kopia lustrzana https://github.com/pimoroni/pimoroni-pico
Cleanup RV3028 comments/whitespace
Phil Howard
rodzic
904bf657bb
commit
5ca77b6e28
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@ -183,14 +183,13 @@ namespace pimoroni {
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return set_time(times, TIME_ARRAY_LENGTH);
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}
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//Takes the time from the last build and uses it as the current time
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//Works very well as an arduino sketch
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// Takes the time from the last build and uses it as the current time
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bool RV3028::set_to_compiler_time() {
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times[TIME_SECONDS] = dec_to_bcd(BUILD_SECOND);
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times[TIME_MINUTES] = dec_to_bcd(BUILD_MINUTE);
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times[TIME_HOURS] = dec_to_bcd(BUILD_HOUR);
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//Build_Hour is 0-23, convert to 1-12 if needed
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// Build_Hour is 0-23, convert to 1-12 if needed
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if(is_12_hour()) {
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uint8_t hour = BUILD_HOUR;
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@ -205,10 +204,10 @@ namespace pimoroni {
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pm = true;
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}
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times[TIME_HOURS] = dec_to_bcd(hour); //Load the modified hours
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times[TIME_HOURS] = dec_to_bcd(hour); // Load the modified hours
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if(pm == true)
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times[TIME_HOURS] |= (1 << HOURS_AM_PM); //Set AM/PM bit if needed
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times[TIME_HOURS] |= (1 << HOURS_AM_PM); // Set AM/PM bit if needed
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}
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// Calculate weekday (from here: http://stackoverflow.com/a/21235587)
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@ -221,42 +220,42 @@ namespace pimoroni {
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times[TIME_DATE] = dec_to_bcd(BUILD_DATE);
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times[TIME_MONTH] = dec_to_bcd(BUILD_MONTH);
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times[TIME_YEAR] = dec_to_bcd(BUILD_YEAR - 2000); //! Not Y2K (or Y2.1K)-proof :(
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times[TIME_YEAR] = dec_to_bcd(BUILD_YEAR - 2000); // ! Not Y2K (or Y2.1K)-proof :(
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return set_time(times, TIME_ARRAY_LENGTH);
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}
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//Move the hours, mins, sec, etc registers from RV-3028-C7 into the _time array
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//Needs to be called before printing time or date
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//We do not protect the GPx registers. They will be overwritten. The user has plenty of RAM if they need it.
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// Move the hours, mins, sec, etc registers from RV-3028-C7 into the _time array
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// Needs to be called before printing time or date
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// We do not protect the GPx registers. They will be overwritten. The user has plenty of RAM if they need it.
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bool RV3028::update_time() {
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if(read_multiple_registers(RV3028_SECONDS, times, TIME_ARRAY_LENGTH) == false)
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return false; //Something went wrong
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return false; // Something went wrong
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if(is_12_hour())
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times[TIME_HOURS] &= ~(1 << HOURS_AM_PM); //Remove this bit from value
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times[TIME_HOURS] &= ~(1 << HOURS_AM_PM); // Remove this bit from value
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return true;
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}
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//Returns a pointer to array of chars that are the date in mm/dd/yyyy format because they're weird
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// Returns a pointer to array of chars that are the date in mm/dd/yyyy format because they're weird
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char* RV3028::string_date_usa() {
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static char date[11 + 3]; //Max of mm/dd/yyyy with \0 terminator (plus extra for worst case conversion)
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static char date[11 + 3]; // Max of mm/dd/yyyy with \0 terminator (plus extra for worst case conversion)
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sprintf(date, "%02hhu/%02hhu/20%02hhu", bcd_to_dec(times[TIME_MONTH]), bcd_to_dec(times[TIME_DATE]), bcd_to_dec(times[TIME_YEAR]));
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return date;
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}
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//Returns a pointer to array of chars that are the date in dd/mm/yyyy format
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// Returns a pointer to array of chars that are the date in dd/mm/yyyy format
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char* RV3028::string_date() {
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static char date[11 + 3]; //Max of dd/mm/yyyy with \0 terminator (plus extra for worst case conversion)
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static char date[11 + 3]; // Max of dd/mm/yyyy with \0 terminator (plus extra for worst case conversion)
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sprintf(date, "%02hhu/%02hhu/20%02hhu", bcd_to_dec(times[TIME_DATE]), bcd_to_dec(times[TIME_MONTH]), bcd_to_dec(times[TIME_YEAR]));
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return date;
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}
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//Returns a pointer to array of chars that represents the time in hh:mm:ss format
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//Adds AM/PM if in 12 hour mode
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// Returns a pointer to array of chars that represents the time in hh:mm:ss format
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// Adds AM/PM if in 12 hour mode
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char* RV3028::string_time() {
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static char time[11 + 3]; //Max of hh:mm:ssXM with \0 terminator (plus extra for worst case conversion)
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static char time[11 + 3]; // Max of hh:mm:ssXM with \0 terminator (plus extra for worst case conversion)
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if(is_12_hour() == true) {
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char half = 'A';
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@ -271,7 +270,7 @@ namespace pimoroni {
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}
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char* RV3028::string_time_stamp() {
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static char time_stamp[25 + 4]; //Max of yyyy-mm-ddThh:mm:ss.ss with \0 terminator (plus extra for worst case conversion)
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static char time_stamp[25 + 4]; // Max of yyyy-mm-ddThh:mm:ss.ss with \0 terminator (plus extra for worst case conversion)
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if(is_12_hour() == true) {
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char half = 'A';
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@ -313,13 +312,13 @@ namespace pimoroni {
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return bcd_to_dec(times[TIME_YEAR]) + 2000;
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}
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//Returns true if RTC has been configured for 12 hour mode
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// Returns true if RTC has been configured for 12 hour mode
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bool RV3028::is_12_hour() {
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uint8_t controlRegister2 = read_register(RV3028_CTRL2);
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return (controlRegister2 & (1 << CTRL2_12_24));
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}
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//Returns true if RTC has PM bit set and 12Hour bit set
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// Returns true if RTC has PM bit set and 12Hour bit set
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bool RV3028::is_pm() {
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uint8_t hourRegister = read_register(RV3028_HOURS);
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if(is_12_hour() && (hourRegister & (1 << HOURS_AM_PM)))
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@ -327,19 +326,19 @@ namespace pimoroni {
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return false;
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}
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//Configure RTC to output 1-12 hours
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//Converts any current hour setting to 12 hour
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// Configure RTC to output 1-12 hours
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// Converts any current hour setting to 12 hour
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void RV3028::set_12_hour() {
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//Do we need to change anything?
