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mcp23017: use new tester package

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Also change the `tester` package slightly to use an exposed `Registers`
array rather adding yet another accessor method to retrieve a register
value. This seems to me more transparent and "obvious" - we aren't trying
to hide the fact that there's just a simple memory store there.
Also unexport the `assertRegisterRange` method which was never intended
to be part of the public API.
This commit is contained in:
Roger Peppe
2021-01-18 12:56:19 +00:00
committed by Ron Evans
parent ce5e443084
commit 8cb226938b
7 changed files with 78 additions and 169 deletions
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mcp23017/multidevice_test.go
+23 -21
View File
@@ -4,13 +4,15 @@ import (
"testing"
qt "github.com/frankban/quicktest"
"tinygo.org/x/drivers/tester"
)
func TestDevicesGetPins(t *testing.T) {
c := qt.New(t)
bus := newBus(c)
fdev0 := bus.addDevice(0x20)
fdev1 := bus.addDevice(0x21)
bus := tester.NewI2CBus(c)
fdev0 := newDevice(bus, 0x20)
fdev1 := newDevice(bus, 0x21)
fdev0.Registers[rGPIO] = 0b10101100
fdev0.Registers[rGPIO|portB] = 0b01010011
fdev1.Registers[rGPIO] = 0b10101101
@@ -31,9 +33,9 @@ func TestDevicesGetPins(t *testing.T) {
func TestDevicesSetPinsAllOff(t *testing.T) {
c := qt.New(t)
bus := newBus(c)
fdev0 := bus.addDevice(0x20)
fdev1 := bus.addDevice(0x21)
bus := tester.NewI2CBus(c)
fdev0 := newDevice(bus, 0x20)
fdev1 := newDevice(bus, 0x21)
fdev0.Registers[rGPIO] = 0b10101100
fdev0.Registers[rGPIO|portB] = 0b01010011
fdev1.Registers[rGPIO] = 0b10101101
@@ -51,9 +53,9 @@ func TestDevicesSetPinsAllOff(t *testing.T) {
func TestDevicesSetPinsAllOn(t *testing.T) {
c := qt.New(t)
bus := newBus(c)
fdev0 := bus.addDevice(0x20)
fdev1 := bus.addDevice(0x21)
bus := tester.NewI2CBus(c)
fdev0 := newDevice(bus, 0x20)
fdev1 := newDevice(bus, 0x21)
fdev0.Registers[rGPIO] = 0b10101100
fdev0.Registers[rGPIO|portB] = 0b01010011
fdev1.Registers[rGPIO] = 0b10101101
@@ -71,9 +73,9 @@ func TestDevicesSetPinsAllOn(t *testing.T) {
func TestDevicesSetPinsMask(t *testing.T) {
c := qt.New(t)
bus := newBus(c)
fdev0 := bus.addDevice(0x20)
fdev1 := bus.addDevice(0x21)
bus := tester.NewI2CBus(c)
fdev0 := newDevice(bus, 0x20)
fdev1 := newDevice(bus, 0x21)
fdev0.Registers[rGPIO] = 0b10101100
fdev0.Registers[rGPIO|portB] = 0b01010011
fdev1.Registers[rGPIO] = 0b10101101
@@ -104,9 +106,9 @@ func TestDevicesSetPinsMask(t *testing.T) {
func TestDevicesTogglePins(t *testing.T) {
c := qt.New(t)
bus := newBus(c)
bus.addDevice(0x20)
bus.addDevice(0x21)
bus := tester.NewI2CBus(c)
newDevice(bus, 0x20)
newDevice(bus, 0x21)
devs, err := NewI2CDevices(bus, 0x20, 0x21)
c.Assert(err, qt.IsNil)
@@ -124,9 +126,9 @@ func TestDevicesTogglePins(t *testing.T) {
func TestDevicesSetGetModes(t *testing.T) {
c := qt.New(t)
bus := newBus(c)
fdev0 := bus.addDevice(0x20)
fdev1 := bus.addDevice(0x21)
bus := tester.NewI2CBus(c)
fdev0 := newDevice(bus, 0x20)
fdev1 := newDevice(bus, 0x21)
devs, err := NewI2CDevices(bus, 0x20, 0x21)
c.Assert(err, qt.IsNil)
// Sanity check that IODIR registers start off all ones.
@@ -154,9 +156,9 @@ func TestDevicesSetGetModes(t *testing.T) {
func TestDevicesPin(t *testing.T) {
c := qt.New(t)
bus := newBus(c)
bus.addDevice(0x20)
fdev1 := bus.addDevice(0x21)
bus := tester.NewI2CBus(c)
newDevice(bus, 0x20)
fdev1 := newDevice(bus, 0x21)
devs, err := NewI2CDevices(bus, 0x20, 0x21)
c.Assert(err, qt.IsNil)
pin := devs.Pin(16)