diff options
Diffstat (limited to 'wirish/stm32f2/wirish_digital.cpp')
-rw-r--r-- | wirish/stm32f2/wirish_digital.cpp | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/wirish/stm32f2/wirish_digital.cpp b/wirish/stm32f2/wirish_digital.cpp deleted file mode 100644 index 4d46f1c..0000000 --- a/wirish/stm32f2/wirish_digital.cpp +++ /dev/null @@ -1,99 +0,0 @@ -/****************************************************************************** - * The MIT License - * - * 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. - *****************************************************************************/ - -/* - * STM32F2 implementations for basic GPIO functionality. - */ - -#include <wirish/io.h> - -#include <libmaple/gpio.h> -#include <libmaple/timer.h> - -#include <wirish/boards.h> - -void pinMode(uint8 pin, WiringPinMode w_mode) { - if (pin >= BOARD_NR_GPIO_PINS) { - return; - } - - gpio_pin_mode mode; - // People always do the silly pin-toggle speed benchmark, so let's - // accomodate them: - unsigned flags = GPIO_MODEF_SPEED_HIGH; - bool pwm = false; - switch(w_mode) { - case OUTPUT: - mode = GPIO_MODE_OUTPUT; - break; - case OUTPUT_OPEN_DRAIN: - mode = GPIO_MODE_OUTPUT; - flags |= GPIO_MODEF_TYPE_OD; - break; - case INPUT: - case INPUT_FLOATING: - mode = GPIO_MODE_INPUT; - break; - case INPUT_ANALOG: - mode = GPIO_MODE_ANALOG; - break; - case INPUT_PULLUP: - mode = GPIO_MODE_INPUT; - flags |= GPIO_MODEF_PUPD_PU; - break; - case INPUT_PULLDOWN: - mode = GPIO_MODE_INPUT; - flags |= GPIO_MODEF_PUPD_PD; - break; - case PWM: - mode = GPIO_MODE_AF; - pwm = true; - break; - case PWM_OPEN_DRAIN: - mode = GPIO_MODE_AF; - flags |= GPIO_MODEF_TYPE_OD; - pwm = true; - break; - default: - ASSERT(0); // Can't happen - return; - } - - const stm32_pin_info *info = &PIN_MAP[pin]; - - if (pwm) { - /* If enabling PWM, tell the timer to do PWM, and tell the pin - * to listen to the right timer. */ - ASSERT(info->timer_device != NULL); - if (info->timer_device == NULL) { - return; - } - gpio_af timer_af = timer_get_af(info->timer_device); - timer_set_mode(info->timer_device, info->timer_channel, TIMER_PWM); - gpio_set_af(info->gpio_device, info->gpio_bit, timer_af); - } - gpio_set_modef(info->gpio_device, info->gpio_bit, mode, flags); -} |