[Lcd4linux-devel] Lcd4linus: driver for Sure Electronics 1602 LCD Display Board with USB, patch attached

[Mikhail <any...@ma...>]

Seems mailing list can's show attachments.
So, dup it in a plain test here.


*** drv_MatrixOrbital.c.old     2010-07-12 09:34:57.000000000 +0400
--- drv_MatrixOrbital.c 2010-07-12 09:42:49.000000000 +0400
***************
*** 58,63 ****
--- 58,65 ----
  static int Model;
  static int Protocol;

+ static char dispBuffer[2][16];
+
  typedef struct {
      int type;
      char *name;
***************
*** 98,103 ****
--- 100,106 ----
      {0x36, "LK202-24-USB", 2, 20, 8, 8, 2},
      {0x38, "LK204-24-USB", 4, 20, 8, 8, 2},
      {0x39, "VK204-24-USB", 4, 20, 8, 8, 2},
+     {0x40, "DE-LD011", 2, 16, 0, 0, 3},       // Sure electronics USB LCD board Rev.I
      {0xff, "Unknown", -1, -1, 0, 0, 0}
  };

***************
*** 106,113 ****
--- 109,141 ----
  /***  hardware dependant functions    ***/
  /****************************************/

+
+ static void drv_MO_write(const int row, const int col, const char *data, const int len)
+ {
+     char cmd[5] = "\376Gyx";
+
+     cmd[3] = (char) row + 1;
+
+     if (Models[Model].protocol  == 3) {       // Sure electronics USB LCD board - full line output
+         cmd[2] = (char) 1;
+         drv_generic_serial_write(cmd, 4);
+
+         strncpy(&(dispBuffer[row][col]),data,len);
+
+         drv_generic_serial_write(dispBuffer[row], 16);
+     } else {
+         cmd[2] = (char) col + 1;
+         drv_generic_serial_write(cmd, 4);
+
+         drv_generic_serial_write(data, len);
+     }
+ }
+
+
  static void drv_MO_clear(void)
  {
+     int i,j;
+
      switch (Protocol) {
      case 1:
        drv_generic_serial_write("\014", 1);    /* Clear Screen */
***************
*** 115,133 ****
      case 2:
        drv_generic_serial_write("\376\130", 2);        /* Clear Screen */
        break;
!     }
! }
!
!
! static void drv_MO_write(const int row, const int col, const char *data, const int len)
! {
!     char cmd[5] = "\376Gyx";
!
!     cmd[2] = (char) col + 1;
!     cmd[3] = (char) row + 1;
!     drv_generic_serial_write(cmd, 4);

!     drv_generic_serial_write(data, len);
  }


--- 143,162 ----
      case 2:
        drv_generic_serial_write("\376\130", 2);        /* Clear Screen */
        break;
!
!     case 3:
!
!         for (i=0;i<2;i++) {           // Sure electronics USB LCD board - clear buffer
!           for (j=0;j<16;j++) {
!               dispBuffer[i][j] = ' ';
!           }
!       }
!
!       drv_MO_write(1,1,dispBuffer[0],16);
!       drv_MO_write(1,2,dispBuffer[1],16);

!       break;
!     }
  }


***************
*** 301,313 ****
        info("%s: no '%s.Model' entry from %s, auto-dedecting", Name, section, cfg_source());
        Model = -1;
      }
!

      if (drv_generic_serial_open(section, Name, 0) < 0)
        return -1;

      if (Model == -1 || Models[Model].protocol > 1) {
        /* read module type */
        drv_generic_serial_write("\3767", 2);
        usleep(1000);
        if (drv_generic_serial_read(buffer, 1) == 1) {
--- 330,351 ----
        info("%s: no '%s.Model' entry from %s, auto-dedecting", Name, section, cfg_source());
        Model = -1;
      }
!
!     if (Models[i].protocol == 3) {    // Sure electronics USB LCD board - full line output
!         int i,j;
!         for (i=0;i<2;i++) {           // Clear buffer
!           for (j=0;j<16;j++) {
!               dispBuffer[i][j] = ' ';
!           }
!       }
!     }

      if (drv_generic_serial_open(section, Name, 0) < 0)
        return -1;

      if (Model == -1 || Models[Model].protocol > 1) {
        /* read module type */
+
        drv_generic_serial_write("\3767", 2);
        usleep(1000);
        if (drv_generic_serial_read(buffer, 1) == 1) {
***************
*** 543,554 ****
--- 581,596 ----

      /* clear display */
      drv_MO_clear();
+
+     usleep(300000);

      /* say goodbye... */
      if (!quiet) {
        drv_generic_text_greet("goodbye!", NULL);
      }

+     usleep(300000);
+
      drv_generic_serial_close();

      return (0);


Thanks
Mikhail