45 lines
1.0 KiB
Go
45 lines
1.0 KiB
Go
package modem
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import (
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"fmt"
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"time"
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gpio "github.com/warthog618/go-gpiocdev"
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)
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func (m *modem) PowerOn() error {
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c, err := gpio.NewChip(m.deviceName)
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if err != nil {
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return fmt.Errorf("gpio new chip: %w", err)
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}
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l, err := c.RequestLine(m.powerKey, gpio.AsOutput(0))
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if err != nil {
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return fmt.Errorf("gpio request line: %w", err)
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}
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m.gpioLine = l
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time.Sleep(100 * time.Millisecond)
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if err := m.gpioLine.SetValue(1); err != nil {
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return fmt.Errorf("gpio set value: %w", err)
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}
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time.Sleep(3 * time.Second)
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if err := m.gpioLine.SetValue(0); err != nil {
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return fmt.Errorf("gpio set value: %w", err)
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}
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time.Sleep(30 * time.Second)
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return nil
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}
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func (m *modem) PowerOff() error {
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time.Sleep(100 * time.Millisecond)
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if err := m.gpioLine.SetValue(1); err != nil {
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return fmt.Errorf("gpio set value: %w", err)
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}
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time.Sleep(3 * time.Second)
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if err := m.gpioLine.SetValue(0); err != nil {
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return fmt.Errorf("gpio set value: %w", err)
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}
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time.Sleep(30 * time.Second)
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m.gpioLine = nil
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return nil
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}
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