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Fix Codacy lint/security warnings

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This commit is contained in:
Terence Boldt 2021-11-03 05:33:09 -04:00 committed by GitHub
parent c864b5e28d
commit b37855dbfd
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
17 changed files with 196 additions and 156 deletions
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12
.github/ISSUE_TEMPLATE/bug_report.md vendored
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@ -20,14 +20,14 @@ Steps to reproduce the behavior:
A clear and concise description of what you expected to happen.
**Hardware (please complete the following information):**
- Host computer [e.g. ][, ][+, //e, IIgs, etc.]
- Additional cards [e.g. Disk ][, 80 column, TranswarpGS, etc.]
- Apple2-IO-RPi Version [e.g. prototype 4, prototype 5]
- Origin [e.g. Self-made, purchased without RPi, purchased with RPi]
- When was firmware last updated
- Host computer (e.g. II, II+, //e, IIgs, etc.)
- Additional cards (e.g. Disk II, 80 column, TranswarpGS, etc.)
- Apple2-IO-RPi Version (e.g. prototype 4, prototype 5)
- Origin (e.g. Self-made, purchased without RPi, purchased with RPi)
- When was firmware last updated
**Software (please complete the following information):**
- When was repo on the card last updated build performed
- When was repo on the card last updated build performed
**Additional context**
Add any other context about the problem here.

8
.github/ISSUE_TEMPLATE/feature_request.md → .github/ISSUE_TEMPLATE/enhancement_request.md vendored
View File

@ -1,14 +1,14 @@
---
name: Feature request
about: Suggest an idea for this project
title: 'Feature: '
name: Enhancement request
about: Suggest an improvement for this project
title: 'Enhancement: '
labels: ''
assignees: ''
---
**Is your feature request related to a problem? Please describe.**
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
A clear and concise description of what the problem is.
**Describe the solution you'd like**
A clear and concise description of what you want to happen.

2
Apple2/assemble.sh
View File

@ -43,7 +43,7 @@ cat \
DriveFirmware.bin CommandFirmware.bin FileAccessFirmware.bin MenuFirmware.bin \
> AT28C64B.bin
rm *.o
rm ./*.o
rm DriveFirmware.bin
rm MenuFirmware.bin
rm CommandFirmware.bin

6
CODE_OF_CONDUCT.md
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@ -115,7 +115,7 @@ the community.
This Code of Conduct is adapted from the [Contributor Covenant][homepage],
version 2.0, available at
https://www.contributor-covenant.org/version/2/0/code_of_conduct.html.
[https://www.contributor-covenant.org/version/2/0/code_of_conduct.html](https://www.contributor-covenant.org/version/2/0/code_of_conduct.html).
Community Impact Guidelines were inspired by [Mozilla's code of conduct
enforcement ladder](https://github.com/mozilla/diversity).
@ -123,5 +123,5 @@ enforcement ladder](https://github.com/mozilla/diversity).
[homepage]: https://www.contributor-covenant.org
For answers to common questions about this code of conduct, see the FAQ at
https://www.contributor-covenant.org/faq. Translations are available at
https://www.contributor-covenant.org/translations.
[https://www.contributor-covenant.org/faq](https://www.contributor-covenant.org/faq). Translations are available at
[https://www.contributor-covenant.org/translations](https://www.contributor-covenant.org/translations).

6
CONTRIBUTING.md
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@ -2,6 +2,6 @@
Thanks for looking into how to contribute. You can help the following ways:
- Submit an Issue (Bug or Feature)
- Send email feedback
- Contribute code via your fork and a pull request
- Submit an Issue (Bug or Feature)
- Send email feedback
- Contribute code via your fork and a pull request

