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developmen
...
1.1.0
@ -1,8 +1,11 @@
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package dispenser
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import (
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// "encoding/hex"
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"fmt"
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"strings"
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// "log"
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"time"
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log "github.com/sirupsen/logrus"
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@ -19,25 +22,29 @@ const (
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space = 0x00 // Space character
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baudRate = 9600 // Baud rate for serial communication
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delay = 500 * time.Millisecond // Delay for processing commands
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// cache freshness for "continuous status" reads (tune as you wish)
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defaultStatusTTL = 1500 * time.Millisecond
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)
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// type (
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// configRec struct {
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// SerialPort string `yaml:"port"`
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// Address string `yaml:"addr"`
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// }
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// )
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var (
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SerialPort string
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Address []byte
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commandFC7 = []byte{ETX, 0x46, 0x43, 0x37} // "FC7"
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commandFC0 = []byte{ETX, 0x46, 0x43, 0x30} // "FC0"
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commandFC7 = []byte{ETX, 0x46, 0x43, 0x37} // "FC7" command dispense card at read card position
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commandFC0 = []byte{ETX, 0x46, 0x43, 0x30} // "FC0" command dispense card out of card mouth command
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statusPos0 = map[byte]string{
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0x38: "Keep",
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0x34: "Command cannot execute",
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0x32: "Preparing card fails",
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0x31: "Preparing card",
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0x30: "Normal",
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0x30: "Normal", // Default if none of the above
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}
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statusPos1 = map[byte]string{
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0x38: "Dispensing card",
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0x34: "Capturing card",
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@ -45,6 +52,7 @@ var (
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0x31: "Capture card error",
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0x30: "Normal",
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}
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statusPos2 = map[byte]string{
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0x38: "No captured card",
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0x34: "Card overlapped",
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@ -52,6 +60,7 @@ var (
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0x31: "Card pre-empty",
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0x30: "Normal",
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}
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statusPos3 = map[byte]string{
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0x38: "Card empty",
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0x34: "Card ready position",
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@ -62,16 +71,8 @@ var (
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}
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)
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// --------------------
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// Status helpers
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// --------------------
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func logStatus(statusBytes []byte) {
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if len(statusBytes) < 4 {
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log.Infof("Dispenser status: <invalid len=%d>", len(statusBytes))
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return
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}
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// For each position, get the ASCII character, hex value, and mapped meaning.
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posStatus := []struct {
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pos int
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value byte
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@ -87,52 +88,65 @@ func logStatus(statusBytes []byte) {
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for _, p := range posStatus {
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statusMsg, exists := p.mapper[p.value]
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if !exists {
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statusMsg = fmt.Sprintf("Unknown status 0x%X at position %d", p.value, p.pos)
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statusMsg = fmt.Sprintf("Unknown status 0x%X;", p.value)
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}
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if p.value != 0x30 {
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result.WriteString(statusMsg + "; ")
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}
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}
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log.Infof("Dispenser status: %s", result.String())
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}
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func isAtEncoderPosition(statusBytes []byte) bool {
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return len(statusBytes) >= 4 && statusBytes[3] == 0x33
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if statusBytes == nil {
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return false
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}
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switch statusBytes[3] {
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case 0x33: // Card at encoder position
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return true
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default:
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return false // Not at encoder position
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}
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}
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func stockTake(statusBytes []byte) string {
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if len(statusBytes) < 4 {
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return ""
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}
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status := ""
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if statusBytes == nil {
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return status
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}
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if statusBytes[2] != 0x30 {
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status = statusPos2[statusBytes[2]]
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}
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if statusBytes[3] == 0x38 {
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if statusBytes[3] == 0x38 { // Card well empty
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status = statusPos3[statusBytes[3]]
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}
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return status
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}
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func isCardWellEmpty(statusBytes []byte) bool {
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return len(statusBytes) >= 4 && statusBytes[3] == 0x38
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if statusBytes == nil {
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return false
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}
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switch statusBytes[3] {
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case 0x38: // Card well empty
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return true
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default:
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return false
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}
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}
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func checkACK(statusResp []byte) error {
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if len(statusResp) == 3 &&
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statusResp[0] == ACK &&
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len(Address) >= 2 &&
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statusResp[1] == Address[0] &&
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statusResp[2] == Address[1] {
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if len(statusResp) == 3 && statusResp[0] == ACK && statusResp[1] == Address[0] && statusResp[2] == Address[1] {
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return nil
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}
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if len(statusResp) > 0 && statusResp[0] == NAK {
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} else if len(statusResp) > 0 && statusResp[0] == NAK {
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return fmt.Errorf("negative response from dispenser")
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}
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} else {
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return fmt.Errorf("unexpected response status: % X", statusResp)
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}
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}
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// calculateBCC computes BCC as XOR of all bytes from STX to ETX.
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// calculateBCC computes the Block Check Character (BCC) as the XOR of all bytes from STX to ETX.
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func calculateBCC(data []byte) byte {
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var bcc byte
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for _, b := range data {
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@ -143,8 +157,8 @@ func calculateBCC(data []byte) byte {
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func createPacket(address []byte, command []byte) []byte {
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packet := []byte{STX}
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packet = append(packet, address...)
