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Add 16-bit register mock device

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This commit is contained in:
Kenneth Bell
2021-03-30 21:43:45 -07:00
committed by Ron Evans
parent f7dc106fc8
commit 91dadd5535
7 changed files with 239 additions and 61 deletions
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tester/i2c.go
+6 -6
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@@ -5,7 +5,7 @@ import "fmt"
// I2CBus implements the I2C interface in memory for testing.
type I2CBus struct {
c Failer
devices []*I2CDevice
devices []I2CDevice
}
// NewI2CBus returns an I2CBus mock I2C instance that uses c to flag errors
@@ -19,9 +19,9 @@ func NewI2CBus(c Failer) *I2CBus {
// AddDevice adds a new mock device to the mock I2C bus.
// It panics if a device with the same address is added more than once.
func (bus *I2CBus) AddDevice(d *I2CDevice) {
func (bus *I2CBus) AddDevice(d I2CDevice) {
for _, dev := range bus.devices {
if dev.Addr() == d.addr {
if dev.Addr() == d.Addr() {
panic(fmt.Errorf("device already added at address %#x", d))
}
}
@@ -30,8 +30,8 @@ func (bus *I2CBus) AddDevice(d *I2CDevice) {
// NewDevice creates a new device with the given address
// and adds it to the mock I2C bus.
func (bus *I2CBus) NewDevice(addr uint8) *I2CDevice {
dev := NewI2CDevice(bus.c, addr)
func (bus *I2CBus) NewDevice(addr uint8) *I2CDevice8 {
dev := NewI2CDevice8(bus.c, addr)
bus.AddDevice(dev)
return dev
}
@@ -53,7 +53,7 @@ func (bus *I2CBus) Tx(addr uint16, w, r []byte) error {
}
// FindDevice returns the device with the given address.
func (bus *I2CBus) FindDevice(addr uint8) *I2CDevice {
func (bus *I2CBus) FindDevice(addr uint8) I2CDevice {
for _, dev := range bus.devices {
if dev.Addr() == addr {
return dev