void temp_tick(void)
{
/* Read and average temperatures */
current_temp[EXTRUDER_0] = read_temp(EXTRUDER_0);
current_temp[HEATED_BED_0] = read_temp(HEATED_BED_0);
ticks ++;
if (ticks == NUM_TICKS)
{
/* Manage heater using simple ON/OFF logic, no PID */
if (current_temp[EXTRUDER_0] < target_temp[EXTRUDER_0])
{
extruder_heater_on();
}
else
{
extruder_heater_off();
}
/* Manage heater using simple ON/OFF logic, no PID */
if (current_temp[HEATED_BED_0] < target_temp[HEATED_BED_0])
{
heated_bed_on();
}
else
{
heated_bed_off();
}
ticks = 0;
}
}
void temp_tick(void)
{
/* Define a value for sequencial number of reads of ADC, to average the readed
* value and try filter high frequency noise.
*/
#define ADC_READ_TIMES 4
/* Read and average the ADC input signal */
current_temp[EXTRUDER_0] = 0;
for (uint8_t c = 0; c < ADC_READ_TIMES; c++)
{
/* Read EXTRUDER_0 temperature value and manage heater */
current_temp[EXTRUDER_0] += read_temp(EXTRUDER_0);
}
current_temp[EXTRUDER_0] = current_temp[EXTRUDER_0] / ADC_READ_TIMES;
/* Manage heater using simple ON/OFF logic, no PID */
if (current_temp[EXTRUDER_0] < target_temp[EXTRUDER_0])
{
extruder_heater_on();
}
else
{
extruder_heater_off();
}
/* Read and average the ADC input signal */
current_temp[HEATED_BED_0] = 0;
for (uint8_t c = 0; c < ADC_READ_TIMES; c++)
{
/* Read HEATED_BED_0 temperature value and manage heater */
current_temp[HEATED_BED_0] += read_temp(HEATED_BED_0);
}
current_temp[HEATED_BED_0] = current_temp[HEATED_BED_0] / ADC_READ_TIMES;
/* Manage heater using simple ON/OFF logic, no PID */
if (current_temp[HEATED_BED_0] < target_temp[HEATED_BED_0])
{
heated_bed_on();
}
else
{
heated_bed_off();
}
}
void io_init(void)
{
/* Extruder 0 Heater pin */
pin_mode(EXTRUDER_0_HEATER_PORT, EXTRUDER_0_HEATER_PIN, OUTPUT);
extruder_heater_off();
/* Heated Bed 0 Heater pin */
pin_mode(HEATED_BED_0_HEATER_PORT, HEATED_BED_0_HEATER_PIN, OUTPUT);
heated_bed_off();
/* setup I/O pins */
pin_mode(STEPPERS_RESET_PORT, STEPPERS_RESET_PIN, OUTPUT);
digital_write(STEPPERS_RESET_PORT, STEPPERS_RESET_PIN, 1); /* Disable reset for all stepper motors */
pin_mode(X_STEP_PORT, X_STEP_PIN, OUTPUT);
pin_mode(X_DIR_PORT, X_DIR_PIN, OUTPUT);
pin_mode(X_ENABLE_PORT, X_ENABLE_PIN, OUTPUT);
x_enable();
pin_mode(X_MIN_PORT, X_MIN_PIN, INPUT);
pin_mode(Y_STEP_PORT, Y_STEP_PIN, OUTPUT);
pin_mode(Y_DIR_PORT, Y_DIR_PIN, OUTPUT);
pin_mode(Y_ENABLE_PORT, Y_ENABLE_PIN, OUTPUT);
y_enable();
pin_mode(Y_MIN_PORT, Y_MIN_PIN, INPUT);
pin_mode(Z_STEP_PORT, Z_STEP_PIN, OUTPUT);
pin_mode(Z_DIR_PORT, Z_DIR_PIN, OUTPUT);
pin_mode(Z_ENABLE_PORT, Z_ENABLE_PIN, OUTPUT);
z_enable();
pin_mode(Z_MIN_PORT, Z_MIN_PIN, INPUT);
pin_mode(E_STEP_PORT, E_STEP_PIN, OUTPUT);
pin_mode(E_DIR_PORT, E_DIR_PIN, OUTPUT);
pin_mode(E_ENABLE_PORT, E_ENABLE_PIN, OUTPUT);
e_enable();
pin_mode(EXTRUDER_0_FAN_PORT, EXTRUDER_0_FAN_PIN, OUTPUT);
extruder_fan_off();
adc_init();
}
