kopia lustrzana https://github.com/pimoroni/pimoroni-pico
Tidied and reordered rtc class
ZodiusInfuser
rodzic
755da537dd
commit
f791fa1b64
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@ -34,26 +34,25 @@ namespace pimoroni {
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}
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}
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// set the speed of (or turn off) the clock output
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void PCF85063A::set_clock_output(ClockOut co) {
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uint8_t bits = i2c->reg_read_uint8(address, Registers::CONTROL_2);
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bits = (bits & ~0x07) | uint8_t(co);
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i2c->reg_write_uint8(
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address, Registers::CONTROL_2, bits);
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// i2c helper methods
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i2c_inst_t* PCF85063A::get_i2c() const {
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return i2c->get_i2c();
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}
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void PCF85063A::set_datetime(datetime_t *t) {
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static uint8_t data[7] = {
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bcd_encode((uint)t->sec),
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bcd_encode((uint)t->min),
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bcd_encode((uint)t->hour),
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bcd_encode((uint)t->day),
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bcd_encode((uint)t->dotw),
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bcd_encode((uint)t->month),
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bcd_encode((uint)t->year - 2000) // offset year
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};
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int PCF85063A::get_address() const {
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return address;
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}
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i2c->write_bytes(address, Registers::SECONDS, data, 7);
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int PCF85063A::get_sda() const {
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return i2c->get_sda();
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}
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int PCF85063A::get_scl() const {
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return i2c->get_scl();
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}
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int PCF85063A::get_int() const {
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return interrupt;
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}
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datetime_t PCF85063A::get_datetime() {
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@ -74,30 +73,26 @@ namespace pimoroni {
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return dt;
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}
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void PCF85063A::enable_alarm_interrupt(bool enable) {
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uint8_t bits = i2c->reg_read_uint8(address, Registers::CONTROL_2);
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bits = enable ? (bits | 0x80) : (bits & ~0x80);
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bits |= 0x40; // ensure alarm flag isn't reset
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i2c->reg_write_uint8(address, Registers::CONTROL_2, bits);
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}
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void PCF85063A::set_datetime(datetime_t *t) {
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static uint8_t data[7] = {
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bcd_encode((uint)t->sec),
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bcd_encode((uint)t->min),
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bcd_encode((uint)t->hour),
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bcd_encode((uint)t->day),
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bcd_encode((uint)t->dotw),
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bcd_encode((uint)t->month),
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bcd_encode((uint)t->year - 2000) // offset year
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};
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void PCF85063A::clear_alarm_flag() {
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uint8_t bits = i2c->reg_read_uint8(address, Registers::CONTROL_2);
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bits &= ~0x40;
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i2c->reg_write_uint8(address, Registers::CONTROL_2, bits);
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}
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bool PCF85063A::read_alarm_flag() {
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uint8_t bits = i2c->reg_read_uint8(address, Registers::CONTROL_2);
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return bits & 0x40;
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i2c->write_bytes(address, Registers::SECONDS, data, 7);
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}
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void PCF85063A::set_alarm(int second, int minute, int hour, int day) {
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uint8_t alarm[5] = {
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uint8_t(second != -1 ? bcd_encode(second) : 0x80),
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uint8_t(minute != -1 ? bcd_encode(minute) : 0x80),
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uint8_t(hour != -1 ? bcd_encode( hour) : 0x80),
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uint8_t(day != -1 ? bcd_encode( day) : 0x80),
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uint8_t(second != PARAM_UNUSED ? bcd_encode(second) : 0x80),
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uint8_t(minute != PARAM_UNUSED ? bcd_encode(minute) : 0x80),
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uint8_t(hour != PARAM_UNUSED ? bcd_encode( hour) : 0x80),
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uint8_t(day != PARAM_UNUSED ? bcd_encode( day) : 0x80),
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uint8_t(0x80)
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};
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@ -108,9 +103,9 @@ namespace pimoroni {
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int second, int minute, int hour, DayOfWeek dotw) {
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uint8_t alarm[5] = {
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uint8_t(second != -1 ? bcd_encode(second) : 0x80),
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uint8_t(minute != -1 ? bcd_encode(minute) : 0x80),
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uint8_t(hour != -1 ? bcd_encode( hour) : 0x80),
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uint8_t(second != PARAM_UNUSED ? bcd_encode(second) : 0x80),
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uint8_t(minute != PARAM_UNUSED ? bcd_encode(minute) : 0x80),
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uint8_t(hour != PARAM_UNUSED ? bcd_encode( hour) : 0x80),
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uint8_t(0x80),
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uint8_t(dotw != DayOfWeek::NONE ? bcd_encode( dotw) : 0x80)
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};
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@ -118,34 +113,46 @@ namespace pimoroni {
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i2c->write_bytes(address, Registers::SECOND_ALARM, alarm, 5);
