From 0e8e3c8d53d48f0174606593d5b9ec76894543c6 Mon Sep 17 00:00:00 2001
From: Jared Boone <jboone@earfeast.com>
Date: Tue, 17 Sep 2013 15:27:16 -0700
Subject: [PATCH] Push MAX2837 state management into rf_path_set_direction().

---
 firmware/common/rf_path.c        | 5 +++++
 firmware/hackrf_usb/hackrf_usb.c | 7 -------
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/firmware/common/rf_path.c b/firmware/common/rf_path.c
index 0444ae0e..a8e10417 100644
--- a/firmware/common/rf_path.c
+++ b/firmware/common/rf_path.c
@@ -82,6 +82,8 @@ void rf_path_set_direction(const rf_path_direction_t direction) {
 		} else {
 			rffc5071_enable();
 		}
+		max2837_start();
+		max2837_tx();
 		break;
 	
 	case RF_PATH_DIRECTION_RX:
@@ -96,6 +98,8 @@ void rf_path_set_direction(const rf_path_direction_t direction) {
 		} else {
 			rffc5071_enable();
 		}
+		max2837_start();
+		max2837_rx();
 		break;
 		
 	case RF_PATH_DIRECTION_OFF:
@@ -103,6 +107,7 @@ void rf_path_set_direction(const rf_path_direction_t direction) {
 		/* Set RF path to receive direction when "off" */
 		switchctrl &= ~SWITCHCTRL_TX;
 		rffc5071_disable();
+		max2837_stop();
 		break;
 	}
 	
diff --git a/firmware/hackrf_usb/hackrf_usb.c b/firmware/hackrf_usb/hackrf_usb.c
index 61c70430..dfa361a2 100644
--- a/firmware/hackrf_usb/hackrf_usb.c
+++ b/firmware/hackrf_usb/hackrf_usb.c
@@ -179,23 +179,16 @@ void set_transceiver_mode(const transceiver_mode_t new_transceiver_mode) {
 		gpio_clear(PORT_LED1_3, PIN_LED3);
 		gpio_set(PORT_LED1_3, PIN_LED2);
 		usb_endpoint_init(&usb_endpoint_bulk_in);
-
 		rf_path_set_direction(RF_PATH_DIRECTION_RX);
-		max2837_start();
-		max2837_rx();
 	} else if (transceiver_mode == TRANSCEIVER_MODE_TX) {
 		gpio_clear(PORT_LED1_3, PIN_LED2);
 		gpio_set(PORT_LED1_3, PIN_LED3);
 		usb_endpoint_init(&usb_endpoint_bulk_out);
-
 		rf_path_set_direction(RF_PATH_DIRECTION_TX);
-		max2837_start();
-		max2837_tx();
 	} else {
 		gpio_clear(PORT_LED1_3, PIN_LED2);
 		gpio_clear(PORT_LED1_3, PIN_LED3);
 		rf_path_set_direction(RF_PATH_DIRECTION_OFF);
-		max2837_stop();
 		return;
 	}