8 /* addresses of these set at link time
9 * to add more addresses, define them here with buffered_addr_h, in helpers.c
10 * with buffered_addr, and also in LDFLAGS in the Makefile
12 #define buffered_addr(a) \
13 extern volatile u8* _##a; \
15 extern inline void set_##a(u8 b) { a = *_##a = b; } \
16 extern inline void bset_##a(const u8 m) { bset(&a, m); *_##a = a; } \
17 extern inline void bclr_##a(const u8 m) { bclr(&a, m); *_##a = a; }
19 buffered_addr(changer_output);
20 buffered_addr(misc_output);
22 extern volatile u8 _switch_input;
23 #define switch_input _switch_input
24 extern volatile u8 _misc_input;
25 #define misc_input _misc_input
26 extern volatile u8 _home_sensors;
27 #define home_sensors _home_sensors
29 /******* from helpers.c *******/
31 void print_amount(u16 amt);
33 /******** Some meaningful bits ******/
34 #define PORTA_CHIME 0x10 /* chime is on when set */
35 #define PORTA_MOTOR_COL_DISABLE 0x40
36 #define PORTA_DISP_RESET 0x80 /* active low */
38 #define PORTD_KEYPAD_ROW 0x20 /* clear for row 0, set for row 1 */
40 #define PORTE_MOTOR_OVERVOLTAGE 0x02
42 /* Address 3000 bits */
43 #define A3000_MOTOR_ROW_ENABLE 0x80
45 /* Address 1800 bits */
46 #define A1800_DOOR_OPEN 0x20
48 /* Address 3800 bits */
49 #define A3800_DISPLAY_WRITE 0x04
50 #define A3800_MOTOR_COL8_ENABLE 0x20
51 #define A3800_MOTOR_COL9_ENABLE 0x40
53 /******* from main.c *******/
54 int __attribute__((noreturn)) main (void);
55 void __attribute__((interrupt)) rti (void);
57 /* other one liners */
58 extern inline bool door_open() { return switch_input & A1800_DOOR_OPEN; }
59 extern inline void spi_enable() { bset((void*)&_io_ports[M6811_SPCR], M6811_SPE); }
60 extern inline void spi_disable() { bclr((void*)&_io_ports[M6811_SPCR], M6811_SPE); }