12
README.md
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@ -32,8 +32,8 @@ So far, this is a project and not a finished product. The current prototype is o
1. Have PCBs made from the gerber and drill files in the Hardware folder or email me for a blank or fully assembled board
2. Solder chips, header and capacitors in place
3. Attach Raspberry Pi Zero W facing outward from the card
4. Install Raspberry Pi OS on microSD card https://www.raspberrypi.org/software/
5. Configure wifi in boot/wpa_supplicant.conf https://howtoraspberrypi.com/how-to-raspberry-pi-headless-setup/
4. Install [Raspberry Pi OS](https://www.raspberrypi.org/software/) on microSD card
5. Configure wifi in [boot/wpa_supplicant.conf](https://howtoraspberrypi.com/how-to-raspberry-pi-headless-setup/)
6. Add empty ssh file boot (for ssh access over wifi)
7. Put microSD card in the RPi
8. Install the expansion card into the Apple II
@ -56,10 +56,10 @@ So far, this is a project and not a finished product. The current prototype is o
17. `git clone https://github.com/tjboldt/Apple2-IO-RPi.git`
18. `cd Apple2-IO-RPi/RaspberryPi/apple2driver`
19. `go get`
21. `go build`
22. `./apple2driver`
23. Optional to step above, `./apple2driver -d1 YOUR_DRIVE.hdv` (Apple2-IO-RPi.hdv is automatically selected as drive 2), or `./apple2driver -d1 YOUR_DRIVE.hdv -d2 YOUR_SECOND_DRIVE.hdv`
24. Setup the Driver as a service or to autostart via cronjob (`crontab -e` then add the line `@reboot /home/pi/Apple2-IO-RPi/RaspberryPi/apple2driver/apple2driver -d1 YOUR_DRIVE.hdv -d2 /home/pi/Apple2-IO-RPi/RaspberryPi/Apple2-IO-RPi.hdv > /home/pi/Apple2-IO-RPi/RaspberryPi/Apple2-IO-RPi.log`)
20. `go build`
21. `./apple2driver`
22. Optional to step above, `./apple2driver -d1 YOUR_DRIVE.hdv` (Apple2-IO-RPi.hdv is automatically selected as drive 2), or `./apple2driver -d1 YOUR_DRIVE.hdv -d2 YOUR_SECOND_DRIVE.hdv`
23. Setup the Driver as a service or to autostart via cronjob (`crontab -e` then add the line `@reboot /home/pi/Apple2-IO-RPi/RaspberryPi/apple2driver/apple2driver -d1 YOUR_DRIVE.hdv -d2 /home/pi/Apple2-IO-RPi/RaspberryPi/Apple2-IO-RPi.hdv > /home/pi/Apple2-IO-RPi/RaspberryPi/Apple2-IO-RPi.log`)
## Setup if you received a complete board from me
1. Put in any slot (slot 7 preferred as it is the first to boot)

6
RaspberryPi/apple2driver/a2io/communication.go
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@ -5,8 +5,10 @@
// This file defines the interface for communicating with the Apple II via
// the Raspberry Pi GPIO ports but can also be mocked out for tests or
// passed input to the user for interactive testing
package a2io
// A2Io provides an interface to send and receive data to the Apple II
type A2Io interface {
Init()
WriteByte(data byte) error
@ -17,7 +19,3 @@ type A2Io interface {
ReadString() (string, error)
ReadBlock(buffer []byte) error
}
type A2Comm struct {
A2Io A2Io
}

