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UBLOX_C027: construct a ticker-based wait, rather than calling wait_ms(), in the … #3990

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Merged
merged 1 commit into from
Mar 29, 2017
Merged

UBLOX_C027: construct a ticker-based wait, rather than calling wait_ms(), in the … #3990

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6 changes: 5 additions & 1 deletion targets/TARGET_NXP/TARGET_LPC176X/TARGET_UBLOX_C027/C027_api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
#include "gpio_api.h"
#include "mbed_wait_api.h"
#include "C027_api.h"
#include "us_ticker_api.h"

static gpio_t mdmEn, mdmLvlOe, mdmILvlOe, mdmUsbDet;
static gpio_t gpsEn;
Expand All @@ -36,7 +37,10 @@ void c027_init(void) {
// led should be off
gpio_init_out_ex(&led, LED, 0);

wait_ms(50); // when USB cable is inserted the interface chip issues
// Can't use wait_ms() as RTOS isn't initialised yet
// so this is the correct way to wait for 50 ms
uint32_t start = us_ticker_read();
while ((us_ticker_read() - start) < 50000);
}

void c027_mdm_powerOn(int usb) {
Expand Down