path: root/tvapi/libtv/tvsetting/CBlobDeviceRam.cpp (plain)
blob: c938be7071af28548472e1d77e4c3ed799e40c29

1	#include <stdio.h>
2	#include <string.h>
3
4	#include <android/log.h>
5
6	#include "CTvSettingDeviceRam.h"
7
8	#define LOG_TAG "ssmram"
9	#include "CTvLog.h"
10
11	CTvSettingDeviceRam::CTvSettingDeviceRam()
12	{
13	RAM_DEV_TOTAL_SIZE = 4 * 1024;
14	RAM_DEV_RW_START_OFFSET = 0;
15	RAM_DEV_RW_END_OFFSET = RAM_DEV_TOTAL_SIZE - 1;
16	RAM_DEV_W_PAGE_SIZE = 32;
17	RAM_DEV_R_PAGE_SIZE = 32;
18	RAM_DEV_SLAVE_ADDR = (0xA0 >> 1);
19	RAM_DEV_RW_TEST_OFFSET = -1;
20	device_use_buffer = 0;
21	device_buf = NULL;
22	gFilePathBuf[0] = '\0';
23	}
24
25	CTvSettingDeviceRam::~CTvSettingDeviceRam()
26	{
27	}
28
29	int CTvSettingDeviceRam::GetDeviceTotalSize()
30	{
31	return 0;
32	}
33	int CTvSettingDeviceRam::InitCheck()
34	{
35	int tmp_dev_total_size = 0;
36
37	if (device_buf == NULL) {
38	tmp_dev_total_size = GetDeviceTotalSize();
39	if (tmp_dev_total_size <= 0) {
40	LOGE("%s, Device file size must be more than 0.\n", "TV");
41	return -1;
42	}
43
44	device_buf = new unsigned char[tmp_dev_total_size];
45	if (device_buf == NULL) {
46	return -1;
47	}
48
49	memset((void *) device_buf, CC_INIT_BYTE_VAL, tmp_dev_total_size);
50	}
51
52	return 0;
53	}
54
55	int CTvSettingDeviceRam::OpenDevice()
56	{
57	return 0;
58	}
59
60	int CTvSettingDeviceRam::CloseDevice(int *device_fd)
61	{
62
63
64	return 0;
65	}
66
67	int CTvSettingDeviceRam::CheckDeviceWrAvaliable(int offset, int len)
68	{
69	/*int tmp_dev_start_offset = 0;
70	int tmp_dev_end_offset = 0;
71
72	GetDeviceRWStartOffset(&tmp_dev_start_offset);
73	if (tmp_dev_start_offset < 0) {
74	LOGE("%s, Device file r/w start offset must be greater than or euqal to 0.\n", "TV");
75	return -1;
76	}
77
78	GetDeviceRWEndOffset(&tmp_dev_end_offset);
79	if (tmp_dev_end_offset < 0) {
80	LOGE("%s, Device file r/w end offset must be more than 0.\n", "TV");
81	return -1;
82	}
83
84	if (len <= 0) {
85	LOGE("%s, The w/r length should be more than 0.\n", "TV");
86	return -1;
87	}
88
89	if ((len + tmp_dev_start_offset + offset) > tmp_dev_end_offset + 1) {
90	LOGE("%s, w/r would be overflow!!! len = %d, start offset = %d, offset = %d, end offset = %d.\n", "TV", len, tmp_dev_start_offset, offset, tmp_dev_end_offset);
91	return -1;
92	}
93
94	if (ValidOperateCheck() < 0) {
95	return -1;
96	}*/
97
98	return 0;
99	}
100
101	int CTvSettingDeviceRam::WriteSpecialBytes(int offset, int len, unsigned char data_buf[])
102	{
103	int tmp_dev_w_page_size = 0;
104
105	//GetDeviceWritePageSize(&tmp_dev_w_page_size);
106	//if (len > tmp_dev_w_page_size) {
107	// LOGE("%s, The write length should be less than page size(%d).\n", "TV", tmp_dev_w_page_size);
108	// return -1;
109	// }
110
111	if (CheckDeviceWrAvaliable(offset, len) < 0) {
112	return -1;
113	}
114
115	memcpy((void *) (device_buf + offset), (void *) data_buf, len);
116
117	return 0;
118	}
119
120	int CTvSettingDeviceRam::ReadSpecialBytes(int offset, int len, unsigned char data_buf[])
121	{
122	if (CheckDeviceWrAvaliable(offset, len) < 0) {
123	return -1;
124	}
125
126	memcpy((void *) data_buf, (void *) (device_buf + offset), len);
127
128	return 0;
129	}
130