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packet = append(packet, space)
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packet = append(packet, address...) // Address bytes
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packet = append(packet, space) // Space character
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packet = append(packet, command...)
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packet = append(packet, ETX)
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bcc := calculateBCC(packet)
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@ -152,134 +166,230 @@ func createPacket(address []byte, command []byte) []byte {
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return packet
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}
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func buildCheckAP(address []byte) []byte { return createPacket(address, []byte{STX, 0x41, 0x50}) }
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func buildCheckRF(address []byte) []byte {
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return createPacket(address, []byte{STX, 0x52, 0x46})
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}
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func buildCheckAP(address []byte) []byte {
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return createPacket(address, []byte{STX, 0x41, 0x50})
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}
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func sendAndReceive(port *serial.Port, packet []byte, delay time.Duration) ([]byte, error) {
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_, err := port.Write(packet)
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n, err := port.Write(packet)
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if err != nil {
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return nil, fmt.Errorf("error writing to port: %w", err)
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}
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// log.Printf("TX %d bytes: % X", n, packet[:n])
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time.Sleep(delay)
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time.Sleep(delay) // Wait for the dispenser to process the command
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buf := make([]byte, 128)
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n, err := port.Read(buf)
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n, err = port.Read(buf)
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if err != nil {
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return nil, fmt.Errorf("error reading from port: %w", err)
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}
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return buf[:n], nil
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resp := buf[:n]
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// log.Printf("RX %d bytes: % X", n, buf[:n])
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return resp, nil
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}
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// --------------------
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// Serial init (3 attempts)
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// --------------------
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func InitializeDispenser() (*serial.Port, error) {
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const (
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funcName = "InitializeDispenser"
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maxRetries = 3
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retryDelay = 2 * time.Second
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)
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if SerialPort == "" {
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return nil, fmt.Errorf("%s: SerialPort is empty", funcName)
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}
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if len(Address) < 2 {
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return nil, fmt.Errorf("%s: Address must be at least 2 bytes", funcName)
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}
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const funcName = "initializeDispenser"
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serialConfig := &serial.Config{
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Name: SerialPort,
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Baud: baudRate,
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ReadTimeout: 2 * time.Second,
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ReadTimeout: time.Second * 2,
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}
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var lastErr error
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for attempt := 1; attempt <= maxRetries; attempt++ {
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port, err := serial.OpenPort(serialConfig)
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if err == nil {
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log.Infof("%s: dispenser opened on %s (attempt %d/%d)", funcName, SerialPort, attempt, maxRetries)
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if err != nil {
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return nil, fmt.Errorf("error opening dispenser COM port: %w", err)
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}
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return port, nil
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}
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lastErr = err
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log.Warnf("%s: failed to open dispenser on %s (attempt %d/%d): %v", funcName, SerialPort, attempt, maxRetries, err)
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if attempt < maxRetries {
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time.Sleep(retryDelay)
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func DispenserPrepare(port *serial.Port) (string, error) {
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const funcName = "dispenserSequence"
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stockStatus := ""
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// Check dispenser status
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status, err := CheckDispenserStatus(port)
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if err != nil {
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return stockStatus, fmt.Errorf("[%s] error checking dispenser status: %v", funcName, err)
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}
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logStatus(status)
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stockStatus = stockTake(status)
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if isCardWellEmpty(status) {
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return stockStatus, nil
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}
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return nil, fmt.Errorf("%s: failed to open dispenser on %s after %d attempts: %w", funcName, SerialPort, maxRetries, lastErr)
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if isAtEncoderPosition(status) {
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return stockStatus, nil
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}
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// Send card to encoder position
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err = CardToEncoderPosition(port)
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if err != nil {
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return stockStatus, fmt.Errorf("[%s] error sending card to encoder position: %v", funcName, err)
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}
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// --------------------
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// Internal (port-owner only) operations
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// --------------------
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time.Sleep(delay)
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// Check dispenser status
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status, err = CheckDispenserStatus(port)
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if err != nil {
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return stockStatus, fmt.Errorf("[%s] error checking dispenser status: %v", funcName, err)
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}
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logStatus(status)
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stockStatus = stockTake(status)
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// checkDispenserStatus talks to the device and returns the 4 status bytes [pos0..pos3].
