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add edu-riscv64 RTC test example

This commit is contained in:
wuzheng 2022-11-11 17:39:03 +08:00
parent e746639f8a
commit e7175c2745
14 changed files with 1346 additions and 1 deletions
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2
APP_Framework/Applications/app_test/test_i2c.c
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@ -7,3 +7,5 @@ void TestI2C(void)
{
}
PRIV_SHELL_CMD_FUNCTION(TestI2C, a iic test sample, PRIV_SHELL_CMD_MAIN_ATTR);

38
APP_Framework/Applications/app_test/test_rtc.c Normal file
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@ -0,0 +1,38 @@
#include <stdio.h>
#include <string.h>
#include <transform.h>
void TestRTC(int argc,char *argv[])
{
int rtc_fd = PrivOpen(RTC_DEV_DRIVER, O_RDWR);
if(rtc_fd<0){
printf("open rtc fd error:%d\n",rtc_fd);
return;
}
if(argc>1){
int times = atoi(argv[1]);
printf("Time will be printf times %d\n",times);
struct RtcDrvConfigureParam rtc_para;
rtc_para.rtc_operation_cmd = OPER_RTC_SET_TIME;
*(rtc_para.time) = 0;
struct PrivIoctlCfg ioctl_cfg;
ioctl_cfg.ioctl_driver_type = RTC_TYPE;
ioctl_cfg.args = (void *)&rtc_para;
PrivIoctl(rtc_fd,0,&ioctl_cfg);
rtc_para.rtc_operation_cmd = OPER_RTC_GET_TIME;
for(size_t i=0;i<times;i++){
PrivIoctl(rtc_fd,0,&ioctl_cfg);
printf("The time now is %x,%d\n",*(rtc_para.time),*(rtc_para.time));
PrivTaskDelay(5000);
}
}
return;
}
PRIV_SHELL_CMD_FUNCTION(TestRTC, a rtc test sample, PRIV_SHELL_CMD_MAIN_ATTR);

1
APP_Framework/Framework/transform_layer/xizi/transform.c
View File

@ -169,6 +169,7 @@ int PrivIoctl(int fd, int cmd, void *args)
case LCD_TYPE:
ret = PrivLcdIoctl(fd, cmd, ioctl_cfg->args);
break;
case RTC_TYPE:
case ADC_TYPE:
case DAC_TYPE:
case WDT_TYPE:

7
APP_Framework/Framework/transform_layer/xizi/transform.h
View File

@ -149,6 +149,7 @@ enum IoctlDriverType
ADC_TYPE,
DAC_TYPE,
WDT_TYPE,
RTC_TYPE,
DEFAULT_TYPE,
};
@ -193,6 +194,12 @@ typedef struct
uint16_t press;
}TouchDataParam;
struct RtcDrvConfigureParam
{
int rtc_operation_cmd;
time_t *time;
};
#define PRIV_SYSTICK_GET (CurrentTicksGain())
#define PRIV_LCD_DEV "/dev/lcd_dev"
#define MY_DISP_HOR_RES BSP_LCD_Y_MAX

3
Ubiquitous/XiZi_IIoT/board/edu-riscv64/board.c
View File

@ -45,6 +45,7 @@ Modification:
#include "dmac.h"
#include "connect_gpio.h"
#include "connect_soft_spi.h"
#include "connect_rtc.h"
// #if defined(FS_VFS)
// #include <iot-vfs.h>
@ -185,7 +186,7 @@ struct InitSequenceDesc _board_init[] =
{ "hw_i2c", HwI2cInit },
#endif
#ifdef BSP_USING_RTC
{ "hw_uart", HwRTC },
{ "hw_rtc", HwRtcInit },
#endif
#ifdef BSP_USING_UART
{ "hw_uart", HwUartInit },

8
Ubiquitous/XiZi_IIoT/board/edu-riscv64/third_party_driver/Kconfig
View File

@ -88,3 +88,11 @@ menuconfig BSP_USING_UART
if BSP_USING_UART
source "$BSP_DIR/third_party_driver/uart/Kconfig"
endif
menuconfig BSP_USING_RTC
bool "Using RTC device"
default y
select RESOURCES_RTC
if BSP_USING_RTC
source "$BSP_DIR/third_party_driver/rtc/Kconfig"
endif

5
Ubiquitous/XiZi_IIoT/board/edu-riscv64/third_party_driver/Makefile
View File

@ -44,4 +44,9 @@ ifeq ($(CONFIG_BSP_USING_SOFT_SPI),y)
SRC_DIR += soft_spi
endif
ifeq ($(CONFIG_BSP_USING_RTC),y)
SRC_DIR += rtc
endif
include $(KERNEL_ROOT)/compiler.mk

5
Ubiquitous/XiZi_IIoT/board/edu-riscv64/third_party_driver/gpio/drv_io_config.c
View File

@ -105,6 +105,11 @@ static struct io_config
IOCONFIG(BSP_SOFT_SPI_NCS_PIN, HS_GPIO(FPIOA_SOFT_SPI_NCS)),
#endif
#ifdef BSP_USING_LORA
IOCONFIG(BSP_E220_M0_PIN, HS_GPIO(FUNC_GPIOHS10)),
IOCONFIG(BSP_E220_M1_PIN, HS_GPIO(FUNC_GPIOHS11)),
#endif
#ifdef BSP_USING_LED
IOCONFIG(BSP_LED_PIN,FUNC_GPIO5);
#endif