214
RaspberryPi/apple2driver/a2io/gpio.go
View File

@ -4,6 +4,7 @@
// This file is used for communicating with the Apple II data bus via the
// GPIO ports on the Raspberry Pi
package a2io
import (
@ -19,80 +20,83 @@ import (
var edgeTimeout time.Duration
var out_write gpio.PinIO
var out_read gpio.PinIO
var out_reserved2 gpio.PinIO
var out_reserved1 gpio.PinIO
var out_bit7 gpio.PinIO
var out_bit6 gpio.PinIO
var out_bit5 gpio.PinIO
var out_bit4 gpio.PinIO
var out_bit3 gpio.PinIO
var out_bit2 gpio.PinIO
var out_bit1 gpio.PinIO
var out_bit0 gpio.PinIO
var in_write gpio.PinIO
var in_read gpio.PinIO
var in_reserved2 gpio.PinIO
var in_reserved1 gpio.PinIO
var in_bit7 gpio.PinIO
var in_bit6 gpio.PinIO
var in_bit5 gpio.PinIO
var in_bit4 gpio.PinIO
var in_bit3 gpio.PinIO
var in_bit2 gpio.PinIO
var in_bit1 gpio.PinIO
var in_bit0 gpio.PinIO
var outWrite gpio.PinIO
var outRead gpio.PinIO
var outReserved2 gpio.PinIO
var outReserved1 gpio.PinIO
var outBit7 gpio.PinIO
var outBit6 gpio.PinIO
var outBit5 gpio.PinIO
var outBit4 gpio.PinIO
var outBit3 gpio.PinIO
var outBit2 gpio.PinIO
var outBit1 gpio.PinIO
var outBit0 gpio.PinIO
var inWrite gpio.PinIO
var inRead gpio.PinIO
var inReserved2 gpio.PinIO
var inReserved1 gpio.PinIO
var inBit7 gpio.PinIO
var inBit6 gpio.PinIO
var inBit5 gpio.PinIO
var inBit4 gpio.PinIO
var inBit3 gpio.PinIO
var inBit2 gpio.PinIO
var inBit1 gpio.PinIO
var inBit0 gpio.PinIO
// A2Gpio is the live implementation of A2Io interface
type A2Gpio struct {
}
// Init initializes the GPIO ports on the Raspberry Pi
func (a2 A2Gpio) Init() {
host.Init()
out_write = gpioreg.ByName("GPIO24")
out_read = gpioreg.ByName("GPIO25")
out_reserved2 = gpioreg.ByName("GPIO7") //note GPIO7 and CPIO8 require extra effort to use
out_reserved1 = gpioreg.ByName("GPIO8")
out_bit7 = gpioreg.ByName("GPIO5")
out_bit6 = gpioreg.ByName("GPIO11")
out_bit5 = gpioreg.ByName("GPIO9")
out_bit4 = gpioreg.ByName("GPIO10")
out_bit3 = gpioreg.ByName("GPIO22")
out_bit2 = gpioreg.ByName("GPIO27")
out_bit1 = gpioreg.ByName("GPIO17")
out_bit0 = gpioreg.ByName("GPIO4")
in_write = gpioreg.ByName("GPIO23")
in_read = gpioreg.ByName("GPIO18")
in_reserved2 = gpioreg.ByName("GPIO14")
in_reserved1 = gpioreg.ByName("GPIO15")
in_bit7 = gpioreg.ByName("GPIO12")
in_bit6 = gpioreg.ByName("GPIO16")
in_bit5 = gpioreg.ByName("GPIO20")
in_bit4 = gpioreg.ByName("GPIO21")
in_bit3 = gpioreg.ByName("GPIO26")
in_bit2 = gpioreg.ByName("GPIO19")
in_bit1 = gpioreg.ByName("GPIO13")
in_bit0 = gpioreg.ByName("GPIO6")
outWrite = gpioreg.ByName("GPIO24")
outRead = gpioreg.ByName("GPIO25")
outReserved2 = gpioreg.ByName("GPIO7") //note GPIO7 and CPIO8 require extra effort to use
outReserved1 = gpioreg.ByName("GPIO8")
outBit7 = gpioreg.ByName("GPIO5")
outBit6 = gpioreg.ByName("GPIO11")
outBit5 = gpioreg.ByName("GPIO9")
outBit4 = gpioreg.ByName("GPIO10")
outBit3 = gpioreg.ByName("GPIO22")
outBit2 = gpioreg.ByName("GPIO27")
outBit1 = gpioreg.ByName("GPIO17")
outBit0 = gpioreg.ByName("GPIO4")
inWrite = gpioreg.ByName("GPIO23")
inRead = gpioreg.ByName("GPIO18")
inReserved2 = gpioreg.ByName("GPIO14")
inReserved1 = gpioreg.ByName("GPIO15")
