diff -r 11d6167a67cb -r a7c668003a19 led7seg.inc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/led7seg.inc	Sat May 08 16:00:18 2010 +0300
@@ -0,0 +1,96 @@
+.equ LED7_DDR    = DDRB
+.equ LED7_PORT   = PORTB
+.equ LED7_OE     = PORTB1                ; Output Enable (Low)
+
+; Output font for 7-segment display
+LED7_Font:
+.db     0b00111111, 0b00000110      ; 0, 1
+.db     0b01011011, 0b01001111      ; 2, 3
+.db     0b01100110, 0b01101101      ; 4, 5
+.db     0b01111101, 0b00000111      ; 6, 7
+.db     0b01111111, 0b01100111      ; 8, 9
+.db     0b01110111, 0b01111100      ; A, b
+.db     0b00111001, 0b01011110      ; C, d
+.db     0b01111001, 0b01110001      ; E, f
+.db     0b10000000, 0b00000000      ; ., 
+
+;.db     0b00111111,     ; 0
+;        0b00000110,     ; 1
+;        0b01011011,     ; 2
+;        0b01001111,     ; 3
+;        0b01100110,     ; 4
+;        0b01101101,     ; 5
+;        0b01111101,     ; 6
+;        0b00000111,     ; 7
+;        0b01111111,     ; 8
+;        0b01100111,     ; 9
+;        0b10000000,     ; .
+;        0b01000000      ; 
+
+.equ LED7_0      = 0
+.equ LED7_1      = 1
+.equ LED7_2      = 2
+.equ LED7_3      = 3
+.equ LED7_4      = 4
+.equ LED7_5      = 5
+.equ LED7_6      = 6
+.equ LED7_7      = 7
+.equ LED7_8      = 8
+.equ LED7_9      = 9
+.equ LED7_A      = 10
+.equ LED7_B      = 11
+.equ LED7_C      = 12
+.equ LED7_D      = 13
+.equ LED7_E      = 14
+.equ LED7_F      = 15
+.equ LED7_DOT    = 16
+.equ LED7_EMPTY  = 17
+
+;; Initialize LCD to empty, and enable
+LED7_Init:
+    ; Setup ENable port
+        sbi         LED7_PORT, LED7_OE    ; Disabled (Low)
+        sbi         LED7_DDR, LED7_OE     ; Out
+
+        ; empty
+        ldi         r16, 0b11111111
+
+    ; Output
+        rcall       SPI_SendRecv
+        rcall       SPI_Wait
+
+    ; Enable
+        cbi         LED7_PORT, LED7_OE
+
+    ; Done
+        ret
+
+;; Display a single digit on the display
+;;  Input: r16
+LED7_Show:
+        clr         r0, 0
+
+    ; Prep address
+        ; base addr for font table
+        ldi         ZH, high(2*LED7_Font)
+        ldi         ZL, low(2*LED7_Font)
+        
+        ; offset
+        add         ZL, r16
+        adc         ZH, r0
+
+    ; Load char
+        lpm         r16, Z
+    
+    ;; Continue
+
+;; Display a raw segment mask
+;;  Input: r16
+LED7_ShowRaw:
+    ; Invert
+        ; com         r16
+
+    ; Display
+        rjmp        SPI_SendRecv
+
+