void send_balance() {
wait_for_tx_free();
tx_buffer[0] = 'C';
- tx_buffer[1] = (coin_value/10000)%10;
- tx_buffer[2] = (coin_value/1000)%10;
- tx_buffer[3] = (coin_value/100)%10;
- tx_buffer[4] = (coin_value/10)%10;
- tx_buffer[5] = coin_value%10;
- tx_buffer[6] = '\n';
- tx_buffer[7] = 0;
+ tx_buffer[1] = have_change?'0':'1';
+ tx_buffer[2] = (coin_value/10000)%10;
+ tx_buffer[3] = (coin_value/1000)%10;
+ tx_buffer[4] = (coin_value/100)%10;
+ tx_buffer[5] = (coin_value/10)%10;
+ tx_buffer[6] = coin_value%10;
+ tx_buffer[7] = '\n';
+ tx_buffer[8] = 0;
send_packet();
}
coin_cost(cost);
send_ack();
}
+
void send_keypress(u8 key) {
/* send a packet of the form KX with X being the key, or R for reset */
wait_for_tx_free();
if (key == KEY_RESET)
tx_buffer[1] = 'R';
else
- tx_buffer[1] = key+'0';
+ tx_buffer[1] = (key%10)+'0';
tx_buffer[2] = '\n';
tx_buffer[3] = 0;
send_packet();
send_ack();
}
+void ping_pong() {
+ /* make sure it's really a ping */
+ if (msg_buf[1] != 'I' ||
+ msg_buf[2] != 'N' ||
+ msg_buf[3] != 'G') {
+ send_nack();
+ return;
+ }
+ /* respond with ack & pong */
+ wait_for_tx_free();
+ tx_buffer[0] = 'P';
+ tx_buffer[1] = 'O';
+ tx_buffer[2] = 'N';
+ tx_buffer[3] = 'G';
+ tx_buffer[4] = '\n';
+ tx_buffer[5] = 0;
+ send_packet();
+}
+
+u16 last_coin_value;
+bool last_door_open;
+char display_buf[11];
+/* cur_motor[0] is 0 for nothing, or 1..10, or 0xff to say redraw.
+ * cur_motor[1] is 0..9 and only meaningful is cur_motor[0] != 0. */
+u8 cur_motor[2];
+
int main() {
- u16 last_coin_value;
- bool last_door_open;
+ u8 i;
+ for (i = 0; i < 11; i++)
+ display_buf[i] = ' ';
+ display_buf[10] = '\0';
- chime_start();
-
- misc_output = 0;
changer_output = 0x7f;
- _io_ports[M6811_PORTA] = 0xc8;
+ _io_ports[M6811_PORTA] = 0xc0; /* display on. talking to serial port */
+ _io_ports[M6811_DDRA] = 0xfc;
_io_ports[M6811_DDRD] = 0x3e;
_io_ports[M6811_SPCR] = 0x12;
-
+ set_misc_output(0x00);
+
display_init();
+ set_msg(" HELLO ");
+
+ unlock(); /* enable interrupts */
+
comm_init();
coinmech_init();
-
+ keypad_init();
last_coin_value = 0;
last_door_open = 0;
+
+ delay(1000);
+
+ set_msg(" CRUEL ");
+
+ delay(1000);
+
+ set_msg(" WORLD ");
+ delay(1000);
+
+ chime_start();
+
+ cur_motor[0] = 0xff;
while(1) {
+ if (cur_motor[0] == 0xff) { /* signal to say redraw screen */
+ set_msg("*5N4X0RZ* ");
+ cur_motor[0] = 0;
+ }
+
if (door_open() != last_door_open) {
last_door_open = door_open();
send_door_msg(last_door_open);
+ chime_start();
+ if (last_door_open) {
+ set_msg("DOOR OPEND");
+ } else {
+ set_msg("DOOR CLOSE");
+ }
}
+ /*
if (rx_queue_state) {
switch (msg_buf[0]) {
case 'V':
case 'G':
give_change();
break;
+ case 'P':
+ ping_pong();
+ break;
default:
- /* shrug */
+ // shurg
send_nack();
break;
}
msg_clr();
}
+ */
keypad_read();
if (keypad_pressed()) {
+ if (last_key == KEY_RESET) {
+ cur_motor[0] = 0xff;
+ } else {
+ if (cur_motor[0]) {
+ u8 motor_num;
+ cur_motor[1] = last_key%10;
+ display_buf[1] = cur_motor[1]+'0';
+ set_msg(display_buf);
+
+ motor_num = cur_motor[0]%10;
+ motor_num *= 10;
+ motor_num += cur_motor[1];
+ switch (dispense_motor(motor_num)) {
+ case MOTOR_HOME_FAIL:
+ set_msg(" HOME FAIL ");
+ break;
+ case MOTOR_CURRENT_FAIL:
+ set_msg(" OVER CRNT ");
+ break;
+ case MOTOR_SUCCESS:
+ set_msg("THANK YOU");
+ break;
+ default:
+ set_msg("ERRRRRRRR?");
+ break;
+ }
+
+ display_buf[0] = ' ';
+ display_buf[1] = ' ';
+ cur_motor[0] = 0xff;
+ delay(500);
+ } else {
+ cur_motor[0] = last_key;
+ display_buf[0] = (last_key%10)+'0';
+ set_msg(display_buf);
+ }
+ }
send_keypress(last_key);
}
+ /*
if (coin_value != last_coin_value) {
send_balance();
last_coin_value = coin_value;
}
+ */
}
}
-
git.ucc.asn.au / uccvend-snackrom.git / blobdiff
UCC git Repository :: git.ucc.asn.au