36
Ubiquitous/XiZi_IIoT/board/edu-riscv64/third_party_driver/include/connect_rtc.h Normal file
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@ -0,0 +1,36 @@
/*
* Copyright (c) 2020 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
/**
* @file connect_rtc.h
* @brief define aiit-riscv64-board rtc function and struct
* @version 1.0
* @author AIIT XUOS Lab
* @date 2021-04-25
*/
#ifndef CONNECT_RTC_H
#define CONNECT_RTC_H
#include <device.h>
#ifdef __cplusplus
extern "C" {
#endif
int HwRtcInit(void);
#ifdef __cplusplus
}
#endif
#endif

448
Ubiquitous/XiZi_IIoT/board/edu-riscv64/third_party_driver/include/hardware_rtc.h Normal file
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@ -0,0 +1,448 @@
/* Copyright 2018 Canaan Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file
* @brief A real-time clock (RTC) is a computer clock that keeps track of
* the current time.
*/
/**
* @file hardware_rtc.h
* @brief add from Canaan k210 SDK
* https://canaan-creative.com/developer
* @version 1.0
* @author AIIT XUOS Lab
* @date 2021-04-25
*/
#ifndef __HARDWARE_RTC_H__
#define __HARDWARE_RTC_H__
#include <platform.h>
#include <stdint.h>
#include <time.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief RTC timer mode
*
* Timer mode selector
* | Mode | Description |
* |------|------------------------|
* | 0 | Timer pause |
* | 1 | Timer time running |
* | 2 | Timer time setting |
*/
typedef enum _rtc_timer_mode_e
{
/* 0: Timer pause */
RTC_TIMER_PAUSE,
/* 1: Timer time running */
RTC_TIMER_RUNNING,
/* 2: Timer time setting */
RTC_TIMER_SETTING,
/* Max count of this enum*/
RTC_TIMER_MAX
} rtc_timer_mode_t;
/*
* @brief RTC tick interrupt mode
*
* Tick interrupt mode selector
* | Mode | Description |
* |------|------------------------|
* | 0 | Interrupt every second |
* | 1 | Interrupt every minute |
* | 2 | Interrupt every hour |
* | 3 | Interrupt every day |
*/
typedef enum _rtc_tick_interrupt_mode_e
{
/* 0: Interrupt every second */
RTC_INT_SECOND,
/* 1: Interrupt every minute */
RTC_INT_MINUTE,
/* 2: Interrupt every hour */
RTC_INT_HOUR,
/* 3: Interrupt every day */
RTC_INT_DAY,
/* Max count of this enum*/
RTC_INT_MAX
} rtc_tick_interrupt_mode_t;
/**
* @brief RTC mask structure
*
* RTC mask structure for common use
*/
typedef struct _rtc_mask
{
/* Reserved */
uint32_t resv : 1;
/* Second mask */
uint32_t second : 1;
/* Minute mask */
uint32_t minute : 1;
/* Hour mask */
uint32_t hour : 1;
/* Week mask */
uint32_t week : 1;
/* Day mask */
uint32_t day : 1;
/* Month mask */
uint32_t month : 1;
/* Year mask */
uint32_t year : 1;
} __attribute__((packed, aligned(1))) rtc_mask_t;
/**
* @brief RTC register
*
* @note RTC register table
*
* | Offset | Name | Description |
* |-----------|----------------|-------------------------------------|
* | 0x00 | date | Timer date information |
* | 0x04 | time | Timer time information |
* | 0x08 | alarm_date | Alarm date information |
* | 0x0c | alarm_time | Alarm time information |
* | 0x10 | initial_count | Timer counter initial value |
* | 0x14 | current_count | Timer counter current value |
* | 0x18 | interrupt_ctrl | RTC interrupt settings |
* | 0x1c | register_ctrl | RTC register settings |
* | 0x20 | reserved0 | Reserved |
* | 0x24 | reserved1 | Reserved |
* | 0x28 | extended | Timer extended information |
*
*/
/**
* @brief Timer date information
*
* No. 0 Register (0x00)
*/
typedef struct _rtc_date
{
/* Week. Range [0,6]. 0 is Sunday. */
uint32_t week : 3;
/* Reserved */
uint32_t resv0 : 5;
/* Day. Range [1,31] or [1,30] or [1,29] or [1,28] */
uint32_t day : 5;
/* Reserved */
uint32_t resv1 : 3;
/* Month. Range [1,12] */
uint32_t month : 4;
/* Year. Range [0,99] */
uint32_t year : 12;
} __attribute__((packed, aligned(4))) rtc_date_t;
/**
* @brief Timer time information
*
* No. 1 Register (0x04)
*/
typedef struct _rtc_time
{
/* Reserved */
uint32_t resv0 : 10;
/* Second. Range [0,59] */
uint32_t second : 6;
/* Minute. Range [0,59] */
uint32_t minute : 6;
/* Reserved */
uint32_t resv1 : 2;
/* Hour. Range [0,23] */
uint32_t hour : 5;
/* Reserved */
uint32_t resv2 : 3;
} __attribute__((packed, aligned(4))) rtc_time_t;
/**
* @brief Alarm date information
*
* No. 2 Register (0x08)
*/
typedef struct _rtc_alarm_date
{
/* Alarm Week. Range [0,6]. 0 is Sunday. */
uint32_t week : 3;
/* Reserved */
uint32_t resv0 : 5;
/* Alarm Day. Range [1,31] or [1,30] or [1,29] or [1,28] */
uint32_t day : 5;
/* Reserved */
uint32_t resv1 : 3;
/* Alarm Month. Range [1,12] */
uint32_t month : 4;
/* Alarm Year. Range [0,99] */
uint32_t year : 12;
} __attribute__((packed, aligned(4))) rtc_alarm_date_t;
/**
* @brief Alarm time information
*
* No. 3 Register (0x0c)
*/
typedef struct _rtc_alarm_time
{
/* Reserved */
uint32_t resv0 : 10;
/* Alarm Second. Range [0,59] */
uint32_t second : 6;
/* Alarm Minute. Range [0,59] */