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func checkDispenserStatus(port *serial.Port) ([]byte, error) {
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return stockStatus, nil
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}
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func DispenserStart(port *serial.Port) (string, error) {
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const funcName = "dispenserSequence"
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stockStatus := ""
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// Check dispenser status
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status, err := CheckDispenserStatus(port)
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if err != nil {
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return stockStatus, fmt.Errorf("[%s] error checking dispenser status: %v", funcName, err)
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}
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logStatus(status)
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stockStatus = stockTake(status)
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if isCardWellEmpty(status) {
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return stockStatus, fmt.Errorf(stockStatus)
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}
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if isAtEncoderPosition(status) {
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return stockStatus, nil
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}
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// Send card to encoder position
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err = CardToEncoderPosition(port)
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if err != nil {
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return stockStatus, fmt.Errorf("[%s] error sending card to encoder position: %v", funcName, err)
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}
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time.Sleep(delay)
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// Check dispenser status
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status, err = CheckDispenserStatus(port)
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if err != nil {
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return stockStatus, fmt.Errorf("[%s] error checking dispenser status: %v", funcName, err)
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}
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logStatus(status)
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stockStatus = stockTake(status)
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return stockStatus, nil
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}
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func DispenserFinal(port *serial.Port) (string, error) {
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const funcName = "dispenserSequence"
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stockStatus := ""
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err := CardOutOfMouth(port)
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if err != nil {
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return stockStatus, fmt.Errorf("[%s] error sending card to out mouth position: %v", funcName, err)
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}
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time.Sleep(delay)
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// Check dispenser status
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status, err := CheckDispenserStatus(port)
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if err != nil {
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return stockStatus, fmt.Errorf("[%s] error checking dispenser status: %v", funcName, err)
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}
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logStatus(status)
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stockStatus = stockTake(status)
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time.Sleep(delay)
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// Send card to encoder position
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err = CardToEncoderPosition(port)
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if err != nil {
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return stockStatus, fmt.Errorf("[%s] error sending card to encoder position: %v", funcName, err)
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}
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time.Sleep(delay)
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// Check dispenser status
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status, err = CheckDispenserStatus(port)
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if err != nil {
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return stockStatus, fmt.Errorf("[%s] error checking dispenser status: %v", funcName, err)
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}
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logStatus(status)
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stockStatus = stockTake(status)
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return stockStatus, nil
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}
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// if dispenser is not responding, I should repeat the command
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func CheckDispenserStatus(port *serial.Port) ([]byte, error) {
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const funcName = "checkDispenserStatus"
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checkCmd := buildCheckAP(Address)
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enq := append([]byte{ENQ}, Address...)
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// Send check command (AP)
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statusResp, err := sendAndReceive(port, checkCmd, delay)
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if err != nil {
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return nil, fmt.Errorf("error sending check command: %w", err)
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return nil, fmt.Errorf("error sending check command: %v", err)
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}
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if len(statusResp) == 0 {
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return nil, fmt.Errorf("no response from dispenser")
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}
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if err := checkACK(statusResp); err != nil {
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err = checkACK(statusResp)
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if err != nil {
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return nil, err
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}
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// Send ENQ+ADDR to prompt device to execute the command.
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statusResp, err = sendAndReceive(port, enq, delay)
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if err != nil {
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return nil, fmt.Errorf("error sending ENQ: %w", err)
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log.Errorf("error sending ENQ: %v", err)
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}
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if len(statusResp) == 0 {
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return nil, fmt.Errorf("no response from dispenser")
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}
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if len(statusResp) < 13 {
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return nil, fmt.Errorf("incomplete status response from dispenser: % X", statusResp)
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}
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return statusResp[7:11], nil
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return statusResp[7:11], nil // Return status bytes
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}
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func cardToEncoderPosition(port *serial.Port) error {
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func CardToEncoderPosition(port *serial.Port) error {
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const funcName = "cartToEncoderPosition"
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enq := append([]byte{ENQ}, Address...)
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//Send Dispense card to encoder position (FC7) ---
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dispenseCmd := createPacket(Address, commandFC7)
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log.Println("Send card to encoder position")
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statusResp, err := sendAndReceive(port, dispenseCmd, delay)
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if err != nil {
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return fmt.Errorf("error sending card to encoder position: %w", err)
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return fmt.Errorf("error sending card to encoder position: %v", err)
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}
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if err := checkACK(statusResp); err != nil {
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err = checkACK(statusResp)
|
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if err != nil {
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return err
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}
|
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|
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//Send ENQ to prompt device ---
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_, err = port.Write(enq)
|
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if err != nil {
|
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return fmt.Errorf("error sending ENQ to prompt device: %w", err)
|
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return fmt.Errorf("error sending ENQ to prompt device: %v", err)
|
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}
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return nil
|
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}
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func cardOutOfMouth(port *serial.Port) error {
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func CardOutOfMouth(port *serial.Port) error {
|
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const funcName = "CardOutOfMouth"
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enq := append([]byte{ENQ}, Address...)
