diff --git a/examples/up2_lcd.go b/examples/up2_lcd.go new file mode 100644 index 00000000..79e5d0ab --- /dev/null +++ b/examples/up2_lcd.go @@ -0,0 +1,49 @@ +// +build example +// +// Do not build by default. + +package main + +import ( + "time" + + "gobot.io/x/gobot" + "gobot.io/x/gobot/drivers/i2c" + "gobot.io/x/gobot/platforms/upboard/up2" +) + +func main() { + board := up2.NewAdaptor() + screen := i2c.NewGroveLcdDriver(board) + + work := func() { + screen.Write("hello") + + screen.SetRGB(255, 0, 0) + + gobot.After(5*time.Second, func() { + screen.Clear() + screen.Home() + screen.SetRGB(0, 255, 0) + // set a custom character in the first position + screen.SetCustomChar(0, i2c.CustomLCDChars["smiley"]) + // add the custom character at the end of the string + screen.Write("goodbye\nhave a nice day " + string(byte(0))) + gobot.Every(500*time.Millisecond, func() { + screen.Scroll(false) + }) + }) + + screen.Home() + time.Sleep(1 * time.Second) + screen.SetRGB(0, 0, 255) + } + + robot := gobot.NewRobot("screenBot", + []gobot.Connection{board}, + []gobot.Device{screen}, + work, + ) + + robot.Start() +} diff --git a/platforms/upboard/up2/adaptor.go b/platforms/upboard/up2/adaptor.go index ad65215c..111b0163 100644 --- a/platforms/upboard/up2/adaptor.go +++ b/platforms/upboard/up2/adaptor.go @@ -23,7 +23,7 @@ type Adaptor struct { pinmap map[string]sysfsPin digitalPins map[int]*sysfs.DigitalPin pwmPins map[int]*sysfs.PWMPin - i2cBuses [2]i2c.I2cDevice + i2cBuses [6]i2c.I2cDevice mutex *sync.Mutex spiDefaultBus int spiDefaultChip int @@ -209,12 +209,12 @@ func (c *Adaptor) PWMPin(pin string) (sysfsPin sysfs.PWMPinner, err error) { } // GetConnection returns a connection to a device on a specified bus. -// Valid bus number is [0..1] which corresponds to /dev/i2c-0 through /dev/i2c-1. +// Valid bus number is [5..6] which corresponds to /dev/i2c-5 through /dev/i2c-6. func (c *Adaptor) GetConnection(address int, bus int) (connection i2c.Connection, err error) { c.mutex.Lock() defer c.mutex.Unlock() - if (bus < 0) || (bus > 1) { + if (bus < 5) || (bus > 6) { return nil, fmt.Errorf("Bus number %d out of range", bus) } if c.i2cBuses[bus] == nil { @@ -225,7 +225,7 @@ func (c *Adaptor) GetConnection(address int, bus int) (connection i2c.Connection // GetDefaultBus returns the default i2c bus for this platform func (c *Adaptor) GetDefaultBus() int { - return 0 + return 5 } // GetSpiConnection returns an spi connection to a device on a specified bus. diff --git a/platforms/upboard/up2/adaptor_test.go b/platforms/upboard/up2/adaptor_test.go index 87e79274..7d23e37c 100644 --- a/platforms/upboard/up2/adaptor_test.go +++ b/platforms/upboard/up2/adaptor_test.go @@ -86,12 +86,12 @@ func TestAdaptorDigitalReadWriteError(t *testing.T) { func TestUP2AdaptorI2c(t *testing.T) { a := NewAdaptor() fs := sysfs.NewMockFilesystem([]string{ - "/dev/i2c-0", + "/dev/i2c-5", }) sysfs.SetFilesystem(fs) sysfs.SetSyscall(&sysfs.MockSyscall{}) - con, err := a.GetConnection(0xff, 0) + con, err := a.GetConnection(0xff, 5) gobottest.Assert(t, err, nil) con.Write([]byte{0x00, 0x01}) @@ -175,7 +175,7 @@ func TestUP2AdaptorPwmReadError(t *testing.T) { func TestUP2I2CDefaultBus(t *testing.T) { a, _ := initTestUP2Adaptor() - gobottest.Assert(t, a.GetDefaultBus(), 0) + gobottest.Assert(t, a.GetDefaultBus(), 5) } func TestUP2GetConnectionInvalidBus(t *testing.T) {