inBit7 = gpioreg.ByName("GPIO12")
inBit6 = gpioreg.ByName("GPIO16")
inBit5 = gpioreg.ByName("GPIO20")
inBit4 = gpioreg.ByName("GPIO21")
inBit3 = gpioreg.ByName("GPIO26")
inBit2 = gpioreg.ByName("GPIO19")
inBit1 = gpioreg.ByName("GPIO13")
inBit0 = gpioreg.ByName("GPIO6")
in_write.In(gpio.PullDown, gpio.BothEdges)
in_read.In(gpio.PullDown, gpio.BothEdges)
out_reserved1.Out(gpio.High)
out_reserved2.Out(gpio.High)
out_read.Out(gpio.High)
out_write.Out(gpio.High)
out_bit7.Out(gpio.Low)
out_bit6.Out(gpio.Low)
out_bit5.Out(gpio.Low)
out_bit4.Out(gpio.Low)
out_bit3.Out(gpio.Low)
out_bit2.Out(gpio.Low)
out_bit1.Out(gpio.Low)
out_bit0.Out(gpio.Low)
inWrite.In(gpio.PullDown, gpio.BothEdges)
inRead.In(gpio.PullDown, gpio.BothEdges)
outReserved1.Out(gpio.High)
outReserved2.Out(gpio.High)
outRead.Out(gpio.High)
outWrite.Out(gpio.High)
outBit7.Out(gpio.Low)
outBit6.Out(gpio.Low)
outBit5.Out(gpio.Low)
outBit4.Out(gpio.Low)
outBit3.Out(gpio.Low)
outBit2.Out(gpio.Low)
outBit1.Out(gpio.Low)
outBit0.Out(gpio.Low)
edgeTimeout = time.Second
}
// ReadString reads a string from the Apple II via Raspberry Pi's GPIO ports
func (a2 A2Gpio) ReadString() (string, error) {
var inBytes bytes.Buffer
for {
@ -105,9 +109,10 @@ func (a2 A2Gpio) ReadString() (string, error) {
}
inBytes.WriteByte(inByte)
}
return string(inBytes.Bytes()), nil
return inBytes.String(), nil
}
// WriteString writes a string to the Apple II via Raspberry Pi's GPIO ports
func (a2 A2Gpio) WriteString(outString string) error {
for _, character := range outString {
err := a2.WriteByte(byte(character) | 128)
@ -120,29 +125,30 @@ func (a2 A2Gpio) WriteString(outString string) error {
return nil
}
// ReadByte reads a byte from the Apple II via Raspberry Pi's GPIO ports
func (a2 A2Gpio) ReadByte() (byte, error) {
// let the Apple II know we are ready to read
out_read.Out(gpio.Low)
outRead.Out(gpio.Low)
// wait for the Apple II to write
for in_write.Read() == gpio.High {
if !in_write.WaitForEdge(edgeTimeout) {
out_read.Out(gpio.High)
return 0, errors.New("Timed out reading byte -- write stuck high\n")
for inWrite.Read() == gpio.High {
if !inWrite.WaitForEdge(edgeTimeout) {
outRead.Out(gpio.High)
return 0, errors.New("timed out reading byte -- write stuck high")
}
}
// get a nibble of data
var data byte
data = 0
bit7 := in_bit7.Read()
bit6 := in_bit6.Read()
bit5 := in_bit5.Read()
bit4 := in_bit4.Read()
bit3 := in_bit3.Read()
bit2 := in_bit2.Read()
bit1 := in_bit1.Read()
bit0 := in_bit0.Read()
bit7 := inBit7.Read()
bit6 := inBit6.Read()
bit5 := inBit5.Read()
bit4 := inBit4.Read()
bit3 := inBit3.Read()
bit2 := inBit2.Read()
bit1 := inBit1.Read()
bit0 := inBit0.Read()
if bit7 == gpio.High {
data += 128
@ -166,36 +172,37 @@ func (a2 A2Gpio) ReadByte() (byte, error) {
data += 2
}
if bit0 == gpio.High {
data += 1
data++
}
// let the Apple II know we are done reading
//fmt.Printf("let the Apple II know we are done reading\n")
out_read.Out(gpio.High)
outRead.Out(gpio.High)
// wait for the Apple II to finish writing
//fmt.Printf("wait for the Apple II to finish writing\n")
for in_write.Read() == gpio.Low {
