diff options
| -rw-r--r-- | bsp/hc32/ev_hc32f460_lqfp100_v2/board/Kconfig | 1 | ||||
| -rw-r--r-- | bsp/hc32/libraries/hc32_drivers/SConscript | 3 | ||||
| -rw-r--r-- | bsp/hc32/libraries/hc32_drivers/drv_rtc.c | 178 |
3 files changed, 181 insertions, 1 deletions
diff --git a/bsp/hc32/ev_hc32f460_lqfp100_v2/board/Kconfig b/bsp/hc32/ev_hc32f460_lqfp100_v2/board/Kconfig index ccdec61780..a161247a09 100644 --- a/bsp/hc32/ev_hc32f460_lqfp100_v2/board/Kconfig +++ b/bsp/hc32/ev_hc32f460_lqfp100_v2/board/Kconfig @@ -106,7 +106,6 @@ menu "On-chip Peripheral Drivers" bool "Enable RTC" select RT_USING_RTC default n - if BSP_USING_RTC choice prompt "Select clock source" diff --git a/bsp/hc32/libraries/hc32_drivers/SConscript b/bsp/hc32/libraries/hc32_drivers/SConscript index ca0bf50bf8..abe4243c76 100644 --- a/bsp/hc32/libraries/hc32_drivers/SConscript +++ b/bsp/hc32/libraries/hc32_drivers/SConscript @@ -29,6 +29,9 @@ if GetDepend(['RT_USING_ADC']): if GetDepend(['RT_USING_CAN']): src += ['drv_can.c'] + +if GetDepend(['RT_USING_RTC']): + src += ['drv_rtc.c'] path = [cwd] diff --git a/bsp/hc32/libraries/hc32_drivers/drv_rtc.c b/bsp/hc32/libraries/hc32_drivers/drv_rtc.c new file mode 100644 index 0000000000..adf2eb7e1b --- /dev/null +++ b/bsp/hc32/libraries/hc32_drivers/drv_rtc.c @@ -0,0 +1,178 @@ +/* + * Copyright (c) 2006-2022, RT-Thread Development Team + * Copyright (c) 2022, xiaoxiaolisunny + * + * SPDX-License-Identifier: Apache-2.0 + * + * Change Logs: + * Date Author Notes + * 2022-06-10 xiaoxiaolisunny first version + */ + +#include <board.h> +#include <rtdbg.h> +#include <rtthread.h> +#include <rtdevice.h> +#include <sys/time.h> + +#ifdef BSP_USING_RTC + +static rt_rtc_dev_t hc32_rtc_dev; + +static rt_err_t hc32_rtc_get_time_stamp(struct timeval *tv) +{ + stc_rtc_time_t stcRtcTime = {0}; + stc_rtc_date_t stcRtcDate = {0}; + struct tm tm_new = {0}; + + RTC_GetTime(RTC_DATA_FMT_DEC, &stcRtcTime); + RTC_GetDate(RTC_DATA_FMT_DEC, &stcRtcDate); + + tm_new.tm_sec = stcRtcTime.u8Second; + tm_new.tm_min = stcRtcTime.u8Minute; + tm_new.tm_hour = stcRtcTime.u8Hour; + if(stcRtcDate.u8Month == 0) + { + tm_new.tm_mday = stcRtcDate.u8Day + 1; + tm_new.tm_mon = stcRtcDate.u8Month; + } + else + { + tm_new.tm_mday = stcRtcDate.u8Day ; + tm_new.tm_mon = stcRtcDate.u8Month - 1; + } + tm_new.tm_year = stcRtcDate.u8Year + 100; + + tv->tv_sec = timegm(&tm_new); + + return RT_EOK; +} + +static rt_err_t hc32_rtc_set_time_stamp(time_t time_stamp) +{ + stc_rtc_time_t stcRtcTime = {0}; + stc_rtc_date_t stcRtcDate = {0}; + struct tm