uint32_t minute : 6;
/* Reserved */
uint32_t resv1 : 2;
/* Alarm Hour. Range [0,23] */
uint32_t hour : 5;
/* Reserved */
uint32_t resv2 : 3;
} __attribute__((packed, aligned(4))) rtc_alarm_time_t;
/**
* @brief Timer counter initial value
*
* No. 4 Register (0x10)
*/
typedef struct _rtc_initial_count
{
/* RTC counter initial value */
uint32_t count : 32;
} __attribute__((packed, aligned(4))) rtc_initial_count_t;
/**
* @brief Timer counter current value
*
* No. 5 Register (0x14)
*/
typedef struct _rtc_current_count
{
/* RTC counter current value */
uint32_t count : 32;
} __attribute__((packed, aligned(4))) rtc_current_count_t;
/**
* @brief RTC interrupt settings
*
* No. 6 Register (0x18)
*/
typedef struct _rtc_interrupt_ctrl
{
/* Reserved */
uint32_t tick_enable : 1;
/* Alarm interrupt enable */
uint32_t alarm_enable : 1;
/* Tick interrupt enable */
uint32_t tick_int_mode : 2;
/* Reserved */
uint32_t resv : 20;
/* Alarm compare mask for interrupt */
uint32_t alarm_compare_mask : 8;
} __attribute__((packed, aligned(4))) rtc_interrupt_ctrl_t;
/**
* @brief RTC register settings
*
* No. 7 Register (0x1c)
*/
typedef struct _rtc_register_ctrl
{
/* RTC timer read enable */
uint32_t read_enable : 1;
/* RTC timer write enable */
uint32_t write_enable : 1;
/* Reserved */
uint32_t resv0 : 11;
/* RTC timer mask */
uint32_t TimerMask : 8;
/* RTC alarm mask */
uint32_t alarm_mask : 8;
/* RTC counter initial count value mask */
uint32_t initial_count_mask : 1;
/* RTC interrupt register mask */
uint32_t interrupt_register_mask : 1;
/* Reserved */
uint32_t resv1 : 1;
} __attribute__((packed, aligned(4))) rtc_register_ctrl_t;
/**
* @brief Reserved
*
* No. 8 Register (0x20)
*/
typedef struct _rtc_reserved0
{
/* Reserved */
uint32_t resv : 32;
} __attribute__((packed, aligned(4))) rtc_reserved0_t;
/**
* @brief Reserved
*
* No. 9 Register (0x24)
*/
typedef struct _rtc_reserved1
{
/* Reserved */
uint32_t resv : 32;
} __attribute__((packed, aligned(4))) rtc_reserved1_t;
/**
* @brief Timer extended information
*
* No. 10 Register (0x28)
*/
typedef struct _rtc_extended
{
/* Century. Range [0,31] */
uint32_t century : 5;
/* Is leap year. 1 is leap year, 0 is not leap year */
uint32_t leap_year : 1;
/* Reserved */
uint32_t resv : 26;
} __attribute__((packed, aligned(4))) rtc_extended_t;
/**
* @brief Real-time clock struct
*
* A real-time clock (RTC) is a computer clock that keeps track of
* the current time.
*/
typedef struct _rtc
{
/* No. 0 (0x00): Timer date information */
rtc_date_t date;
/* No. 1 (0x04): Timer time information */
rtc_time_t time;
/* No. 2 (0x08): Alarm date information */
rtc_alarm_date_t alarm_date;
/* No. 3 (0x0c): Alarm time information */
rtc_alarm_time_t alarm_time;
/* No. 4 (0x10): Timer counter initial value */
rtc_initial_count_t initial_count;
/* No. 5 (0x14): Timer counter current value */
rtc_current_count_t current_count;
/* No. 6 (0x18): RTC interrupt settings */
rtc_interrupt_ctrl_t interrupt_ctrl;
/* No. 7 (0x1c): RTC register settings */
rtc_register_ctrl_t register_ctrl;
/* No. 8 (0x20): Reserved */
rtc_reserved0_t reserved0;
/* No. 9 (0x24): Reserved */
rtc_reserved1_t reserved1;
/* No. 10 (0x28): Timer extended information */
rtc_extended_t extended;
} __attribute__((packed, aligned(4))) rtc_t;
/**
* @brief Real-time clock object
*/
extern volatile rtc_t *const rtc;
extern volatile uint32_t *const rtc_base;
/**
* @brief Set date time to RTC
*
* @param[in] year The year
* @param[in] month The month
* @param[in] day The day
* @param[in] hour The hour
* @param[in] minute The minute
* @param[in] second The second
*
* @return result
* - 0 Success
* - Other Fail
*/
int rtc_timer_set(int year, int month, int day, int hour, int minute, int second);
/**
* @brief Get date time from RTC
*
* @param year The year
* @param month The month
* @param day The day
* @param hour The hour
* @param minute The minute
* @param second The second
*
* @return result
* - 0 Success
* - Other Fail
*/
int rtc_timer_get(int *year, int *month, int *day, int *hour, int *minute, int *second);
/**
* @brief Initialize RTC
*
* @return Result
* - 0 Success
* - Other Fail
*/
int rtc_init(void);
/**
* @brief Set RTC in protect mode or not
*
* @param enable Enable flag
*
* @return result
* - 0 Success
* - Other Fail
*/
int rtc_protect_set(int enable);
/**
* @brief Set RTC timer mode
*
* @param timer_mode Timer mode
*
*/
void rtc_timer_set_mode(rtc_timer_mode_t timer_mode);
/**
* @brief Set RTC timer clock frequency
*
* @param frequency Frequency
*
* @return result
* - 0 Success
* - Other Fail
*/
int rtc_timer_set_clock_frequency(unsigned int frequency);
/**
* @brief Set RTC timer clock count value
*
* @param count Count
*
* @return result
* - 0 Success
* - Other Fail
*/
int rtc_timer_set_clock_count_value(unsigned int count);
#ifdef __cplusplus
}
#endif
#endif /* _DRIVER_RTC_H */

