Fehlermeldung angepasst. SyFs-Datei /firmware/image write-only gemacht.

sfsattrib.c

@@ -16,6 +16,16 @@
 
 /////////////////////////////////////////////////////////////////////////////
 
+#ifndef __BIN_ATTR_WO
+#define __BIN_ATTR_WO(_name, _size) {					\
+	.attr	= { .name = __stringify(_name), .mode = S_IWUSR },	\
+	.write	= _name##_write,						\
+	.size	= _size,						\
+}
+#endif	//	__BIN_ATTR_WO
+
+/////////////////////////////////////////////////////////////////////////////
+
 int g_hw = -1, g_sw = -1;
 TIVA_ADC g_tadc;
 unsigned long long g_nUpTime = 0;
@@ -301,7 +311,7 @@ static ssize_t period_store(struct kobject *kobj, struct kobj_attribute *attr, c
 }
 
 /////////////////////////////////////////////////////////////////////////////
-
+#if 0
 static ssize_t image_read(struct file *pf, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t len)
 {
 	return -EACCES;
@@ -317,7 +327,10 @@ static ssize_t image_read(struct file *pf, struct kobject *kobj, struct bin_attr
 	KALERT("%s buf: %p, off: %lld, len: %zu\n", __FUNCTION__, buf, off, len);
 	return len;*/
 }
+#endif
+
 
+// only works with image-version 0x144 or greater!
 static ssize_t image_write(struct file *pf, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t len)
 {
 	int nRet;
@@ -696,6 +709,8 @@ static ssize_t ctrl_store(struct kobject *kobj, struct kobj_attribute *attr, con
 		{
 			SfAttLockFirmware(false);
 			KALERT("%s: I2C-Test error: %d!\n", __FUNCTION__, ret);
+			if(ret == -ENOTSUPP)
+				ret = -48; // ENOTSUP in userland
 			return ret;
 		}
 		else
@@ -822,7 +837,7 @@ struct bin_attribute g_tivaAdcBinAtt	= __BIN_ATTR_RO(AdcBin, sizeof(TIVA_ADC));
 // tiva firmware
 
 struct kobj_attribute g_tivaVersionAtt	= __ATTR_RO(version);
-struct bin_attribute g_tivaFwImageAtt	= __BIN_ATTR_RW(image, 0);
+struct bin_attribute g_tivaFwImageAtt	= __BIN_ATTR_WO(image, 0);
 
 /////////////////////////////////////////////////////////////////////////////
 // tiva memory

sfsattrib.h

@@ -22,15 +22,6 @@ extern TIVA_DCAP g_dcaps;
 extern TIVA_MEMORY_MAP g_tiMM[];
 extern int g_backlight;
 
-/*
-typedef enum
-{
-	MMI_Flash,
-	MMI_SRam,
-	MMI_Peripherals,
-	MMI_Count
-}MemoryMapIndex;*/
-
 extern struct kobj_attribute g_tivaDevIdAtt;
 extern struct kobj_attribute g_tivaUptimeAtt;