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// Do we need to change anything?
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if(is_12_hour() == false) {
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uint8_t hour = bcd_to_dec(read_register(RV3028_HOURS)); //Get the current hour in the RTC
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uint8_t hour = bcd_to_dec(read_register(RV3028_HOURS)); // Get the current hour in the RTC
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//Set the 12/24 hour bit
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// Set the 12/24 hour bit
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uint8_t setting = read_register(RV3028_CTRL2);
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setting |= (1 << CTRL2_12_24);
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write_register(RV3028_CTRL2, setting);
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//Take the current hours and convert to 12, complete with AM/PM bit
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// Take the current hours and convert to 12, complete with AM/PM bit
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bool pm = false;
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if(hour == 0)
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@ -351,46 +350,46 @@ namespace pimoroni {
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pm = true;
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}
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hour = dec_to_bcd(hour); //Convert to BCD
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hour = dec_to_bcd(hour); // Convert to BCD
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if(pm == true) hour |= (1 << HOURS_AM_PM); //Set AM/PM bit if needed
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if(pm == true) hour |= (1 << HOURS_AM_PM); // Set AM/PM bit if needed
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write_register(RV3028_HOURS, hour); //Record this to hours register
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write_register(RV3028_HOURS, hour); // Record this to hours register
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}
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}
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//Configure RTC to output 0-23 hours
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//Converts any current hour setting to 24 hour
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// Configure RTC to output 0-23 hours
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// Converts any current hour setting to 24 hour
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void RV3028::set_24_hour() {
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//Do we need to change anything?
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// Do we need to change anything?
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if(is_12_hour() == true) {
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//Not sure what changing the CTRL2 register will do to hour register so let's get a copy
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// Not sure what changing the CTRL2 register will do to hour register so let's get a copy
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uint8_t hour = read_register(RV3028_HOURS); //Get the current 12 hour formatted time in BCD
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bool pm = false;
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if(hour & (1 << HOURS_AM_PM)) { //Is the AM/PM bit set?
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if(hour & (1 << HOURS_AM_PM)) { // Is the AM/PM bit set?
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pm = true;
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hour &= ~(1 << HOURS_AM_PM); //Clear the bit
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hour &= ~(1 << HOURS_AM_PM); // Clear the bit
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}
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//Change to 24 hour mode
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// Change to 24 hour mode
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uint8_t setting = read_register(RV3028_CTRL2);
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setting &= ~(1 << CTRL2_12_24); //Clear the 12/24 hr bit
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setting &= ~(1 << CTRL2_12_24); // Clear the 12/24 hr bit
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write_register(RV3028_CTRL2, setting);
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//Given a BCD hour in the 1-12 range, make it 24
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hour = bcd_to_dec(hour); //Convert core of register to DEC
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// Given a BCD hour in the 1-12 range, make it 24
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hour = bcd_to_dec(hour); // Convert core of register to DEC
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if(pm == true) hour += 12; //2PM becomes 14
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if(hour == 12) hour = 0; //12AM stays 12, but should really be 0
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if(hour == 24) hour = 12; //12PM becomes 24, but should really be 12
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if(pm == true) hour += 12; // 2PM becomes 14
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if(hour == 12) hour = 0; // 12AM stays 12, but should really be 0
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if(hour == 24) hour = 12; // 12PM becomes 24, but should really be 12
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hour = dec_to_bcd(hour); //Convert to BCD
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hour = dec_to_bcd(hour); // Convert to BCD
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write_register(RV3028_HOURS, hour); //Record this to hours register
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write_register(RV3028_HOURS, hour); // Record this to hours register
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}
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}
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//ATTENTION: Real Time and UNIX Time are INDEPENDENT!
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// ATTENTION: Real Time and UNIX Time are INDEPENDENT!
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bool RV3028::set_unix(uint32_t value) {
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uint8_t unix_reg[4];
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unix_reg[0] = value;
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@ -401,7 +400,7 @@ namespace pimoroni {
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return write_multiple_registers(RV3028_UNIX_TIME0, unix_reg, 4);
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}
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//ATTENTION: Real Time and UNIX Time are INDEPENDENT!
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// ATTENTION: Real Time and UNIX Time are INDEPENDENT!