p_tm = {0}; + + gmtime_r(&time_stamp, &p_tm); + + if (p_tm.tm_year < 100) + { + return -RT_ERROR; + } + + stcRtcTime.u8Second = p_tm.tm_sec ; + stcRtcTime.u8Minute = p_tm.tm_min ; + stcRtcTime.u8Hour = p_tm.tm_hour; + stcRtcDate.u8Day = p_tm.tm_mday; + stcRtcDate.u8Month = p_tm.tm_mon + 1; + stcRtcDate.u8Year = p_tm.tm_year - 100; + stcRtcDate.u8Weekday = p_tm.tm_wday; + + if (LL_OK != RTC_SetTime(RTC_DATA_FMT_DEC, &stcRtcTime)) + { + return -RT_ERROR; + } + if (LL_OK != RTC_SetDate(RTC_DATA_FMT_DEC, &stcRtcDate)) + { + return -RT_ERROR; + } + + LOG_D("set rtc time."); + return RT_EOK; +} + +static rt_err_t hc32_rtc_init(void) +{ + stc_rtc_init_t stcRtcInit; + +#ifdef BSP_RTC_USING_XTAL32 + stc_clock_xtal32_init_t stcXtal32Init; + /* Xtal32 config */ + stcXtal32Init.u8State = CLK_XTAL32_ON; + stcXtal32Init.u8Drv = CLK_XTAL32_DRV_HIGH; + stcXtal32Init.u8Filter = CLK_XTAL32_FILTER_RUN_MD; + (void)CLK_Xtal32Init(&stcXtal32Init); + /* Waiting for XTAL32 stabilization */ + rt_thread_delay(100); +#endif + + /* RTC stopped */ + if (DISABLE == RTC_GetCounterState()) + { + /* Reset RTC counter */ + if (LL_ERR_TIMEOUT == RTC_DeInit()) + { + return -RT_ERROR; + } + else + { + /* Configure structure initialization */ + (void)RTC_StructInit(&stcRtcInit); + /* Configuration RTC structure */ + #ifdef BSP_RTC_USING_XTAL32 + stcRtcInit.u8ClockSrc = RTC_CLK_SRC_XTAL32; + #else + stcRtcInit.u8ClockSrc = RTC_CLK_SRC_LRC; + #endif + stcRtcInit.u8HourFormat = RTC_HOUR_FMT_24H; + (void)RTC_Init(&stcRtcInit); + /* Startup RTC count */ + RTC_Cmd(ENABLE); + } + } + return RT_EOK; +} + +static rt_err_t hc32_rtc_get_secs(time_t *sec) +{ + struct timeval tv; + + hc32_rtc_get_time_stamp(&tv); + *(time_t *) sec = tv.tv_sec; + LOG_D("RTC: get rtc_time %d", *sec); + + return RT_EOK; +} + +static rt_err_t hc32_rtc_set_secs(time_t *sec) +{ + rt_err_t result = RT_EOK; + + if (hc32_rtc_set_time_stamp(*sec)) + { + result = -RT_ERROR; + } + LOG_D("RTC: set rtc_time %d", *sec); + + return result; +} + +const static struct rt_rtc_ops hc32_rtc_ops = +{ + hc32_rtc_init, + hc32_rtc_get_secs, + hc32_rtc_set_secs, + RT_NULL, + RT_NULL, + hc32_rtc_get_time_stamp, + RT_NULL +}; + +int rt_hw_rtc_init(void) +{ + rt_err_t result; + + hc32_rtc_dev.ops = &hc32_rtc_ops; + result = rt_hw_rtc_register(&hc32_rtc_dev, "rtc", RT_DEVICE_FLAG_RDWR, RT_NULL); + if (result != RT_EOK) + { + LOG_E("rtc register err code: %d", result); + return result; + } + LOG_D("rtc init success"); + return RT_EOK; +} +INIT_DEVICE_EXPORT(rt_hw_rtc_init); + +#endif /* BSP_USING_RTC */ |