Diff: mbed-dev-master/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_WIO_3G/onboard_modem_api.c

Revision:

0:bb348c97df44

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-dev-master/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_WIO_3G/onboard_modem_api.c	Wed Sep 16 01:11:49 2020 +0000
@@ -0,0 +1,70 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2017 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#if MBED_CONF_NSAPI_PRESENT
+
+#include "cellular/onboard_modem_api.h"
+#include "gpio_api.h"
+#include "platform/mbed_wait_api.h"
+#include "PinNames.h"
+
+#if MODEM_ON_BOARD
+
+static void press_power_button(int time_ms)
+{
+    gpio_t gpio;
+
+    gpio_init_out_ex(&gpio, PWRKEY, 1);
+    gpio_write(&gpio, 1);
+    wait_ms(time_ms);
+    gpio_write(&gpio, 0);
+}
+
+void onboard_modem_init()
+{
+    gpio_t gpio;
+    // start with modem disabled
+    gpio_init_out_ex(&gpio, RESET_MODULE, 0);
+    gpio_init_in_ex(&gpio, MDMSTAT, PullUp);
+    gpio_init_out_ex(&gpio, MDMDTR,       0);
+    gpio_init_out_ex(&gpio, M_POWR, 1);
+
+//    gpio_write(&gpio, M_POWR, 1);
+    wait_ms(500);
+}
+
+void onboard_modem_deinit()
+{
+//    wio3g_mdm_powerOff();
+}
+
+void onboard_modem_power_up()
+{
+    /* keep the power line HIGH for 200 milisecond */
+    press_power_button(200);
+    /* give modem a little time to respond */
+    wait_ms(100);
+}
+
+void onboard_modem_power_down()
+{
+    /* keep the power line low for 1 second */
+//    press_power_button(1000);
+
+//    gpio_write(&mpowr, M_POWR, 0);
+}
+#endif //MODEM_ON_BOARD
+#endif //MBED_CONF_NSAPI_PRESENT