80 lines
1.7 KiB
Go
80 lines
1.7 KiB
Go
package digispark
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//#cgo pkg-config: libusb
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//#include "littleWire.h"
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//#include "littleWire_servo.h"
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//typedef usb_dev_handle littleWire;
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import "C"
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import "errors"
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type lw interface {
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digitalWrite(uint8, uint8) error
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pinMode(uint8, uint8) error
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pwmInit() error
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pwmStop() error
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pwmUpdateCompare(uint8, uint8) error
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pwmUpdatePrescaler(uint) error
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servoInit() error
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servoUpdateLocation(uint8, uint8) error
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error() error
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}
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type littleWire struct {
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lwHandle *C.littleWire
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}
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func littleWireConnect() *littleWire {
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return &littleWire{
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lwHandle: C.littleWire_connect(),
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}
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}
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func (l *littleWire) digitalWrite(pin uint8, state uint8) error {
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C.digitalWrite(l.lwHandle, C.uchar(pin), C.uchar(state))
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return l.error()
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}
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func (l *littleWire) pinMode(pin uint8, mode uint8) error {
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C.pinMode(l.lwHandle, C.uchar(pin), C.uchar(mode))
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return l.error()
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}
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func (l *littleWire) pwmInit() error {
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C.pwm_init(l.lwHandle)
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return l.error()
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}
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func (l *littleWire) pwmStop() error {
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C.pwm_stop(l.lwHandle)
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return l.error()
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}
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func (l *littleWire) pwmUpdateCompare(channelA uint8, channelB uint8) error {
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C.pwm_updateCompare(l.lwHandle, C.uchar(channelA), C.uchar(channelB))
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return l.error()
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}
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func (l *littleWire) pwmUpdatePrescaler(value uint) error {
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C.pwm_updatePrescaler(l.lwHandle, C.uint(value))
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return l.error()
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}
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func (l *littleWire) servoInit() error {
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C.servo_init(l.lwHandle)
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return l.error()
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}
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func (l *littleWire) servoUpdateLocation(locationA uint8, locationB uint8) error {
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C.servo_updateLocation(l.lwHandle, C.uchar(locationA), C.uchar(locationB))
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return l.error()
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}
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func (l *littleWire) error() error {
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str := C.GoString(C.littleWire_errorName())
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if str != "" {
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return errors.New(str)
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}
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return nil
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}
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