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Modified the behavior of the current track location on Arduino boot. #6

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Merged
merged 1 commit into from
Nov 24, 2020
Merged

Modified the behavior of the current track location on Arduino boot. #6

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8 changes: 6 additions & 2 deletions FloppyDriveController.sketch/FloppyDriveController.sketch.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -81,8 +81,8 @@
// Paula on the Amiga used to find the SYNC WORDS and then read 0x1900 further WORDS. A dos track is 11968 bytes in size, theritical revolution is 12800 bytes.
#define RAW_TRACKDATA_LENGTH (0x1900*2+0x440) // Paula assumed it was 12868 bytes, so we read that, plus thre size of a sectors

// The current track that the head is over
int currentTrack = 0;
// The current track that the head is over. Starts with -1 to identify an unknown head position.
int currentTrack = -1;

// If the drive has been switched on or not
bool driveEnabled = 0;
Expand Down Expand Up @@ -185,6 +185,7 @@ void setup() {
pinMode(PIN_MOTOR_STEP,OUTPUT);
pinMode(PIN_ACTIVITY_LED,OUTPUT);

digitalWrite(PIN_MOTOR_STEP, HIGH);
digitalWrite(PIN_ACTIVITY_LED,LOW);

// Disable all interrupts - we dont want them!
Expand Down Expand Up @@ -306,6 +307,9 @@ bool gotoTrackX() {
// Exit if its already been reached
if (track == currentTrack) return true;

// If current track is unknown go to track 0 first
if (currentTrack == -1) goToTrack0();

// And step the head until we reach this track number
if (currentTrack < track) {
digitalWrite(PIN_MOTOR_DIR,MOTOR_TRACK_INCREASE); // Move OUT
Expand Down