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// Send card out of card mouth (FC0) ---
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dispenseCmd := createPacket(Address, commandFC0)
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log.Println("Send card to out mouth position")
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statusResp, err := sendAndReceive(port, dispenseCmd, delay)
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if err != nil {
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return fmt.Errorf("error sending out of mouth command: %w", err)
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return fmt.Errorf("error sending out of mouth command: %v", err)
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}
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if err := checkACK(statusResp); err != nil {
|
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err = checkACK(statusResp)
|
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if err != nil {
|
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return err
|
||||
}
|
||||
|
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//Send ENQ to prompt device ---
|
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_, err = port.Write(enq)
|
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if err != nil {
|
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return fmt.Errorf("error sending ENQ to prompt device: %w", err)
|
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return fmt.Errorf("error sending ENQ to prompt device: %v", err)
|
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}
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return nil
|
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}
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|
||||
@ -1,341 +0,0 @@
|
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// --------------------
|
||||
// Queue-based client (single owner of port)
|
||||
// --------------------
|
||||
package dispenser
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
log "github.com/sirupsen/logrus"
|
||||
"github.com/tarm/serial"
|
||||
)
|
||||
|
||||
type cmdType int
|
||||
|
||||
const (
|
||||
cmdStatus cmdType = iota
|
||||
cmdToEncoder
|
||||
cmdOutOfMouth
|
||||
)
|
||||
|
||||
type cmdReq struct {
|
||||
typ cmdType
|
||||
ctx context.Context
|
||||
respCh chan cmdResp
|
||||
}
|
||||
|
||||
type cmdResp struct {
|
||||
status []byte
|
||||
err error
|
||||
}
|
||||
|
||||
type Client struct {
|
||||
port *serial.Port
|
||||
|
||||
reqCh chan cmdReq
|
||||
done chan struct{}
|
||||
|
||||
// status cache
|
||||
mu sync.RWMutex
|
||||
lastStatus []byte
|
||||
lastStatusT time.Time
|
||||
statusTTL time.Duration
|
||||
|
||||
// published "stock/cardwell" cache + callback
|
||||
lastStockMu sync.RWMutex
|
||||
lastStock string
|
||||
onStock func(string)
|
||||
}
|
||||
|
||||
// NewClient starts the worker that owns the serial port.
|
||||
func NewClient(port *serial.Port, queueSize int) *Client {
|
||||
if queueSize <= 0 {
|
||||
queueSize = 16
|
||||
}
|
||||
c := &Client{
|
||||
port: port,
|
||||
reqCh: make(chan cmdReq, queueSize),
|
||||
done: make(chan struct{}),
|
||||
statusTTL: defaultStatusTTL,
|
||||
}
|
||||
go c.loop()
|
||||
return c
|
||||
}
|
||||
|
||||
func (c *Client) Close() {
|
||||
select {
|
||||
case <-c.done:
|
||||
return
|
||||
default:
|
||||
close(c.done)
|
||||
}
|
||||
}
|
||||
|
||||
// Optional: tune cache TTL (how "fresh" cached status must be)
|
||||
func (c *Client) SetStatusTTL(d time.Duration) {
|
||||
c.mu.Lock()
|
||||
c.statusTTL = d
|
||||
c.mu.Unlock()
|
||||
}
|
||||
|
||||
// OnStockUpdate registers a callback called whenever polling (or status reads) produce a stock status string.
|
||||
func (c *Client) OnStockUpdate(fn func(string)) {
|
||||
c.lastStockMu.Lock()
|
||||
c.onStock = fn
|
||||
c.lastStockMu.Unlock()
|
||||
}
|
||||
|
||||
// LastStock returns the most recently computed stock/card-well status string.
|
||||
func (c *Client) LastStock() string {
|
||||
c.lastStockMu.RLock()
|
||||
defer c.lastStockMu.RUnlock()
|
||||
return c.lastStock
|
||||
}
|
||||
|
||||
func (c *Client) setStock(statusBytes []byte) {
|
||||
stock := stockTake(statusBytes)
|
||||
|
||||
c.lastStockMu.Lock()
|
||||
c.lastStock = stock
|
||||
fn := c.onStock
|
||||
c.lastStockMu.Unlock()
|
||||
|
||||
// call outside lock
|
||||
if fn != nil {
|
||||
fn(stock)
|
||||
}
|
||||
}
|
||||
|
||||
// StartPolling performs a periodic status refresh.
|
||||
// It will NOT interrupt commands: it enqueues only when queue is idle.
|
||||
func (c *Client) StartPolling(interval time.Duration) {
|
||||
if interval <= 0 {
|
||||
return
|
||||
}
|
||||
go func() {
|
||||
t := time.NewTicker(interval)
|
||||
defer t.Stop()
|
||||
|
||||
for {
|
||||
select {
|
||||
case <-c.done:
|
||||
return
|
||||
case <-t.C:
|
||||
// enqueue only if idle to avoid delaying real commands
|
||||
if len(c.reqCh) != 0 {
|
||||
continue
|
||||
}
|
||||
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
|
||||
_, err := c.CheckStatus(ctx)
|
||||
if err != nil {
|
||||
log.Debugf("dispenser polling: %v", err)
|
||||
}
|
||||
cancel()
|
||||
}
|
||||
}
|
||||
}()
|
||||
}
|
||||
|
||||
func (c *Client) loop() {
|
||||
for {
|
||||
select {
|
||||
case <-c.done:
|
||||
return
|
||||
case req := <-c.reqCh:
|
||||
c.handle(req)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Client) handle(req cmdReq) {
|
||||
select {
|
||||
case <-req.ctx.Done():
|
||||
req.respCh <- cmdResp{err: req.ctx.Err()}
|
||||
return
|
||||
default:
|
||||
}
|
||||
|
||||
switch req.typ {
|
||||
case cmdStatus:
|
||||
st, err := checkDispenserStatus(c.port)
|
||||
if err == nil && len(st) == 4 {
|
||||
c.mu.Lock()
|
||||
c.lastStatus = append([]byte(nil), st...)
