ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge pull request #155 from sg-/c027_lpc1768_refactor 

Forgot to add this file...
pull/159/merge
Bogdan Marinescu 2014-01-31 00:54:56 -08:00
parent dba523f83f 1db40f89a7
commit 6c4dc5cd33
1 changed files with 39 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC176X/TARGET_UBLOX_C027/platform_init.c Normal file
View File

@ -0,0 +1,39 @@
#include "gpio_api.h"
#include "wait_api.h"
// called before main
void mbed_main()
{
gpio_t modemEn, modemRst, modemPwrOn, modemLvlOe, modemILvlOe, modemUsbDet;
gpio_t gpsEn, gpsRst, led, modemRts;
gpio_init(&modemEn, MDMEN, PIN_OUTPUT);
gpio_init(&modemRst, MDMRST, PIN_OUTPUT);
gpio_init(&modemPwrOn, MDMPWRON, PIN_OUTPUT);
gpio_init(&modemLvlOe, MDMLVLOE, PIN_OUTPUT);
gpio_init(&modemILvlOe, MDMILVLOE, PIN_OUTPUT);
gpio_init(&modemUsbDet, MDMUSBDET, PIN_OUTPUT);
gpio_init(&gpsEn, GPSEN, PIN_OUTPUT);
gpio_init(&gpsRst, GPSRST, PIN_OUTPUT);
gpio_init(&led, LED, PIN_OUTPUT);
gpio_init(&modemRts, MDMRTS, PIN_OUTPUT);
gpio_write(&led, 0); // LED1: 0=off
gpio_write(&modemRts, 0); // RTS: 0=ready to send
// we start with the gps disabled
gpio_write(&gpsEn, 0); // LDOEN: 1=on,0=off
gpio_write(&gpsRst, 0); // RESET: 0=reset,1=operating
// we start with the modem disabled
gpio_write(&modemLvlOe, 1); // LVLEN: 1=disabled (uart/gpio)
gpio_write(&modemILvlOe, 0); // ILVLEN: 0=disabled (i2c)
gpio_write(&modemUsbDet, 0); // USBDET: 0=disabled
gpio_write(&modemPwrOn, 1); // PWRON: 1=idle, 0=action
gpio_write(&modemEn, 0); // LDOEN: 1=on, 0=off
gpio_write(&modemRst, 0); // RESET: 0=reset, 1=operating
wait_ms(50); // when USB cable is inserted the interface chip issues
// multiple resets to the target CPU We wait here for a short period to
// prevent those resets from propagating to the modem and other
// components.
}