root / proj / include / rtc_macros.h @ 234
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#ifndef RTC_MACROS_H_INCLUDED
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#define RTC_MACROS_H_INCLUDED
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#include <lcom/lcf.h> |
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// RTC IRQ Line
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#define KBC_IRQ 8 /* @brief KBC IRQ Line */ |
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// RTC Ports
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#define RTC_ADDR_REG 0x70 |
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#define RTC_DATA_REG 0x71 |
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// RTC Registers (Byte)
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#define RTC_SEC 0 |
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#define RTC_SEC_ALARM 1 |
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#define RTC_MIN 2 |
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#define RTC_MIN_ALARM 3 |
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#define RTC_HOUR 4 |
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#define RTC_HOUR_ALARM 5 |
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#define RTC_WEEK_DAY 6 |
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#define RTC_MONTH_DAY 7 |
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#define RTC_MONTH 8 |
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#define RTC_YEAR 9 |
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#define RTC_REG_A 10 |
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#define RTC_REG_B 11 |
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#define RTC_REG_C 12 |
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#define RTC_REG_D 13 |
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// Register A
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#define RS0 BIT(0) /** @brief Rate selector */ |
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#define RS1 BIT(1) /** @brief Rate selector */ |
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#define RS2 BIT(2) /** @brief Rate selector */ |
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#define RS3 BIT(3) /** @brief Rate selector */ |
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#define UIP BIT(7) /** @brief Update in progress */ |
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// Register B
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#define DSE BIT(0) /** @brief Enable Daylight Saving Time */ |
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#define HOUR_FORM BIT(1) /** @brief Set to 1 for 24h format (0-23), 0 to 12h format (1-12) */ |
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#define DM BIT(2) /** @brief Set to 1 if registers are in binary, 0 if in BCD */ |
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#define SQWE BIT(3) /** @brief Enable square wave generation */ |
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#define UIE BIT(4) /** @brief Enable Update interrupts */ |
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#define AIE BIT(5) /** @brief Enable alarm interrupts */ |
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#define PIE BIT(6) /** @brief Enable periodic interrupts */ |
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#define SET BIT(7) /** @brief Set to 1 to inhibit updates of time/date registers */ |
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// Register C
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#define UF BIT(4) /** @brief Update Interrupt Pending */ |
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#define AF BIT(5) /** @brief Alarm Interrupt Pending */ |
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#define PF BIT(6) /** @brief Periodic Interrupt Pending */ |
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#define IRQF BIT(7) /** @brief IRQ Line Active */ |
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// Register D
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#define VRT BIT(7) /** @brief Valid RAM/time - If set to 0 RTC reading aren't valid */ |
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#endif /* end of include guard: RTC_MACROS_H_INCLUDED */ |