NVProperty generic key value store using the MCU flash area.
Dependents: Turtle_RadioShuttle
Diff: NVProperty_SRAM.cpp
- Revision:
- 1:3a8297ad8cd9
- Child:
- 3:968b84113ef3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/NVProperty_SRAM.cpp Thu Jan 24 14:28:11 2019 +0100
@@ -0,0 +1,222 @@
+/*
+ * This is an unpublished work copyright
+ * (c) 2019 Helmut Tschemernjak
+ * 30826 Garbsen (Hannover) Germany
+ *
+ *
+ * Use is granted to registered RadioShuttle licensees only.
+ * Licensees must own a valid serial number and product code.
+ * Details see: www.radioshuttle.de
+ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <NVPropertyProviderInterface.h>
+#include <NVProperty.h>
+#include <NVProperty_SRAM.h>
+
+NVProperty_SRAM::NVProperty_SRAM()
+{
+
+}
+
+NVProperty_SRAM::~NVProperty_SRAM()
+{
+ std::map<int, PropertyEntry>::iterator re;
+ for(re = _props.begin(); re != _props.end(); re++) {
+ if (re->second.type == NVProperty::T_STR)
+ free(re->second.str);
+ if (re->second.type == NVProperty::T_BLOB)
+ delete[] (char *)re->second.data;
+ }
+
+ _props.clear();
+}
+
+int
+NVProperty_SRAM::GetProperty(int key)
+{
+ std::map<int, PropertyEntry>::iterator it = _props.find(key);
+ if(it != _props.end()) {
+ switch (it->second.type) {
+ case NVProperty::T_STR:
+ return NVProperty::NVP_ENOENT;
+ break;
+ case NVProperty::T_BLOB:
+ return NVProperty::NVP_ENOENT;
+ break;
+ default:
+ return it->second.val32;
+ }
+ }
+ return NVProperty::NVP_ENOENT;
+};
+
+
+int64_t
+NVProperty_SRAM::GetProperty64(int key)
+{
+ std::map<int, PropertyEntry>::iterator it = _props.find(key);
+ if(it != _props.end()) {
+ switch (it->second.type) {
+ case NVProperty::T_STR:
+ return NVProperty::NVP_ENOENT;
+ break;
+ case NVProperty::T_BLOB:
+ return NVProperty::NVP_ENOENT;
+ break;
+ default:
+ return it->second.val64;
+ }
+ }
+ return NVProperty::NVP_ENOENT;
+}
+
+const char *
+NVProperty_SRAM::GetPropertyStr(int key)
+{
+ std::map<int, PropertyEntry>::iterator it = _props.find(key);
+ if(it != _props.end()) {
+ if (it->second.type == NVProperty::T_STR) {
+ return (const char *)it->second.str;
+ }
+ }
+ return NULL;
+}
+
+int
+
+NVProperty_SRAM::GetPropertyBlob(int key, const void *blob, int *size)
+{
+ if (!blob || *size <= 0)
+ return NVProperty::NVP_INVALD_PARM;
+
+ std::map<int, PropertyEntry>::iterator it = _props.find(key);
+ if(it != _props.end()) {
+ switch (it->second.type) {
+ case NVProperty::T_BLOB:
+ *size = std::min(*size, (int)it->second.size);
+ if (blob)
+ memcpy((void *)blob, it->second.data, *size);
+ return *size;
+ break;
+ default:
+ break;
+ }
+ }
+ return NVProperty::NVP_ENOENT;
+}
+
+
+int
+NVProperty_SRAM::SetProperty(int key, int64_t value, int type)
+{
+ std::map<int, PropertyEntry>::iterator it = _props.find(key);
+ if(it != _props.end()) {
+ it->second.val32 = value;
+ return 0;
+ }
+
+ struct PropertyEntry r;
+ memset(&r, 0, sizeof(r));
+ r.key = key;
+ r.type = type;
+ if (type <= NVProperty::T_32BIT) {
+ r.size = sizeof(r.val32);
+ r.val32 = value;
+ } else if (type == NVProperty::T_64BIT) {
+ r.size = sizeof(r.val64);
+ r.val64 = value;
+ }
+
+ _props.insert(std::pair<int,PropertyEntry> (key, r));
+
+ return NVProperty::NVP_OK;
+}
+
+int
+NVProperty_SRAM::SetPropertyStr(int key, const char *str, int type)
+{
+ std::map<int, PropertyEntry>::iterator it = _props.find(key);
+ if(it != _props.end()) {
+ if (it->second.str)
+ free(it->second.str);
+ it->second.str = strdup(str);
+ it->second.size = strlen(str)+1;
+ return NVProperty::NVP_OK;
+ }
+
+ struct PropertyEntry r;
+ memset(&r, 0, sizeof(r));
+ r.key = key;
+ r.type = type;
+ r.size = strlen(str)+1;
+ r.str = strdup(str);
+
+ _props.insert(std::pair<int,PropertyEntry> (key, r));
+
+ return NVProperty::NVP_OK;
+}
+
+int
+NVProperty_SRAM::SetPropertyBlob(int key, const void *blob, int size, int type)
+{
+ std::map<int, PropertyEntry>::iterator it = _props.find(key);
+ if(it != _props.end()) {
+ if (it->second.data)
+ delete[] (char *)it->second.data;
+ it->second.size = size;
+ it->second.data = new char[size];
+ memcpy(it->second.data, blob, size);
+
+ return NVProperty::NVP_OK;
+ }
+
+ struct PropertyEntry r;
+ memset(&r, 0, sizeof(r));
+ r.key = key;
+ r.type = type;
+ r.size = size;
+ r.data = new char[size];
+ memcpy(r.data, blob, size);
+ _props.insert(std::pair<int,PropertyEntry> (key, r));
+
+ return NVProperty::NVP_OK;
+}
+
+int
+NVProperty_SRAM::EraseProperty(int key)
+{
+ std::map<int, PropertyEntry>::iterator it = _props.find(key);
+ if(it == _props.end()) {
+ return NVProperty::NVP_ENOENT;
+ }
+ if (it->second.type == NVProperty::T_STR)
+ free((char *)it->second.data);
+ if (it->second.type == NVProperty::T_BLOB)
+ delete[] (char *)it->second.data;
+
+ _props.erase(it->first);
+ return NVProperty::NVP_OK;
+}
+
+int
+NVProperty_SRAM::ReorgProperties(void)
+{
+ return NVProperty::NVP_OK;
+}
+
+int
+NVProperty_SRAM::OpenPropertyStore(bool forWrite)
+{
+ UNUSED(forWrite);
+ return NVProperty::NVP_OK;
+}
+
+int
+NVProperty_SRAM::ClosePropertyStore(bool flush)
+{
+ UNUSED(flush);
+ return NVProperty::NVP_OK;
+}
Helmut Tschemernjak