Read track data from MSRX6 BT Serial

diff --git a/MSRX6/mxread.odin b/MSRX6/mxread.odin
new file mode 100644 (file)
index 0000000..9a6c2be
--- /dev/null
+++ b/MSRX6/mxread.odin
@@ -0,0 +1,78 @@
+package mxread
+import "core:bytes"
+import "core:os"
+import "core:time"
+import "core:fmt"
+import "core:sys/windows"
+
+COM_PORT :: "\\\\.\\COM10"
+main :: proc() {
+       fp, errno := os.open(COM_PORT, os.O_RDWR)
+       if errno != 0 {
+               fmt.println("COM port open failure!", errno);
+               return;
+       }
+       fd := cast(windows.HANDLE)os.fd(fp)
+       dcb: windows.DCB
+       dcb.DCBlength = size_of(type_of(dcb))
+       if !windows.GetCommState(fd, &dcb) {
+               fmt.println("GetCommState failure!", windows.GetLastError());
+               return;
+       }
+
+       dcb.BaudRate = 9600
+       dcb.StopBits = .One
+       dcb.Parity = .None
+       if !windows.SetCommState(fd, &dcb) {
+               fmt.println("GetCommState failure!", windows.GetLastError());
+               return;
+       }
+
+       timeouts: windows.COMMTIMEOUTS
+       timeouts.ReadIntervalTimeout = 50
+       timeouts.ReadTotalTimeoutConstant = 10000
+       timeouts.ReadTotalTimeoutMultiplier = 10
+       timeouts.WriteTotalTimeoutConstant = 2000
+       timeouts.WriteTotalTimeoutMultiplier = 10
+       if !windows.SetCommTimeouts(fd, &timeouts) {
+               fmt.println("SetCommTimeouts failure!", windows.GetLastError());
+               return;
+       }
+
+       /*
+       fmt.println("Telling MSR to reset!")
+       RESET := [2]u8 { 0x1b, 0x61 }
+       _, errno = os.write(fp, RESET[:])
+       time.sleep(time.Second)
+       if errno != 0 {
+               fmt.println("Write failed!", errno)
+       }
+       fmt.println("Telling MSR to blink!")
+       LEDS := [2]u8 { 0x1b, 0x81 }
+       _, errno = os.write(fp, LEDS[:])
+       time.sleep(time.Second)
+       if errno != 0 {
+               fmt.println("Write failed!", errno)
+       }
+       */
+       fmt.println("Reading track data!")
+       READ := [2]u8 {0x1b, 0x72}
+       _, errno = os.write(fp, READ[:])
+       if errno != 0 {
+               fmt.println("Write failed!", errno)
+       } else {
+               buffer: [1024]u8
+               N, nread := 0, 0
+               errno = 0
+               for errno == 0 {
+                       N += nread
+                       if bytes.index_any(buffer[:N], {0x3f, 0x3f}) >= 0 {
+                               break;
+                       }
+                       nread, errno = os.read(fp, buffer[N:])
+               }
+               fmt.println(cast(string)buffer[4:N])
+       }
+       fmt.println("Success!");
+       os.close(fp)
+}