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uint32_t RV3028::get_unix() {
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uint8_t unix_reg[4];
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read_multiple_registers(RV3028_UNIX_TIME0, unix_reg, 4);
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@ -421,27 +420,27 @@ namespace pimoroni {
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If you want to set a weekday alarm (setWeekdayAlarm_not_Date = true), set 'date_or_weekday' from 0 (Sunday) to 6 (Saturday)
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********************************/
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void RV3028::enable_alarm_interrupt(uint8_t min, uint8_t hour, uint8_t date_or_weekday, bool set_weekday_alarm_not_date, uint8_t mode, bool enable_clock_output) {
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//disable Alarm Interrupt to prevent accidental interrupts during configuration
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// disable Alarm Interrupt to prevent accidental interrupts during configuration
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disable_alarm_interrupt();
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clear_alarm_interrupt_flag();
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//ENHANCEMENT: Add Alarm in 12 hour mode
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// ENHANCEMENT: Add Alarm in 12 hour mode
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set_24_hour();
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//Set WADA bit (Weekday/Date Alarm)
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// Set WADA bit (Weekday/Date Alarm)
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if(set_weekday_alarm_not_date)
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clear_bit(RV3028_CTRL1, CTRL1_WADA);
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else
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set_bit(RV3028_CTRL1, CTRL1_WADA);
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//Write alarm settings in registers 0x07 to 0x09
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// Write alarm settings in registers 0x07 to 0x09
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uint8_t alarmTime[3];
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alarmTime[0] = dec_to_bcd(min); //minutes
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alarmTime[1] = dec_to_bcd(hour); //hours
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alarmTime[2] = dec_to_bcd(date_or_weekday); //date or weekday
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//shift alarm enable bits
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// shift alarm enable bits
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if(mode > 0b111)
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mode = 0b111; //0 to 7 is valid
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mode = 0b111; // 0 to 7 is valid
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if(mode & 0b001)
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alarmTime[0] |= 1 << MINUTESALM_AE_M;
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@ -449,13 +448,12 @@ namespace pimoroni {
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alarmTime[1] |= 1 << HOURSALM_AE_H;
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if(mode & 0b100)
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alarmTime[2] |= 1 << DATE_AE_WD;
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//Write registers
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write_multiple_registers(RV3028_MINUTES_ALM, alarmTime, 3);
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//enable Alarm Interrupt
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enable_alarm_interrupt();
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//Clock output?
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// Clock output?
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if(enable_clock_output)
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set_bit(RV3028_INT_MASK, IMT_MASK_CAIE);
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else
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@ -466,7 +464,7 @@ namespace pimoroni {
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set_bit(RV3028_CTRL2, CTRL2_AIE);
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}
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//Only disables the interrupt (not the alarm flag)
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// Only disables the interrupt (not the alarm flag)
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void RV3028::disable_alarm_interrupt() {
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clear_bit(RV3028_CTRL2, CTRL2_AIE);
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}
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@ -499,21 +497,21 @@ namespace pimoroni {
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}
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switch(timer_frequency) {
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case 4096: // 4096Hz (default) // up to 122us error on first time
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case 4096: // 4096Hz (default) // up to 122us error on first time
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ctrl1_val &= ~3; // Clear both the bits
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break;
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case 64: // 64Hz // up to 7.813ms error on first time
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case 64: // 64Hz // up to 7.813ms error on first time