if !in_write.WaitForEdge(edgeTimeout) {
return 0, errors.New("Timed out reading byte -- write stuck low")
for inWrite.Read() == gpio.Low {
if !inWrite.WaitForEdge(edgeTimeout) {
return 0, errors.New("timed out reading byte -- write stuck low")
}
}
return data, nil
}
// WriteByte writes a byte to the Apple II via Raspberry Pi's GPIO ports
func (a2 A2Gpio) WriteByte(data byte) error {
// check if the Apple II wants to send a byte to us first
if in_write.Read() == gpio.Low {
out_write.Out(gpio.High)
return errors.New("Can't write byte while byte is incoming")
if inWrite.Read() == gpio.Low {
outWrite.Out(gpio.High)
return errors.New("can't write byte while byte is incoming")
}
// wait for the Apple II to be ready to read
for in_read.Read() == gpio.High {
if !in_read.WaitForEdge(edgeTimeout) {
out_write.Out(gpio.High)
return errors.New("Timed out writing byte -- read stuck high")
for inRead.Read() == gpio.High {
if !inRead.WaitForEdge(edgeTimeout) {
outWrite.Out(gpio.High)
return errors.New("timed out writing byte -- read stuck high")
}
}
@ -211,60 +218,61 @@ func (a2 A2Gpio) WriteByte(data byte) error {
if ((data & 128) >> 7) == 1 {
bit7 = gpio.High
}
out_bit7.Out(bit7)
outBit7.Out(bit7)
if ((data & 64) >> 6) == 1 {
bit6 = gpio.High
}
out_bit6.Out(bit6)
outBit6.Out(bit6)
if ((data & 32) >> 5) == 1 {
bit5 = gpio.High
}
out_bit5.Out(bit5)
outBit5.Out(bit5)
if ((data & 16) >> 4) == 1 {
bit4 = gpio.High
}
out_bit4.Out(bit4)
outBit4.Out(bit4)
if ((data & 8) >> 3) == 1 {
bit3 = gpio.High
}
out_bit3.Out(bit3)
outBit3.Out(bit3)
if ((data & 4) >> 2) == 1 {
bit2 = gpio.High
}
out_bit2.Out(bit2)
outBit2.Out(bit2)
if ((data & 2) >> 1) == 1 {
bit1 = gpio.High
}
out_bit1.Out(bit1)
outBit1.Out(bit1)
if (data & 1) == 1 {
bit0 = gpio.High
}
out_bit0.Out(bit0)
outBit0.Out(bit0)
// let Apple II know we're writing
out_write.Out(gpio.Low)
outWrite.Out(gpio.Low)
// wait for the Apple II to finsih reading
//fmt.Printf("wait for the Apple II to finsih reading\n")
for in_read.Read() == gpio.Low {
if !in_read.WaitForEdge(edgeTimeout) {
out_write.Out(gpio.High)
return errors.New("Timed out writing byte -- read stuck low")
for inRead.Read() == gpio.Low {
if !inRead.WaitForEdge(edgeTimeout) {
outWrite.Out(gpio.High)
return errors.New("timed out writing byte -- read stuck low")
}
}
// let the Apple II know we are done writing
out_write.Out(gpio.High)
outWrite.Out(gpio.High)
return nil
}
// WriteBlock writes 512 bytes to the Apple II via Raspberry Pi's GPIO ports
func (a2 A2Gpio) WriteBlock(buffer []byte) error {
for i := 0; i < 512; i++ {
err := a2.WriteByte(buffer[i])
@ -276,6 +284,7 @@ func (a2 A2Gpio) WriteBlock(buffer []byte) error {
return nil
}
// ReadBlock reads 512 bytes from the Apple II via Raspberry Pi's GPIO ports
func (a2 A2Gpio) ReadBlock(buffer []byte) error {
var err error
for i := 0; i < 512; i++ {
@ -288,6 +297,7 @@ func (a2 A2Gpio) ReadBlock(buffer []byte) error {
return nil
}
// WriteBuffer writes a buffer of bytes to the Apple II via Raspberry Pi's GPIO ports
func (a2 A2Gpio) WriteBuffer(buffer []byte) error {
bufferSize := len(buffer)
for i := 0; i < bufferSize; i++ {

