X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=betty%2Fbetty.c;h=af593d87008cfc5fcc6e4d163037a81f3d2032fc;hb=60432148802391c2ba390e9c56f999514653c969;hp=68c86f7b319aad9f785e283cb337eb0440a61907;hpb=2cbc6d2f18a38237fcd1df2ef67ba315af080f03;p=my-code%2Farm.git

diff --git a/betty/betty.c b/betty/betty.c
index 68c86f7..af593d8 100644
--- a/betty/betty.c
+++ b/betty/betty.c
@@ -5,43 +5,12 @@
  *
  */
 
-/*
- * includes
- */
-
-#include "lpc2xxx.h"
-
-/*
- * defines
- */
-
-/* bank 0/2 and boootloader addr/size */
-#define BANK0			0x80000000
-#define BANK2			0x82000000
-#define BANK_SIZE		0x00100000
-#define BOOTLOADER		0x7fffe000
-#define BL_SIZE			0x00002000
-
-/* flash cmd addresses - flash[0-18] <--> arm[1-19]*/
-#define B0F555	(*((volatile unsigned short *)(BANK0|0xaaa)))	// 0x555
-#define B0F2AA	(*((volatile unsigned short *)(BANK0|0x554)))	// 0x2aa
-#define B0F	(*((volatile unsigned short *)(BANK0)))
-#define B2F555	(*((volatile unsigned short *)(BANK2|0xaaa)))	// 0x555
-#define B2F2AA	(*((volatile unsigned short *)(BANK2|0x554)))	// 0x2aa
-#define B2F	(*((volatile unsigned short *)(BANK2)))
+#include "betty.h"
 
 /*
- * type definitions
+ * functions
  */
 
-typedef unsigned char u8;
-typedef unsigned short u16;
-typedef unsigned int u32;
-
- /*
-  * functions
-  */
-
 void mmap_init(u8 memtype) {
 
 	MEMMAP=memtype;
@@ -79,7 +48,10 @@ void pin_select_init() {
 
 void uart0_init(void) {
 
-	PINSEL0=0x05;			// pin select -> tx, rx
+	/* select pins 0.0 and 0.1 as tx and rx */
+	PINSEL0=(PINSEL0&~(0xf))|0x05;		// pin select -> tx, rx
+
+	/* configure uart0 */
 	UART0_FCR=0x07;			// enable fifo
 	UART0_LCR=0x83;			// set dlab + word length
 	UART0_DLL=0x04;			// br: 38400 @ 10/4 mhz
@@ -166,21 +138,152 @@ u8 uart0_get_byte(void) {
 	return rx;
 }
 
+void pause(int cnt) {
+
+	while(cnt--)
+		asm volatile ("nop");
+}
+	
+void init_lcd(u8 s) {
+
+	LCD_CMD=0xe1;	// ?
+	LCD_CMD=0xe2;
+	pause(48000);
+	LCD_CMD=0xab;
+	LCD_CMD=0x27;
+	LCD_CMD=0x81;
+	LCD_CMD=0x3f;
+	LCD_CMD=0x65;
+	LCD_CMD=0x60;
+	LCD_CMD=0x1c;
+	LCD_CMD=0x61;
+	LCD_CMD=0x0a;
+	LCD_CMD=0x62;
+	LCD_CMD=0x75;
+	LCD_CMD=0x63;
+	LCD_CMD=0x81;
+	LCD_CMD=0x90;
+	LCD_CMD=0x88;
+	LCD_CMD=0x00;
+	LCD_CMD=0x89;
+	LCD_CMD=0x00;
+	LCD_CMD=0x8a;
+	LCD_CMD=0x33;
+	LCD_CMD=0x8b;
+	LCD_CMD=0x33;
+	LCD_CMD=0x8c;
+	LCD_CMD=0x66;
+	LCD_CMD=0x8d;
+	LCD_CMD=0x66;
+	LCD_CMD=0x8e;
+	LCD_CMD=0x99;
+	LCD_CMD=0x8f;
+	LCD_CMD=0x99;
+	if(s) {
+		LCD_CMD=0xa1;
+		LCD_CMD=0xc0;
+	}
+	else {
+		LCD_CMD=0xa0;
+		LCD_CMD=0xc8;
+	}
+	LCD_CMD=0x2e;
+	pause(48000);
+	LCD_CMD=0x2f;
+	LCD_CMD=0xa4;
+	LCD_CMD=0xa6;
+}
+
+/*
+ * spi0 stuff (+ cc1100)
+ */
+
+#define SLAVE	0
+#define MASTER	1
+
+void spi1_init(u8 width,u8 type,u8 div) {
+
+	if((width<8)|(width>16))
+		width=8;
+	if(width==16)
+		width=0;
+
+	div&=0xfe;
+	if(div<8)
+		div=8;
+
+	S1SPCR=(1<<2)|(width<<8)|(type<<5);
+	S1SPCCR=div;
+}
+
+#define cc1100_init	spi1_init(8,MASTER,8)
+
+void spi1_send(u16 data) {
+
+	S1SPDR=data;
+
+	while(!(S1SPSR&(1<<7)))
+		continue;
+}
+
+void bl_init(void) {
+
+	IODIR0|=(1<<4);
+}
+
+void bl_toggle(void) {
+
+	if(IOPIN0&(1<<4))
+		IOCLR0=(1<<4);
+	else
+		IOSET0=(1<<4);
+}
+
+void bl_on(void) {
+
+	IOCLR0=(1<<4);
+}
+
+void bl_off(void) {
+
+	IOSET0=(1<<4);
+}
+
 /*
  * main function
  */
 
 int main() {
 
-	char buf="betty - live from the flash at 0x80000000! ;)\r\n";
+	char buf[]="betty - live from the flash at 0x80000000! ;)\r\n";
+	u64 keys;
+	u8 i;
 
 	pll_init();
 	uart0_init();
 	ext_mem_bank_init();
 	pin_select_init();
-
-	while(1)
-		uart0_send_string(buf);
+	init_lcd(0);
+	bl_init();
+	button_init();
+
+	pause(0xffffff);
+
+	bl_toggle();
+
+	while(1) {
+		uart0_send_string("\n");
+		//uart0_send_string(buf);
+		//bl_toggle();
+		pause(0x0fffff);
+		button_get_event(&keys,1000);
+		for(i=0;i<42;i++) {
+			//if(keys&(1<<i)) {
+			//	uart0_send_byte(0x30+i);
+			//	break;
+			uart0_send_byte(keys&(1<<i)?0x31:0x30);
+		}
+	}
 
 	return 0;
 }