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ctrl1_val &= ~3; // Clear both the bits
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ctrl1_val |= 1;
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break;
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case 1: // 1Hz // up to 7.813ms error on first time
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case 1: // 1Hz // up to 7.813ms error on first time
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ctrl1_val &= ~3; // Clear both the bits
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ctrl1_val |= 2;
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break;
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case 60000: // 1/60Hz // up to 7.813ms error on first time
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case 60000: // 1/60Hz // up to 7.813ms error on first time
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ctrl1_val |= 3; // Set both bits
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break;
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}
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@ -526,7 +524,7 @@ namespace pimoroni {
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}
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write_register(RV3028_CTRL1, ctrl1_val);
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//Clock output?
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// Clock output?
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if(enable_clock_output)
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set_bit(RV3028_INT_MASK, IMT_MASK_CTIE);
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else
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@ -577,7 +575,7 @@ namespace pimoroni {
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set_bit(RV3028_CTRL2, CTRL2_UIE);
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//Clock output?
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// Clock output?
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if(enable_clock_output)
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set_bit(RV3028_INT_MASK, IMT_MASK_CUIE);
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else
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@ -607,23 +605,23 @@ namespace pimoroni {
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if(tcr > 3)
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return;
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//Read EEPROM Backup Register (0x37)
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// Read EEPROM Backup Register (0x37)
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uint8_t eeprom_backup = read_config_eeprom_ram_mirror(EEPROM_Backup_Register);
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//Set TCR Bits (Trickle Charge Resistor)
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eeprom_backup &= EEPROMBackup_TCR_CLEAR; //Clear TCR Bits
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eeprom_backup |= tcr << EEPROMBackup_TCR_SHIFT; //Shift values into EEPROM Backup Register
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//Write 1 to TCE Bit
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// Set TCR Bits (Trickle Charge Resistor)
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eeprom_backup &= EEPROMBackup_TCR_CLEAR; // Clear TCR Bits
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eeprom_backup |= tcr << EEPROMBackup_TCR_SHIFT; // Shift values into EEPROM Backup Register
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// Write 1 to TCE Bit
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eeprom_backup |= 1 << EEPROMBackup_TCE_BIT;
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//Write EEPROM Backup Register
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// Write EEPROM Backup Register
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write_config_eeprom_ram_mirror(EEPROM_Backup_Register, eeprom_backup);
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}
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void RV3028::disable_trickle_charge() {
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//Read EEPROM Backup Register (0x37)
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// Read EEPROM Backup Register (0x37)
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uint8_t eeprom_backup = read_config_eeprom_ram_mirror(EEPROM_Backup_Register);
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//Write 0 to TCE Bit
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// Write 0 to TCE Bit
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eeprom_backup &= ~(1 << EEPROMBackup_TCE_BIT);
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//Write EEPROM Backup Register
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// Write EEPROM Backup Register
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write_config_eeprom_ram_mirror(EEPROM_Backup_Register, eeprom_backup);
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}
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@ -640,19 +638,19 @@ namespace pimoroni {
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bool success = true;
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//Read EEPROM Backup Register (0x37)
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// Read EEPROM Backup Register (0x37)
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uint8_t eeprom_backup = read_config_eeprom_ram_mirror(EEPROM_Backup_Register);
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if(eeprom_backup == 0xFF)
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success = false;
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//Ensure FEDE Bit is set to 1