|
||||
c.lastStatusT = time.Now()
|
||||
c.mu.Unlock()
|
||||
|
||||
// publish stock/cardwell
|
||||
c.setStock(st)
|
||||
}
|
||||
req.respCh <- cmdResp{status: st, err: err}
|
||||
|
||||
case cmdToEncoder:
|
||||
err := cardToEncoderPosition(c.port)
|
||||
req.respCh <- cmdResp{err: err}
|
||||
|
||||
case cmdOutOfMouth:
|
||||
err := cardOutOfMouth(c.port)
|
||||
req.respCh <- cmdResp{err: err}
|
||||
|
||||
default:
|
||||
req.respCh <- cmdResp{err: fmt.Errorf("unknown command")}
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Client) do(ctx context.Context, typ cmdType) ([]byte, error) {
|
||||
rch := make(chan cmdResp, 1)
|
||||
req := cmdReq{typ: typ, ctx: ctx, respCh: rch}
|
||||
|
||||
select {
|
||||
case c.reqCh <- req:
|
||||
case <-ctx.Done():
|
||||
return nil, ctx.Err()
|
||||
}
|
||||
|
||||
select {
|
||||
case r := <-rch:
|
||||
return r.status, r.err
|
||||
case <-ctx.Done():
|
||||
return nil, ctx.Err()
|
||||
}
|
||||
}
|
||||
|
||||
// CheckStatus returns cached status if fresh, otherwise enqueues a device status read.
|
||||
func (c *Client) CheckStatus(ctx context.Context) ([]byte, error) {
|
||||
c.mu.RLock()
|
||||
ttl := c.statusTTL
|
||||
st := append([]byte(nil), c.lastStatus...)
|
||||
ts := c.lastStatusT
|
||||
c.mu.RUnlock()
|
||||
|
||||
if len(st) == 4 && time.Since(ts) <= ttl {
|
||||
// even when returning cached, keep stock in sync
|
||||
c.setStock(st)
|
||||
return st, nil
|
||||
}
|
||||
return c.do(ctx, cmdStatus)
|
||||
}
|
||||
|
||||
func (c *Client) ToEncoder(ctx context.Context) error {
|
||||
_, err := c.do(ctx, cmdToEncoder)
|
||||
return err
|
||||
}
|
||||
|
||||
func (c *Client) OutOfMouth(ctx context.Context) error {
|
||||
_, err := c.do(ctx, cmdOutOfMouth)
|
||||
return err
|
||||
}
|
||||
|
||||
// --------------------
|
||||
// Public sequences updated to use Client (queue)
|
||||
// --------------------
|
||||
|
||||
// DispenserPrepare: check status; if empty => ok; else ensure at encoder.
|
||||
func (c *Client) DispenserPrepare(ctx context.Context) (string, error) {
|
||||
const funcName = "DispenserPrepare"
|
||||
stockStatus := ""
|
||||
|
||||
status, err := c.CheckStatus(ctx)
|
||||
if err != nil {
|
||||
return stockStatus, fmt.Errorf("[%s] check status: %w", funcName, err)
|
||||
}
|
||||
|
||||
logStatus(status)
|
||||
stockStatus = stockTake(status)
|
||||
c.setStock(status)
|
||||
|
||||
if isCardWellEmpty(status) {
|
||||
return stockStatus, nil
|
||||
}
|
||||
if isAtEncoderPosition(status) {
|
||||
return stockStatus, nil
|
||||
}
|
||||
|
||||
if err := c.ToEncoder(ctx); err != nil {
|
||||
return stockStatus, fmt.Errorf("[%s] to encoder: %w", funcName, err)
|
||||
}
|
||||
|
||||
time.Sleep(delay)
|
||||
status, err = c.CheckStatus(ctx)
|
||||
if err != nil {
|
||||
return stockStatus, fmt.Errorf("[%s] re-check status: %w", funcName, err)
|
||||
}
|
||||
logStatus(status)
|
||||
stockStatus = stockTake(status)
|
||||
c.setStock(status)
|
||||
|
||||
return stockStatus, nil
|
||||
}
|
||||
|
||||
func (c *Client) DispenserStart(ctx context.Context) (string, error) {
|
||||
const funcName = "DispenserStart"
|
||||
stockStatus := ""
|
||||
|
||||
status, err := c.CheckStatus(ctx)
|
||||
if err != nil {
|
||||
return stockStatus, fmt.Errorf("[%s] check status: %w", funcName, err)
|
||||
}
|
||||
|
||||
logStatus(status)
|
||||
stockStatus = stockTake(status)
|
||||
c.setStock(status)
|
||||
|
||||
if isCardWellEmpty(status) {
|
||||
return stockStatus, fmt.Errorf(stockStatus)
|
||||
}
|
||||
if isAtEncoderPosition(status) {
|
||||
return stockStatus, nil
|
||||
}
|
||||
|
||||
if err := c.ToEncoder(ctx); err != nil {
|
||||