11
Ubiquitous/XiZi_IIoT/board/edu-riscv64/third_party_driver/rtc/Kconfig Normal file
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@ -0,0 +1,11 @@
if BSP_USING_RTC
config RTC_BUS_NAME
string "rtc bus name"
default "rtc"
config RTC_DRV_NAME
string "rtc bus driver name"
default "rtc_drv"
config RTC_DEVICE_NAME
string "rtc bus device name"
default "rtc_dev"
endif

3
Ubiquitous/XiZi_IIoT/board/edu-riscv64/third_party_driver/rtc/Makefile Normal file
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@ -0,0 +1,3 @@
SRC_FILES := connect_rtc.c hardware_rtc.c
include $(KERNEL_ROOT)/compiler.mk

183
Ubiquitous/XiZi_IIoT/board/edu-riscv64/third_party_driver/rtc/connect_rtc.c Normal file
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@ -0,0 +1,183 @@
/*
* Copyright (c) 2020 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
/**
* @file connect_rtc.c
* @brief support aiit-riscv64-board rtc function and register to bus framework
* @version 1.0
* @author AIIT XUOS Lab
* @date 2021-04-25
*/
#include <connect_rtc.h>
#include <hardware_rtc.h>
#include <stdint.h>
#include <stdlib.h>
#include <sysctl.h>
#include <time.h>
static int GetWeekDay(int year, int month, int day)
{
/* Magic method to get weekday */
int weekday = (day += month < 3 ? year-- : year - 2,
23 * month / 9 + day + 4 + year / 4 - year / 100 + year / 400) % 7;
return weekday;
}
static uint32 RtcConfigure(void *drv, struct BusConfigureInfo *configure_info)
{
NULL_PARAM_CHECK(drv);
struct RtcDriver *rtc_drv = (struct RtcDriver *)drv;
struct RtcDrvConfigureParam *drv_param = (struct RtcDrvConfigureParam *)configure_info->private_data;
int cmd = drv_param->rtc_operation_cmd;
time_t *time = drv_param->time;
switch (cmd)
{
case OPER_RTC_GET_TIME:
{
struct tm ct;
int year,month,day,hour,minute,second;
memset(&ct,0,sizeof(struct tm));
rtc_timer_get(&year, &month, &day, &hour, &minute, &second);
ct.tm_year = year - 1900;
ct.tm_mon = month - 1;
ct.tm_mday = day;
ct.tm_wday = GetWeekDay(year, month, day);
ct.tm_hour = hour;
ct.tm_min = minute;
ct.tm_sec = second;
*time = mktime(&ct);
}
break;
case OPER_RTC_SET_TIME:
{
struct tm *ct;
struct tm tm_new;
x_base lock;
lock = CriticalAreaLock();
ct = localtime(time);
memcpy(&tm_new, ct, sizeof(struct tm));
CriticalAreaUnLock(lock);
sysctl_reset(SYSCTL_RESET_RTC);
sysctl_clock_enable(SYSCTL_CLOCK_RTC);
rtc_protect_set(0);
rtc_timer_set_clock_frequency(SysctlClockGetFreq(SYSCTL_CLOCK_IN0));
rtc_timer_set_clock_count_value(1);
rtc_timer_set_mode(RTC_TIMER_RUNNING);
if (rtc_timer_set(tm_new.tm_year+1900,tm_new.tm_mon+1,tm_new.tm_mday,
tm_new.tm_hour,tm_new.tm_min,tm_new.tm_sec)==-1)
return ERROR;
}
break;
}
return EOK;
}
/*manage the rtc device operations*/
static const struct RtcDevDone dev_done =
{
.open = NONE,
.close = NONE,
.write = NONE,
.read = NONE,
};
static int BoardRtcBusInit(struct RtcBus *rtc_bus, struct RtcDriver *rtc_driver)
{
x_err_t ret = EOK;
/*Init the rtc bus */
ret = RtcBusInit(rtc_bus, RTC_BUS_NAME);
if (EOK != ret) {
KPrintf("HwRtcInit RtcBusInit error %d\n", ret);
return ERROR;
}
/*Init the rtc driver*/
ret = RtcDriverInit(rtc_driver, RTC_DRV_NAME);
if (EOK != ret) {
KPrintf("HwRtcInit RtcDriverInit error %d\n", ret);
return ERROR;
}
/*Attach the rtc driver to the rtc bus*/
ret = RtcDriverAttachToBus(RTC_DRV_NAME, RTC_BUS_NAME);
if (EOK != ret) {
KPrintf("HwRtcInit RtcDriverAttachToBus error %d\n", ret);
return ERROR;
}
return ret;
}
/*Attach the rtc device to the rtc bus*/
static int BoardRtcDevBend(void)
{
x_err_t ret = EOK;
static struct RtcHardwareDevice rtc_device;
memset(&rtc_device, 0, sizeof(struct RtcHardwareDevice));
rtc_device.dev_done = &(dev_done);
ret = RtcDeviceRegister(&rtc_device, NONE, RTC_DEVICE_NAME);
if (EOK != ret) {
KPrintf("HwRtcInit RtcDeviceInit device %s error %d\n", RTC_DEVICE_NAME, ret);
return ERROR;
}
ret = RtcDeviceAttachToBus(RTC_DEVICE_NAME, RTC_BUS_NAME);
if (EOK != ret) {
KPrintf("HwRtcInit RtcDeviceAttachToBus device %s error %d\n", RTC_DEVICE_NAME, ret);
return ERROR;
}
return ret;
}
int HwRtcInit(void)
{
x_err_t ret = EOK;
static struct RtcBus rtc_bus;
memset(&rtc_bus, 0, sizeof(struct RtcBus));
static struct RtcDriver rtc_driver;
memset(&rtc_driver, 0, sizeof(struct RtcDriver));
rtc_driver.configure = &(RtcConfigure);
ret = BoardRtcBusInit(&rtc_bus, &rtc_driver);
if (EOK != ret) {
KPrintf("HwRtcInit error ret %u\n", ret);
return ERROR;
}
ret = BoardRtcDevBend();
if (EOK != ret) {
KPrintf("HwRtcInit error ret %u\n", ret);
}
rtc_init();
return ret;
}