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// Ensure FEDE Bit is set to 1
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eeprom_backup |= 1 << EEPROMBackup_FEDE_BIT;
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//Set BSM Bits (Backup Switchover Mode)
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eeprom_backup &= EEPROMBackup_BSM_CLEAR; //Clear BSM Bits of EEPROM Backup Register
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eeprom_backup |= val << EEPROMBackup_BSM_SHIFT; //Shift values into EEPROM Backup Register
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// Set BSM Bits (Backup Switchover Mode)
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eeprom_backup &= EEPROMBackup_BSM_CLEAR; // Clear BSM Bits of EEPROM Backup Register
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eeprom_backup |= val << EEPROMBackup_BSM_SHIFT; // Shift values into EEPROM Backup Register
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//Write EEPROM Backup Register
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// Write EEPROM Backup Register
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if(!write_config_eeprom_ram_mirror(EEPROM_Backup_Register, eeprom_backup))
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success = false;
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@ -667,13 +665,13 @@ namespace pimoroni {
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if(freq > 7)
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return; // check out of bounds
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//Read EEPROM CLKOUT Register (0x35)
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// Read EEPROM CLKOUT Register (0x35)
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uint8_t eeprom_clkout = read_config_eeprom_ram_mirror(EEPROM_Clkout_Register);
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//Ensure CLKOE Bit is set to 1
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// Ensure CLKOE Bit is set to 1
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eeprom_clkout |= 1 << EEPROMClkout_CLKOE_BIT;
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//Shift values into EEPROM Backup Register
|
||||
// Shift values into EEPROM Backup Register
|
||||
eeprom_clkout |= freq << EEPROMClkout_FREQ_SHIFT;
|
||||
//Write EEPROM Backup Register
|
||||
// Write EEPROM Backup Register
|
||||
write_config_eeprom_ram_mirror(EEPROM_Clkout_Register, eeprom_clkout);
|
||||
}
|
||||
|
||||
|
|
@ -681,26 +679,26 @@ namespace pimoroni {
|
|||
if(freq > 7)
|
||||
return; // check out of bounds
|
||||
|
||||
//Read EEPROM CLKOUT Register (0x35)
|
||||
// Read EEPROM CLKOUT Register (0x35)
|
||||
uint8_t eeprom_clkout = read_config_eeprom_ram_mirror(EEPROM_Clkout_Register);
|
||||
//Shift values into EEPROM Backup Register
|
||||
// Shift values into EEPROM Backup Register
|
||||
eeprom_clkout |= freq << EEPROMClkout_FREQ_SHIFT;
|
||||
//Write EEPROM Backup Register
|
||||
// Write EEPROM Backup Register
|
||||
write_config_eeprom_ram_mirror(EEPROM_Clkout_Register, eeprom_clkout);
|
||||
|
||||
//Set CLKIE Bit
|
||||
// Set CLKIE Bit
|
||||
set_bit(RV3028_CTRL2, CTRL2_CLKIE);
|
||||
}
|
||||
|
||||
void RV3028::disable_clock_out() {
|
||||
//Read EEPROM CLKOUT Register (0x35)
|
||||
// Read EEPROM CLKOUT Register (0x35)
|
||||
uint8_t eeprom_clkout = read_config_eeprom_ram_mirror(EEPROM_Clkout_Register);
|
||||
//Clear CLKOE Bit
|
||||
// Clear CLKOE Bit
|
||||
eeprom_clkout &= ~(1 << EEPROMClkout_CLKOE_BIT);
|
||||
//Write EEPROM CLKOUT Register
|
||||
// Write EEPROM CLKOUT Register
|
||||
write_config_eeprom_ram_mirror(EEPROM_Clkout_Register, eeprom_clkout);
|
||||
|
||||
//Clear CLKIE Bit
|
||||
// Clear CLKIE Bit
|
||||
clear_bit(RV3028_CTRL2, CTRL2_CLKIE);
|
||||
}
|
||||
|
||||
|
|
@ -712,12 +710,12 @@ namespace pimoroni {
|
|||
clear_bit(RV3028_STATUS, STATUS_CLKF);
|
||||
}
|
||||
|
||||
//Returns the status byte
|
||||
// Returns the status byte
|
||||
uint8_t RV3028::status(void) {
|
||||
return(read_register(RV3028_STATUS));
|
||||
}
|
||||
|
||||
void RV3028::clear_interrupts() { //Read the status register to clear the current interrupt flags
|
||||
void RV3028::clear_interrupts() { // Read the status register to clear the current interrupt flags
|
||||
write_register(RV3028_STATUS, 0);
|
||||
}
|
||||
|
||||
|
|
@ -759,24 +757,24 @@ namespace pimoroni {
|
|||
bool RV3028::write_config_eeprom_ram_mirror(uint8_t eeprom_addr, uint8_t val) {
|
||||
bool success = wait_for_eeprom();
|
||||
|
||||
//Disable auto refresh by writing 1 to EERD control bit in CTRL1 register
|
||||
// Disable auto refresh by writing 1 to EERD control bit in CTRL1 register
|
||||
uint8_t ctrl1 = read_register(RV3028_CTRL1);
|
||||
ctrl1 |= 1 << CTRL1_EERD;
|
||||
|
||||
if(!write_register(RV3028_CTRL1, ctrl1))
|
||||
success = false;
|
||||
|
||||
//Write Configuration RAM Register
|
||||
// Write Configuration RAM Register
|
||||
write_register(eeprom_addr, val);
|
||||
|
||||
//Update EEPROM (All Configuration RAM -> EEPROM)
|
||||
// Update EEPROM (All Configuration RAM -> EEPROM)
|
||||
write_register(RV3028_EEPROM_CMD, EEPROMCMD_First);
|
||||
write_register(RV3028_EEPROM_CMD, EEPROMCMD_Update);
|
||||
|
||||
if(!wait_for_eeprom())
|
||||
success = false;
|
||||
|
||||
//Reenable auto refresh by writing 0 to EERD control bit in CTRL1 register
|
||||
// Reenable auto refresh by writing 0 to EERD control bit in CTRL1 register
|
||||
ctrl1 = read_register(RV3028_CTRL1);
|
||||
if(ctrl1 == 0x00)
|
||||
success = false;
|
||||
|
|
@ -793,13 +791,13 @@ namespace pimoroni {
|
|||
uint8_t RV3028::read_config_eeprom_ram_mirror(uint8_t eeprom_addr) {
|
||||
bool success = wait_for_eeprom();
|
||||
