X-Git-Url: http://cloudbase.mooo.com/gitweb/z180-stamp.git/blobdiff_plain/05994bd90cb36f10ff72c6a70d7cecc61b67fb2f..5f7f3586b0444116d5c1340465ecae8d6daa2461:/avr/gpio.c

diff --git a/avr/gpio.c b/avr/gpio.c
index 3c47247..73e9c39 100644
--- a/avr/gpio.c
+++ b/avr/gpio.c
@@ -1,42 +1,46 @@
+/*
+ * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
 #include "common.h"
 #include <util/atomic.h>
 #include <limits.h>
 #include "debug.h"
 #include "gpio.h"
 
-
 /*
 
-Pin	Name	Port	Timer	Mode	max div		max div		min f [Hz]
-----------------------------------------------------------------------------------
-0		PG5	OC0B	PWM	(2**8)*1024	  262144	70.31
-1		PG4
-2	CLK2	PB4	OC2A	Toggle	(2**8)*1024*2	  524288	35.16
-3	ZCLK	PB5	OC1A	PWM	(2**16)*1024	67108864	0.2746
-4		PB6	OC1B	PWM	(2**16)*1024	67108864	0.2746
-5		PB7	OC0A	Toggle	(2**8)*1024*2	  524288	35.16
-6		PG3
-7		PG2
-8		PG1
-9		PG0
-10	CLKO	PE7
-
-
-pre	Timer0		Timer1		Timer2
+Pin Name    Port    Timer   Mode    max div         max div     min f [Hz]
+--------------------------------------------------------------------------------
+0           PG5     OC0B    PWM     (2**8)*1024     262144      70.31
+1           PG4
+2   CLK2    PB4     OC2A    Toggle  (2**8)*1024*2   524288      35.16
+3   ZCLK    PB5     OC1A    PWM     (2**16)*1024    67108864    0.2746
+4           PB6     OC1B    PWM     (2**16)*1024    67108864    0.2746
+5           PB7     OC0A    Toggle  (2**8)*1024*2   524288      35.16
+6           PG3
+7           PG2
+8           PG1
+9           PG0
+10  CLKO    PE7
+--------------------------------------------------------------------------------
+
+
+pre Timer0      Timer1      Timer2
 --------------------------------------------------
-0	0		0		0
-1	1		1		1
-2	8	x8	8	x8	8	x8
-3	64	x8	64	x8	32	x4
-4	256	x4	256	x4	64	x2
-5	1024	x4	1024	x4	128	x2
-6					256	x2
-7					1024	x4
+0   0           0           0
+1   1           1           1
+2   8    x8     8    x8     8    x8
+3   64   x8     64   x8     32   x4
+4   256  x4     256  x4     64   x2
+5   1024 x4     1024 x4     128  x2
+6                           256  x2
+7                           1024 x4
 --------------------------------------------------
-
 */
 
-
 #define PWMTOGGLE	0b01
 #define PWMPOS		0b10
 #define PWMNEG		0b11
@@ -312,7 +316,7 @@ int gpio_clockdiv_set(int pin, unsigned long divider)
 
 	top = ltop - 1;
 
-	PING |= _BV(0);		/* Debug */
+//	PING |= _BV(0);		/* Debug */
 
 	switch (timertype & TIMER) {
 	case TIMER0:
@@ -363,7 +367,7 @@ int gpio_clockdiv_set(int pin, unsigned long divider)
 		break;
 	}
 
-	PING |= _BV(0);		/* Debug */
+//	PING |= _BV(0);		/* Debug */
 
 	gpio_config(pin, OUTPUT_TIMER);