15
RaspberryPi/apple2driver/a2io/mockio.go
View File

@ -4,6 +4,7 @@
// This file is used for mocking the GPIO code so that unit tests can be run
// on any machine and not just a Raspberry Pi
package a2io
import (
@ -11,6 +12,7 @@ import (
"strings"
)
// MockIoData is used to verify tests were successful
type MockIoData struct {
BytesToRead []byte
BytesWritten []byte
@ -19,20 +21,24 @@ type MockIoData struct {
ErrorToThrow error
}
// MockIo implements A2Io to allow unit tests to run without needing GPIO functioning
type MockIo struct {
Data *MockIoData
}
// Init is only here to complete A2Io interface
func (mockIo MockIo) Init() {
}
// WriteByte mocks writing a byte to the Apple II
func (mockIo MockIo) WriteByte(data byte) error {
mockIo.Data.BytesWritten[mockIo.Data.NumberBytesWritten] = data
mockIo.Data.NumberBytesWritten++
return mockIo.Data.ErrorToThrow
}
// WriteString mocks writing a string to the Apple II
func (mockIo MockIo) WriteString(outString string) error {
for i, b := range outString {
mockIo.Data.BytesWritten[i+mockIo.Data.NumberBytesWritten] = byte(b)
@ -41,6 +47,7 @@ func (mockIo MockIo) WriteString(outString string) error {
return mockIo.Data.ErrorToThrow
}
// WriteBlock mocks writing a block to the Apple II
func (mockIo MockIo) WriteBlock(buffer []byte) error {
for i, b := range buffer {
mockIo.Data.BytesWritten[i+mockIo.Data.NumberBytesWritten] = b
@ -49,6 +56,7 @@ func (mockIo MockIo) WriteBlock(buffer []byte) error {
return mockIo.Data.ErrorToThrow
}
// WriteBuffer mocks writing a buffer to the Apple II
func (mockIo MockIo) WriteBuffer(buffer []byte) error {
for i, b := range buffer {
mockIo.Data.BytesWritten[i+mockIo.Data.NumberBytesWritten] = b
@ -57,17 +65,19 @@ func (mockIo MockIo) WriteBuffer(buffer []byte) error {
return mockIo.Data.ErrorToThrow
}
// ReadByte mocks reading a byte from the Apple II
func (mockIo MockIo) ReadByte() (byte, error) {
b := mockIo.Data.BytesToRead[mockIo.Data.NumberBytesRead]
mockIo.Data.NumberBytesRead++
return b, mockIo.Data.ErrorToThrow
}
// ReadString mocks reading a null terminated string from the Apple II
func (mockIo MockIo) ReadString() (string, error) {
builder := strings.Builder{}
for {
if mockIo.Data.NumberBytesRead > len(mockIo.Data.BytesToRead) {
return "", errors.New("Read more data than available")
return "", errors.New("read more data than available")
}
builder.WriteByte(mockIo.Data.BytesToRead[mockIo.Data.NumberBytesRead])
mockIo.Data.NumberBytesRead++
@ -79,9 +89,10 @@ func (mockIo MockIo) ReadString() (string, error) {
return builder.String(), mockIo.Data.ErrorToThrow
}
// ReadBlock mocks reading a 512 byte block from the Apple II
func (mockIo MockIo) ReadBlock(buffer []byte) error {
if mockIo.Data.NumberBytesRead+512 > len(mockIo.Data.BytesToRead) {
return errors.New("Read more data than available")
return errors.New("read more data than available")
}
for i := 0; i < 512; i++ {
buffer[i] = mockIo.Data.BytesToRead[mockIo.Data.NumberBytesRead]