|
||||
//Disable auto refresh by writing 1 to EERD control bit in CTRL1 register
|
||||
// Disable auto refresh by writing 1 to EERD control bit in CTRL1 register
|
||||
uint8_t ctrl1 = read_register(RV3028_CTRL1);
|
||||
ctrl1 |= 1 << CTRL1_EERD;
|
||||
if(!write_register(RV3028_CTRL1, ctrl1))
|
||||
success = false;
|
||||
|
||||
//Read EEPROM Register
|
||||
// Read EEPROM Register
|
||||
write_register(RV3028_EEPROM_ADDR, eeprom_addr);
|
||||
write_register(RV3028_EEPROM_CMD, EEPROMCMD_First);
|
||||
write_register(RV3028_EEPROM_CMD, EEPROMCMD_ReadSingle);
|
||||
|
|
@ -811,7 +809,7 @@ namespace pimoroni {
|
|||
if(!wait_for_eeprom())
|
||||
success = false;
|
||||
|
||||
//Reenable auto refresh by writing 0 to EERD control bit in CTRL1 register
|
||||
// Reenable auto refresh by writing 0 to EERD control bit in CTRL1 register
|
||||
ctrl1 = read_register(RV3028_CTRL1);
|
||||
if(ctrl1 == 0x00)
|
||||
success = false;
|
||||
|
|
@ -825,7 +823,7 @@ namespace pimoroni {
|
|||
return eeprom_data;
|
||||
}
|
||||
|
||||
//True if success, false if timeout occured
|
||||
// True if success, false if timeout occured
|
||||
bool RV3028::wait_for_eeprom() {
|
||||
// Timeout is number of loops round while - don't have access to millisecond counter
|
||||
unsigned long timeout = 500;
|
||||
|
|
|
|||
|
|
@ -18,162 +18,162 @@ Distributed as-is; no warranty is given.
|
|||
#include <math.h>
|
||||
#include "pico/stdlib.h"
|
||||
|
||||
//The 7-bit I2C ADDRESS of the RV3028
|
||||
#define RV3028_ADDR 0x52
|
||||
// The 7-bit I2C ADDRESS of the RV3028
|
||||
#define RV3028_ADDR 0x52
|
||||
|
||||
|
||||
//REGISTERS
|
||||
//Clock registers
|
||||
// REGISTERS
|
||||
// Clock registers
|
||||
#define RV3028_SECONDS 0x00
|
||||
#define RV3028_MINUTES 0x01
|
||||
#define RV3028_HOURS 0x02
|
||||
//Calendar registers
|
||||
#define RV3028_WEEKDAY 0x03
|
||||
// Calendar registers
|
||||
#define RV3028_WEEKDAY 0x03
|
||||
#define RV3028_DATE 0x04
|
||||
#define RV3028_MONTHS 0x05
|
||||
#define RV3028_YEARS 0x06
|
||||
|
||||
//Alarm registers
|
||||
// Alarm registers
|
||||
#define RV3028_MINUTES_ALM 0x07
|
||||
#define RV3028_HOURS_ALM 0x08
|
||||
#define RV3028_DATE_ALM 0x09
|
||||
|
||||
//Periodic Countdown Timer registers
|
||||
#define RV3028_TIMERVAL_0 0x0A
|
||||
#define RV3028_TIMERVAL_1 0x0B
|
||||
#define RV3028_TIMERSTAT_0 0x0C
|
||||
#define RV3028_TIMERSTAT_1 0x0D
|
||||
// Periodic Countdown Timer registers
|
||||
#define RV3028_TIMERVAL_0 0x0A
|
||||
#define RV3028_TIMERVAL_1 0x0B
|
||||
#define RV3028_TIMERSTAT_0 0x0C
|
||||
#define RV3028_TIMERSTAT_1 0x0D
|
||||
|
||||
//Configuration registers
|
||||
#define RV3028_STATUS 0x0E
|
||||
// Configuration registers
|
||||
#define RV3028_STATUS 0x0E
|
||||
#define RV3028_CTRL1 0x0F
|
||||
#define RV3028_CTRL2 0x10
|
||||
#define RV3028_GPBITS 0x11
|
||||
#define RV3028_INT_MASK 0x12
|
||||
#define RV3028_GPBITS 0x11
|
||||
#define RV3028_INT_MASK 0x12
|
||||
|
||||
//Eventcontrol/Timestamp registers
|
||||
#define RV3028_EVENTCTRL 0x13
|
||||
#define RV3028_COUNT_TS 0x14
|
||||
#define RV3028_SECONDS_TS 0x15
|
||||
#define RV3028_MINUTES_TS 0x16
|
||||
#define RV3028_HOURS_TS 0x17
|
||||
#define RV3028_DATE_TS 0x18
|
||||
#define RV3028_MONTH_TS 0x19
|
||||
#define RV3028_YEAR_TS 0x1A
|
||||
// Eventcontrol/Timestamp registers
|
||||
#define RV3028_EVENTCTRL 0x13
|
||||
#define RV3028_COUNT_TS 0x14
|
||||
#define RV3028_SECONDS_TS 0x15
|
||||
#define RV3028_MINUTES_TS 0x16
|
||||
#define RV3028_HOURS_TS 0x17
|
||||
#define RV3028_DATE_TS 0x18
|
||||
#define RV3028_MONTH_TS 0x19
|
||||
#define RV3028_YEAR_TS 0x1A
|
||||
|
||||
//Unix Time registers
|
||||
#define RV3028_UNIX_TIME0 0x1B
|
||||
#define RV3028_UNIX_TIME1 0x1C
|
||||
#define RV3028_UNIX_TIME2 0x1D
|
||||
#define RV3028_UNIX_TIME3 0x1E
|
||||
// Unix Time registers
|
||||
#define RV3028_UNIX_TIME0 0x1B
|
||||
#define RV3028_UNIX_TIME1 0x1C
|
||||
#define RV3028_UNIX_TIME2 0x1D
|
||||
#define RV3028_UNIX_TIME3 0x1E
|
||||
|
||||
//RAM registers
|
||||
#define RV3028_USER_RAM1 0x1F
|
||||
#define RV3028_USER_RAM2 0x20
|
||||
// RAM registers
|
||||
#define RV3028_USER_RAM1 0x1F
|
||||
#define RV3028_USER_RAM2 0x20
|
||||
|
||||
//Password registers
|
||||
#define RV3028_PASSWORD0 0x21
|
||||
#define RV3028_PASSWORD1 0x22
|
||||
#define RV3028_PASSWORD2 0x23
|
||||
#define RV3028_PASSWORD3 0x24
|
||||
// Password registers
|
||||
#define RV3028_PASSWORD0 0x21
|
||||
#define RV3028_PASSWORD1 0x22
|
||||
#define RV3028_PASSWORD2 0x23
|
||||
#define RV3028_PASSWORD3 0x24
|
||||
|
||||
//EEPROM Memory Control registers
|
||||
#define RV3028_EEPROM_ADDR 0x25
|
||||
#define RV3028_EEPROM_DATA 0x26
|
||||
#define RV3028_EEPROM_CMD 0x27
|
||||
// EEPROM Memory Control registers
|
||||
#define RV3028_EEPROM_ADDR 0x25
|
||||
#define RV3028_EEPROM_DATA 0x26
|
||||
#define RV3028_EEPROM_CMD 0x27
|
||||
|
||||
//ID register
|
||||
#define RV3028_ID 0x28
|
||||
#define RV3028_CHIP_ID 0x30
|
||||
#define RV3028_VERSION 0x03
|
||||
// ID register
|
||||
#define RV3028_ID 0x28
|
||||
#define RV3028_CHIP_ID 0x30
|
||||
#define RV3028_VERSION 0x03
|
||||
|
||||
//EEPROM Registers
|
||||
#define EEPROM_Clkout_Register 0x35
|
||||
#define RV3028_EEOffset_8_1 0x36 //bits 8 to 1 of EEOffset. Bit 0 is bit 7 of register 0x37
|
||||
#define EEPROM_Backup_Register 0x37
|
||||
// EEPROM Registers
|
||||
#define EEPROM_Clkout_Register 0x35
|
||||
#define RV3028_EEOffset_8_1 0x36 // bits 8 to 1 of EEOffset. Bit 0 is bit 7 of register 0x37
|
||||
#define EEPROM_Backup_Register 0x37
|
||||
|
||||
|
||||
//BITS IN IMPORTANT REGISTERS
|
||||
// BITS IN IMPORTANT REGISTERS
|
||||
|
||||
//Bits in Status Register
|
||||
#define STATUS_EEBUSY 7
|
||||
#define STATUS_CLKF 6
|
