X-Git-Url: https://git.friedersdorff.com/?a=blobdiff_plain;f=converter%2Fibm4704_usb%2Fmatrix.c;h=c02d9e50bba988a58b416f27bfca4b4470dedcaa;hb=1ad31539a6e27d55af374cc8ad55194227db35dd;hp=796e2d06421ac7bd9b6344e499300c6e7d82961b;hpb=ebe951a445b5d774542731d6165a9c5cd56beb2b;p=max%2Ftmk_keyboard.git

diff --git a/converter/ibm4704_usb/matrix.c b/converter/ibm4704_usb/matrix.c
index 796e2d06..c02d9e50 100644
--- a/converter/ibm4704_usb/matrix.c
+++ b/converter/ibm4704_usb/matrix.c
@@ -29,7 +29,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 static void matrix_make(uint8_t code);
 static void matrix_break(uint8_t code);
-static void matrix_clear(void);
 
 
 /*
@@ -53,49 +52,36 @@ static uint8_t matrix[MATRIX_ROWS];
 #define COL(code)      (code&0x07)
 
 
-inline
-uint8_t matrix_rows(void)
+static void enable_break(void)
 {
-    return MATRIX_ROWS;
+    print("Enable break: ");
+    while (ibm4704_send(0xFC)) { _delay_ms(10); }
+    // valid scancode: 00-79h
+    for (uint8_t code = 0; code < 0x7F; code++) {
+        while (ibm4704_send(0x80|code)) _delay_ms(10);
+        _delay_ms(5);   // wait for response
+        // No response(FF) when ok, FD when out of bound
+        xprintf("s%02X:r%02X ", code, ibm4704_recv());
+    }
+    while (ibm4704_send(0xFF)) { _delay_ms(10); } // End
+    print("End\n");
 }
 
-inline
-uint8_t matrix_cols(void)
-{
-    return MATRIX_COLS;
-}
 
-static void enable_break(void)
+void matrix_setup(void)
 {
-    uint8_t ret;
-    for (uint8_t code = 0; code < 0x80; code++) {
-        while (ibm4704_send(0x80|code) != 0) {
-            print("z");
-        }
-        _delay_ms(1);
-        ret = ibm4704_recv(); 
-        if (ret!=0xFF) {
-            xprintf("%0X: %0X ", code, ret);
-        }
-    }
-    _delay_us(100);
-    print("End\n");
-    while (ibm4704_send(0xFF) != 0) {
-        print("Z");
-    } // End
+    ibm4704_init();
 }
 
 void matrix_init(void)
 {
     debug_enable = true;
 
-    ibm4704_init();
+    print("IBM 4704 converter\n");
     matrix_clear();
-
-    xprintf("------\n");
+    _delay_ms(2000);    // wait for keyboard starting up
+    xprintf("Keyboard ID: %02X\n", ibm4704_recv());
     enable_break();
-    //while (ibm4704_send(0x8C) != 0) ;
-    //while (ibm4704_send(0xFF) != 0) ;
 }
 
 /*
@@ -107,59 +93,27 @@ uint8_t matrix_scan(void)
     if (code==0xFF) {
         // Not receivd
         return 0;
-    } else if ((code&0x78)==0x78) {
-        // 0xFF-F8 and 0x7F-78 is not scan code
-        dprintf("Error: %0X\n", code);
+    } else if ((code&0x7F) >= 0x7C) {
+        // 0xFF-FC and 0x7F-7C is not scancode
+        xprintf("Error: %02X\n", code);
         matrix_clear();
         return 0;
     } else if (code&0x80) {
+        dprintf("%02X\n", code);
         matrix_make(code);
     } else {
+        dprintf("%02X\n", code);
         matrix_break(code);
     }
     return 1;
 }
 
-inline
-bool matrix_has_ghost(void)
-{
-    return false;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
-    return (matrix[row] & (1<<col));
-}
-
 inline
 uint8_t matrix_get_row(uint8_t row)
 {
     return matrix[row];
 }
 
-void matrix_print(void)
-{
-    print("\nr/c 01234567\n");
-    for (uint8_t row = 0; row < matrix_rows(); row++) {
-        // TODO: use new function
-        phex(row); print(": ");
-        pbin_reverse(matrix_get_row(row));
-        print("\n");
-    }
-}
-
-uint8_t matrix_key_count(void)
-{
-    uint8_t count = 0;
-    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        count += bitpop(matrix[i]);
-    }
-    return count;
-}
-
-
-
 inline
 static void matrix_make(uint8_t code)
 {
@@ -172,8 +126,7 @@ static void matrix_break(uint8_t code)
     matrix[ROW(code)] &= ~(1<<COL(code));
 }
 
-inline
-static void matrix_clear(void)
+void matrix_clear(void)
 {
     for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
 }