static void compute_rseed()
{
int16_t seed = 0;
seed = (get_ambient_light() + measure_voltage()) * get_ambient_light();
srand(seed);
message_out(rand(), rand(), rand());
get_message();
seed += message_rx[0] + message_rx[1] * message_rx[2] + (message_rx[3] << 2);
srand(seed);
message_out(rand(), rand(), rand());
get_message();
seed += message_rx[0] - message_rx[1] * message_rx[2] + (message_rx[3] << 2);
srand(seed);
}
static inline int measure_capacity(void)
{
int val, tmp;
tmp = measure_voltage();
if((tmp>4200000) || (get_charge_status() == 0x1))
{
printf("%s: get from PMU and adc is 100.\n", __FUNCTION__);
return 100;
}
val = (tmp - 3600000) / (600000 / 100);
printf("%s: get from adc is %d.\n", __FUNCTION__, val);
return val;
}
void measurements_task(void)
{
if (G_voltage_Measurement_s >= VOLTAGE_MEASUREMENT_PERIOD)
{
G_voltage_Measurement_s = 0;
if(G_voltage_measurement_Buff.index >= VOLTAGE_MEASUREMENT_BUFF_SIZE)
{
G_voltage_measurement_Buff.index = 0;
}
G_voltage_measurement_Buff.buff[G_voltage_measurement_Buff.index] = measure_voltage();
G_voltage_measurement_Buff.index++;
if(!(G_voltage_measurement_Buff.length >= VOLTAGE_MEASUREMENT_BUFF_SIZE))
G_voltage_measurement_Buff.length++;
}
if (G_windAngle_measurement_s >= WIND_ANGLE_MEASUREMENT_PERIOD)
{//kai sitie buferiai persipildo juos nunulina control task
G_windAngle_measurement_s = 0;
if(G_WindAngle_Buff.index >= WIND_ANGLE_BUFF_SIZE)
{
G_WindAngle_Buff.index = 0;
}
G_WindAngle_Buff.buff[G_voltage_measurement_Buff.index] = measure_windAngle();
G_WindAngle_Buff.index++;
if(!(G_WindAngle_Buff.length >= VOLTAGE_MEASUREMENT_BUFF_SIZE))
G_WindAngle_Buff.length++;
}
//matavaimai bus atliekami pertrauktimi, pasinaudojus kitu taimeriu
if (G_windSpeed_measurement_s >= WIND_SPEED_MEASUREMENT_PERIOD)
{
G_windSpeed_measurement_s = 0;
if(G_WindSpeed_Buff.index >= WIND_ANGLE_BUFF_SIZE)
{
G_WindSpeed_Buff.index = 0;
}
G_WindSpeed_Buff.buff[G_voltage_measurement_Buff.index] = G_anemometer_freq_s;
G_WindSpeed_Buff.index++;
if(!(G_WindSpeed_Buff.length >= VOLTAGE_MEASUREMENT_BUFF_SIZE))
G_WindSpeed_Buff.length++;
//TODO: implement
}
}