10
RaspberryPi/apple2driver/a2io/userio.go
View File

@ -5,6 +5,7 @@
// This file is only used during development for interactive testing of the
// driver code. Simply replace `comm := a2io.A2Gpio{}` with
// `comm := a2io.UserIo{}` in the driver.go file to allow local testing
package a2io
import (
@ -13,28 +14,34 @@ import (
"strings"
)
// UserIo implements A2Io for the purpose of debugging locally
type UserIo struct {
}
// Init is only here to complete A2Io interface
func (userIo UserIo) Init() {
}
// WriteByte simulates writing to the Apple II but uses stdout instead
func (userIo UserIo) WriteByte(data byte) error {
fmt.Printf("WriteByte: %02X\n", data)
return nil
}
// WriteString simulates writing to the Apple II but uses stdout instead
func (userIo UserIo) WriteString(outString string) error {
fmt.Printf("WriteString: %s\n", strings.ReplaceAll(outString, "\r", "\n"))
return nil
}
// WriteBlock simulates writing to the Apple II but uses stdout instead
func (userIo UserIo) WriteBlock(buffer []byte) error {
fmt.Printf("WriteBlock:\n")
return userIo.WriteBuffer(buffer)
}
// WriteBuffer simulates writing to the Apple II but uses stdout instead
func (userIo UserIo) WriteBuffer(buffer []byte) error {
fmt.Printf("WriteBuffer:\n")
for i, b := range buffer {
@ -47,6 +54,7 @@ func (userIo UserIo) WriteBuffer(buffer []byte) error {
return nil
}
// ReadByte simulates reading to the Apple II but uses stdin instead
func (userIo UserIo) ReadByte() (byte, error) {
fmt.Printf("ReadByte: ")
var b byte
@ -55,6 +63,7 @@ func (userIo UserIo) ReadByte() (byte, error) {
return b, nil
}
// ReadString simulates reading to the Apple II but uses stdin instead
func (userIo UserIo) ReadString() (string, error) {
fmt.Printf("ReadString: ")
var s string
@ -63,6 +72,7 @@ func (userIo UserIo) ReadString() (string, error) {
return s, nil
}
// ReadBlock should simulate reading to the Apple II but is not yet supported
func (userIo UserIo) ReadBlock(buffer []byte) error {
fmt.Printf("ReadBlock: (Not supported)")
return errors.New("ReadBlock not supported")

32
RaspberryPi/apple2driver/driver.go
View File

@ -17,14 +17,14 @@ import (
"github.com/tjboldt/Apple2-IO-RPi/RaspberryPi/apple2driver/handlers"
)
const ReadBlockCommand = 1
const WriteBlockCommand = 2
const GetTimeCommand = 3
const ChangeDriveCommand = 4
const ExecCommand = 5
const LoadFileCommand = 6
const SaveFileCommand = 7
const MenuCommand = 8
const readBlockCommand = 1
const writeBlockCommand = 2
const getTimeCommand = 3
const changeDriveCommand = 4
const execCommand = 5
const loadFileCommand = 6
const saveFileCommand = 7
const menuCommand = 8
func main() {
drive1, drive2 := getDriveFiles()
@ -40,17 +40,17 @@ func main() {
command, err := comm.ReadByte()
if err == nil {
switch command {
case ReadBlockCommand:
case readBlockCommand:
handlers.ReadBlockCommand(drive1, drive2)
case WriteBlockCommand:
case writeBlockCommand:
handlers.WriteBlockCommand(drive1, drive2)
case GetTimeCommand:
case getTimeCommand:
handlers.GetTimeCommand()
case ExecCommand:
case execCommand:
handlers.ExecCommand()
case LoadFileCommand:
case loadFileCommand:
handlers.LoadFileCommand()
case MenuCommand:
case menuCommand:
handlers.MenuCommand()
}
}
@ -71,8 +71,8 @@ func getDriveFiles() (*os.File, *os.File) {
flag.StringVar(&drive2Name, "d2", defaultFileName, "A ProDOS format drive image for drive 2 and will be used for drive 1 if drive 1 empty")
flag.Parse()
var drive1 *os.File = nil
var drive2 *os.File = nil
var drive1 *os.File
var drive2 *os.File
var err error
if len(drive1Name) > 0 {

