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[Open2x-svn-logs] SF.net SVN: open2x:[366] trunk/utils
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From: <sen...@us...> - 2009-02-28 22:15:56
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Revision: 366
http://open2x.svn.sourceforge.net/open2x/?rev=366&view=rev
Author: senquack
Date: 2009-02-28 22:15:52 +0000 (Sat, 28 Feb 2009)
Log Message:
-----------
Added source code to buttonquery utility
Added Paths:
-----------
trunk/utils/buttonquery/
trunk/utils/buttonquery/Makefile
trunk/utils/buttonquery/buttonquery.c
Added: trunk/utils/buttonquery/Makefile
===================================================================
--- trunk/utils/buttonquery/Makefile (rev 0)
+++ trunk/utils/buttonquery/Makefile 2009-02-28 22:15:52 UTC (rev 366)
@@ -0,0 +1,39 @@
+CFLAGS=-c -O2 -g -Wall -DPLATFORM_GP2X -mcpu=arm920t -mtune=arm920 -ffast-math -W -Wall -pthread -msoft-float
+
+#LDFLAGS=-L/opt/open2x/gcc-4.1.1-glibc-2.3.6/lib -Wl,-rpath,/opt/open2x/gcc-4.1.1-glibc-2.3.6/lib -static -lgcc -lm -lc -ldl -larmmem -msoft-float -O2
+LDFLAGS=-L/opt/open2x/gcc-4.1.1-glibc-2.3.6/lib -Wl,-rpath,/opt/open2x/gcc-4.1.1-glibc-2.3.6/lib -lgcc -lm -lc -ldl -larmmem -msoft-float -O2
+
+SOURCES=buttonquery.c
+
+
+OBJECTS=$(SOURCES:.c=.o)
+EXECUTABLEGP=buttonquery
+
+CC=arm-open2x-linux-gcc
+STRIP=arm-open2x-linux-strip
+CFLAGS+=-I/opt/open2x/gcc-4.1.1-glibc-2.3.6/include/ \
+ -I/opt/open2x/gcc-4.1.1-glibc-2.3.6/arm-open2x-linux/include/ \
+ -D_REENTRANT -msoft-float -DPLATFORM_GP2X
+
+all:
+ make gpversion
+
+gpversion: $(SOURCES) $(EXECUTABLEGP)
+
+
+$(EXECUTABLEGP): $(OBJECTS)
+# $(CC) $(LDFLAGS) -static $(OBJECTS) -o $@ $(GPLDFLAGS)
+ $(CC) $(LDFLAGS) $(OBJECTS) -o $@ $(GPLDFLAGS)
+ $(STRIP) $@
+
+
+
+.c.o:
+ $(CC) $(CFLAGS) $< -o $@
+
+cleanobjs:
+ rm -f $(OBJECTS)
+
+clean:
+ -rm -f buttonquery *~ *.o *.bak
+
Added: trunk/utils/buttonquery/buttonquery.c
===================================================================
--- trunk/utils/buttonquery/buttonquery.c (rev 0)
+++ trunk/utils/buttonquery/buttonquery.c 2009-02-28 22:15:52 UTC (rev 366)
@@ -0,0 +1,314 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <linux/fb.h>
+#include <unistd.h>
+#include <stropts.h>
+#include <errno.h>
+
+extern int errno;
+unsigned long *memregs32;
+unsigned short *memregs16;
+
+int memfd;
+
+#define GPIOAPINLVL 0x1180
+#define GPIOBPINLVL 0x1182
+#define GPIOCPINLVL 0x1184
+#define GPIODPINLVL 0x1186
+#define GPIOEPINLVL 0x1188
+#define GPIOFPINLVL 0x118A
+#define GPIOGPINLVL 0x118C
+#define GPIOHPINLVL 0x118E
+#define GPIOIPINLVL 0x1190
+#define GPIOJPINLVL 0x1192
+#define GPIOKPINLVL 0x1194
+#define GPIOLPINLVL 0x1196
+#define GPIOMPINLVL 0x1198
+#define GPIONPINLVL 0x119A
+#define GPIOOPINLVL 0x119C
+
+#define GPIOAOUT 0x1060
+#define GPIOBOUT 0x1062
+#define GPIOCOUT 0x1064
+#define GPIODOUT 0x1066
+#define GPIOEOUT 0x1068
+#define GPIOFOUT 0x106A
+#define GPIOGOUT 0x106C
+#define GPIOHOUT 0x106E
+#define GPIOIOUT 0x1070
+#define GPIOJOUT 0x1072
+#define GPIOKOUT 0x1074
+#define GPIOLOUT 0x1076
+#define GPIOMOUT 0x1078
+#define GPIONOUT 0x107A
+#define GPIOOOUT 0x107C
+
+#define GP2X_BUTTON_UP (0)
+#define GP2X_BUTTON_DOWN (4)
+#define GP2X_BUTTON_LEFT (2)
+#define GP2X_BUTTON_RIGHT (6)
