40 lines
847 B
Go
40 lines
847 B
Go
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package mfrc522
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import "fmt"
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func (d *MFRC522Common) readByteData(reg uint8) (uint8, error) {
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if d.connection == nil {
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return 0, fmt.Errorf("not connected")
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}
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return d.connection.ReadByteData(reg)
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}
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func (d *MFRC522Common) writeByteData(reg uint8, data uint8) error {
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if d.connection == nil {
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return fmt.Errorf("not connected")
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}
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return d.connection.WriteByteData(reg, data)
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}
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func (d *MFRC522Common) setRegisterBitMask(reg uint8, mask uint8) error {
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val, err := d.readByteData(reg)
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if err != nil {
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return err
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}
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if err := d.writeByteData(reg, val|mask); err != nil {
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return err
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}
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return nil
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}
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func (d *MFRC522Common) clearRegisterBitMask(reg uint8, mask uint8) error {
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val, err := d.readByteData(reg)
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if err != nil {
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return err
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}
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if err := d.writeByteData(reg, val&^mask); err != nil {
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return err
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}
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return nil
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}
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