597
Ubiquitous/XiZi_IIoT/board/edu-riscv64/third_party_driver/rtc/hardware_rtc.c Normal file
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@ -0,0 +1,597 @@
/* Copyright 2018 Canaan Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file hardware_rtc.c
* @brief add from Canaan k210 SDK
* https://canaan-creative.com/developer
* @version 1.0
* @author AIIT XUOS Lab
* @date 2021-04-25
*/
#include <encoding.h>
#include <hardware_rtc.h>
#include <stdint.h>
#include <stdlib.h>
#include <sysctl.h>
#include <time.h>
volatile rtc_t *const rtc = (volatile rtc_t *)RTC_BASE_ADDR;
struct tm rtc_date_time;
void rtc_timer_set_mode(rtc_timer_mode_t timer_mode)
{
rtc_register_ctrl_t register_ctrl = rtc->register_ctrl;
switch (timer_mode)
{
case RTC_TIMER_PAUSE:
register_ctrl.read_enable = 0;
register_ctrl.write_enable = 0;
break;
case RTC_TIMER_RUNNING:
register_ctrl.read_enable = 1;
register_ctrl.write_enable = 0;
break;
case RTC_TIMER_SETTING:
register_ctrl.read_enable = 0;
register_ctrl.write_enable = 1;
break;
default:
register_ctrl.read_enable = 0;
register_ctrl.write_enable = 0;
break;
}
rtc->register_ctrl = register_ctrl;
}
rtc_timer_mode_t rtc_timer_get_mode(void)
{
rtc_register_ctrl_t register_ctrl = rtc->register_ctrl;
rtc_timer_mode_t timer_mode = RTC_TIMER_PAUSE;
if ((!register_ctrl.read_enable) && (!register_ctrl.write_enable))
{
/* RTC_TIMER_PAUSE */
timer_mode = RTC_TIMER_PAUSE;
}
else if ((register_ctrl.read_enable) && (!register_ctrl.write_enable))
{
/* RTC_TIMER_RUNNING */
timer_mode = RTC_TIMER_RUNNING;
}
else if ((!register_ctrl.read_enable) && (register_ctrl.write_enable)) {
/* RTC_TIMER_SETTING */
timer_mode = RTC_TIMER_SETTING;
}
else
{
/* Something is error, reset timer mode */
rtc_timer_set_mode(timer_mode);
}
return timer_mode;
}
static inline int rtc_in_range(int value, int min, int max)
{
return ((value >= min) && (value <= max));
}
int rtc_timer_set_tm(const struct tm *tm)
{
rtc_date_t timer_date;
rtc_time_t timer_time;
rtc_extended_t timer_extended;
if (tm)
{
/*
* Range of tm->tm_sec could be [0,61]
*
* Range of tm->tm_sec allows for a positive leap second. Two
* leap seconds in the same minute are not allowed (the C90
* range 0..61 was a defect)
*/
if (rtc_in_range(tm->tm_sec, 0, 59))
timer_time.second = tm->tm_sec;
else
return -1;
/* Range of tm->tm_min could be [0,59] */
if (rtc_in_range(tm->tm_min, 0, 59))
timer_time.minute = tm->tm_min;
else
return -1;
/* Range of tm->tm_hour could be [0, 23] */
if (rtc_in_range(tm->tm_hour, 0, 23))
timer_time.hour = tm->tm_hour;
else
return -1;
/* Range of tm->tm_mday could be [1, 31] */
if (rtc_in_range(tm->tm_mday, 1, 31))
timer_date.day = tm->tm_mday;
else
return -1;
/*
* Range of tm->tm_mon could be [0, 11]
* But in this RTC, date.month should be [1, 12]
*/
if (rtc_in_range(tm->tm_mon, 0, 11))
timer_date.month = tm->tm_mon + 1;
else
return -1;
/*
* Range of tm->tm_year is the years since 1900
* But in this RTC, year is split into year and century
* In this RTC, century range is [0,31], year range is [0,99]
*/
int human_year = tm->tm_year + 1900;
int rtc_year = human_year % 100;
int rtc_century = human_year / 100;
if (rtc_in_range(rtc_year, 0, 99) &&
rtc_in_range(rtc_century, 0, 31))
{
