From f84250f3cc4ea6698f347349617a24fe010f5ee2 Mon Sep 17 00:00:00 2001 From: picospuch Date: Sat, 20 Mar 2021 17:14:55 +0800 Subject: [PATCH] [bsp/max32660] add onchip rtc support --- bsp/maxim/MAX32660_EVSYS/README.md | 4 +- bsp/maxim/MAX32660_EVSYS/board/Kconfig | 6 +- bsp/maxim/libraries/HAL_Drivers/SConscript | 2 + bsp/maxim/libraries/HAL_Drivers/drv_rtc.c | 137 +++++++++++++++++++++ 4 files changed, 146 insertions(+), 3 deletions(-) create mode 100644 bsp/maxim/libraries/HAL_Drivers/drv_rtc.c diff --git a/bsp/maxim/MAX32660_EVSYS/README.md b/bsp/maxim/MAX32660_EVSYS/README.md index 8559119b72..dbe86e3902 100644 --- a/bsp/maxim/MAX32660_EVSYS/README.md +++ b/bsp/maxim/MAX32660_EVSYS/README.md @@ -76,7 +76,7 @@ MAX32660-EVSYS开发板常用 **板载资源** 如下： | UART | 支持 | UART0, UART1(console) | | PWM | | | | SPI | 支持 | SPI0, SPI1 | -| RTC | | | +| RTC | 支持 | RTC | | I2S | | | | I2C | 支持 | I2C0, I2C1 | | TIMER | | | @@ -130,4 +130,4 @@ MAX32660-EVSYS开发板常用 **板载资源** 如下： 维护人: -- [supperthomas], 邮箱：<78900636@qq.com> \ No newline at end of file +- [supperthomas], 邮箱：<78900636@qq.com> diff --git a/bsp/maxim/MAX32660_EVSYS/board/Kconfig b/bsp/maxim/MAX32660_EVSYS/board/Kconfig index 01d04ec0f6..5a470ca469 100644 --- a/bsp/maxim/MAX32660_EVSYS/board/Kconfig +++ b/bsp/maxim/MAX32660_EVSYS/board/Kconfig @@ -81,7 +81,11 @@ menu "On-chip Peripheral Drivers" default n endif - + config BSP_USING_ONCHIP_RTC + bool "Enable RTC" + select RT_USING_RTC + select RT_USING_LIBC + default n endmenu diff --git a/bsp/maxim/libraries/HAL_Drivers/SConscript b/bsp/maxim/libraries/HAL_Drivers/SConscript index ae053a38d5..deaa1e25a1 100644 --- a/bsp/maxim/libraries/HAL_Drivers/SConscript +++ b/bsp/maxim/libraries/HAL_Drivers/SConscript @@ -26,6 +26,8 @@ if GetDepend(['RT_USING_I2C']): if GetDepend(['RT_USING_I2C', 'RT_USING_I2C_BITOPS']): src += ['drv_soft_i2c.c'] +if GetDepend(['BSP_USING_ONCHIP_RTC']): + src += ['drv_rtc.c'] if GetDepend(['BSP_USING_WDT']): src += ['drv_wdt.c'] diff --git a/bsp/maxim/libraries/HAL_Drivers/drv_rtc.c b/bsp/maxim/libraries/HAL_Drivers/drv_rtc.c new file mode 100644 index 0000000000..6584f55752 --- /dev/null +++ b/bsp/maxim/libraries/HAL_Drivers/drv_rtc.c @@ -0,0 +1,137 @@ +/* + * Copyright (c) 2006-2018, RT-Thread Development Team + * + * SPDX-License-Identifier: Apache-2.0 + * + * Change Logs: + * Date Author Notes + * 2021-03-15 picospuch Porting for maxiam32660 + */ + +#include "rtc.h" +#include "board.h" +#include + +#ifdef BSP_USING_ONCHIP_RTC + +#define DBG_LEVEL DBG_INFO +#include +#define LOG_TAG "drv.rtc" + +static struct rt_device rtc; + +static sys_cfg_rtc_t sys_cfg; + +static time_t get_rtc_timestamp(void) +{ + LOG_D("get rtc time."); + return RTC_GetSecond(); +} + +static rt_err_t set_rtc_time_stamp(time_t time_stamp) +{ + LOG_D("set rtc time."); + + if (RTC_Init(MXC_RTC, time_stamp, 0, &sys_cfg) != E_SUCCESS) { + return -RT_ERROR; + } + + if (RTC_EnableRTCE(MXC_RTC) != E_SUCCESS) { + return -RT_ERROR; + } + + return RT_EOK; +} + +static void rt_rtc_init(void) +{ + sys_cfg.tmr = MXC_TMR0; + RTC_Init(MXC_RTC, 0, 0, &sys_cfg); +} + +static rt_err_t rt_rtc_config(struct rt_device *dev) +{ + if (RTC_EnableRTCE(MXC_RTC) != E_SUCCESS) { + return -RT_ERROR; + } + return RT_EOK; +} + +static rt_err_t rt_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(); + LOG_D("RTC: get rtc_time %x\n", *(rt_uint32_t *)args); + break; + + case RT_DEVICE_CTRL_RTC_SET_TIME: + if (set_rtc_time_stamp(*(rt_uint32_t *)args)) + { + result = -RT_ERROR; + } + LOG_D("RTC: set rtc_time %x\n", *(rt_uint32_t *)args); + break; + } + + return result; +} + +#ifdef RT_USING_DEVICE_OPS +const static struct rt_device_ops rtc_ops = +{ + RT_NULL, + RT_NULL, + RT_NULL, + RT_NULL, + RT_NULL, + rt_rtc_control +}; +#endif + +static rt_err_t rt_hw_rtc_register(rt_device_t device, const char *name, rt_uint32_t flag) +{ + RT_ASSERT(device != RT_NULL); + + rt_rtc_init(); + if (rt_rtc_config(device) != RT_EOK) + { + return -RT_ERROR; + } +#ifdef RT_USING_DEVICE_OPS + device->ops = &rtc_ops; +#else + device->init = RT_NULL; + device->open = RT_NULL; + device->close = RT_NULL; + device->read = RT_NULL; + device->write = RT_NULL; + device->control = rt_rtc_control; +#endif + device->type = RT_Device_Class_RTC; + device->rx_indicate = RT_NULL; + device->tx_complete = RT_NULL; + device->user_data = RT_NULL; + + /* register a character device */ + return rt_device_register(device, name, flag); +} + +int rt_hw_rtc_init(void) +{ + rt_err_t result; + result = rt_hw_rtc_register(&rtc, "rtc", RT_DEVICE_FLAG_RDWR); + 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_ONCHIP_RTC */