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sago35
32 lines
649 B
Go
32 lines
649 B
Go
package main
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import (
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"machine"
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"time"
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"tinygo.org/x/drivers/pcf8563"
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)
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var (
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i2c = machine.I2C0
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rtc = pcf8563.New(i2c)
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)
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func main() {
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i2c.Configure(machine.I2CConfig{Frequency: machine.TWI_FREQ_400KHZ})
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rtc.Reset()
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for {
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rtc.SetOscillatorFrequency(pcf8563.RTC_COT_1HZ)
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time.Sleep(3 * time.Second)
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rtc.SetOscillatorFrequency(pcf8563.RTC_COT_32HZ)
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time.Sleep(3 * time.Second)
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rtc.SetOscillatorFrequency(pcf8563.RTC_COT_1KHZ)
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time.Sleep(3 * time.Second)
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rtc.SetOscillatorFrequency(pcf8563.RTC_COT_32KHZ)
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time.Sleep(3 * time.Second)
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rtc.SetOscillatorFrequency(pcf8563.RTC_COT_DISABLE)
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time.Sleep(3 * time.Second)
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}
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}
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