go-embedded/embd
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embd
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Support SPI minor devices >255 (PR #33)

This commit is contained in:
Thorsten von Eicken 2016-09-05 23:13:14 -07:00
parent 56cb934dbf
commit 6cfa481f30
6 changed files with 9 additions and 9 deletions
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2
host/bbb/bbb.go
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@ -95,7 +95,7 @@ var ledMap = embd.LEDMap{
"beaglebone:green:usr3": []string{"3", "USR3", "usr3"},
}
var spiDeviceMinor byte = 1
var spiDeviceMinor int = 1
func ensureFeatureEnabled(id string) error {
glog.V(3).Infof("bbb: enabling feature %v", id)

2
host/chip/chip.go
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@ -18,7 +18,7 @@ import (
"github.com/kidoman/embd/host/generic"
)
var spiDeviceMinor = byte(0)
var spiDeviceMinor = 32766
var chipPins = embd.PinMap{
// official GPIO pins (U14 connector) using the pcf8574a

2
host/generic/i2cbus.go
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@ -245,7 +245,7 @@ func (b *i2cBus) WriteToReg(addr, reg byte, value []byte) error {
message.addr = uint16(addr)
message.flags = 0
message.len = uint16(len(outbuf))
message.buf = uintptr(unsafe.Pointer(&hdrp.Data))
message.buf = uintptr(unsafe.Pointer(hdrp.Data))
var packets i2c_rdwr_ioctl_data

4
host/generic/spibus.go
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@ -43,7 +43,7 @@ type spiIOCTransfer struct {
type spiBus struct {
file *os.File
spiDevMinor byte
spiDevMinor int
channel byte
mode byte
@ -63,7 +63,7 @@ func spiIOCMessageN(n uint32) uint32 {
return (spiIOCMessage0 + (n * spiIOCIncrementor))
}
func NewSPIBus(spiDevMinor, mode, channel byte, speed, bpw, delay int, i func() error) embd.SPIBus {
func NewSPIBus(spiDevMinor int, mode, channel byte, speed, bpw, delay int, i func() error) embd.SPIBus {
return &spiBus{
spiDevMinor: spiDevMinor,
mode: mode,

2
host/rpi/rpi.go
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@ -13,7 +13,7 @@ import (
"github.com/kidoman/embd/host/generic"
)
var spiDeviceMinor = byte(0)
var spiDeviceMinor = 0
var rev1Pins = embd.PinMap{
&embd.PinDesc{ID: "P1_3", Aliases: []string{"0", "GPIO_0", "SDA", "I2C0_SDA"}, Caps: embd.CapDigital | embd.CapI2C, DigitalLogical: 0},

6
spidriver.go
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@ -2,10 +2,10 @@ package embd
import "sync"
type spiBusFactory func(byte, byte, byte, int, int, int, func() error) SPIBus
type spiBusFactory func(int, byte, byte, int, int, int, func() error) SPIBus
type spiDriver struct {
spiDevMinor byte
spiDevMinor int
initializer func() error
busMap map[byte]SPIBus
@ -16,7 +16,7 @@ type spiDriver struct {
// NewSPIDriver returns a SPIDriver interface which allows control
// over the SPI bus.
func NewSPIDriver(spiDevMinor byte, sbf spiBusFactory, i func() error) SPIDriver {
func NewSPIDriver(spiDevMinor int, sbf spiBusFactory, i func() error) SPIDriver {
return &spiDriver{
spiDevMinor: spiDevMinor,
sbf: sbf,