From 0e2b2cfa32767e516870a4e6a2ce0b6cce827910 Mon Sep 17 00:00:00 2001
From: Sylvain Miermont <smiermont@semtech.com>
Date: Mon, 10 Mar 2014 08:48:00 +0100
Subject: [PATCH] v1.2.2

- Added a GPIO toggle on the FTDI SPI module to reset the SX1301 board.
---
 libloragw/VERSION               |  2 +-
 libloragw/doc/CHANGELOG.TXT     |  5 +++++
 libloragw/src/loragw_spi.ftdi.c | 10 ++++++++++
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/libloragw/VERSION b/libloragw/VERSION
index fff109c5..e7ee96c9 100644
--- a/libloragw/VERSION
+++ b/libloragw/VERSION
@@ -1,5 +1,5 @@
 /* Software library version: */
-#define VERSION_LIBRARY			"1.2.1"
+#define VERSION_LIBRARY			"1.2.2"
 
 /* API version */
 #define VERSION_API				"1"
diff --git a/libloragw/doc/CHANGELOG.TXT b/libloragw/doc/CHANGELOG.TXT
index 94025736..a03e7e08 100644
--- a/libloragw/doc/CHANGELOG.TXT
+++ b/libloragw/doc/CHANGELOG.TXT
@@ -1,6 +1,11 @@
 Lora Gateway HAL changelog
 ==========================
 
+ v1.2.2
+---------------------
+
+ * Added a GPIO toggle on the FTDI SPI module to reset the SX1301 board.
+
  v1.2.1
 ---------------------
 
diff --git a/libloragw/src/loragw_spi.ftdi.c b/libloragw/src/loragw_spi.ftdi.c
index 35bc9519..23b2a19c 100644
--- a/libloragw/src/loragw_spi.ftdi.c
+++ b/libloragw/src/loragw_spi.ftdi.c
@@ -60,6 +60,7 @@ Maintainer: Sylvain Miermont
 /* SPI initialization and configuration */
 int lgw_spi_open(void **spi_target_ptr) {
 	struct mpsse_context *mpsse = NULL;
+	int a, b;
 	
 	/* check input variables */
 	CHECK_NULL(spi_target_ptr); /* cannot be null, must point on a void pointer (*spi_target_ptr can be null) */
@@ -75,6 +76,15 @@ int lgw_spi_open(void **spi_target_ptr) {
 		return LGW_SPI_ERROR;
 	}
 	
+	/* toggle pin ADBUS5 of the FT2232H */
+	/* On the Semtech reference board, it resets the SX1301 */
+	a = PinHigh(mpsse, GPIOL1);
+	b = PinLow(mpsse, GPIOL1);
+	if ((a != MPSSE_OK) || (b != MPSSE_OK)) {
+		DEBUG_MSG("ERROR: IMPOSSIBLE TO TOGGLE GPIOL1/ADBUS5\n");
+		return LGW_SPI_ERROR;
+	}
+	
 	DEBUG_PRINTF("SPI port opened and configured ok\ndesc: %s\nPID: 0x%04X\nVID: 0x%04X\nclock: %d\nLibmpsse version: 0x%02X\n", GetDescription(mpsse), GetPid(mpsse), GetVid(mpsse), GetClock(mpsse), Version());
 	*spi_target_ptr = (void *)mpsse;
 	return LGW_SPI_SUCCESS;