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}
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void PCF85063A::enable_alarm_interrupt(bool enable) {
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uint8_t bits = i2c->reg_read_uint8(address, Registers::CONTROL_2);
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bits = enable ? (bits | 0x80) : (bits & ~0x80);
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bits |= 0x40; // ensure alarm flag isn't reset
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i2c->reg_write_uint8(address, Registers::CONTROL_2, bits);
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}
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bool PCF85063A::read_alarm_flag() {
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uint8_t bits = i2c->reg_read_uint8(address, Registers::CONTROL_2);
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return bits & 0x40;
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}
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void PCF85063A::clear_alarm_flag() {
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uint8_t bits = i2c->reg_read_uint8(address, Registers::CONTROL_2);
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bits &= ~0x40;
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i2c->reg_write_uint8(address, Registers::CONTROL_2, bits);
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}
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void PCF85063A::unset_alarm() {
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uint8_t dummy[5] = {0};
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i2c->write_bytes(address, Registers::SECOND_ALARM, dummy, 5);
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}
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void PCF85063A::enable_timer_interrupt(bool enable, bool flag_only) {
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uint8_t bits = i2c->reg_read_uint8(address, Registers::TIMER_MODE);
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bits = (bits & ~0x03) | (enable ? 0x02 : 0x00) | (flag_only ? 0x01 : 0x00);
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i2c->reg_write_uint8(address, Registers::TIMER_MODE, bits);
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}
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void PCF85063A::unset_timer() {
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uint8_t bits = i2c->reg_read_uint8(address, Registers::TIMER_MODE);
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bits &= ~0x04;
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i2c->reg_write_uint8(address, Registers::TIMER_MODE, bits);
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}
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void PCF85063A::set_timer(uint8_t ticks, TimerTickPeriod ttp) {
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uint8_t bits = i2c->reg_read_uint8(address, Registers::TIMER_MODE);
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uint8_t timer[2] = {
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ticks,
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uint8_t((bits & ~0x18) | ttp | 0x04) // mask out current ttp and set new + enable
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uint8_t((bits & ~0x18) | (ttp << 3) | 0x04) // mask out current ttp and set new + enable
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};
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i2c->write_bytes(address, Registers::TIMER_VALUE, timer, 2);
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}
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void PCF85063A::enable_timer_interrupt(bool enable, bool flag_only) {
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uint8_t bits = i2c->reg_read_uint8(address, Registers::TIMER_MODE);
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bits = (bits & ~0x03) | (enable ? 0x02 : 0x00) | (flag_only ? 0x01 : 0x00);
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i2c->reg_write_uint8(address, Registers::TIMER_MODE, bits);
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}
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bool PCF85063A::read_timer_flag() {
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uint8_t bits = i2c->reg_read_uint8(address, Registers::CONTROL_2);
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return bits & 0x08;
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@ -157,25 +164,18 @@ namespace pimoroni {
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i2c->reg_write_uint8(address, Registers::CONTROL_2, bits);
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}
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// i2c helper methods
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i2c_inst_t* PCF85063A::get_i2c() const {
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return i2c->get_i2c();
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void PCF85063A::unset_timer() {
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uint8_t bits = i2c->reg_read_uint8(address, Registers::TIMER_MODE);
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bits &= ~0x04;
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i2c->reg_write_uint8(address, Registers::TIMER_MODE, bits);
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}
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int PCF85063A::get_address() const {
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return address;
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}
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int PCF85063A::get_sda() const {
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return i2c->get_sda();
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}
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int PCF85063A::get_scl() const {
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return i2c->get_sda();
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}
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int PCF85063A::get_int() const {
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return interrupt;
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// set the speed of (or turn off) the clock output
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void PCF85063A::set_clock_output(ClockOut co) {
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uint8_t bits = i2c->reg_read_uint8(address, Registers::CONTROL_2);
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bits = (bits & ~0x07) | uint8_t(co);
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i2c->reg_write_uint8(
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address, Registers::CONTROL_2, bits);
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}
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}
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@ -14,7 +14,13 @@ namespace pimoroni {
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//--------------------------------------------------
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public:
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static const uint DEFAULT_I2C_ADDRESS = 0x51;
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static const int PARAM_UNUSED = -1;
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//--------------------------------------------------
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// Enums
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//--------------------------------------------------
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public:
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enum ClockOut : uint8_t {
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CLOCK_OUT_32768HZ = 0,
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CLOCK_OUT_16384HZ = 1,
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@ -34,26 +40,17 @@ namespace pimoroni {
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THURSDAY = 4,
