X-Git-Url: https://git.karo-electronics.de/?p=oswald.git;a=blobdiff_plain;f=metawatch%2Fbt_hci.c;fp=metawatch%2Fbt_hci.c;h=7bf74449eb8f9d8fe1f85d846241abf2f9e71ac1;hp=838aafc20aeda695b183f038bfb3d36920e1c960;hb=1b5790095c23913d02531727e47b79af3568e0b1;hpb=3e320aaa4175a0ed469581f1dea2eac35b390878

diff --git a/metawatch/bt_hci.c b/metawatch/bt_hci.c
index 838aafc..7bf7444 100644
--- a/metawatch/bt_hci.c
+++ b/metawatch/bt_hci.c
@@ -327,10 +327,14 @@ unsigned char bt_feed_packet_data(unsigned char pdata)
 					state = HCI_PACKET_START;
 					// disable BT UART?
 					// mabye UCA1CTL1 = UCSWRST ?
+
 					pdata = EHCILL_GO_TO_SLEEP_ACK;
 					mw_bt_uart_tx(&pdata, 0x01);
-					BT_IO_POUT |= BT_IO_RTS; // pull RTS -> stop data
 
+					// pull RTS -> stop data
+					BT_IO_POUT |= BT_IO_RTS;
+
+					// enable IRQ on CTS
 					P1IFG &= ~BT_IO_CTS;
 					P1IE |= BT_IO_CTS;
 
@@ -421,7 +425,7 @@ void bt_hci_cmd(const uint8_t OGF, const uint8_t OCF, const uint8_t data_len, co
 	if (state == EHCILL_SLEEPING) {
 		uint8_t ehcill_p = EHCILL_WAKE_UP_IND;
 
-		debug_uart_tx("HCILL wakeup\n");
+		debug_uart_tx("wakeup HCILL\n");
 		state = HCI_PACKET_START;
 		mw_bt_uart_tx(&ehcill_p, 1);
 		__delay_cycles(300000);
@@ -484,11 +488,12 @@ void bt_hci_init(void)
 
 void bt_hci_ehcill_wake(void)
 {
-	uint8_t ehcill_p = EHCILL_WAKE_UP_ACK;
+	const uint8_t ehcill_p = EHCILL_WAKE_UP_ACK;
 
 	debug_uart_tx("HCILL wakeup\n");
 
 	P1IE &= ~BT_IO_CTS;
+	P1IFG &= ~BT_IO_CTS;
 	state = HCI_PACKET_START;
 
 	BT_IO_POUT &= ~BT_IO_RTS; // drop RTS -> start data