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Change port value from lpt1alt to lpt3. Other formatting changes. 

git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@229 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Eric Weddington 2003-02-24 21:02:01 +00:00
parent ae9b29da6a
commit d75941adc7
1 changed files with 133 additions and 130 deletions
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263
ppiwin.c
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@ -47,24 +47,23 @@ extern char *progname;
#define DEVICE_LPT1 "lpt1" #define DEVICE_LPT1 "lpt1"
#define DEVICE_LPT2 "lpt2" #define DEVICE_LPT2 "lpt2"
#define DEVICE_LPT1ALT "lpt1alt" #define DEVICE_LPT3 "lpt3"
#define DEVICE_MAX 3 #define DEVICE_MAX 3
typedef struct typedef struct
{ {
const char *name; const char *name;
int base_address; int base_address;
} winpp; } winpp;
static const winpp winports[DEVICE_MAX] = static const winpp winports[DEVICE_MAX] =
{ {
{DEVICE_LPT1, 0x378}, {DEVICE_LPT1, 0x378},
{DEVICE_LPT2, 0x278}, {DEVICE_LPT2, 0x278},
{DEVICE_LPT1ALT, 0x3BC}, {DEVICE_LPT3, 0x3BC},
}; };
@ -85,72 +84,72 @@ static void outb(unsigned char value, unsigned short port);
int ppi_open(char *port) int ppi_open(char *port)
{ {
unsigned char i; unsigned char i;
int fd; int fd;
fd = winnt_pp_open(); fd = winnt_pp_open();
if(fd < 0) if(fd < 0)
{ {
fprintf(stderr, "%s: can't open device \"giveio\"\n\n", progname); fprintf(stderr, "%s: can't open device \"giveio\"\n\n", progname);
return(-1); return(-1);
} }
/* Search the windows port names for a match */ /* Search the windows port names for a match */
fd = -1; fd = -1;
for(i = 0; i < DEVICE_MAX; i++) for(i = 0; i < DEVICE_MAX; i++)
{ {
if(strcmp(winports[i].name, port) == 0) if(strcmp(winports[i].name, port) == 0)
{ {
/* Set the file descriptor with the Windows parallel port base address. */ /* Set the file descriptor with the Windows parallel port base address. */
fd = winports[i].base_address; fd = winports[i].base_address;
break; break;
} }
} }
if(fd < 0) if(fd < 0)
{ {
fprintf(stderr, "%s: can't open device \"%s\"\n\n", progname, port); fprintf(stderr, "%s: can't open device \"%s\"\n\n", progname, port);
return(-1); return(-1);
} }
return(fd); return(fd);
} }
#define DRIVERNAME "\\\\.\\giveio" #define DRIVERNAME "\\\\.\\giveio"
static int winnt_pp_open(void) static int winnt_pp_open(void)
{ {
// Only try to use giveio under Windows NT/2000/XP. // Only try to use giveio under Windows NT/2000/XP.
OSVERSIONINFO ver_info; OSVERSIONINFO ver_info;
memset(&ver_info, 0, sizeof(ver_info)); memset(&ver_info, 0, sizeof(ver_info));
ver_info.dwOSVersionInfoSize = sizeof(ver_info); ver_info.dwOSVersionInfoSize = sizeof(ver_info);
if(!GetVersionEx(&ver_info)) if(!GetVersionEx(&ver_info))
{ {
return(-1); return(-1);
} }
else if(ver_info.dwPlatformId == VER_PLATFORM_WIN32_NT) else if(ver_info.dwPlatformId == VER_PLATFORM_WIN32_NT)
{ {
HANDLE h = CreateFile(DRIVERNAME, HANDLE h = CreateFile(DRIVERNAME,
GENERIC_READ, GENERIC_READ,
0, 0,
NULL, NULL,
OPEN_EXISTING, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL, FILE_ATTRIBUTE_NORMAL,
NULL); NULL);
if(h == INVALID_HANDLE_VALUE) if(h == INVALID_HANDLE_VALUE)
{ {
return(-1); return(-1);
} }
/* Close immediately. The process now has the rights it needs. */ /* Close immediately. The process now has the rights it needs. */
if(h != NULL) if(h != NULL)
{ {
CloseHandle(h); CloseHandle(h);
} }
} }
return(0); return(0);
} }
@ -159,7 +158,7 @@ static int winnt_pp_open(void)