return stockStatus, fmt.Errorf("[%s] to encoder: %w", funcName, err)
|
||||
}
|
||||
|
||||
time.Sleep(delay)
|
||||
status, err = c.CheckStatus(ctx)
|
||||
if err != nil {
|
||||
return stockStatus, fmt.Errorf("[%s] re-check status: %w", funcName, err)
|
||||
}
|
||||
logStatus(status)
|
||||
stockStatus = stockTake(status)
|
||||
c.setStock(status)
|
||||
|
||||
return stockStatus, nil
|
||||
}
|
||||
|
||||
func (c *Client) DispenserFinal(ctx context.Context) (string, error) {
|
||||
const funcName = "DispenserFinal"
|
||||
stockStatus := ""
|
||||
|
||||
if err := c.OutOfMouth(ctx); err != nil {
|
||||
return stockStatus, fmt.Errorf("[%s] out of mouth: %w", funcName, err)
|
||||
}
|
||||
|
||||
time.Sleep(delay)
|
||||
status, err := c.CheckStatus(ctx)
|
||||
if err != nil {
|
||||
return stockStatus, fmt.Errorf("[%s] check status: %w", funcName, err)
|
||||
}
|
||||
logStatus(status)
|
||||
stockStatus = stockTake(status)
|
||||
c.setStock(status)
|
||||
|
||||
time.Sleep(delay)
|
||||
if err := c.ToEncoder(ctx); err != nil {
|
||||
return stockStatus, fmt.Errorf("[%s] to encoder: %w", funcName, err)
|
||||
}
|
||||
|
||||
time.Sleep(delay)
|
||||
status, err = c.CheckStatus(ctx)
|
||||
if err != nil {
|
||||
return stockStatus, fmt.Errorf("[%s] re-check status: %w", funcName, err)
|
||||
}
|
||||
logStatus(status)
|
||||
stockStatus = stockTake(status)
|
||||
c.setStock(status)
|
||||
|
||||
return stockStatus, nil
|
||||
}
|
||||
@ -12,6 +12,8 @@ import (
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
"github.com/tarm/serial"
|
||||
|
||||
"gitea.futuresens.co.uk/futuresens/cmstypes"
|
||||
"gitea.futuresens.co.uk/futuresens/hardlink/config"
|
||||
"gitea.futuresens.co.uk/futuresens/hardlink/dispenser"
|
||||
@ -25,26 +27,24 @@ import (
|
||||
)
|
||||
|
||||
type App struct {
|
||||
disp *dispenser.Client
|
||||
dispPort *serial.Port
|
||||
lockserver lockserver.LockServer
|
||||
isPayment bool
|
||||
db *sql.DB
|
||||
cfg *config.ConfigRec
|
||||
dbMu sync.Mutex
|
||||
cardWellMu sync.RWMutex
|
||||
cardWellStatus string
|
||||
}
|
||||
|
||||
func NewApp(disp *dispenser.Client, lockType, encoderAddress, cardWellStatus string, db *sql.DB, cfg *config.ConfigRec) *App {
|
||||
app := &App{
|
||||
func NewApp(dispPort *serial.Port, lockType, encoderAddress, cardWellStatus string, db *sql.DB, cfg *config.ConfigRec) *App {
|
||||
return &App{
|
||||
isPayment: cfg.IsPayment,
|
||||
disp: disp,
|
||||
dispPort: dispPort,
|
||||
lockserver: lockserver.NewLockServer(lockType, encoderAddress, errorhandlers.FatalError),
|
||||
db: db,
|
||||
cfg: cfg,
|
||||
cardWellStatus: cardWellStatus,
|
||||
}
|
||||
app.SetCardWellStatus(cardWellStatus)
|
||||
return app
|
||||
}
|
||||
|
||||
func (app *App) RegisterRoutes(mux *http.ServeMux) {
|
||||
@ -281,51 +281,37 @@ func (app *App) issueDoorCard(w http.ResponseWriter, r *http.Request) {
|
||||
return
|
||||
}
|
||||
|
||||
// Ensure dispenser ready (card at encoder) BEFORE we attempt encoding.
|
||||
// With queued dispenser ops, this will not clash with polling.
|
||||
status, err := app.disp.DispenserStart(r.Context())
|
||||
app.SetCardWellStatus(status)
|
||||
if err != nil {
|
||||
if app.cardWellStatus, err = dispenser.DispenserStart(app.dispPort); err != nil {
|
||||
logging.Error(serviceName, err.Error(), "Dispense error", string(op), "", "", 0)
|
||||
errorhandlers.WriteError(w, http.StatusServiceUnavailable, "Dispense error: "+err.Error())
|
||||
return
|
||||
}
|
||||
|
||||
// Always attempt to finalize after we have moved a card / started an issuance flow.
|
||||
// This guarantees we eject and prepare the next card even on lock failures.