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FRIDAY = 5,
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SATURDAY = 6,
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NONE = -1
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NONE = PARAM_UNUSED
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};
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enum TimerTickPeriod : int8_t {
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TIMER_TICK_4096HZ = 0b00 << 3,
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TIMER_TICK_64HZ = 0b01 << 3,
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TIMER_TICK_1HZ = 0b10 << 3,
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TIMER_TICK_1_OVER_60HZ = 0b11 << 3
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TIMER_TICK_4096HZ = 0b00,
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TIMER_TICK_64HZ = 0b01,
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TIMER_TICK_1HZ = 0b10,
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TIMER_TICK_1_OVER_60HZ = 0b11
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};
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//--------------------------------------------------
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// Variables
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//--------------------------------------------------
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private:
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I2C *i2c;
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// interface pins with our standard defaults where appropriate
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uint address = DEFAULT_I2C_ADDRESS;
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uint interrupt = PIN_UNUSED;
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enum Registers : uint8_t {
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CONTROL_1 = 0x00,
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CONTROL_2 = 0x01,
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@ -76,6 +73,18 @@ namespace pimoroni {
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TIMER_MODE = 0x11
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};
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//--------------------------------------------------
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// Variables
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//--------------------------------------------------
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private:
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I2C *i2c;
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// Interface pins with our standard defaults where appropriate
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uint address = DEFAULT_I2C_ADDRESS;
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uint interrupt = PIN_UNUSED;
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//--------------------------------------------------
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// Constructors/Destructor
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//--------------------------------------------------
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@ -92,38 +101,38 @@ namespace pimoroni {
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void init();
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void reset();
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// set and get the date and time
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// uses datetime_t from pico sdk (hardware/rtc) for compatibility
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void set_datetime(datetime_t *t);
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datetime_t get_datetime();
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// alarm manipulation methods
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void enable_alarm_interrupt(bool enable);
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void clear_alarm_flag();
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bool read_alarm_flag();
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void unset_alarm();
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void set_alarm(int second = -1, int minute = -1, int hour = -1, int day = -1);
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void set_weekday_alarm(int second = -1, int minute = -1, int hour = -1,
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DayOfWeek dotw = DayOfWeek::NONE);
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// timer manipulation methods
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void enable_timer_interrupt(bool enable, bool flag_only = false);
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void unset_timer();
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void set_timer(uint8_t ticks,
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TimerTickPeriod ttp = TimerTickPeriod::TIMER_TICK_1HZ);
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bool read_timer_flag();
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void clear_timer_flag();
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// clock output
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void set_clock_output(ClockOut co);
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// i2c instance details access methods
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// I2C instance details access methods
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i2c_inst_t* get_i2c() const;
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int get_address() const;
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int get_sda() const;
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int get_scl() const;
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int get_int() const;
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// Set and get the date and time
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// Uses datetime_t from pico sdk (hardware/rtc) for compatibility
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datetime_t get_datetime();
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void set_datetime(datetime_t *t);
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// Alarm manipulation methods
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void set_alarm(int second = PARAM_UNUSED, int minute = PARAM_UNUSED,
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int hour = PARAM_UNUSED, int day = PARAM_UNUSED);
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void set_weekday_alarm(int second = PARAM_UNUSED, int minute = PARAM_UNUSED,
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int hour = PARAM_UNUSED, DayOfWeek dotw = DayOfWeek::NONE);
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void enable_alarm_interrupt(bool enable);
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bool read_alarm_flag();
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void clear_alarm_flag();
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void unset_alarm();
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// Timer manipulation methods
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void set_timer(uint8_t ticks,
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TimerTickPeriod ttp = TimerTickPeriod::TIMER_TICK_1HZ);
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void enable_timer_interrupt(bool enable, bool flag_only = false);
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bool read_timer_flag();
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void clear_timer_flag();
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void unset_timer();
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// Clock output
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void set_clock_output(ClockOut co);
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};
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}
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