C Style with double check security

henyxia
1 parent 20af1a0b
Showing 4 changed files with 104 additions and 30 deletions Show diff stats
.gitignore
Makefile
main.c
main.ino
@@ -0,0 +1,3 @@
+*.hex
+*.o
+*.elf
@@ -0,0 +1,38 @@
+export CC = avr-gcc
+
+export MCU = atmega328p
+export TARGET_ARCH = -mmcu=$(MCU)
+
+export CFLAGS =  -Wall -I. -DF_CPU=16000000 -Os #-g
+export LDFLAGS = -g $(TARGET_ARCH) -lm -Wl,--gc-sections #	-Os
+
+TARGET = usb
+TERM = /dev/ttyACM0
+CPPFLAGS = -mmcu=$(MCU)
+PGMER = -c stk500v1 -b 57600 -P $(TERM)
+PGMERISP = -c stk500v1 -b 115200 -P $(TERM)
+ARVDUDECONF= -C /usr/local/arduino/arduino-0022/hardware/tools/avrdude.conf
+export DUDE = /usr/bin/avrdude -F -v -p $(MCU) $(AVRDUDECONF)
+
+C_SRC = $(wildcard *.c)
+OBJS = $(C_SRC:.c=.o)
+
+all: $(TARGET).hex
+
+clean:
+	rm -f *.o *.hex *.elf
+
+%.o:%.c
+	$(CC) -c $(CPPFLAGS) $(CFLAGS) $< -o $@
+
+$(TARGET).elf: $(OBJS)
+	$(CC) $(LDFLAGS) -o $@ $(OBJS)
+
+$(TARGET).hex: $(TARGET).elf
+	avr-objcopy -j .text -j .data -O ihex $(TARGET).elf $(TARGET).hex
+	avr-objcopy -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 -O ihex $(TARGET).elf eeprom.hex
+
+upload: $(TARGET).hex
+	stty -F $(TERM) hupcl # reset
+	$(DUDE) $(PGMERISP) -U flash:w:$(TARGET).hex
+
@@ -0,0 +1,63 @@
+#include <avr/io.h>
+#include <util/delay.h>
+
+#define CPU_FREQ        16000000L
+
+unsigned int joystick_lr;
+unsigned int joystick_ud;
+
+void init_serial(unsigned long int speed)
+{
+	//UBRR0 = CPU_FREQ/((speed)<<4)-1;
+	UBRR0 = 8;
+	UCSR0B = (1<<TXEN0 | 1<<RXEN0);
+	UCSR0C = (1<<UCSZ01 | 1<<UCSZ00);
+	UCSR0A &= (1 << U2X0);
+}
+
+void send_serial(unsigned char c)
+{
+	loop_until_bit_is_set(UCSR0A, UDRE0);
+	UDR0 = c;
+}
+
+unsigned char get_serial(void)
+{
+	loop_until_bit_is_set(UCSR0A, RXC0);
+	return UDR0;
+}
+
+void port_initio(void)
+{
+	DDRD &= 0xFC;
+	DDRD |= 0x3C;
+	DDRB &= 0xFE;
+	PORTD |= 0x3C;
+}
+
+int main(void)
+{
+	init_serial(250000);
+	port_initio();
+	uint8_t	opto0 = 0;
+	uint8_t	opto2 = 0;
+  
+	while (1)
+	{
+		if((opto0 == 1) && ((PIND & 0x40) == 0x40))
+			PORTD &= 0xE7;
+		else
+			PORTD |= 0x18;
+		if((opto2 == 1) && ((PIND & 0x80) == 0x80))
+			PORTD &= 0xDB;
+		else
+			PORTD |= 0x24;
+
+		if((PINB & 0x01) == 0x01)
+			send_serial('U');
+		else
+			send_serial('D');
+	}
+
+	return 0;
+}
@@ -1,30 +0,0 @@
-int ctrlPump1 = 5;
-int ctrlPump2 = 6;
-int ctrlHeat1 = 7;
-int ctrlHeat2 = 8;
-int pump = 9;
-int heat = 10;
-
-void setup()
-{
-  pinMode(ctrlPump1, INPUT);
-  pinMode(ctrlPump2, INPUT);
-  pinMode(ctrlHeat1, INPUT);
-  pinMode(ctrlHeat2, INPUT);
-  pinMode(pump, OUTPUT);
-  pinMode(heat, OUTPUT);
-}
-
-void loop()
-{
-    if((digitalRead(ctrlPump1) == HIGH) && digitalRead(ctrlPump2))
-		digitalWrite(pump, LOW);
-    else
-		digitalWrite(pump, HIGH);
-
-     if((digitalRead(ctrlHeat1) == HIGH) && digitalRead(ctrlHeat2))
-		digitalWrite(heat, LOW);
-    else
-		digitalWrite(heat, HIGH);
-   delay(1000);
-}