|
||||
finalize := func() {
|
||||
if app.disp == nil {
|
||||
return
|
||||
}
|
||||
ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
|
||||
defer cancel()
|
||||
|
||||
status, ferr := app.disp.DispenserFinal(ctx)
|
||||
if ferr != nil {
|
||||
logging.Error(serviceName, ferr.Error(), "Dispenser final error", string(op), "", "", 0)
|
||||
return
|
||||
}
|
||||
app.SetCardWellStatus(status)
|
||||
}
|
||||
|
||||
// build lock server command
|
||||
app.lockserver.BuildCommand(doorReq, checkIn, checkOut)
|
||||
|
||||
// lock server sequence
|
||||
if err := app.lockserver.LockSequence(); err != nil {
|
||||
err = app.lockserver.LockSequence()
|
||||
if err != nil {
|
||||
logging.Error(serviceName, err.Error(), "Key encoding", string(op), "", "", 0)
|
||||
finalize()
|
||||
dispenser.DispenserFinal(app.dispPort)
|
||||
errorhandlers.WriteError(w, http.StatusBadGateway, err.Error())
|
||||
return
|
||||
}
|
||||
|
||||
// final dispenser steps
|
||||
finalize()
|
||||
if app.cardWellStatus, err = dispenser.DispenserFinal(app.dispPort); err != nil {
|
||||
logging.Error(serviceName, err.Error(), "Dispenser eject error", string(op), "", "", 0)
|
||||
errorhandlers.WriteError(w, http.StatusServiceUnavailable, "Dispenser eject error: "+err.Error())
|
||||
return
|
||||
}
|
||||
|
||||
theResponse.Code = http.StatusOK
|
||||
theResponse.Message = "Card issued successfully"
|
||||
// success! return 200 and any data you like
|
||||
w.Header().Set("Content-Type", "application/json")
|
||||
w.WriteHeader(http.StatusOK)
|
||||
_ = json.NewEncoder(w).Encode(theResponse)
|
||||
json.NewEncoder(w).Encode(theResponse)
|
||||
}
|
||||
|
||||
func (app *App) printRoomTicket(w http.ResponseWriter, r *http.Request) {
|
||||
@ -383,20 +369,8 @@ func (app *App) printRoomTicket(w http.ResponseWriter, r *http.Request) {
|
||||
func (app *App) reportDispenserStatus(w http.ResponseWriter, r *http.Request) {
|
||||
w.Header().Set("Content-Type", "application/json")
|
||||
w.WriteHeader(http.StatusOK)
|
||||
_ = json.NewEncoder(w).Encode(cmstypes.StatusRec{
|
||||
json.NewEncoder(w).Encode(cmstypes.StatusRec{
|
||||
Code: http.StatusOK,
|
||||
Message: app.CardWellStatus(),
|
||||
Message: app.cardWellStatus,
|
||||
})
|
||||
}
|
||||
|
||||
func (app *App) SetCardWellStatus(s string) {
|
||||
app.cardWellMu.Lock()
|
||||
app.cardWellStatus = s
|
||||
app.cardWellMu.Unlock()
|
||||
}
|
||||
|
||||
func (app *App) CardWellStatus() string {
|
||||
app.cardWellMu.RLock()
|
||||
defer app.cardWellMu.RUnlock()
|
||||
return app.cardWellStatus
|
||||
}
|
||||
|
||||
79
main.go
79
main.go
@ -1,7 +1,6 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/xml"
|
||||
"fmt"
|
||||
"net/http"
|
||||
@ -27,82 +26,68 @@ import (
|
||||
)
|
||||
|
||||
const (
|
||||
buildVersion = "1.1.2"
|
||||
buildVersion = "1.1.0"
|
||||
serviceName = "hardlink"
|
||||
pollingFrequency = 8 * time.Second
|
||||
)
|
||||
|
||||
func main() {
|
||||
// Load config
|
||||
cfg := config.ReadHardlinkConfig()
|
||||
config := config.ReadHardlinkConfig()
|
||||
printer.Layout = readTicketLayout()
|
||||
printer.PrinterName = cfg.PrinterName
|
||||
lockserver.Cert = cfg.Cert
|
||||
lockserver.LockServerURL = cfg.LockserverUrl
|
||||
|
||||
var (
|
||||
dispPort *serial.Port
|
||||
disp *dispenser.Client
|
||||
cardWellStatus string
|
||||
)
|
||||
printer.PrinterName = config.PrinterName
|
||||
lockserver.Cert = config.Cert
|
||||
lockserver.LockServerURL = config.LockserverUrl
|
||||
dispHandle := &serial.Port{}
|
||||
cardWellStatus := ""
|
||||
|
||||
// Setup logging and get file handle
|
||||
logFile, err := logging.SetupLogging(cfg.LogDir, serviceName, buildVersion)
|
||||
logFile, err := logging.SetupLogging(config.LogDir, serviceName, buildVersion)
|
||||
if err != nil {
|
||||
log.Printf("Failed to set up logging: %v\n", err)
|
||||
}
|
||||
defer logFile.Close()
|
||||
|
||||
// Initialize dispenser
|
||||
if !cfg.TestMode {
|
||||
dispenser.SerialPort = cfg.DispenserPort
|
||||
dispenser.Address = []byte(cfg.DispenserAdrr)
|
||||
|
||||
dispPort, err = dispenser.InitializeDispenser()
|
||||
if !config.TestMode {
|
||||
dispenser.SerialPort = config.DispenserPort
