X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Farm.git;a=blobdiff_plain;f=betty%2Ffwbc.c;h=fecb7533ac3275da6700c2b5848b41de50b049ca;hp=46a342c8ab3e6e3101a8b00f70c1d0d6215b6973;hb=404060c864c2d8bd444246078590c6f71f22217f;hpb=389c1663ec0deb0b9947587a92d6ae13bde0640f

diff --git a/betty/fwbc.c b/betty/fwbc.c
index 46a342c..fecb753 100644
--- a/betty/fwbc.c
+++ b/betty/fwbc.c
@@ -14,21 +14,26 @@
 #define P_CLOCK			(OSC_CLOCK/P_DIV)
 
 typedef unsigned char u8;
+typedef unsigned int u32;
 
-void uart0_init(int br) {
+void uart0_init(u32 br) {
 
-	PINSEL0&=~((0x03<<0)|(0x03<<2)); 	// clear bits 0-3
-	PINSEL0|=((1<<0)|(1<<2));		// pin select: tx, rx
+	/* pin select -> tx rx */
+	PINSEL0&=~((1<<0)|(1<<1)|(1<<2)|(1<<3));
+	PINSEL0|=((1<<0)|(1<<2));
 
-	UART0_LCR|=(1<<7);			// enable access to divisor
-	UART0_DLL=(P_CLOCK/(br*16))&0xff;	// set divisor
-	UART0_DLL=((P_CLOCK/(br*16))&0xff00)>>8;
-	UART0_LCR&=~(1<<7);			// disable access to divisor
+	/* divisor */
+	UART0_LCR|=(1<<7);
+	//UART0_DLL=((OSC_CLOCK/(16*br)))&0xff;
+	//UART0_DLM=(((OSC_CLOCK/(16*br)))&0xff00)>>8;
+	UART0_DLL=65;
+	UART0_DLM=0;
 
-	UART0_LCR&=~(0x03<<2);			// 1 stop bit, no parity
-	UART0_LCR|=0x03;			// 8 data bits
+	/* 8 bit data */
+	UART0_LCR=((1<<0)|(1<<1));
 
-	UART0_FCR=0x01;				// activate fifo
+	/* activate rx tx fifo */
+	UART0_FCR|=((1<<0)|(1<<1)|(1<<2));
 }
 
 void uart_send(u8 byte) {