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Merge pull request from SeeedJP/hal-wio_bg96-9450 

Wio BG96: Modified sequence of module startup
pull/9774/head
Martin Kojtal 2019-02-20 09:36:00 +01:00 committed by GitHub
parent ad2cb910f9 89bb25efc1
commit 3f46c82136
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 30 additions and 17 deletions
targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_WIO_BG96

1
targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_WIO_BG96/ONBOARD_QUECTEL_BG96.cpp
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@ -25,6 +25,7 @@ using namespace mbed;
ONBOARD_QUECTEL_BG96::ONBOARD_QUECTEL_BG96(FileHandle *fh) : QUECTEL_BG96(fh)
{
::onboard_modem_init();
}
nsapi_error_t ONBOARD_QUECTEL_BG96::hard_power_on()

46
targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_WIO_BG96/onboard_modem_api.c
View File

@ -1,5 +1,5 @@
/* mbed Microcontroller Library
* Copyright (c) 2018 Arm Limited
* Copyright (c) 2017 Arm Limited
*
* SPDX-License-Identifier: Apache-2.0
*
@ -23,6 +23,8 @@
#include "platform/mbed_wait_api.h"
#include "PinNames.h"
#define WAIT_AFTER_POWR_CHANGED (1000) // [msec.]
#if MODEM_ON_BOARD
static void press_power_button(int time_ms)
@ -30,7 +32,6 @@ 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);
}
@ -38,35 +39,46 @@ static void press_power_button(int time_ms)
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);
// Power Supply
gpio_init_out_ex(&gpio, M_POWR, 0);
// Turn On/Off
gpio_init_out_ex(&gpio, PWRKEY, 0);
gpio_init_out_ex(&gpio, RESET_MODULE, 0);
// Status Indication
gpio_init_in_ex(&gpio, MDMSTAT, PullUp);
// Main UART Interface
gpio_init_out_ex(&gpio, MDMDTR, 0);
wait_ms(WAIT_AFTER_POWR_CHANGED);
}
void onboard_modem_deinit()
{
// wio3g_mdm_powerOff();
onboard_modem_power_down();
}
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);
gpio_t gpio;
// Power supply ON
gpio_init_out_ex(&gpio, M_POWR, 1);
wait_ms(WAIT_AFTER_POWR_CHANGED);
// Turn on
wait_ms(100);
press_power_button(200);
}
void onboard_modem_power_down()
{
/* keep the power line low for 1 second */
// press_power_button(1000);
gpio_t gpio;
// gpio_write(&mpowr, M_POWR, 0);
// Power supply OFF
gpio_init_out_ex(&gpio, M_POWR, 0);
wait_ms(WAIT_AFTER_POWR_CHANGED);
}
#endif //MODEM_ON_BOARD
#endif //MBED_CONF_NSAPI_PRESENT