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pcf8563: add support for pcf8563 real time clock

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This commit is contained in:
sago35
2021-05-09 13:44:05 +09:00
committed by Ron Evans
parent 91dadd5535
commit 761bcfc4db
8 changed files with 453 additions and 2 deletions
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examples/pcf8563/clkout/main.go
+31
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@@ -0,0 +1,31 @@
package main
import (
"machine"
"time"
"tinygo.org/x/drivers/pcf8563"
)
var (
i2c = machine.I2C0
rtc = pcf8563.New(i2c)
)
func main() {
i2c.Configure(machine.I2CConfig{Frequency: machine.TWI_FREQ_400KHZ})
rtc.Reset()
for {
rtc.SetOscillatorFrequency(pcf8563.RTC_COT_1HZ)
time.Sleep(3 * time.Second)
rtc.SetOscillatorFrequency(pcf8563.RTC_COT_32HZ)
time.Sleep(3 * time.Second)
rtc.SetOscillatorFrequency(pcf8563.RTC_COT_1KHZ)
time.Sleep(3 * time.Second)
rtc.SetOscillatorFrequency(pcf8563.RTC_COT_32KHZ)
time.Sleep(3 * time.Second)
rtc.SetOscillatorFrequency(pcf8563.RTC_COT_DISABLE)
time.Sleep(3 * time.Second)
}
}