||||
// Bits in Status Register
|
||||
#define STATUS_EEBUSY 7
|
||||
#define STATUS_CLKF 6
|
||||
#define STATUS_BSF 5
|
||||
#define STATUS_UF 4
|
||||
#define STATUS_TF 3
|
||||
#define STATUS_AF 2
|
||||
#define STATUS_UF 4
|
||||
#define STATUS_TF 3
|
||||
#define STATUS_AF 2
|
||||
#define STATUS_EVF 1
|
||||
#define STATUS_PORF 0
|
||||
#define STATUS_PORF 0
|
||||
|
||||
//Bits in Control1 Register
|
||||
// Bits in Control1 Register
|
||||
#define CTRL1_TRPT 7
|
||||
#define CTRL1_WADA 5//Bit 6 not implemented
|
||||
#define CTRL1_WADA 5 // Bit 6 not implemented
|
||||
#define CTRL1_USEL 4
|
||||
#define CTRL1_EERD 3
|
||||
#define CTRL1_TE 2
|
||||
#define CTRL1_TD1 1
|
||||
#define CTRL1_TD0 0
|
||||
#define CTRL1_TE 2
|
||||
#define CTRL1_TD1 1
|
||||
#define CTRL1_TD0 0
|
||||
|
||||
//Bits in Control2 Register
|
||||
#define CTRL2_TSE 7
|
||||
#define CTRL2_CLKIE 6
|
||||
#define CTRL2_UIE 5
|
||||
#define CTRL2_TIE 4
|
||||
#define CTRL2_AIE 3
|
||||
#define CTRL2_EIE 2
|
||||
#define CTRL2_12_24 1
|
||||
#define CTRL2_RESET 0
|
||||
// Bits in Control2 Register
|
||||
#define CTRL2_TSE 7
|
||||
#define CTRL2_CLKIE 6
|
||||
#define CTRL2_UIE 5
|
||||
#define CTRL2_TIE 4
|
||||
#define CTRL2_AIE 3
|
||||
#define CTRL2_EIE 2
|
||||
#define CTRL2_12_24 1
|
||||
#define CTRL2_RESET 0
|
||||
|
||||
//Bits in Hours register
|
||||
#define HOURS_AM_PM 5
|
||||
// Bits in Hours register
|
||||
#define HOURS_AM_PM 5
|
||||
|
||||
//Bits in Alarm registers
|
||||
#define MINUTESALM_AE_M 7
|
||||
#define HOURSALM_AE_H 7
|
||||
// Bits in Alarm registers
|
||||
#define MINUTESALM_AE_M 7
|
||||
#define HOURSALM_AE_H 7
|
||||
#define DATE_AE_WD 7
|
||||
|
||||
//Commands for EEPROM Command Register (0x27)
|
||||
#define EEPROMCMD_First 0x00
|
||||
#define EEPROMCMD_Update 0x11
|
||||
// Commands for EEPROM Command Register (0x27)
|
||||
#define EEPROMCMD_First 0x00
|
||||
#define EEPROMCMD_Update 0x11
|
||||
#define EEPROMCMD_Refresh 0x12
|
||||
#define EEPROMCMD_WriteSingle 0x21
|
||||
#define EEPROMCMD_ReadSingle 0x22
|
||||
#define EEPROMCMD_WriteSingle 0x21
|
||||
#define EEPROMCMD_ReadSingle 0x22
|
||||
|
||||
//Bits in EEPROM Backup Register
|
||||
#define EEPROMBackup_TCE_BIT 5 //Trickle Charge Enable Bit
|
||||
#define EEPROMBackup_FEDE_BIT 4 //Fast Edge Detection Enable Bit (for Backup Switchover Mode)
|
||||
#define EEPROMBackup_BSM_SHIFT 2 //Backup Switchover Mode shift
|
||||
#define EEPROMBackup_TCR_SHIFT 0 //Trickle Charge Resistor shift
|
||||
// Bits in EEPROM Backup Register
|
||||
#define EEPROMBackup_TCE_BIT 5 // Trickle Charge Enable Bit
|
||||
#define EEPROMBackup_FEDE_BIT 4 // Fast Edge Detection Enable Bit (for Backup Switchover Mode)
|
||||
#define EEPROMBackup_BSM_SHIFT 2 // Backup Switchover Mode shift
|
||||
#define EEPROMBackup_TCR_SHIFT 0 // Trickle Charge Resistor shift
|
||||
|
||||
#define EEPROMBackup_BSM_CLEAR 0b11110011 //Backup Switchover Mode clear
|
||||
#define EEPROMBackup_TCR_CLEAR 0b11111100 //Trickle Charge Resistor clear
|
||||
#define TCR_3K 0b00 //Trickle Charge Resistor 3kOhm
|
||||
#define TCR_5K 0b01 //Trickle Charge Resistor 5kOhm
|
||||
#define TCR_9K 0b10 //Trickle Charge Resistor 9kOhm
|
||||
#define TCR_15K 0b11 //Trickle Charge Resistor 15kOhm
|
||||
#define EEPROMBackup_BSM_CLEAR 0b11110011 // Backup Switchover Mode clear
|
||||
#define EEPROMBackup_TCR_CLEAR 0b11111100 // Trickle Charge Resistor clear
|
||||
#define TCR_3K 0b00 // Trickle Charge Resistor 3kOhm
|
||||
#define TCR_5K 0b01 // Trickle Charge Resistor 5kOhm
|
||||
#define TCR_9K 0b10 // Trickle Charge Resistor 9kOhm
|
||||
#define TCR_15K 0b11 // Trickle Charge Resistor 15kOhm
|
||||
|
||||
|
||||
// Clock output register (0x35)
|
||||
#define EEPROMClkout_CLKOE_BIT 7 //1 = CLKOUT pin is enabled. – Default value on delivery
|
||||
#define EEPROMClkout_CLKSY_BIT 6
|
||||
#define EEPROMClkout_CLKOE_BIT 7 // 1 = CLKOUT pin is enabled. – Default value on delivery
|
||||
#define EEPROMClkout_CLKSY_BIT 6
|
||||
// Bits 5 and 4 not implemented
|
||||
#define EEPROMClkout_PORIE 3 //0 = No interrupt, or canceled, signal on INT pin at POR. – Default value on delivery
|
||||
//1 = An interrupt signal on INT pin at POR. Retained until the PORF flag is cleared to 0 (no automatic cancellation).
|
||||
#define EEPROMClkout_FREQ_SHIFT 0 //frequency shift
|
||||
#define FD_CLKOUT_32k 0b000 //32.768 kHz – Default value on delivery
|
||||
#define FD_CLKOUT_8192 0b001 //8192 Hz
|
||||
#define FD_CLKOUT_1024 0b010 //1024 Hz
|
||||
#define FD_CLKOUT_64 0b011 //64 Hz
|
||||
#define FD_CLKOUT_32 0b100 //32 Hz
|
||||
#define FD_CLKOUT_1 0b101 //1 Hz
|
||||
#define FD_CLKOUT_TIMER 0b110 //Predefined periodic countdown timer interrupt
|
||||
#define FD_CLKOUT_LOW 0b111 //CLKOUT = LOW
|
||||
#define EEPROMClkout_PORIE 3 // 0 = No interrupt, or canceled, signal on INT pin at POR. – Default value on delivery
|
||||
// 1 = An interrupt signal on INT pin at POR. Retained until the PORF flag is cleared to 0 (no automatic cancellation).
|
||||
#define EEPROMClkout_FREQ_SHIFT 0 // frequency shift
|
||||
#define FD_CLKOUT_32k 0b000 // 32.768 kHz – Default value on delivery
|
||||
#define FD_CLKOUT_8192 0b001 // 8192 Hz
|
||||
#define FD_CLKOUT_1024 0b010 // 1024 Hz
|
||||
#define FD_CLKOUT_64 0b011 // 64 Hz
|
||||
#define FD_CLKOUT_32 0b100 // 32 Hz
|
||||
#define FD_CLKOUT_1 0b101 // 1 Hz
|
||||
#define FD_CLKOUT_TIMER 0b110 // Predefined periodic countdown timer interrupt
|
||||
#define FD_CLKOUT_LOW 0b111 // CLKOUT = LOW
|
||||
|
||||
|
||||
#define IMT_MASK_CEIE 3 //Clock output when Event Interrupt bit.
|
||||
#define IMT_MASK_CAIE 2 //Clock output when Alarm Interrupt bit.
|
||||
#define IMT_MASK_CTIE 1 //Clock output when Periodic Countdown Timer Interrupt bit.