timer_date.year = rtc_year;
timer_extended.century = rtc_century;
}
else
return -1;
/* Range of tm->tm_wday could be [0, 6] */
if (rtc_in_range(tm->tm_wday, 0, 6))
timer_date.week = tm->tm_wday;
else
return -1;
/* Set RTC mode to timer setting mode */
rtc_timer_set_mode(RTC_TIMER_SETTING);
/* Write value to RTC */
rtc->date = timer_date;
rtc->time = timer_time;
rtc->extended = timer_extended;
/* Get CPU current freq */
unsigned long freq = SysctlClockGetFreq(SYSCTL_CLOCK_CPU);
/* Set threshold to 1/26000000 s */
freq = freq / 26000000;
/* Get current CPU cycle */
unsigned long start_cycle = read_cycle();
/* Wait for 1/26000000 s to sync data */
while (read_cycle() - start_cycle < freq)
continue;
/* Set RTC mode to timer running mode */
rtc_timer_set_mode(RTC_TIMER_RUNNING);
}
return 0;
}
int rtc_timer_set_alarm_tm(const struct tm *tm)
{
rtc_alarm_date_t alarm_date;
rtc_alarm_time_t alarm_time;
if (tm) {
/*
* Range of tm->tm_sec could be [0,61]
*
* Range of tm->tm_sec allows for a positive leap second. Two
* leap seconds in the same minute are not allowed (the C90
* range 0..61 was a defect)
*/
if (rtc_in_range(tm->tm_sec, 0, 59))
alarm_time.second = tm->tm_sec;
else
return -1;
/* Range of tm->tm_min could be [0,59] */
if (rtc_in_range(tm->tm_min, 0, 59))
alarm_time.minute = tm->tm_min;
else
return -1;
/* Range of tm->tm_hour could be [0, 23] */
if (rtc_in_range(tm->tm_hour, 0, 23))
alarm_time.hour = tm->tm_hour;
else
return -1;
/* Range of tm->tm_mday could be [1, 31] */
if (rtc_in_range(tm->tm_mday, 1, 31))
alarm_date.day = tm->tm_mday;
else
return -1;
/*
* Range of tm->tm_mon could be [0, 11]
* But in this RTC, date.month should be [1, 12]
*/
if (rtc_in_range(tm->tm_mon, 0, 11))
alarm_date.month = tm->tm_mon + 1;
else
return -1;
/*
* Range of tm->tm_year is the years since 1900
* But in this RTC, year is split into year and century
* In this RTC, century range is [0,31], year range is [0,99]
*/
int human_year = tm->tm_year + 1900;
int rtc_year = human_year % 100;
int rtc_century = human_year / 100;
if (rtc_in_range(rtc_year, 0, 99) &&
rtc_in_range(rtc_century, 0, 31))
{
alarm_date.year = rtc_year;
} else
return -1;
/* Range of tm->tm_wday could be [0, 6] */
if (rtc_in_range(tm->tm_wday, 0, 6))
alarm_date.week = tm->tm_wday;
else
return -1;
/* Write value to RTC */
rtc->alarm_date = alarm_date;
rtc->alarm_time = alarm_time;
}
return 0;
}
static int rtc_year_is_leap(int year)
{
return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
}
static int rtc_get_yday(int year, int month, int day)
{
static const int days[2][13] =
{
{0, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334},
{0, 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335}
};
int leap = rtc_year_is_leap(year);
return days[leap][month] + day;
}
static int rtc_get_wday(int year, int month, int day)
{
/* Magic method to get weekday */
int weekday = (day += month < 3 ? year-- : year - 2, 23 * month / 9 + day + 4 + year / 4 - year / 100 + year / 400) % 7;
return weekday;
}
struct tm *rtc_timer_get_tm(void)
{
if (rtc_timer_get_mode() != RTC_TIMER_RUNNING)
return NULL;
rtc_date_t timer_date = rtc->date;
rtc_time_t timer_time = rtc->time;
rtc_extended_t timer_extended = rtc->extended;
struct tm *tm = &rtc_date_time;