void ppi_close(int fd) void ppi_close(int fd)
{ {
return; return;
} }
@ -169,14 +168,14 @@ void ppi_close(int fd)
*/ */
int ppi_set(int fd, int reg, int bit) int ppi_set(int fd, int reg, int bit)
{ {
unsigned char v; unsigned char v;
unsigned short port; unsigned short port;
port = port_get(fd, reg); port = port_get(fd, reg);
v = inb(port); v = inb(port);
v |= bit; v |= bit;
outb(v, port); outb(v, port);
return 0; return 0;
} }
@ -185,15 +184,15 @@ int ppi_set(int fd, int reg, int bit)
*/ */
int ppi_clr(int fd, int reg, int bit) int ppi_clr(int fd, int reg, int bit)
{ {
unsigned char v; unsigned char v;
unsigned short port; unsigned short port;
port = port_get(fd, reg); port = port_get(fd, reg);
v = inb(port); v = inb(port);
v &= ~bit; v &= ~bit;
outb(v, port); outb(v, port);
return 0; return 0;
} }
@ -202,12 +201,12 @@ int ppi_clr(int fd, int reg, int bit)
*/ */
int ppi_get(int fd, int reg, int bit) int ppi_get(int fd, int reg, int bit)
{ {
unsigned char v; unsigned char v;
v = inb(port_get(fd, reg)); v = inb(port_get(fd, reg));
v &= bit; v &= bit;
return(v); return(v);
} }
@ -218,16 +217,16 @@ int ppi_get(int fd, int reg, int bit)
*/ */
int ppi_toggle(int fd, int reg, int bit) int ppi_toggle(int fd, int reg, int bit)
{ {
unsigned char v; unsigned char v;
unsigned short port; unsigned short port;
port = port_get(fd, reg);
v = inb(port); port = port_get(fd, reg);
v ^= bit;
outb(v, port);
return 0; v = inb(port);
v ^= bit;
outb(v, port);
return 0;
} }
@ -236,11 +235,11 @@ int ppi_toggle(int fd, int reg, int bit)
*/ */
int ppi_getall(int fd, int reg) int ppi_getall(int fd, int reg)
{ {
unsigned char v; unsigned char v;
v = inb(port_get(fd, reg)); v = inb(port_get(fd, reg));
return((int)v); return((int)v);
} }
@ -251,8 +250,8 @@ int ppi_getall(int fd, int reg)
*/ */
int ppi_setall(int fd, int reg, int val) int ppi_setall(int fd, int reg, int val)
{ {
outb((unsigned char)val, port_get(fd, reg)); outb((unsigned char)val, port_get(fd, reg));
return 0; return 0;
} }
@ -261,35 +260,35 @@ int ppi_setall(int fd, int reg, int val)
/* Calculate port address to access. */ /* Calculate port address to access. */
static unsigned short port_get(int fd, int reg) static unsigned short port_get(int fd, int reg)
{ {
return((unsigned short)(fd + reg2offset(reg))); return((unsigned short)(fd + reg2offset(reg)));
} }
/* Convert register enum to offset of base address. */ /* Convert register enum to offset of base address. */
static unsigned char reg2offset(int reg) static unsigned char reg2offset(int reg)
{ {
unsigned char offset = 0; unsigned char offset = 0;
switch(reg)
{
case PPIDATA:
{
offset = 0;
break;
}
case PPISTATUS:
{
offset = 1;
break;
}
case PPICTRL:
{
offset = 2;
break;
}
}
return(offset); switch(reg)
{
case PPIDATA:
{
offset = 0;
break;
}
case PPISTATUS:
{
offset = 1;
break;
}
case PPICTRL:
{
offset = 2;
break;
}
}
return(offset);
} }
@ -297,10 +296,12 @@ static unsigned char reg2offset(int reg)
static unsigned char inb(unsigned short port) static unsigned char inb(unsigned short port)
{ {
unsigned char t; unsigned char t;
asm volatile ("in %1, %0"
: "=a" (t) asm volatile ("in %1, %0"
: "d" (port)); : "=a" (t)
return t; : "d" (port));
return t;
} }
@ -308,8 +309,10 @@ static unsigned char inb(unsigned short port)
static void outb(unsigned char value, unsigned short port) static void outb(unsigned char value, unsigned short port)
{ {
asm volatile ("out %1, %0" asm volatile ("out %1, %0"
: :
: "d" (port), "a" (value) ); : "d" (port), "a" (value) );
return;
} }