|
||||
#define IMT_MASK_CUIE 0 //Clock output when Periodic Time Update Interrupt bit.
|
||||
#define IMT_MASK_CEIE 3 // Clock output when Event Interrupt bit.
|
||||
#define IMT_MASK_CAIE 2 // Clock output when Alarm Interrupt bit.
|
||||
#define IMT_MASK_CTIE 1 // Clock output when Periodic Countdown Timer Interrupt bit.
|
||||
#define IMT_MASK_CUIE 0 // Clock output when Periodic Time Update Interrupt bit.
|
||||
|
||||
|
||||
#define TIME_ARRAY_LENGTH 7 // Total number of writable values in device
|
||||
|
|
@ -249,14 +249,14 @@ namespace pimoroni {
|
|||
bool set_date(uint8_t value);
|
||||
bool set_month(uint8_t value);
|
||||
bool set_year(uint16_t value);
|
||||
bool set_to_compiler_time(); //Uses the hours, mins, etc from compile time to set RTC
|
||||
bool set_to_compiler_time(); // Uses the hours, mins, etc from compile time to set RTC
|
||||
|
||||
bool update_time(); //Update the local array with the RTC registers
|
||||
bool update_time(); // Update the local array with the RTC registers
|
||||
|
||||
char* string_date_usa(); //Return date in mm-dd-yyyy
|
||||
char* string_date(); //Return date in dd-mm-yyyy
|
||||
char* string_time(); //Return time hh:mm:ss with AM/PM if in 12 hour mode
|
||||
char* string_time_stamp(); //Return timeStamp in ISO 8601 format yyyy-mm-ddThh:mm:ss
|
||||
char* string_date_usa(); // Return date in mm-dd-yyyy
|
||||
char* string_date(); // Return date in dd-mm-yyyy
|
||||
char* string_time(); // Return time hh:mm:ss with AM/PM if in 12 hour mode
|
||||
char* string_time_stamp(); // Return timeStamp in ISO 8601 format yyyy-mm-ddThh:mm:ss
|
||||
|
||||
uint8_t get_seconds();
|
||||
uint8_t get_minutes();
|
||||
|
|
@ -266,12 +266,12 @@ namespace pimoroni {
|
|||
uint8_t get_month();
|
||||
uint16_t get_year();
|
||||
|
||||
bool is_12_hour(); //Returns true if 12hour bit is set
|
||||
bool is_pm(); //Returns true if is12Hour and PM bit is set
|
||||
bool is_12_hour(); // Returns true if 12hour bit is set
|
||||
bool is_pm(); // Returns true if is12Hour and PM bit is set
|
||||
void set_12_hour();
|
||||
void set_24_hour();
|
||||
|
||||
bool set_unix(uint32_t value); //Set the UNIX Time (Real Time and UNIX Time are INDEPENDENT!)
|
||||
bool set_unix(uint32_t value); // Set the UNIX Time (Real Time and UNIX Time are INDEPENDENT!)
|
||||
uint32_t get_unix();
|
||||
|
||||
void enable_alarm_interrupt(uint8_t min, uint8_t hour, uint8_t date_or_weekday, bool set_weekday_alarm_not_date, uint8_t mode, bool enable_clock_output = false);
|
||||
|
|
@ -294,7 +294,7 @@ namespace pimoroni {
|
|||
bool read_periodic_update_interrupt_flag();
|
||||
void clear_periodic_update_interrupt_flag();
|
||||
|
||||
void enable_trickle_charge(uint8_t tcr = TCR_15K); //Trickle Charge Resistor default 15k
|
||||
void enable_trickle_charge(uint8_t tcr = TCR_15K); // Trickle Charge Resistor default 15k
|
||||
void disable_trickle_charge();
|
||||
bool set_backup_switchover_mode(uint8_t val);
|
||||
|
||||
|
|
@ -304,11 +304,11 @@ namespace pimoroni {
|
|||
bool read_clock_output_interrupt_flag();
|
||||
void clear_clock_output_interrupt_flag();
|
||||
|
||||
uint8_t status(); //Returns the status byte
|
||||
uint8_t status(); // Returns the status byte
|
||||
void clear_interrupts();
|
||||
|
||||
private:
|
||||
//Values in RTC are stored in Binary Coded Decimal. These functions convert to/from Decimal
|
||||
// Values in RTC are stored in Binary Coded Decimal. These functions convert to/from Decimal
|
||||
uint8_t bcd_to_dec(uint8_t val);
|
||||
uint8_t dec_to_bcd(uint8_t val);
|
||||
|
||||
|
|
@ -333,8 +333,8 @@ private:
|
|||
void clear_bits(uint8_t reg, uint8_t shift, uint8_t mask = 0b1);
|
||||
};
|
||||
|
||||
//POSSIBLE ENHANCEMENTS :
|
||||
//ENHANCEMENT: Battery Interrupt / check battery voltage
|
||||
//ENHANCEMENT: External Event Interrupt
|
||||
// POSSIBLE ENHANCEMENTS :
|
||||
// ENHANCEMENT: Battery Interrupt / check battery voltage
|
||||
// ENHANCEMENT: External Event Interrupt
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -28,11 +28,11 @@ int main() {
|
|||
rtc.enable_periodic_update_interrupt(true);
|
||||
|
||||
while(true) {
|
||||
//Has a second passed?
|
||||
// Has a second passed?
|
||||
if(rtc.read_periodic_update_interrupt_flag()) {
|
||||
rtc.clear_periodic_update_interrupt_flag();
|
||||
|
||||
//Update the locally stored time from the RTC
|
||||
// Update the locally stored time from the RTC
|
||||
if(rtc.update_time()) {
|
||||
printf("Date: %s, Time: %s\n", rtc.string_date(), rtc.string_time());
|
||||
gpio_put(PICO_DEFAULT_LED_PIN, true);
|
||||
|
|
|
|||
Ładowanie…
Reference in New Issue