tm->tm_sec = timer_time.second % 60;
tm->tm_min = timer_time.minute % 60;
tm->tm_hour = timer_time.hour % 24;
tm->tm_mday = (timer_date.day - 1) % 31 + 1;
tm->tm_mon = (timer_date.month - 1)% 12;
tm->tm_year = (timer_date.year % 100) + (timer_extended.century * 100) - 1900;
tm->tm_wday = timer_date.week;
tm->tm_yday = rtc_get_yday(tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
tm->tm_isdst = -1;
return tm;
}
struct tm *rtc_timer_get_alarm_tm(void)
{
if (rtc_timer_get_mode() != RTC_TIMER_RUNNING)
return NULL;
rtc_alarm_date_t alarm_date = rtc->alarm_date;
rtc_alarm_time_t alarm_time = rtc->alarm_time;
rtc_extended_t timer_extended = rtc->extended;
struct tm *tm = &rtc_date_time;
tm->tm_sec = alarm_time.second % 60;
tm->tm_min = alarm_time.minute % 60;
tm->tm_hour = alarm_time.hour % 24;
tm->tm_mday = alarm_date.day % 31;
tm->tm_mon = (alarm_date.month % 12) - 1;
/* Alarm and Timer use same timer_extended.century */
tm->tm_year = (alarm_date.year % 100) + (timer_extended.century * 100) - 1900;
tm->tm_wday = alarm_date.week;
tm->tm_yday = rtc_get_yday(tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
tm->tm_isdst = -1;
return tm;
}
int rtc_timer_set(int year, int month, int day, int hour, int minute, int second)
{
struct tm date_time =
{
.tm_sec = second,
.tm_min = minute,
.tm_hour = hour,
.tm_mday = day,
.tm_mon = month - 1,
.tm_year = year - 1900,
.tm_wday = rtc_get_wday(year, month, day),
.tm_yday = rtc_get_yday(year, month, day),
.tm_isdst = -1,
};
return rtc_timer_set_tm(&date_time);
}
int rtc_timer_get(int *year, int *month, int *day, int *hour, int *minute, int *second)
{
struct tm *tm = rtc_timer_get_tm();
if (tm)
{
if (year)
*year = tm->tm_year + 1900;
if (month)
*month = tm->tm_mon + 1;
if (day)
*day = tm->tm_mday;
if (hour)
*hour = tm->tm_hour;
if (minute)
*minute = tm->tm_min;
if (second)
*second = tm->tm_sec;
} else
return -1;
return 0;
}
int rtc_timer_set_alarm(int year, int month, int day, int hour, int minute, int second)
{
struct tm date_time = {
.tm_sec = second,
.tm_min = minute,
.tm_hour = hour,
.tm_mday = day,
.tm_mon = month - 1,
.tm_year = year - 1900,
.tm_wday = rtc_get_wday(year, month, day),
.tm_yday = rtc_get_yday(year, month, day),
.tm_isdst = -1,
};
return rtc_timer_set_alarm_tm(&date_time);
}
int rtc_timer_get_alarm(int *year, int *month, int *day, int *hour, int *minute, int *second)
{
struct tm *tm = rtc_timer_get_alarm_tm();
if (tm) {
if (year)
*year = tm->tm_year + 1900;
if (month)
*month = tm->tm_mon + 1;
if (day)
*day = tm->tm_mday;
if (hour)
*hour = tm->tm_hour;
if (minute)
*minute = tm->tm_min;
if (second)
*second = tm->tm_sec;
} else
return -1;
return 0;
}
int rtc_timer_set_clock_frequency(unsigned int frequency)
{
rtc_initial_count_t initial_count;
initial_count.count = frequency;
rtc_timer_set_mode(RTC_TIMER_SETTING);
rtc->initial_count = initial_count;
rtc_timer_set_mode(RTC_TIMER_RUNNING);
return 0;
}
unsigned int rtc_timer_get_clock_frequency(void)
{
return rtc->initial_count.count;
}
int rtc_timer_set_clock_count_value(unsigned int count)
{
rtc_current_count_t current_count;
current_count.count = count;
rtc_timer_set_mode(RTC_TIMER_SETTING);
rtc->current_count = current_count;
