#define COINMECH_ID 0x20
volatile u8 last_byte;
-volatile u8 packet_pos = 0;
-volatile u16 value_1 = 0;
-volatile u8 value_2 = 0;
-volatile u8 dec_point = 0;
+volatile u8 packet_pos;
+volatile u16 value_1;
+volatile u8 value_2;
+volatile u8 dec_point;
-volatile u16 coin_value = 0;
-u8 item_cost = 0;
-volatile bool have_change = 0;
+volatile u16 coin_value;
+u8 item_cost;
+volatile bool have_change;
u8 parity_test(u8 c) {
u8 parity = 0;
}
#define IS_CTRL(x) (x & 0x10) /* true if this packet is a control packet */
-void sci_interrupt() {
+void sci_interrupt_coinmech() {
u8 in;
in = _io_ports[M6811_SCDR];
return;
}
- if (packet_pos != 0 || IS_CTRL(in&0x10)) {
+ if (packet_pos != 0 || IS_CTRL(in)) {
in &= 0x0f;
switch (in) {
case 0x01:
item_cost = cost;
while(coin_value); /* wait until coin mech cleared */
}
+
+void coinmech_init() {
+ packet_pos = 0;
+ value_1 = value_2 = 0;
+ dec_point = 0;
+ coin_value = 0;
+ item_cost = 0;
+ have_change = 0;
+ _io_ports[M6811_SCCR1] = 0x10;
+ _io_ports[M6811_SCCR2] = 0x2e;
+ _io_ports[M6811_BAUD] = 0x03;
+ send_byte(0xff);
+}