X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=ROM2%2Fmain_basic.c;h=ff8687bf6af101b5f967c314b61c52bd5ea39fe0;hb=2e7a8beb908896930042bc0564fbd16f3e0b0b62;hp=8d54ee99e6c4441d04dadaf1a95b6441b3dcc791;hpb=81ad17d2164523859d14464b9950a39f87e04937;p=uccvend-snackrom.git

diff --git a/ROM2/main_basic.c b/ROM2/main_basic.c
index 8d54ee9..ff8687b 100644
--- a/ROM2/main_basic.c
+++ b/ROM2/main_basic.c
@@ -9,39 +9,61 @@
 #include "chime.h"
 #include "server.h"
 #include "coinmech.h"
+#include "comm.h"
 #include "vend.h"
 
+extern inline void enable_rti() {
+}
+
 void _start() {
 	set_bus_expanded();
-	display_init();
-	/* enable RTI & set rate */
-	/* init coin mech */
-	/* scan for motors */
+	/* enable RTI */
+	_io_ports[M6811_TMSK2] = 0x40;
+	/* powerup ADC, set IRQ' for edge-sensitive operation */
+	_io_ports[M6811_OPTION] = 0xA0;
+	/* set the stack pointer */
+	//asm volatile ("lds %1":: "i"(_stack):"sp");
+
 	main();
+
+loop_forever:
+	goto loop_forever; /* wait for an interrupt to wake us up again */
 }
 
 int main() {
+	u16 last_coin_value = coin_value;
+
+	/* init coin mech */
+	comm_init();
+	display_init();
 	while(1) {
-		/*
-		 * have serial packet?
-		 *
-		 * decode msg & process:
-		 *   - dispense motor
-		 *   - display string
-		 *   - give change
-		 *   - beep
-		 */
-		
-		/*
-		 * have keypress?
-		 *   - beep
-		 *   - send via serial
-		 */
-
-		/*
-		 * have coin balance change?
-		 *   - send via serial
-		 */
+		if (rx_queue_state) {
+			switch (msg_buf[0]) {
+				case 'V': /* dispense something */
+					break;
+				case 'D': /* write string to display */
+					break;
+				case 'B': /* beep */
+					break;
+				case 'U': /* query current coin balance */
+					break;
+				case 'G': /* give change */
+					break;
+				default:
+				/* shrug */
+					break;
+			}
+			msg_clr();
+		}
+		keypad_read();
+		if (keypad_pressed()) {
+			/* send packet about it */
+			/* beep? */
+		}
+
+		if (coin_value != last_coin_value) {
+			/* send a packet about it */
+		}
 	}
 }