rtc_timer_set_mode(RTC_TIMER_RUNNING);
return 0;
}
unsigned int rtc_timer_get_clock_count_value(void)
{
return rtc->current_count.count;
}
int rtc_tick_interrupt_set(int enable)
{
rtc_interrupt_ctrl_t interrupt_ctrl = rtc->interrupt_ctrl;
interrupt_ctrl.tick_enable = enable;
rtc_timer_set_mode(RTC_TIMER_SETTING);
rtc->interrupt_ctrl = interrupt_ctrl;
rtc_timer_set_mode(RTC_TIMER_RUNNING);
return 0;
}
int rtc_tick_interrupt_get(void)
{
rtc_interrupt_ctrl_t interrupt_ctrl = rtc->interrupt_ctrl;
return interrupt_ctrl.tick_enable;
}
int rtc_tick_interrupt_mode_set(rtc_tick_interrupt_mode_t mode)
{
rtc_interrupt_ctrl_t interrupt_ctrl = rtc->interrupt_ctrl;
interrupt_ctrl.tick_int_mode = mode;
rtc_timer_set_mode(RTC_TIMER_SETTING);
rtc->interrupt_ctrl = interrupt_ctrl;
rtc_timer_set_mode(RTC_TIMER_RUNNING);
return 0;
}
rtc_tick_interrupt_mode_t rtc_tick_interrupt_mode_get(void)
{
rtc_interrupt_ctrl_t interrupt_ctrl = rtc->interrupt_ctrl;
return interrupt_ctrl.tick_int_mode;
}
int rtc_alarm_interrupt_set(int enable)
{
rtc_interrupt_ctrl_t interrupt_ctrl = rtc->interrupt_ctrl;
interrupt_ctrl.alarm_enable = enable;
rtc->interrupt_ctrl = interrupt_ctrl;
return 0;
}
int rtc_alarm_interrupt_get(void)
{
rtc_interrupt_ctrl_t interrupt_ctrl = rtc->interrupt_ctrl;
return interrupt_ctrl.alarm_enable;
}
int rtc_alarm_interrupt_mask_set(rtc_mask_t mask)
{
rtc_interrupt_ctrl_t interrupt_ctrl = rtc->interrupt_ctrl;
interrupt_ctrl.alarm_compare_mask = *(uint8_t *)&mask;
rtc->interrupt_ctrl = interrupt_ctrl;
return 0;
}
rtc_mask_t rtc_alarm_interrupt_mask_get(void)
{
rtc_interrupt_ctrl_t interrupt_ctrl = rtc->interrupt_ctrl;
uint8_t compare_mask = interrupt_ctrl.alarm_compare_mask;
return *(rtc_mask_t *)&compare_mask;
}
int rtc_protect_set(int enable)
{
rtc_register_ctrl_t register_ctrl = rtc->register_ctrl;
rtc_mask_t mask =
{
.second = 1,
/* Second mask */
.minute = 1,
/* Minute mask */
.hour = 1,
/* Hour mask */
.week = 1,
/* Week mask */
.day = 1,
/* Day mask */
.month = 1,
/* Month mask */
.year = 1,
};
rtc_mask_t unmask =
{
.second = 0,
/* Second mask */
.minute = 0,
/* Minute mask */
.hour = 0,
/* Hour mask */
.week = 0,
/* Week mask */
.day = 0,
/* Day mask */
.month = 0,
/* Month mask */
.year = 0,
};
if (enable)
{
/* Turn RTC in protect mode, no one can write time */
register_ctrl.TimerMask = *(uint8_t *)&unmask;
register_ctrl.alarm_mask = *(uint8_t *)&unmask;
register_ctrl.initial_count_mask = 0;
register_ctrl.interrupt_register_mask = 0;
}
else
{
/* Turn RTC in unprotect mode, everyone can write time */
register_ctrl.TimerMask = *(uint8_t *)&mask;
register_ctrl.alarm_mask = *(uint8_t *)&mask;
register_ctrl.initial_count_mask = 1;
register_ctrl.interrupt_register_mask = 1;
}
rtc_timer_set_mode(RTC_TIMER_SETTING);
rtc->register_ctrl = register_ctrl;
rtc_timer_set_mode(RTC_TIMER_RUNNING);
return 0;
}
int rtc_init(void)
{
/* Reset RTC */
sysctl_reset(SYSCTL_RESET_RTC);
/* Enable RTC */
sysctl_clock_enable(SYSCTL_CLOCK_RTC);
/* Unprotect RTC */
rtc_protect_set(0);
/* Set RTC clock frequency */
rtc_timer_set_clock_frequency(
SysctlClockGetFreq(SYSCTL_CLOCK_IN0)
);
rtc_timer_set_clock_count_value(1);
/* Set RTC mode to timer running mode */
rtc_timer_set_mode(RTC_TIMER_RUNNING);
return 0;
}