|
||||
dispenser.Address = []byte(config.DispenserAdrr)
|
||||
dispHandle, err = dispenser.InitializeDispenser()
|
||||
if err != nil {
|
||||
errorhandlers.FatalError(err)
|
||||
}
|
||||
defer dispPort.Close()
|
||||
defer dispHandle.Close()
|
||||
|
||||
// Start queued dispenser client (single goroutine owns the serial port)
|
||||
disp = dispenser.NewClient(dispPort, 32)
|
||||
defer disp.Close()
|
||||
|
||||
// Prepare dispenser (ensures card at encoder position unless empty)
|
||||
ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
|
||||
defer cancel()
|
||||
|
||||
cardWellStatus, err = disp.DispenserPrepare(ctx)
|
||||
cardWellStatus, err = dispenser.DispenserPrepare(dispHandle)
|
||||
if err != nil {
|
||||
err = fmt.Errorf("%s; wrong dispenser address: %s", err, cfg.DispenserAdrr)
|
||||
err = fmt.Errorf("%s; wrong dispenser address: %s", err, config.DispenserAdrr)
|
||||
errorhandlers.FatalError(err)
|
||||
}
|
||||
fmt.Println(cardWellStatus)
|
||||
}
|
||||
|
||||
// Test lock-server connection
|
||||
switch strings.ToLower(cfg.LockType) {
|
||||
switch strings.ToLower(config.LockType) {
|
||||
case lockserver.TLJ:
|
||||
// TLJ uses HTTP - skip TCP probe here (as you did before)
|
||||
|
||||
default:
|
||||
lockConn, err := lockserver.InitializeServerConnection(cfg.LockserverUrl)
|
||||
lockConn, err := lockserver.InitializeServerConnection(config.LockserverUrl)
|
||||
if err != nil {
|
||||
fmt.Println(err.Error())
|
||||
log.Errorf(err.Error())
|
||||
} else {
|
||||
fmt.Printf("Connected to the lock server successfuly at %s\n", cfg.LockserverUrl)
|
||||
log.Infof("Connected to the lock server successfuly at %s", cfg.LockserverUrl)
|
||||
fmt.Printf("Connected to the lock server successfuly at %s\n", config.LockserverUrl)
|
||||
log.Infof("Connected to the lock server successfuly at %s", config.LockserverUrl)
|
||||
lockConn.Close()
|
||||
}
|
||||
}
|
||||
|
||||
database, err := bootstrap.OpenDB(&cfg)
|
||||
database, err := bootstrap.OpenDB(&config)
|
||||
if err != nil {
|
||||
log.Warnf("DB init failed: %v", err)
|
||||
}
|
||||
defer database.Close()
|
||||
|
||||
if cfg.IsPayment {
|
||||
if config.IsPayment {
|
||||
fmt.Println("Payment processing is enabled")
|
||||
log.Info("Payment processing is enabled")
|
||||
startChipDnaClient()
|
||||
@ -112,30 +97,14 @@ func main() {
|
||||
}
|
||||
|
||||
// Create App and wire routes
|
||||
// NOTE: change handlers.NewApp signature to accept *dispenser.Client instead of *serial.Port
|
||||
app := handlers.NewApp(disp, cfg.LockType, cfg.EncoderAddress, cardWellStatus, database, &cfg)
|
||||
|
||||
// Update cardWellStatus when dispenser status changes
|
||||
if !cfg.TestMode {
|
||||
// Set initial cardWellStatus
|
||||
app.SetCardWellStatus(cardWellStatus)
|
||||
|
||||
// Set up callback to update cardWellStatus when dispenser status changes
|
||||
disp.OnStockUpdate(func(stock string) {
|
||||
app.SetCardWellStatus(stock)
|
||||
})
|
||||
|
||||
// Start polling for dispenser status every 10 seconds
|
||||
disp.StartPolling(pollingFrequency)
|
||||
}
|
||||
app := handlers.NewApp(dispHandle, config.LockType, config.EncoderAddress, cardWellStatus, database, &config)
|
||||
|
||||
mux := http.NewServeMux()
|
||||
app.RegisterRoutes(mux)
|
||||
|
||||
addr := fmt.Sprintf(":%d", cfg.Port)
|
||||
addr := fmt.Sprintf(":%d", config.Port)
|
||||
log.Infof("Starting HTTP server on http://localhost%s", addr)
|
||||
fmt.Printf("Starting HTTP server on http://localhost%s", addr)
|
||||
|
||||
if err := http.ListenAndServe(addr, mux); err != nil {
|
||||
errorhandlers.FatalError(err)
|
||||
}
|
||||
|
||||
@ -2,12 +2,6 @@
|
||||
|
||||
builtVersion is a const in main.go
|
||||
|
||||
#### 1.1.2 - 02 February 2026
|
||||
added logging for unknown dispenser status positions
|
||||
|
||||
#### 1.1.1 - 02 February 2026
|
||||
added contionuous polling of the dispenser status every 8 seconds to update the card well status
|
||||
|
||||
#### 1.1.0 - 26 January 2026
|
||||
divided `/starttransaction` endpoint into two separate endpoints:
|
||||
`/takepreauth` to request preauthorization payment
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user