+#define GP2X_BUTTON_UPLEFT (1)
+#define GP2X_BUTTON_UPRIGHT (7)
+#define GP2X_BUTTON_DOWNLEFT (3)
+#define GP2X_BUTTON_DOWNRIGHT (5)
+#define GP2X_BUTTON_CLICK (18)
+#define GP2X_BUTTON_A (12)
+#define GP2X_BUTTON_B (13)
+#define GP2X_BUTTON_X (15)
+#define GP2X_BUTTON_Y (14)
+#define GP2X_BUTTON_L (11)
+#define GP2X_BUTTON_R (10)
+#define GP2X_BUTTON_START (8)
+#define GP2X_BUTTON_SELECT (9)
+#define GP2X_BUTTON_VOLUP (16)
+#define GP2X_BUTTON_VOLDOWN (17)
+
+
+void *trymmap (void *start, size_t length, int prot, int flags, int fd, off_t offset)
+{
+ char *p;
+ int aa;
+
+ //printf ("mmap(%X, %X, %X, %X, %X, %X) ... ", (unsigned int)start, length, prot, flags, fd, (unsigned int)offset);
+ p = mmap (start, length, prot, flags, fd, offset);
+ if (p == (char *)0xFFFFFFFF)
+ {
+ aa = errno;
+ printf ("failed. errno = %d\n", aa);
+ }
+ else
+ {
+ //printf ("OK! (%X)\n", (unsigned int)p);
+ }
+
+ return p;
+}
+
+unsigned char initphys (void)
+{
+ memfd = open("/dev/mem", O_RDWR);
+ if (memfd == -1)
+ {
+ printf ("Open failed\n");
+ return 0;
+ }
+
+ //printf ("/dev/mem opened successfully - fd = %d\n", memfd);
+
+ memregs32 = trymmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, memfd, 0xc0000000);
+ if (memregs32 == (unsigned long *)0xFFFFFFFF) return 0;
+
+ memregs16 = (unsigned short *)memregs32;
+
+ return 1;
+}
+
+void closephys (void)
+{
+ close (memfd);
+}
+
+// return status of a specific GP2X button, 1 if pressed, 0 if not
+int getstatus (int number)
+{
+ unsigned long mask = 0;
+ switch (number) {
+ case GP2X_BUTTON_UP:
+ mask = 1;
+ if (~(memregs16[GPIOMPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_DOWN:
+ mask = 1 << 4;
+ if (~(memregs16[GPIOMPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_LEFT:
+ mask = 1 << 2;
+ if (~(memregs16[GPIOMPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_RIGHT:
+ mask = 1 << 6;
+ if (~(memregs16[GPIOMPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_UPLEFT:
+ mask = 1 << 1;
+ if (~(memregs16[GPIOMPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_UPRIGHT:
+ mask = 1 << 7;
+ if (~(memregs16[GPIOMPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_DOWNLEFT:
+ mask = 1 << 3;
+ if (~(memregs16[GPIOMPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_DOWNRIGHT:
+ mask = 1 << 5;
+ if (~(memregs16[GPIOMPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_VOLDOWN:
+ mask = 1 << 6;
+ if (~(memregs16[GPIODPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_VOLUP:
+ mask = 1 << 7;
+ if (~(memregs16[GPIODPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_CLICK:
+ mask = 1 << 11;
+ if (~(memregs16[GPIODPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_L:
+ mask = 1 << 10;
+ if (~(memregs16[GPIOCPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_R:
+ mask = 1 << 11;
+ if (~(memregs16[GPIOCPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_A:
+ mask = 1 << 12;
+ if (~(memregs16[GPIOCPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_B:
+ mask = 1 << 13;
+ if (~(memregs16[GPIOCPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_X:
+ mask = 1 << 14;
+ if (~(memregs16[GPIOCPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_Y:
+ mask = 1 << 15;
+ if (~(memregs16[GPIOCPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_SELECT:
+ mask = 1 << 9;
+ if (~(memregs16[GPIOCPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ case GP2X_BUTTON_START:
+ mask = 1 << 8;
+ if (~(memregs16[GPIOCPINLVL >> 1]) & mask)
+ return 1;
+ break;
+ default:
+ // shouldn't happen
+ printf("error in getstatus()\n");
+ return 0;
+ break;
+ }
+
+ return 0;
+}
+
+
+int main(int argc, char *argv[])
+{
+ int i;
+
+
+ if (!initphys()) {
+ printf("Error mapping GPIO registers!\n");
+ printf("Exiting..\n");
+ return 100;
+ }
+
+ if (argc > 1) {
+ // We have been passed command-line parameters
+ switch (argv[1][1]) {
+ case 'h':
+ // display help:
+ printf("GP2X button input utility written by Senor Quack v1.0\n\n");
+ printf("OPTIONS:\n");
+ printf("-h\t\t\t:\tDisplay help and version info\n\n");
+ printf("-sBUTTON_NUMBER\t\t:\tGet current status of a specific button.\n");
+ printf("\t\t\t\t(Returns immediately, return status is 0 or 1, 1 if button is pressed.)\n");
+ printf("\t\t\t\tBUTTON_NUMBER is one of the following:\n\n");
+ printf("\tGP2X_BUTTON_UP\t\t\t0\t\tGP2X_BUTTON_A\t\t12\n");
+ printf("\tGP2X_BUTTON_DOWN\t\t4\t\tGP2X_BUTTON_B\t\t13\n");
+ printf("\tGP2X_BUTTON_LEFT\t\t2\t\tGP2X_BUTTON_X\t\t15\n");
+ printf("\tGP2X_BUTTON_RIGHT\t\t6\t\tGP2X_BUTTON_Y\t\t14\n");
+ printf("\tGP2X_BUTTON_UPLEFT\t\t1\t\tGP2X_BUTTON_L\t\t11\n");
+ printf("\tGP2X_BUTTON_UPRIGHT\t\t7\t\tGP2X_BUTTON_R\t\t10\n");
+ printf("\tGP2X_BUTTON_DOWNLEFT\t\t3\t\tGP2X_BUTTON_START\t8\n");
+ printf("\tGP2X_BUTTON_DOWNRIGHT\t\t5\t\tGP2X_BUTTON_SELECT\t9\n");
+ printf("\tGP2X_BUTTON_CLICK\t\t18\t\tGP2X_BUTTON_VOLUP\t16\n");
+ printf("\t\t\t\t\t\t\tGP2X_BUTTON_VOLDOWN\t17\n\n");
+ printf("* If no option is passed, this program will wait until a button is pressed.\n\n");
+ printf("* The return value upon exiting is one of the values listed above, corresponding\n");
+ printf("\tto the button pressed before exiting.\n\n");
+ printf("* Utility returns 100 on error.\n");
+ break;
+ case 's':
+ // caller wants status of specific button, return immediately regardless of whether any buttons are pressed.
+ if (argv[1][2] == '\0') {
+ //caller didn't supply required argument to -s
+ printf("Error: -s requires a parameter, see help by passing -h\n");
+ } else {
+ int button_wanted = atoi(&argv[1][2]);
+ if ((button_wanted < 0) || (button_wanted > 18)) {
+ //caller supplied button number that is out of range
+ printf("Error: button value out of range, see help by passing -h\n");
+ } else {
+ //OK, get down to returning status of specified button
+
+ if (getstatus(button_wanted)) {
+ closephys();
+ return 1;
+ } else {
+ closephys();
+ return 0;
+ }
+ }
+ }
+ break;
+ default:
+ // invalid parameter
+ printf("Error: invalid parameter passed, see help by passing -h\n");
+ closephys();
+ return 100;
+ } // switch
+ } // if (argc > 1)
+ else {
+ // we weren't passed a command line parameter, so we should block until a button is pressed
+ int can_exit = 0;
+ int button_pressed;
+ while (!can_exit) {
+ for (i = 0; i <= 18; i++) {
+ if (getstatus(i)) {
+ button_pressed = i;
+ can_exit = 1;
+ break;
+ }
+ }
+ sleep(.005); //sleep 5ms
+ }
+
+ closephys();
+ return button_pressed;
+ }
+
+ closephys();
+
+ return 0;
+}
+
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