2014-10-29 06:36:47 -07:00
|
|
|
/******************************************************************************
|
|
|
|
* The MIT License
|
|
|
|
*
|
|
|
|
* Copyright (c) 2010 Perry Hung.
|
|
|
|
* Copyright (c) 2012 LeafLabs, LLC.
|
|
|
|
*
|
|
|
|
* Permission is hereby granted, free of charge, to any person
|
|
|
|
* obtaining a copy of this software and associated documentation
|
|
|
|
* files (the "Software"), to deal in the Software without
|
|
|
|
* restriction, including without limitation the rights to use, copy,
|
|
|
|
* modify, merge, publish, distribute, sublicense, and/or sell copies
|
|
|
|
* of the Software, and to permit persons to whom the Software is
|
|
|
|
* furnished to do so, subject to the following conditions:
|
|
|
|
*
|
|
|
|
* The above copyright notice and this permission notice shall be
|
|
|
|
* included in all copies or substantial portions of the Software.
|
|
|
|
*
|
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
|
|
* SOFTWARE.
|
|
|
|
*****************************************************************************/
|
|
|
|
|
|
|
|
/*
|
|
|
|
* STM32F1 implementations for basic GPIO functionality.
|
|
|
|
*/
|
|
|
|
|
2014-11-21 11:46:57 -08:00
|
|
|
#include <io.h>
|
2014-10-29 06:36:47 -07:00
|
|
|
|
|
|
|
#include <libmaple/gpio.h>
|
|
|
|
#include <libmaple/timer.h>
|
|
|
|
|
2014-11-21 11:46:57 -08:00
|
|
|
#include <boards.h>
|
2014-10-29 06:36:47 -07:00
|
|
|
|
|
|
|
void pinMode(uint8 pin, WiringPinMode mode) {
|
|
|
|
gpio_pin_mode outputMode;
|
|
|
|
bool pwm = false;
|
|
|
|
|
|
|
|
if (pin >= BOARD_NR_GPIO_PINS) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch(mode) {
|
|
|
|
case OUTPUT:
|
|
|
|
outputMode = GPIO_OUTPUT_PP;
|
|
|
|
break;
|
|
|
|
case OUTPUT_OPEN_DRAIN:
|
|
|
|
outputMode = GPIO_OUTPUT_OD;
|
|
|
|
break;
|
|
|
|
case INPUT:
|
|
|
|
case INPUT_FLOATING:
|
|
|
|
outputMode = GPIO_INPUT_FLOATING;
|
|
|
|
break;
|
|
|
|
case INPUT_ANALOG:
|
|
|
|
outputMode = GPIO_INPUT_ANALOG;
|
|
|
|
break;
|
|
|
|
case INPUT_PULLUP:
|
|
|
|
outputMode = GPIO_INPUT_PU;
|
|
|
|
break;
|
|
|
|
case INPUT_PULLDOWN:
|
|
|
|
outputMode = GPIO_INPUT_PD;
|
|
|
|
break;
|
|
|
|
case PWM:
|
|
|
|
outputMode = GPIO_AF_OUTPUT_PP;
|
|
|
|
pwm = true;
|
|
|
|
break;
|
|
|
|
case PWM_OPEN_DRAIN:
|
|
|
|
outputMode = GPIO_AF_OUTPUT_OD;
|
|
|
|
pwm = true;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
ASSERT(0);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
gpio_set_mode(PIN_MAP[pin].gpio_device, PIN_MAP[pin].gpio_bit, outputMode);
|
|
|
|
|
|
|
|
if (PIN_MAP[pin].timer_device != NULL) {
|
|
|
|
/* Enable/disable timer channels if we're switching into or
|
|
|
|
* out of PWM. */
|
|
|
|
timer_set_mode(PIN_MAP[pin].timer_device,
|
|
|
|
PIN_MAP[pin].timer_channel,
|
|
|
|
pwm ? TIMER_PWM : TIMER_DISABLED);
|
|
|
|
}
|
|
|
|
}
|