Just another thought.
On Wed, Aug 09, 2017 at 10:12:37PM +0800, Jun Nie wrote:
diff --git a/Silicon/Sanchip/Library/Zx6718RealTimeClockLib/Zx296718RealTimeClock.h b/Silicon/Sanchip/Library/Zx6718RealTimeClockLib/Zx296718RealTimeClock.h new file mode 100644 index 0000000..3b5a4d4 --- /dev/null +++ b/Silicon/Sanchip/Library/Zx6718RealTimeClockLib/Zx296718RealTimeClock.h @@ -0,0 +1,102 @@ +/** @file +* +* Copyright (C) 2017 Sanechips Technology Co., Ltd. +* Copyright (c) 2017, Linaro Ltd. +* +* This program and the accompanying materials +* are licensed and made available under the terms and conditions of the BSD License +* which accompanies this distribution. The full text of the license may be found at +* http://opensource.org/licenses/bsd-license.php +* +* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +* +* Based on the files under ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.inf +**/
+#ifndef __DS3231_REAL_TIME_CLOCK_H__ +#define __DS3231_REAL_TIME_CLOCK_H__
+#define RTC_POWER_INI1_PARA (0xCDBC) +#define RTC_POWER_INI2_PARA (0xCFCC) +#define CONFIG_PARMETER (0xC1CD)
+#define ZX_RTC_CMP_VALUE (0x3FFF) +#define WAIT_FOR_COUNT (2000) +#define INIT_DELAY (100)
+/* RTC Control register description */ +#define RTC_CTRL_STOP (~(0x1 << 0)) +#define RTC_CTRL_RUN (0x1 << 0) +#define RTC_CTRL_ROUND30S (0x1 << 1) +#define RTC_CTRL_AUTO_COMPENSATION (0x1 << 2) +#define RTC_CTRL_MODULE12 (0x1 << 3) +#define RTC_CTRL_MODULE24 (~(0x1 << 3)) +#define RTC_CTRL_SET_32_COUNTER (0x1 << 5) +#define RTC_CTRL_SOFT_RESET (0x1 << 6) +#define RTC_CTRL_CLK_32K_OUTEN (0x1 << 8)
+#define RTC_CTRL_BIT6_0 ( ~(0x1 << 6)) +#define RTC_CTRL_BIT6_1 (0x1 << 6)
+/* RTC Interrupt register description */ +#define RTC_EVERY_MASK (0x3 << 0) +#define RTC_EVERY_SEC 0x00 /* second periodic intrrupt */ +#define RTC_EVERY_MIN 0x01 /* minute periodic interrupt */ +#define RTC_EVERY_HR 0x02 /* hour periodic interrupt */ +#define RTC_EVERY_DAY 0x03 /* day periodic interrupt */ +#define RTC_IT_TIMER (0x1 << 2) /* Enable periodic interrupt */ +#define RTC_IT_ALARM (0x1 << 3) /* Enable alarm clock interrupt */ +#define RTC_IT_MASK (0x3 << 2)
+/* RTC Status register description */ +#define RTC_BUSY (0x1 << 0) /* Read-only, indicate refresh*/ +#define RTC_RUN (0x1 << 1) /* Read-only, RTC is running */ +#define RTC_ALARM (0x1 << 6) /* Read/Write, Alarm interrupt has been generated */ +#define RTC_TIMER (0x1 << 7) /* Read/Write, Timer interrupt has been generated */ +#define RTC_POWER_UP (0x1 << 8) /* Read/Write, Reset */
+#define TM_YEAR_START 1900
+#define TM_MONTH_OFFSET 1
+#define TM_WDAY_SUNDAY 0 +#define ZX_RTC_SUNDAY 7
+#define BCD2BIN(val) (((val) & 0x0f) + ((val) >> 4) * 10) +#define BIN2BCD(val) ((((val) / 10) << 4) + (val) % 10)
Are these not equivalent to DecimalToBcd8/BcdToDecimal8 in BaseLib? If so, could we drop these and use the BasLib versions in the code?
+#define BCD4_2_BIN(x) (( (x) & 0x0F) + \
((((x) & 0x0F0) >> 4) * 10) + \((((x) & 0xF00) >> 8) * 100) + \((((x) & 0xF000) >> 12) * 1000))+#define BIN_2_BCD4(x) (((x % 10) & 0x0F) | \
(((x /10 ) % 10) << 4) | \(((x /100) % 10) << 8) | \(((x /1000) % 10) << 12))
And would these not be DecimalToBcd16/BcdToDecimal16? Should we add those to BaseLib?
/ Leif