| /******************************************************************************* |
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| ******************************************************************************** |
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| this list of conditions and the following disclaimer. |
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| *******************************************************************************/ |
| |
| |
| /* includes */ |
| #include "mvCommon.h" |
| #include "mvOs.h" |
| #include "ctrlEnv/mvCtrlEnvSpec.h" |
| #include "mvSysRtcConfig.h" |
| #include "mvRtcReg.h" |
| #include "mvRtc.h" |
| |
| |
| /******************************************************************************* |
| * mvRtcTimeSet - Update the Real Time Clock. |
| * |
| * DESCRIPTION: |
| * This function sets a new time and date to the RTC from the given |
| * structure RTC_TIME . All fields within the structure must be assigned |
| * with a value prior to the use of this function. |
| * |
| * INPUT: |
| * time - A pointer to a structure RTC_TIME (defined in mv.h). |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * None. |
| * |
| *******************************************************************************/ |
| MV_VOID mvRtcTimeSet(MV_RTC_TIME *mvTime) |
| { |
| MV_U32 timeVal = 0; |
| MV_U32 dateVal = 0; |
| MV_U32 tens; |
| MV_U32 single; |
| |
| /* seconds */ |
| tens = mvTime->seconds / 10; |
| single = mvTime->seconds % 10; |
| timeVal |= ((tens << RTC_TIME_10SECONDS_SHF) & RTC_TIME_10SECONDS_MSK) | |
| ((single << RTC_TIME_SECONDS_SHF) & RTC_TIME_SECONDS_MSK); |
| |
| /* minutes */ |
| tens = mvTime->minutes / 10; |
| single = mvTime->minutes % 10; |
| timeVal |= ((tens << RTC_TIME_10MINUTES_SHF) & RTC_TIME_10MINUTES_MSK) | |
| ((single << RTC_TIME_MINUTES_SHF) & RTC_TIME_MINUTES_MSK); |
| |
| /* hours (24) */ |
| tens = mvTime->hours / 10; |
| single = mvTime->hours % 10; |
| timeVal |= ((tens << RTC_TIME_10HOUR_SHF) & RTC_TIME_10HOUR_MSK) | |
| ((single << RTC_TIME_HOUR_SHF) & RTC_TIME_HOUR_MSK); |
| |
| /* day */ |
| single = ++(mvTime->day); |
| timeVal |= ((single << RTC_TIME_DAY_SHF) & RTC_TIME_DAY_MSK); |
| |
| /* Update RTC Time Register */ |
| MV_REG_WRITE(RTC_TIME_REG, timeVal); |
| |
| /* date */ |
| tens = mvTime->date / 10; |
| single = mvTime->date % 10; |
| dateVal = ((tens << RTC_DATE_10DAY_SHF) & RTC_DATE_10DAY_MSK) | |
| ((single << RTC_DATE_DAY_SHF) & RTC_DATE_DAY_MSK); |
| |
| /* month */ |
| tens = mvTime->month / 10; |
| single = mvTime->month % 10; |
| dateVal |= ((tens << RTC_DATE_10MONTH_SHF) & RTC_DATE_10MONTH_MSK) | |
| ((single << RTC_DATE_MONTH_SHF) & RTC_DATE_MONTH_MSK); |
| |
| /* year */ |
| tens = mvTime->year / 10; |
| single = mvTime->year % 10; |
| dateVal |= ((tens << RTC_DATE_10YEAR_SHF) & RTC_DATE_10YEAR_MSK) | |
| ((single << RTC_DATE_YEAR_SHF) & RTC_DATE_YEAR_MSK); |
| |
| /* Update RTC Date Register */ |
| MV_REG_WRITE(RTC_DATE_REG, dateVal); |
| |
| |
| return; |
| } |
| |
| /******************************************************************************* |
| * mvRtcTimeGet - Read the time from the RTC. |
| * |
| * DESCRIPTION: |
| * This function reads the current time and date from the RTC into the |
| * structure RTC_TIME (defined in mv.h). |
| * |
| * INPUT: |
| * time - A pointer to a structure TIME (defined in mv.h). |
| * |
| * OUTPUT: |
| * The structure RTC_TIME is updated with the time read from the RTC. |
| * |
| * RETURN: |
| * None. |
| * |
| *******************************************************************************/ |
| MV_VOID mvRtcTimeGet(MV_RTC_TIME *mvTime) |
| { |
| MV_U32 timeVal; |
| MV_U32 dateVal; |
| MV_U8 tens; |
| MV_U8 single; |
| |
| /* read Time register */ |
| timeVal = MV_REG_READ(RTC_TIME_REG); |
| |
| /* seconds */ |
| tens = ((timeVal & RTC_TIME_10SECONDS_MSK) >> RTC_TIME_10SECONDS_SHF); |
| single = ((timeVal & RTC_TIME_SECONDS_MSK) >> RTC_TIME_SECONDS_SHF); |
| mvTime->seconds = 10*tens + single; |
| |
| /* minutes */ |
| tens = ((timeVal & RTC_TIME_10MINUTES_MSK) >> RTC_TIME_10MINUTES_SHF); |
| single = ((timeVal & RTC_TIME_MINUTES_MSK) >> RTC_TIME_MINUTES_SHF); |
| mvTime->minutes = 10*tens + single; |
| |
| /* hours */ |
| tens = ((timeVal & RTC_TIME_10HOUR_MSK) >> RTC_TIME_10HOUR_SHF); |
| single = ((timeVal & RTC_TIME_HOUR_MSK) >> RTC_TIME_HOUR_SHF); |
| mvTime->hours = 10*tens + single; |
| |
| /* day */ |
| mvTime->day = ((timeVal & RTC_TIME_DAY_MSK) >> RTC_TIME_DAY_SHF); |
| mvTime->day--; |
| |
| /* read Date register */ |
| dateVal = MV_REG_READ(RTC_DATE_REG); |
| |
| /* day */ |
| tens = ((dateVal & RTC_DATE_10DAY_MSK) >> RTC_DATE_10DAY_SHF); |
| single = ((dateVal & RTC_DATE_DAY_MSK) >> RTC_DATE_DAY_SHF); |
| mvTime->date = 10*tens + single; |
| |
| /* month */ |
| tens = ((dateVal & RTC_DATE_10MONTH_MSK) >> RTC_DATE_10MONTH_SHF); |
| single = ((dateVal & RTC_DATE_MONTH_MSK) >> RTC_DATE_MONTH_SHF); |
| mvTime->month = 10*tens + single; |
| |
| /* year */ |
| tens = ((dateVal & RTC_DATE_10YEAR_MSK) >> RTC_DATE_10YEAR_SHF); |
| single = ((dateVal & RTC_DATE_YEAR_MSK) >> RTC_DATE_YEAR_SHF); |
| mvTime->year = 10*tens + single; |
| |
| return; |
| } |
| |
| /******************************************************************************* |
| * mvRtcInit - Initialize the clock. |
| * |
| * DESCRIPTION: |
| * This function initialize the RTC integrated unit. |
| * |
| * INPUT: |
| * None. |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * None. |
| * |
| *******************************************************************************/ |
| MV_VOID mvRtcInit(MV_VOID) |
| { |
| return; |
| } |