Fawwaz Nadzmy / mbed-dev

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targets/TARGET_NXP/TARGET_LPC176X/TARGET_UBLOX_C027/C027_api.c@149:156823d33999, 2016-10-28 (annotated)

Committer:
<>
Date:
Fri Oct 28 11:17:30 2016 +0100
Revision:
149:156823d33999
Parent:
targets/hal/TARGET_NXP/TARGET_LPC176X/TARGET_UBLOX_C027/C027_api.c@144:ef7eb2e8f9f7 
This updates the lib to the mbed lib v128



NOTE: This release includes a restructuring of the file and directory locations and thus some

include paths in your code may need updating accordingly.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /* mbed Microcontroller Library
<> 144:ef7eb2e8f9f7 2 * Copyright (c) 2006-2013 ARM Limited
<> 144:ef7eb2e8f9f7 3 *
<> 144:ef7eb2e8f9f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 144:ef7eb2e8f9f7 5 * you may not use this file except in compliance with the License.
<> 144:ef7eb2e8f9f7 6 * You may obtain a copy of the License at
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 144:ef7eb2e8f9f7 9 *
<> 144:ef7eb2e8f9f7 10 * Unless required by applicable law or agreed to in writing, software
<> 144:ef7eb2e8f9f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 144:ef7eb2e8f9f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 144:ef7eb2e8f9f7 13 * See the License for the specific language governing permissions and
<> 144:ef7eb2e8f9f7 14 * limitations under the License.
<> 144:ef7eb2e8f9f7 15 */
<> 144:ef7eb2e8f9f7 16 #include "gpio_api.h"
<> 144:ef7eb2e8f9f7 17 #include "wait_api.h"
<> 144:ef7eb2e8f9f7 18 #include "C027_api.h"
<> 144:ef7eb2e8f9f7 19
<> 144:ef7eb2e8f9f7 20 static gpio_t mdmEn, mdmLvlOe, mdmILvlOe, mdmUsbDet;
<> 144:ef7eb2e8f9f7 21 static gpio_t gpsEn;
<> 144:ef7eb2e8f9f7 22
<> 144:ef7eb2e8f9f7 23 void c027_init(void) {
<> 144:ef7eb2e8f9f7 24 gpio_t led, mdmRts, mdmRst, gpsRst, mdmPwrOn;
<> 144:ef7eb2e8f9f7 25 // start with modem disabled
<> 144:ef7eb2e8f9f7 26 gpio_init_out_ex(&mdmEn, MDMEN, 0);
<> 144:ef7eb2e8f9f7 27 gpio_init_out_ex(&mdmRst, MDMRST, 1);
<> 144:ef7eb2e8f9f7 28 gpio_init_out_ex(&mdmPwrOn, MDMPWRON, 1);
<> 144:ef7eb2e8f9f7 29 gpio_init_out_ex(&mdmLvlOe, MDMLVLOE, 1); // LVLEN: 1=disabled
<> 144:ef7eb2e8f9f7 30 gpio_init_out_ex(&mdmILvlOe, MDMILVLOE, 0); // ILVLEN: 0=disabled
<> 144:ef7eb2e8f9f7 31 gpio_init_out_ex(&mdmUsbDet, MDMUSBDET, 0);
<> 144:ef7eb2e8f9f7 32 gpio_init_out_ex(&mdmRts, MDMRTS, 0);
<> 144:ef7eb2e8f9f7 33 // start with gps disabled
<> 144:ef7eb2e8f9f7 34 gpio_init_out_ex(&gpsEn, GPSEN, 0);
