uart changes for tiny2313, hc595 set routine, touch timer.asm, mods to main in order...

diff --git a/led_plex/main.asm b/led_plex/main.asm
index 32f1e7d..ef66821 100644 (file)
--- a/led_plex/main.asm
+++ b/led_plex/main.asm
@@ -10,6 +10,8 @@
 .def   tmp1            = r16
 .def   tmp2            = r17
 .def   uart_rxtx       = r18
+.def   hc595_sink      = r19
+.def   hc595_source    = r20
 
 ;
 ; interrupts
@@ -37,7 +39,7 @@ rjmp T1_OVF
 rjmp T0_OVF
 
 ; UART RX
-rjmp UART_RX
+rjmp UART_RECEIVE
 
 ; UART UDRE
 reti
@@ -72,9 +74,9 @@ reti
 ; WDT OVF
 reti
 
-
-; include control defines
-.include "ctrl.def"
+;
+; init and main code
+;
 
 RESET:
 INIT:
@@ -83,7 +85,7 @@ INIT:
        rcall PORT_INIT
 
        ; timer init
-       rcall TIMER_INIT
+       ;rcall TIMER_INIT
 
        ; uart init
        rcall UART_INIT
@@ -99,7 +101,14 @@ INIT:
        ;sei 
 
        ; signal ready output
-       ldi uart_rxtx,0x23
+       ldi uart_rxtx,0x68
+       rcall UART_TX
+
+       ; testing ... DO NOT CONNECT LEDS BY NOW !!!
+       ldi hc595_sink,0xff
+       ldi hc595_source,0xff
+       rcall SET_HC595
+       ldi uart_rxtx,0x61
        rcall UART_TX
 
 MAIN:
@@ -124,6 +133,6 @@ T1_OVF:
 T0_OVF:
        reti
 
-UART_RX:
+UART_RECEIVE:
        reti
 

diff --git a/led_plex/port.asm b/led_plex/port.asm
index 715a402..55e90e2 100644 (file)
--- a/led_plex/port.asm
+++ b/led_plex/port.asm
@@ -7,15 +7,172 @@ PORT_INIT:
        out DDRB,tmp1
 
        ; g, rck, sck -> low / scl -> high
-       cbi PORTB,(1<<0)|(1<<1)|(1<<2)
-       sbi PORTB,(1<<3)
+       ldi tmp1,0x07
+       out PORTB,tmp1
+       sbi PORTB,3
 
        ; port d 6 -> output
-       ldi tmp1,(1<<6)
-       out DDRD,tmp1
+       sbi DDRD,6
 
        ; ser -> low
-       cbi PORTD,(1<<6)
+       cbi PORTD,6
 
        ret
 
+SET_HC595:
+
+       ; storage clock -> low
+       cbi PORTD,1
+
+       ; source driver
+
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_source,7
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_source,6
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_source,5
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_source,4
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_source,3
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_source,2
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_source,1
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_source,0
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+
+       ; sink driver
+       
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_sink,7
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+       
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_sink,6
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+       
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_sink,5
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+       
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_sink,4
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+       
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_sink,3
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+       
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_sink,2
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+       
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_sink,1
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+       
+       ; clock -> low
+       cbi PORTB,2
+       ; set ser line
+       cbi PORTD,6
+       sbrc hc595_sink,0
+       sbi PORTD,6
+       ; clock -> high
+       sbi PORTB,2
+       
+       ; store to storage register
+       sbi PORTB,1
+
+       ret

diff --git a/led_plex/timer.asm b/led_plex/timer.asm
new file mode 100644 (file)
index 0000000..e371f65
--- /dev/null
+++ b/led_plex/timer.asm
@@ -0,0 +1,2 @@
+; timer functions
+

diff --git a/led_plex/uart.asm b/led_plex/uart.asm
index e7a5830..fbfbf3d 100644 (file)
--- a/led_plex/uart.asm
+++ b/led_plex/uart.asm
@@ -10,51 +10,51 @@ UART_INIT:
 
        ; baudrate
        ldi tmp1,UART_BR_H
-       sts UBRR0H,tmp1
+       out UBRRH,tmp1
        ldi tmp1,UART_BR_L
-       out UBRR0L,tmp1
+       out UBRRL,tmp1
 
        ; enable
        ldi tmp1,(1<<RXEN)|(1<<TXEN)
-       out UCSR0B,tmp1
+       out UCSRB,tmp1
 
        ; frame format -> 8n1
-       ldi tmp1,(1<<UCSZ00)|(1<<UCSZ01)
-       sts UCSR0C,tmp1
+       ldi tmp1,(1<<UCSZ0)|(1<<UCSZ1)
+       out UCSRC,tmp1
 
        ret
 
 UART_INT_RX_INIT:
 
-       in tmp1,UCSR0B
-       sbr tmp1,(1<<RXCIE0)
-       out UCSR0B,tmp1
+       in tmp1,UCSRB
+       sbr tmp1,(1<<RXCIE)
+       out UCSRB,tmp1
 
        ret
 
 UART_INT_TX_INIT:
 
-       in tmp1,UCSR0B
-       sbr tmp1,(1<<TXCIE0)
-       out UCSR0B,tmp1
+       in tmp1,UCSRB
+       sbr tmp1,(1<<TXCIE)
+       out UCSRB,tmp1
 
        ret
 
 UART_RX:
 
        ; get/store received byte
-       sbis UCSR0A,RXC0
+       sbis UCSRA,RXC
                rjmp UART_RX
-       in uart_rxtx,UDR0
+       in uart_rxtx,UDR
 
        ret
 
 UART_TX:
 
        ; transmit content of uart_rxtx
-       sbis UCSR0A,UDRE
+       sbis UCSRA,UDRE
                rjmp UART_TX
-       out UDR0,uart_rxtx
+       out UDR,uart_rxtx
 
        ret