7
RaspberryPi/apple2driver/handlers/block.go
View File

@ -3,6 +3,7 @@
// license that can be found in the LICENSE file.
// This file is used for handling ProDOS image block reading and writing
package handlers
import (
@ -14,10 +15,11 @@ import (
var oldFirmware = false
// ReadBlockCommand handles requests to read ProDOS blocks
func ReadBlockCommand(drive1 *os.File, drive2 *os.File) {
blockLow, _ := comm.ReadByte()
blockHigh, _ := comm.ReadByte()
var driveUnit byte = 0
var driveUnit byte
var err error
if !oldFirmware {
@ -50,11 +52,12 @@ func ReadBlockCommand(drive1 *os.File, drive2 *os.File) {
}
}
// WriteBlockCommand handles requests to write ProDOS blocks
func WriteBlockCommand(drive1 *os.File, drive2 *os.File) {
blockLow, _ := comm.ReadByte()
blockHigh, _ := comm.ReadByte()
var driveUnit byte = 0
var driveUnit byte
var err error
if !oldFirmware {

2
RaspberryPi/apple2driver/handlers/communication.go
View File

@ -3,6 +3,7 @@
// license that can be found in the LICENSE file.
// This file is used for setting up the communications for the handlers
package handlers
import (
@ -11,6 +12,7 @@ import (
var comm a2io.A2Io
// SetCommunication configures whether to use real or mock communications
func SetCommunication(commIO a2io.A2Io) {
comm = commIO
}

14
RaspberryPi/apple2driver/handlers/exec.go
View File

@ -4,6 +4,7 @@
// This file is contains the handler for executing Linux and internal
// commands
package handlers
import (
@ -17,6 +18,7 @@ import (
var forceLowercase = false
// ExecCommand handles requests for the Apple II executing Linux commands
func ExecCommand() {
workingDirectory, err := os.Getwd()
if err != nil {
@ -109,7 +111,6 @@ func execCommand(linuxCommand string, workingDirectory string) {
cmd.Wait()
comm.WriteByte(0)
return
default:
}
}
}
@ -183,13 +184,12 @@ func getStdin(stdin io.WriteCloser, done chan bool, inputComplete chan bool, use
stdin.Close()
userCancelled <- true
return
} else {
if b == 13 {
b = 10
}
fmt.Printf("%c", b)
io.WriteString(stdin, string(b))
}
if b == 13 {
b = 10
}
fmt.Printf("%c", b)
io.WriteString(stdin, string(b))
}
}
}

2
RaspberryPi/apple2driver/handlers/getTime.go
View File

@ -4,6 +4,7 @@
// This file is contains the handler for retrieving the ProDOS timestamp
// based on the current time
package handlers
import (
@ -13,6 +14,7 @@ import (
"github.com/tjboldt/ProDOS-Utilities/prodos"
)
// GetTimeCommand handles the request to get ProDOS time bytes
func GetTimeCommand() {
fmt.Printf("Sending date/time...\n")
prodosTime := prodos.DateTimeToProDOS(time.Now())

2
RaspberryPi/apple2driver/handlers/loadFile.go
View File

@ -4,6 +4,7 @@
// This file is contains the handler for loading files directly from the
// Raspberry Pi onto the Apple II
package handlers
import (
@ -11,6 +12,7 @@ import (
"os"
)
// LoadFileCommand handles requests to direct read files from Linux to the Apple II
func LoadFileCommand() {
fileName, _ := comm.ReadString()

2
RaspberryPi/apple2driver/handlers/menu.go
View File

@ -4,12 +4,14 @@
// This file is contains the handler for displaying the menu of choices on
// the Apple II
package handlers
import (
"fmt"
)
// MenuCommand handles the request to show menu options on the Apple II
func MenuCommand() {
fmt.Printf("Sending menu...\n")
comm.WriteString("Apple2-IO-RPi\r" +