X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/rsbs2/blobdiff_plain/a44532dcb9a05fa29eaed0728cd0543750e47081..18037a5ad01238943aa7b82104787caaae838ea3:/bmc/i2c.c

diff --git a/bmc/i2c.c b/bmc/i2c.c
index c5f587b..92c00cc 100644
--- a/bmc/i2c.c
+++ b/bmc/i2c.c
@@ -21,7 +21,11 @@ void i2c_init()
 	TWDR = 0x00;
 	TWCR &= ~((1<<TWSTA) | (1<<TWSTO));
 	TWCR |= ((1<<TWEA) | (1<<TWEN) | (1<<TWIE)); 
+#ifdef __AVR_ATmega16__
 	PORTC = 0x03;
+#else
+#error "Don't know how to set pullups for this chip, please add support"
+#endif
 }
 
 void i2c_send(unsigned char *buf, int len)
@@ -72,7 +76,7 @@ ISR (TWI_vect, ISR_BLOCK)
 	if (i2c_done)
 		TWCR_RESET;
 
-	switch (TW_STATUS) {
+	switch (TW_STATUS & 0xf8) {
 		case TW_SR_SLA_ACK:
 #ifdef DEBUG
 			printf("I2C: Slave 0x%02x adressed\n", TWDR);
@@ -109,7 +113,7 @@ ISR (TWI_vect, ISR_BLOCK)
 
 		default:
 #ifdef DEBUG
-			printf("I2C: Unimplemented status 0x%02x\n", TW_STATUS);
+			printf("I2C: Unimplemented status 0x%02x\n", (TW_STATUS & 0xf8));
 #endif
 			TWCR_RESET;
 			break;