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/* If you are going to abuse the preprocessor, why not ABUSE the preprocessor?
I stuck this header in a separate file so I don't have to look at it */
// FIXME Need locking or atomic ops
#define show_set_mbit(dname,value,bit) \
static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
{ \
struct usb_interface *intf = to_usb_interface(dev); \
struct usb_##dname *t = usb_get_intfdata(intf); \
int temp = (1 && (t->value & (1 << bit))); \
return sprintf(buf, "%d\n", temp); \
} \
static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
{ \
struct usb_interface *intf = to_usb_interface(dev); \
struct usb_##dname *t = usb_get_intfdata(intf); \
int temp = simple_strtoul(buf, NULL, 10); \
if(temp > 0) { long b = 1 << bit; t->value |= b; } \
else { long b = ~(1 << bit); t->value &= b ; \
return count; \
} \
static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value);
#define show_set_ebit(dname,enumname,value,bit) \
static ssize_t show_##bit(struct device *dev, struct device_attribute *attr, char *buf) \
{ \
struct usb_interface *intf = to_usb_interface(dev); \
struct usb_##dname *t = usb_get_intfdata(intf); \
enum enumname l = bit; \
int temp = t->value & (1 << l); \
return sprintf(buf, "%d\n", temp); \
} \
static ssize_t set_##bit(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
{ \
struct usb_interface *intf = to_usb_interface(dev); \
struct usb_##dname *t = usb_get_intfdata(intf); \
int temp = simple_strtoul(buf, NULL, 10); \
enum enumname l = bit;\
long b = 1 << l; \
if(temp > 0) { t->value |= b; } \
else { t->value &= ~b ; \
return count; \
} \
static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value);
// FIXME FOR CORRECTLY SETTING HEX from a string
#define show_set_mcmd(dname,value) \
static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
{ \
struct usb_interface *intf = to_usb_interface(dev); \
struct usb_##dname *t = usb_get_intfdata(intf); \
int count = 0;\
int i; \
for (i = 0,i<sizeof(dname); i++) count += snprintf(buf, "%02x",t->dname[i]); \
return(count);\
} \
static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
{ \
struct usb_interface *intf = to_usb_interface(dev); \
struct usb_##dname *t = usb_get_intfdata(intf); \
int temp = simple_strtoul(buf, NULL, 10); \
t->value = temp; \
return count; \
} \
static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value);
#define show_set_mint(dname,value) \
static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
{ \
struct usb_interface *intf = to_usb_interface(dev); \
struct usb_##dname *t = usb_get_intfdata(intf); \
return sprintf(buf, "%d\n", t->value); \
} \
static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
{ \
struct usb_interface *intf = to_usb_interface(dev); \
struct usb_##dname *t = usb_get_intfdata(intf); \
int temp = simple_strtoul(buf, NULL, 10); \
t->value = temp; \
return count; \
} \
static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value);
#define show_set_mchar(dname,value) \
static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
{ \
struct usb_interface *intf = to_usb_interface(dev); \
struct usb_##dname *t = usb_get_intfdata(intf); \
return sprintf(buf, "%c\n", t->value); \
} \
static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
{ \
struct usb_interface *intf = to_usb_interface(dev); \
struct usb_##dname *t = usb_get_intfdata(intf); \
int temp = simple_strtoul(buf, NULL, 10); \
t->value = temp; \
return count; \
} \
static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value);
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