time_msec = *(rt_uint32_t*)arg; + wdgt_count = (rt_uint32_t)((float)((float)1/0.78)*time_msec) + 0x3F; + wwdgt_config(wdgt_count, window_value, WWDGT_CFG_PSC_DIV8); + LOG_D("timeout=%d msec,count=%d ", time_msec, wdgt_count); +#endif + + break; + case RT_DEVICE_CTRL_WDT_START: +#if defined(BSP_USING_FWDT) + fwdgt_enable(); +#elif defined(BSP_USING_WWDT) + wwdgt_enable(); +#endif + LOG_D("wdt control enable success."); + break; + default: + LOG_W("This command is not supported."); + return -RT_ERROR; + } + return RT_EOK; +} + +int rt_wdt_init(void) +{ + rcu_periph_clock_enable(RCU_WWDGT); + gd32_wdt.is_start = 0; + ops.init = &wdt_init; + ops.control = &wdt_control; + gd32_wdt.watchdog.ops = &ops; + /* register watchdog device */ + if (rt_hw_watchdog_register(&gd32_wdt.watchdog, HW_WDGT_DEV_NAME, RT_DEVICE_FLAG_DEACTIVATE, RT_NULL) != RT_EOK) + { + LOG_E("wdt device register failed."); + return -RT_ERROR; + } + LOG_D(" wdt device register success."); + return RT_EOK; +} +INIT_BOARD_EXPORT(rt_wdt_init); + +#if defined(BSP_USING_FWDT) +int fwdt_test_sample() +{ + rt_err_t ret = RT_EOK; + rt_device_t hw_dev = RT_NULL; + rt_ubase_t time_out_sec = 4; + hw_dev = rt_device_find(HW_WDGT_DEV_NAME); + + LOG_D("find fwdt device success,device=%x",hw_dev); + if (hw_dev == RT_NULL) + { + LOG_D("fwdt sample run failed! can't find %s device!", HW_WDGT_DEV_NAME); + return -RT_ERROR; + } + ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR); + LOG_D("open fwdt device success"); + if (ret != RT_EOK) + { + LOG_D("open %s device failed!", HW_WDGT_DEV_NAME); + return ret; + } + + ret = rt_device_control(hw_dev, RT_DEVICE_CTRL_WDT_SET_TIMEOUT, &time_out_sec); + if (ret != RT_EOK) + { + LOG_D("control %s device failed!", HW_WDGT_DEV_NAME); + return ret; + } + rt_device_control(hw_dev, RT_DEVICE_CTRL_WDT_START, RT_NULL); + rt_device_control(hw_dev, RT_DEVICE_CTRL_WDT_KEEPALIVE, RT_NULL); + return ret; +} + +MSH_CMD_EXPORT(fwdt_test_sample, fwdt timeout 4 sec reset) + +#elif defined(BSP_USING_WWDT) +int wwdt_test_sample() +{ + rt_err_t ret = RT_EOK; + rt_device_t hw_dev = RT_NULL; + rt_ubase_t time_out_msec = 40; + hw_dev = rt_device_find(HW_WDGT_DEV_NAME); + + LOG_D("find wwdt device success,device=%x",hw_dev); + if (hw_dev == RT_NULL) + { + LOG_D("wwdt sample run failed! can't find %s device!", HW_WDGT_DEV_NAME); + return -RT_ERROR; + } + ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR); + LOG_D("open wwdt device success"); + if (ret != RT_EOK) + { + LOG_D("open %s device failed!", HW_WDGT_DEV_NAME); + return ret; + } + + ret = rt_device_control(hw_dev, RT_DEVICE_CTRL_WDT_SET_TIMEOUT, &time_out_msec); + if (ret != RT_EOK) + { + LOG_D("control %s device failed!", HW_WDGT_DEV_NAME); + return ret; + } + rt_device_control(hw_dev, RT_DEVICE_CTRL_WDT_START, RT_NULL); + rt_device_control(hw_dev, RT_DEVICE_CTRL_WDT_KEEPALIVE, RT_NULL); + return ret; +} + +MSH_CMD_EXPORT(wwdt_test_sample, wwdt timeout 40 msec reset) +#endif + +#endif /* RT_USING_WDT */ + |