W801_SDK_dev_env/app/app_lib/app_utils.c

111 lines
2.2 KiB
C

#include "app_utils.h"
#include <math.h>
#include "utils.h"
#include "wm_crypto_hard.h"
static uint32_t millis_cnt = 0;
uint32_t millis(void)
{
return millis_cnt;
}
void millis_run_cb(void *arg)
{
millis_cnt++;
}
void us_delay(uint32_t us)
{
struct tls_timer_cfg timer_config =
{
.is_repeat = false,
.unit = TLS_TIMER_UNIT_US,
.timeout = 0xFFFFFFFF,
};
uint8_t timer_id = tls_timer_create(&timer_config);
if(WM_TIMER_ID_INVALID == timer_id) return;
tls_timer_start(timer_id);
// Perform a blocking delay
while(tls_timer_read(timer_id) < us);
tls_timer_destroy(timer_id);
}
void ms_delay(uint32_t ms)
{
struct tls_timer_cfg timer_config =
{
.is_repeat = false,
.unit = TLS_TIMER_UNIT_MS,
.timeout = 0xFFFFFFFF,
};
uint8_t timer_id = tls_timer_create(&timer_config);
if(WM_TIMER_ID_INVALID == timer_id) return;
tls_timer_start(timer_id);
// Perform a blocking delay
while(tls_timer_read(timer_id) < ms);
tls_timer_destroy(timer_id);
}
uint32_t random_gen_6_digit(void)
{
unsigned char random_buf[6] = {0};
uint32_t output_num = 0;
tls_crypto_random_init(0x19031998, CRYPTO_RNG_SWITCH_16);
tls_crypto_random_bytes(random_buf, sizeof random_buf);
tls_crypto_random_stop();
for(uint8_t i = 0; i < sizeof random_buf; i++)
{
// Ensures the last digit is not 0
if(i == (sizeof random_buf) - 1 && random_buf[i] % 10 == 0)random_buf[i]++;
output_num += (random_buf[i] % 10) * pow(10, i);
}
return output_num;
}
void time_date_to_tm(const char *time_date, struct tm *time)
{
if(!time_date) return;
/* Months are on three letters :
Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
*/
const char *MONTHS[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
const unsigned long int MONTHS_CNT = sizeof(MONTHS)/sizeof(*MONTHS);
char month[4];
time->tm_mon = 0;
sscanf(time_date, "%d:%d:%d %s %d %d",
&time->tm_hour,
&time->tm_min,
&time->tm_sec,
month,
&time->tm_mday,
&time->tm_year);
for(unsigned long int i = 0; i < MONTHS_CNT; i++)
{
if(strcasecmp(MONTHS[i], month) == 0)
{
time->tm_mon = i;
break;
}
}
// Adjust year value
time->tm_year -= 1900;
}