<> 144:ef7eb2e8f9f7 35 gpio_init_out_ex(&gpsRst, GPSRST, 1);
<> 144:ef7eb2e8f9f7 36 // led should be off
<> 144:ef7eb2e8f9f7 37 gpio_init_out_ex(&led, LED, 0);
<> 144:ef7eb2e8f9f7 38
<> 144:ef7eb2e8f9f7 39 wait_ms(50); // when USB cable is inserted the interface chip issues
<> 144:ef7eb2e8f9f7 40 }
<> 144:ef7eb2e8f9f7 41
<> 144:ef7eb2e8f9f7 42 void c027_mdm_powerOn(int usb) {
<> 144:ef7eb2e8f9f7 43 // turn on the mode by enabling power with power on pin low and correct USB detect level
<> 144:ef7eb2e8f9f7 44 gpio_write(&mdmUsbDet, usb ? 1 : 0); // USBDET: 0=disabled, 1=enabled
<> 144:ef7eb2e8f9f7 45 if (!gpio_read(&mdmEn)) { // enable modem
<> 144:ef7eb2e8f9f7 46 gpio_write(&mdmEn, 1); // LDOEN: 1=on
<> 144:ef7eb2e8f9f7 47 wait_ms(1); // wait until supply switched off
<> 144:ef7eb2e8f9f7 48 // now we can safely enable the level shifters
<> 144:ef7eb2e8f9f7 49 gpio_write(&mdmLvlOe, 0); // LVLEN: 0=enabled (uart/gpio)
<> 144:ef7eb2e8f9f7 50 if (gpio_read(&gpsEn))
<> 144:ef7eb2e8f9f7 51 gpio_write(&mdmILvlOe, 1); // ILVLEN: 1=enabled (i2c)
<> 144:ef7eb2e8f9f7 52 }
<> 144:ef7eb2e8f9f7 53 }
<> 144:ef7eb2e8f9f7 54
<> 144:ef7eb2e8f9f7 55 void c027_mdm_powerOff(void) {
<> 144:ef7eb2e8f9f7 56 if (gpio_read(&mdmEn)) {
<> 144:ef7eb2e8f9f7 57 // diable all level shifters
<> 144:ef7eb2e8f9f7 58 gpio_write(&mdmILvlOe, 0); // ILVLEN: 0=disabled (i2c)
<> 144:ef7eb2e8f9f7 59 gpio_write(&mdmLvlOe, 1); // LVLEN: 1=disabled (uart/gpio)
<> 144:ef7eb2e8f9f7 60 gpio_write(&mdmUsbDet, 0); // USBDET: 0=disabled
<> 144:ef7eb2e8f9f7 61 // now we can savely switch off the ldo
<> 144:ef7eb2e8f9f7 62 gpio_write(&mdmEn, 0); // LDOEN: 0=off
<> 144:ef7eb2e8f9f7 63 }
<> 144:ef7eb2e8f9f7 64 }
<> 144:ef7eb2e8f9f7 65
<> 144:ef7eb2e8f9f7 66 void c027_gps_powerOn(void) {
<> 144:ef7eb2e8f9f7 67 if (!gpio_read(&gpsEn)) {
<> 144:ef7eb2e8f9f7 68 // switch on power supply
<> 144:ef7eb2e8f9f7 69 gpio_write(&gpsEn, 1); // LDOEN: 1=on
<> 144:ef7eb2e8f9f7 70 wait_ms(1); // wait until supply switched off
<> 144:ef7eb2e8f9f7 71 if (gpio_read(&mdmEn))
<> 144:ef7eb2e8f9f7 72 gpio_write(&mdmILvlOe, 1); // ILVLEN: 1=enabled (i2c)
<> 144:ef7eb2e8f9f7 73 }
<> 144:ef7eb2e8f9f7 74 }
<> 144:ef7eb2e8f9f7 75
<> 144:ef7eb2e8f9f7 76 void c027_gps_powerOff(void) {
<> 144:ef7eb2e8f9f7 77 if (gpio_read(&gpsEn)) {
<> 144:ef7eb2e8f9f7 78 gpio_write(&mdmILvlOe, 0); // ILVLEN: 0=disabled (i2c)
<> 144:ef7eb2e8f9f7 79 gpio_write(&gpsEn, 0); // LDOEN: 0=off
<> 144:ef7eb2e8f9f7 80 }
<> 144:ef7eb2e8f9f7 81 }