#include "output.h"
#include "serial.h"
-uint16_t track_current_samples[16] = { 0 };
-uint8_t track_current_head = 0;
-volatile uint16_t track_current_sum = 0;
-uint16_t overcurrent_limit = 8796;
-uint8_t overcurrent_sent = 0;
+static uint16_t track_current_samples[16] = { 0 };
+static uint8_t track_current_head = 0;
+static volatile uint16_t track_current_sum = 0;
+static uint16_t overcurrent_limit = 9707;
+static uint8_t overcurrent_sent = 0;
-uint16_t input_voltage_samples[16] = { 0 };
-uint8_t input_voltage_head = 0;
-volatile uint16_t input_voltage_sum = 0;
+static uint16_t input_voltage_samples[16] = { 0 };
+static uint8_t input_voltage_head = 0;
+static volatile uint16_t input_voltage_sum = 0;
-volatile uint8_t adc_state = 0;
-volatile uint16_t adc_value = 0;
+static volatile uint8_t adc_state = 0;
+static volatile uint16_t adc_value = 0;
-uint16_t track_current_milliamps();
-uint16_t input_voltage_millivolts();
-
-void monitor_init()
+void monitor_init(void)
{
+ DDRB |= 0x02;
adc_init();
}
-void monitor_check()
+void monitor_check(void)
{
if(!(adc_state&1))
{
if(track_current_sum>overcurrent_limit)
{
output_set_power(0);
+ PORTB |= 0x02;
if(!overcurrent_sent)
{
overcurrent_sent = 1;
- serial_write(0xFE);
- serial_write(OVERCURRENT);
+ interface_send1(OVERCURRENT);
}
}
- else
+ else if(overcurrent_sent && output_is_power_on())
+ {
+ PORTB &= ~0x02;
overcurrent_sent = 0;
+ }
}
else if(adc_state==4)
{
}
}
-uint8_t monitor_command()
+uint8_t monitor_command(const uint8_t *cmd_buf, uint8_t cmd_length)
{
if(cmd_buf[0]==READ_TRACK_CURRENT)
{
if(cmd_length!=1)
return LENGTH_ERROR;
- serial_write(0xFC);
- serial_write(TRACK_CURRENT);
- uint16_t value = track_current_milliamps();
- serial_write(value>>8);
- serial_write(value);
+ uint16_t value = monitor_track_current();
+ uint8_t reply[3];
+ reply[0] = TRACK_CURRENT;
+ reply[1] = value>>8;
+ reply[2] = value;
+ interface_send(reply, sizeof(reply));
}
else if(cmd_buf[0]==SET_OVERCURRENT_LIMIT)
{
if(cmd_length!=1)
return LENGTH_ERROR;
- serial_write(0xFC);
- serial_write(INPUT_VOLTAGE);
- uint16_t value = input_voltage_millivolts();
- serial_write(value>>8);
- serial_write(value);
+ uint16_t value = monitor_input_voltage();
+ uint8_t reply[3];
+ reply[0] = INPUT_VOLTAGE;
+ reply[1] = value>>8;
+ reply[2] = value;
+ interface_send(reply, sizeof(reply));
}
else
return INVALID_COMMAND;
return COMMAND_OK;
}
-uint16_t track_current_milliamps()
+uint16_t monitor_track_current(void)
{
uint16_t value = track_current_sum;
}
}
-uint16_t input_voltage_millivolts()
+uint16_t monitor_input_voltage(void)
{
uint16_t value = input_voltage_sum;