PIC18 LaurTec Library
3.3.1
Open Source C Library for PIC18 Microcontrollers based on C18 - XC8 Compilers
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#include "MCP7940.h"
Go to the source code of this file.
Functions | |
void | MCP7940_initialize (unsigned char crystal_frequency_MHz, unsigned int baud_rate_KHz) |
signed char | RTCC_set_seconds (unsigned char seconds) |
unsigned char | RTCC_get_seconds (void) |
signed char | RTCC_set_minutes (unsigned char minutes) |
unsigned char | RTCC_get_minutes (void) |
signed char | RTCC_set_hours (unsigned char hours) |
unsigned char | RTCC_get_hours (void) |
unsigned char * | RTCC_get_time_seconds (void) |
unsigned char * | RTCC_get_time (void) |
signed char | RTCC_set_days (unsigned char days) |
unsigned char | RTCC_get_days (void) |
signed char | RTCC_set_months (unsigned char months) |
unsigned char | RTCC_get_months (void) |
signed char | RTCC_set_years (unsigned char years) |
unsigned char | RTCC_get_years (void) |
unsigned char * | RTCC_get_date (void) |
signed char | RTCC_set_seconds_alarm (unsigned char seconds, unsigned char alarm_enable) |
signed char | RTCC_set_minutes_alarm (unsigned char minutes, unsigned char alarm_enable) |
signed char | RTCC_set_hours_alarm (unsigned char hours, unsigned char alarm_enable) |
signed char | RTCC_set_days_alarm (unsigned char days, unsigned char alarm_enable) |
signed char | RTCC_enable_alarm_interrupt (void) |
signed char | RTCC_disable_alarm_interrupt (void) |
unsigned char | RTCC_is_alarm_ON (void) |
signed char | RTCC_increment_minutes (void) |
signed char | RTCC_increment_hours (void) |
signed char | RTCC_increment_years (void) |
signed char | RTCC_increment_months (void) |
signed char | RTCC_increment_days (void) |
void MCP7940_initialize | ( | unsigned char | crystal_frequency_MHz, |
unsigned int | baud_rate_KHz | ||
) |
This function initialize the I2C module accordingly to the clock and baud rate.
crystal_frequency_MHz | Clock frequency expressed in MHz |
baud_rate_KHz | Baud rate expressed in KHz |
Definition at line 63 of file MCP7940.c.
References RTCC_set_seconds().
signed char RTCC_disable_alarm_interrupt | ( | void | ) |
This function disable the interrupt pin functionality.
Definition at line 407 of file MCP7940.c.
References RTCC_CONFIGURATION_REG_ADDR, and RTCC_WRITE_ADD.
signed char RTCC_enable_alarm_interrupt | ( | void | ) |
This function enables the interrupt pin functionality.
Definition at line 393 of file MCP7940.c.
References RTCC_CONFIGURATION_REG_ADDR, and RTCC_WRITE_ADD.
unsigned char* RTCC_get_date | ( | void | ) |
This function reads the Date from the RTC. The Format DD/MM/YY
Definition at line 286 of file MCP7940.c.
References RTCC_get_days(), RTCC_get_months(), and RTCC_get_years().
unsigned char RTCC_get_days | ( | void | ) |
This function reads the day from the RTC.
Definition at line 228 of file MCP7940.c.
References RTCC_DAYS_ADDR, and RTCC_WRITE_ADD.
unsigned char RTCC_get_hours | ( | void | ) |
This function reads the hours from the RTC.
Definition at line 144 of file MCP7940.c.
References RTCC_HOURS_ADDR, and RTCC_WRITE_ADD.
unsigned char RTCC_get_minutes | ( | void | ) |
This function reads the minutes from the RTC.
Definition at line 121 of file MCP7940.c.
References RTCC_MINUTES_ADDR, and RTCC_WRITE_ADD.
unsigned char RTCC_get_months | ( | void | ) |
This function reads the months from the RTC.
Definition at line 252 of file MCP7940.c.
References RTCC_MONTHS_ADDR, and RTCC_WRITE_ADD.
unsigned char RTCC_get_seconds | ( | void | ) |
This function reads the second from the RTC.
Definition at line 94 of file MCP7940.c.
References RTCC_SECONDS_ADDR, and RTCC_WRITE_ADD.
unsigned char* RTCC_get_time | ( | void | ) |
This function reads the time from the RTC. The format is HH:MM (without seconds)
Definition at line 191 of file MCP7940.c.
References RTCC_get_hours(), and RTCC_get_minutes().
unsigned char* RTCC_get_time_seconds | ( | void | ) |
This function reads the time from the RTC. The format is HH:MM.ss
Definition at line 158 of file MCP7940.c.
References RTCC_get_hours(), RTCC_get_minutes(), and RTCC_get_seconds().
unsigned char RTCC_get_years | ( | void | ) |
This function reads the Year from the RTC.
Definition at line 275 of file MCP7940.c.
References RTCC_WRITE_ADD, and RTCC_YEARS_ADDR.
signed char RTCC_increment_days | ( | void | ) |
This function increments the Days inside the RTCC.
Definition at line 593 of file MCP7940.c.
References RTCC_get_days(), RTCC_MAX_DAYS, and RTCC_set_days().
signed char RTCC_increment_hours | ( | void | ) |
This function increments the hours inside the RTCC.
Definition at line 489 of file MCP7940.c.
References RTCC_get_hours(), RTCC_MAX_HOURS, and RTCC_set_hours().
signed char RTCC_increment_minutes | ( | void | ) |
This function increments the minutes inside the RTCC.
Definition at line 454 of file MCP7940.c.
