/*
************************************************************************************************************
*
* function
*
* 函数名称：
*
* 参数列表：
*
* 返回值 ：
*
* 说明 ：
*
*
************************************************************************************************************
*/
static void env_restore(const char *env_name)
{
char *env_src;
env_src = env_read(env_flash_dram_base, env_name);
if(!env_src)
{
__inf("env error: no env need be rewrite\n");
}
else
{
strcpy(mac_addr_store, env_src);
env_write(env_data_dram_base, env_src, env_name);
}
}
/*
************************************************************************************************************
*
* function
*
* 函数名称：
*
* 参数列表：
*
* 返回值 ：
*
* 说明 ：
*
*
************************************************************************************************************
*/
int env_exit(void)
{
char env_name[48];
int env_count;
int i, tmp;
__inf("env exit\n");
if(env_exist == 1)
{
env_count = wBoot_script_parser_subkey_count("env_restore");
if(env_count <= 0)
{
env_restore("mac");
}
else
{
char env_sub_name[32];
i = 0;
do
{
tmp = i;
memset(env_name, 0, 48);
memset(env_sub_name, 0, 32);
strcpy(env_sub_name, "env_sub00");
env_sub_name[7] = '0' + (tmp/10);
tmp %= 10;
env_sub_name[8] = '0' + (tmp);
__inf("env_sub_name=%s\n",env_sub_name);
wBoot_script_parser_fetch("env_restore", env_sub_name, (int *)env_name, 48/4);
env_restore(env_name);
i ++;
}
while(i < env_count);
}
}
else if(env_exist == 2)
{
__inf("env_flash_dram_base = %s\n", env_flash_dram_base);
strcpy(mac_addr_store, env_flash_dram_base);
__inf("mac_addr_store = %s\n", mac_addr_store);
env_write(env_data_dram_base, env_flash_dram_base, "mac");
}
sprite_flash_write(env_flash_flash_start, env_data_dram_size>>9, env_data_dram_base);
return 0;
}
static ssize_t set_fan_speed(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int fan_nr = to_sensor_dev_attr(attr)->index;
int rpm = simple_strtol(buf, NULL, 10);
struct env *p = dev_get_drvdata(dev);
int period;
u8 val;
if (!rpm)
return -EINVAL;
period = FAN_RPM_TO_PERIOD(rpm);
val = period >> 8;
env_write(p, IREG_FAN0 + fan_nr, val);
return count;
}
static ssize_t set_fan_speed(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int fan_nr = to_sensor_dev_attr(attr)->index;
unsigned long rpm;
struct env *p = dev_get_drvdata(dev);
int period;
u8 val;
int err;
err = kstrtoul(buf, 10, &rpm);
if (err)
return err;
if (!rpm)
return -EINVAL;
period = FAN_RPM_TO_PERIOD(rpm);
val = period >> 8;
env_write(p, IREG_FAN0 + fan_nr, val);
return count;
}
int main(int argc, char *argv[])
{
FILE *f = NULL;
int count;
int err = 0;
int len;
int idx;
int i;
char *name;
char *value;
init_private();
f = fopen(BOOTENV_MMCBLK, "rb+");
if (NULL==f) {
println("can not open " BOOTENV_MMCBLK);
err = -1; goto exit;
}
if (env_read(f)) {
err = -1; goto exit;
}
/*
* display all
*/
if (1==argc) {
for (i=1; i<AT_ENV_COUNT; i++) {
if (bootenv[i][0] && !(ENV_HIDDEN & envctl[i].flag)) {
println("%s=%s", envctl[i].name, bootenv[i]);
}
}
err = 0; goto exit;
}
else if (2==argc) {
char *name = argv[1];
/*
* help
*/
if (0==strcmp("-h", name) || 0==strcmp("--help", name)) {
usage(argc, argv);
err = 0; goto exit;
}
/*
* get by name
*/
else if (NULL==strchr(name, '=')) {
value = getvalue_byname(name);
if (NULL==value) {
println("argv[1](%s) bad name", name);
err = -1;
}
else if (0==value[0]) {
/* empty */
err = 0;
}
else {
println("%s", value);
err = 0;
}
goto exit;
}
}
/*
* set by name
*/
for (i=1; i<argc; i++) {
char line[2*AT_ENV_LINE_SIZE] = {0};
len = strlen(argv[i]);
/*
* check input length
*/
if (len > (2*AT_ENV_LINE_SIZE-1)) {
println("argv[%d](%s) too long", i, argv[i]);
err = -1; goto exit;
}
strcpy(line, argv[i]);
/*
* get name
*/
name = line;
value = strchr(line, '=');
if (NULL==value) {
println("argv[%d](%s) should as xxx=xxxx", i, argv[i]);
err = -1; goto exit;
}
*value = 0; value++;
/*
* check name
*/
idx = getidx_byname(name);
if (idx<0) {
println("argv[%d](%s) bad name(%s)", i, argv[i], name);
err = -1; goto exit;
}
/*
* check value
*/
if (0==value[0]) {
bootenv[idx][0] = 0;
}
else if (strlen(value) > (AT_ENV_LINE_SIZE-1)) {
println("argv[%d](%s) value length max %d", i, argv[i], (AT_ENV_LINE_SIZE-1));
err = -1; goto exit;
}
else if (env_check(idx, value) < 0) {
println("argv[%d](%s) value is invalid", i, argv[i]);
err = -1; goto exit;
}
else if (ENV_READONLY & envctl[idx].flag) {
println("argv[%d](%s) is readonly", i, argv[i]);
err = -1; goto exit;
}
else {
strcpy(bootenv[idx], value);
envctl[idx].flag |= ENV_CHANGED;
}
}
if (env_write(f)) {
err = -1; goto exit;
}
exit:
fclose(f);
return err;
}