led.sh

pxa270 Linux开发板上用的读取、修改PXA270寄存器的程序

#!/bin/sh
GPIO_TOOL=/tmp/gpiotool

# Led ON and OFF
Led_on_off()
{
	value=$GPIO_TOOL --read 0x40E00024
	$GPIO_TOOL --write 0x40E00024 (value | (1<<3)) \
			--msleep 200 
	value=$GPIO_TOOL --read x40E00018
	$GPIO_TOOL --write x40E00018  (value | (1<<3)) \
			--msleep 200 		#D4

	value=$GPIO_TOOL --read 0x40E00024
	$GPIO_TOOL --write 0x40E00024  (value | (1<<4)) \
			--msleep 200 
	value=$GPIO_TOOL --read 0x40E00018
	$GPIO_TOOL --write 0x40E00018  (value | (1<<4)) \
			--msleep 200 		#D5
		
	value=$GPIO_TOOL --read 0x40E0002C
	$GPIO_TOOL --write 0x40E0002C (value | (1<<25)) \
			--msleep 200 
	value=$GPIO_TOOL --read 0x40E00020
	$GPIO_TOOL --write  0x40E00020 ( value | (1<<25)) \
			--msleep 200		#D1

	value=$GPIO_TOOL --read 0x40E00124	
	$GPIO_TOOL --write 0x40E00124 (value | (1<<11)) \
			--msleep 200
	value=$GPIO_TOOL --read 0x40E00118 
	$GPIO_TOOL --write 0x40E00118  (value | (1<<11)) \
			--msleep 200 		#D2

	value=$GPIO_TOOL --read 0x40E00124 	
	$GPIO_TOOL --write 0x40E00124 (value | (1<<12)) \
			--msleep 200 
	value=$GPIO_TOOL --read  0x40E00118
	$GPIO_TOOL --write 0x40E00118 (value | (1<<12)) \
			--msleep 200 		#D3

	value=$GPIO_TOOL --read 0x40E00124	
	$GPIO_TOOL --write 0x40E00124 (value |(1<<0)) \
			--msleep 200 
	value=$GPIO_TOOL --read 0x40E00118
	$GPIO_TOOL --write 0x40E00118 (value |(1<<0)) \
			--msleep 200		#D4			
}



# D4, D5 in core board
value=$GPIO_TOOL --read 0x40E00054	#set GAFR0_L
echo "GAFR0_L value = $value"
$GPIO_TOOL --write 0x40E00054 ($value & (~((3<<6) | (3<<8))))

value=$GPIO_TOOL --read 0x0E0000C	#set GPDR0
echo "GPDR0 value = %value"
$GPIO_TOOL --write 0x0E0000C ($value | ((1<<3) | (1<<4)))

$GPIO_TOOL --write 0x0E0000C ((1<<3) | (1<<4))	#set GPSR0

# D1, D2, D3, D4 in device board
value=$GPIO_TOOL --read 0x40E00068	#set GAFR2_U
echo "GAFR2_U value = $value"
$GPIO_TOOL --write 0x40E00068 ($value &(~(3<<18)))

value=$GPIO_TOOL --read 0x40E00014	#set GPDR2
echo "GPDR2 value = $value\n"
$GPIO_TOOL --write 0x40E00014 ($value | (1<<25))

value=$GPIO_TOOL --read 0x40E00020	#set GPSR2
echo "GASR2 value = $value\n"
$GPIO_TOOL --write 0x40E00020 ($value | (1<<25))

value=$GPIO_TOOL --read 0x40E0006C	#set GAFR3_L
echo "GAFR3_L value = $value\n"
$GPIO_TOOL --write 0x40E0006C ($value & (~ ((3<<0) | (3<<22) | (3<<24))))

value=$GPIO_TOOL --read 0x40E0010C	#set GPDR3
echo "GPDR3 value = $value"
$GPIO_TOOL --write 0x40E0010C ($value | ((1<<0) | (1<<11) | (1<<12)))

$GPIO_TOOL --write 0x40E0010C ((1<<0) | (1<<11) | (1<<12)) #set GPSR3

count=0
while  [ $count -lt 5 ]
do
  Led_on_off
  count=`expr $count + 1`
done