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cc3200: Assign GPIO10 and GPIO11 to the GPIO peripheral on start-up.

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danicampora 2015-03-16 13:46:11 +01:00
parent ea43fa104e
commit 98b8568362
1 changed files with 6 additions and 0 deletions
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6
cc3200/mods/pybpin.c
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@ -45,6 +45,7 @@
#include "gpio.h"
#include "interrupt.h"
#include "pybpin.h"
#include "pins.h"
#include "pybsleep.h"
#include "mpcallback.h"
#include "mpexception.h"
@ -154,6 +155,11 @@ STATIC pybpin_wake_pin_t pybpin_wake_pin[PYBPIN_NUM_WAKE_PINS] =
DEFINE PUBLIC FUNCTIONS
******************************************************************************/
void pin_init0(void) {
// assign GPIO10 and GPIO11 to the GPIO peripheral (the default is I2C), so that the I2C bus can
// be assigned safely to any other pins (as recomended by the SDK release notes). Make them
// inputs with pull-downs enabled to ensure they are not floating during LDPS and hibernate.
pin_config ((pin_obj_t *)&pin_GPIO10, PIN_MODE_0, GPIO_DIR_MODE_IN, PIN_TYPE_STD_PD, PIN_STRENGTH_2MA);
pin_config ((pin_obj_t *)&pin_GPIO11, PIN_MODE_0, GPIO_DIR_MODE_IN, PIN_TYPE_STD_PD, PIN_STRENGTH_2MA);
}
// C API used to convert a user-supplied pin name into an ordinal pin number.