References RTCC_get_minutes(), RTCC_MAX_MINUTES, and RTCC_set_minutes().
signed char RTCC_increment_months | ( | void | ) |
This function increments the Months inside the RTCC.
Definition at line 559 of file MCP7940.c.
References RTCC_get_months(), RTCC_MAX_MONTHS, and RTCC_set_months().
signed char RTCC_increment_years | ( | void | ) |
This function increments the Years inside the RTCC.
Definition at line 524 of file MCP7940.c.
References RTCC_get_years(), RTCC_MAX_YEARS, and RTCC_set_years().
unsigned char RTCC_is_alarm_ON | ( | void | ) |
This function checks if the Alarm id ON using polling method.
Definition at line 421 of file MCP7940.c.
References RTCC_ALARM_CONTROL_REG_1_ADDR, RTCC_ALARM_CONTROL_REG_2_ADDR, RTCC_CONFIGURATION_REG_ADDR, and RTCC_WRITE_ADD.
signed char RTCC_set_days | ( | unsigned char | days | ) |
This function writes the days in the RTC.
days | Day to be written, as 2 digits BCD format (eg. 12 is 0x12 or 0b00010010). |
Definition at line 219 of file MCP7940.c.
References RTCC_DAYS_ADDR, and RTCC_WRITE_ADD.
signed char RTCC_set_days_alarm | ( | unsigned char | days, |
unsigned char | alarm_enable | ||
) |
This function writes the Days for the alarm, in the RTC.
days | Days to be written, as 2 digits BCD format (eg. 12 is 0x12 or 0b00010010). |
alarmEnable | Enable the alarm or not (for matching) [ENABLE_ON , ENABLE_OFF] |
Definition at line 374 of file MCP7940.c.
References RTCC_ALARM_CONTROL_REG_1_ADDR, RTCC_DAYS_ALARM_ADDR, RTCC_ENABLE_ON, and RTCC_WRITE_ADD.
signed char RTCC_set_hours | ( | unsigned char | hours | ) |
This function writes the hours in the RTC.
hours | Hours to be written, as 2 digits BCD format (eg. 12 is 0x12 or 0b00010010). |
Definition at line 135 of file MCP7940.c.
References RTCC_HOURS_ADDR, and RTCC_WRITE_ADD.
signed char RTCC_set_hours_alarm | ( | unsigned char | hours, |
unsigned char | alarm_enable | ||
) |
This function writes the hours for the alarm, in the RTC.
hours | Hours to be written, as 2 digits BCD format (eg. 12 is 0x12 or 0b00010010). |
alarmEnable | Enable the alarm or not (for matching) [ENABLE_ON , ENABLE_OFF] |
Definition at line 356 of file MCP7940.c.
References RTCC_ALARM_CONTROL_REG_1_ADDR, RTCC_ENABLE_ON, RTCC_HOURS_ALARM_ADDR, and RTCC_WRITE_ADD.
signed char RTCC_set_minutes | ( | unsigned char | minutes | ) |
This function writes the seconds in the RTC.
minutes | Minutes to be written, as 2 digits BCD format (eg. 22 min. is 0x22 or 0b00100010). |
Definition at line 111 of file MCP7940.c.
References RTCC_MINUTES_ADDR, and RTCC_WRITE_ADD.
signed char RTCC_set_minutes_alarm | ( | unsigned char | minutes, |
unsigned char | alarm_enable | ||
) |
This function writes the minutes for the alarm, in the RTC.
minutes | Minutes to be written, as 2 digits BCD format (eg. 12 is 0x12 or 0b00010010). |
alarmEnable | Enable the alarm or not (for matching) [ENABLE_ON , ENABLE_OFF] |
Definition at line 338 of file MCP7940.c.
References RTCC_ALARM_CONTROL_REG_1_ADDR, RTCC_ENABLE_ON, RTCC_MINUTS_ALARM_ADDR, and RTCC_WRITE_ADD.
signed char RTCC_set_months | ( | unsigned char | months | ) |
This function writes the moths in the RTC.
months | Months to be written, as 2 digits BCD format (eg. 12 is 0x12 or 0b00010010). |
Definition at line 242 of file MCP7940.c.
References RTCC_MONTHS_ADDR, and RTCC_WRITE_ADD.
signed char RTCC_set_seconds | ( | unsigned char | seconds | ) |
This function writes the seconds in the RTC.
seconds | Seconds to be written, as 2 digits BCD format (eg. 22 sec. is 0x22 or 0b00100010). |
Definition at line 83 of file MCP7940.c.
References RTCC_SECONDS_ADDR, and RTCC_WRITE_ADD.
signed char RTCC_set_seconds_alarm | ( | unsigned char | seconds, |
unsigned char | alarm_enable | ||
) |
This function writes the seconds for the alarm, in the RTC.
seconds | Seconds to be written, as 2 digits BCD format (eg. 12 is 0x12 or 0b00010010). |
alarmEnable | Enable the alarm or not (for matching) [ENABLE_ON , ENABLE_OFF] |
Definition at line 320 of file MCP7940.c.
References RTCC_ALARM_CONTROL_REG_1_ADDR, RTCC_ENABLE_ON, RTCC_SECONDS_ALARM_ADDR, and RTCC_WRITE_ADD.
signed char RTCC_set_years | ( | unsigned char | years | ) |
This function writes the Year in the RTC.
years | Year to be written, as 2 digits BCD format (eg. 2012 is only 0x12 or 0b00010010). |
Definition at line 266 of file MCP7940.c.
References RTCC_WRITE_ADD, and RTCC_YEARS_ADDR.