From 568feaf7da49580be4aeea1dd8e970b75a36887f Mon Sep 17 00:00:00 2001
From: Michael Schwarcz <michael.schwarcz@arm.com>
Date: Tue, 19 Mar 2019 12:51:36 +0200
Subject: [PATCH 1/4] Remove dependency on us_ticker HAL apis for non USTICKER
 targets

- Surround mbed_us_ticker_api.c with if DEVICE_USTICKER
- get_us_ticker_data() returns NULL for non-usticker targets.
---
 hal/mbed_us_ticker_api.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/hal/mbed_us_ticker_api.c b/hal/mbed_us_ticker_api.c
index 28626e0bd63..0cb863f1158 100644
--- a/hal/mbed_us_ticker_api.c
+++ b/hal/mbed_us_ticker_api.c
@@ -14,8 +14,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
+#include <stddef.h>
 #include "hal/us_ticker_api.h"
 
+#if DEVICE_USTICKER
+
 static ticker_event_queue_t events = { 0 };
 
 static ticker_irq_handler_type irq_handler = ticker_irq_handler;
@@ -56,3 +60,12 @@ void us_ticker_irq_handler(void)
         irq_handler(&us_data);
     }
 }
+
+#else
+
+const ticker_data_t *get_us_ticker_data(void)
+{
+    return NULL;
+}
+
+#endif  // DEVICE_USTICKER

From 3ea2161755e4a3ae5aaf0dba0e41ddc8571ff973 Mon Sep 17 00:00:00 2001
From: Michael Schwarcz <Michael.Schwarcz@arm.com>
Date: Wed, 20 Mar 2019 21:32:52 +0200
Subject: [PATCH 2/4] Add USTICKER to ARCH_PRO target

---
 targets/targets.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/targets/targets.json b/targets/targets.json
index 7126959e250..fca6d9aaeb3 100644
--- a/targets/targets.json
+++ b/targets/targets.json
@@ -663,7 +663,8 @@
             "STDIO_MESSAGES",
             "FLASH",
             "MPU",
-            "USBDEVICE"
+            "USBDEVICE",
+            "USTICKER"
         ],
         "release_versions": ["2", "5"],
         "device_name": "LPC1768",

From 0e73a83bb2fd9c97aa9b5b69e19e8d319b47cf8b Mon Sep 17 00:00:00 2001
From: Michael Schwarcz <michael.schwarcz@arm.com>
Date: Thu, 21 Mar 2019 20:55:18 +0200
Subject: [PATCH 3/4] Add USTICKER to more targets

- LPC4088
- LPC4088_DM
- MAX32600MBED
- NCS36510
- WIZWIKI_W7500
- WIZWIKI_W7500ECO
- WIZWIKI_W7500P
---
 targets/targets.json | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/targets/targets.json b/targets/targets.json
index fca6d9aaeb3..469ec025623 100644
--- a/targets/targets.json
+++ b/targets/targets.json
@@ -873,7 +873,8 @@
             "SPI",
             "SPISLAVE",
             "STDIO_MESSAGES",
-            "MPU"
+            "MPU",
+            "USTICKER"
         ],
         "device_name": "LPC4088FBD144",
         "overrides": {
@@ -5414,7 +5415,8 @@
             "SERIAL_FC",
             "SLEEP",
             "SPI",
-            "STDIO_MESSAGES"
+            "STDIO_MESSAGES",
+            "USTICKER"
         ],
         "release_versions": ["2", "5"]
     },
@@ -6486,7 +6488,8 @@
             "SERIAL",
             "SPI",
             "SPISLAVE",
-            "STDIO_MESSAGES"
+            "STDIO_MESSAGES",
+            "USTICKER"
         ],
         "release_versions": ["2", "5"]
     },
@@ -6511,7 +6514,8 @@
             "SERIAL",
             "SPI",
             "SPISLAVE",
-            "STDIO_MESSAGES"
+            "STDIO_MESSAGES",
+            "USTICKER"
         ],
         "release_versions": ["2", "5"]
     },
@@ -6535,7 +6539,8 @@
             "SERIAL",
             "SPI",
             "SPISLAVE",
-            "STDIO_MESSAGES"
+            "STDIO_MESSAGES",
+            "USTICKER"
         ],
         "release_versions": ["2", "5"]
     },
@@ -7244,7 +7249,8 @@
             "TRNG",
             "SPISLAVE",
             "802_15_4_PHY",
-            "MPU"
+            "MPU",
+            "USTICKER"
         ],
         "release_versions": ["2", "5"]
     },

From a91f17e8249e6c1948fca88a0c001832f346e89c Mon Sep 17 00:00:00 2001
From: Michael Schwarcz <michael.schwarcz@arm.com>
Date: Sun, 24 Mar 2019 18:11:58 +0200
Subject: [PATCH 4/4] LPC targets: Compile us_ticker.c only if USTICKER defined

---
 .../TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/us_ticker.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/us_ticker.c b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/us_ticker.c
index ee0090336c2..6a802653a4d 100644
--- a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/us_ticker.c
+++ b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/us_ticker.c
@@ -18,6 +18,8 @@
 #include "fsl_ctimer.h"
 #include "PeripheralNames.h"
 
+#if DEVICE_USTICKER
+
 #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
 #define CTIMER       CTIMER0
 #define CTIMER_IRQn  CTIMER0_IRQn
@@ -117,3 +119,6 @@ void us_ticker_free(void)
     NVIC_DisableIRQ(CTIMER_IRQn);
     us_ticker_inited = false;
 }
+
+#endif // DEVICE_USTICKER
+