diff options
Diffstat (limited to 'src/lib/gpio.c')
| -rw-r--r-- | src/lib/gpio.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/src/lib/gpio.c b/src/lib/gpio.c deleted file mode 100644 index 39341af..0000000 --- a/src/lib/gpio.c +++ /dev/null @@ -1,53 +0,0 @@ -/* ***************************************************************************** - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - * Created: 12/18/09 02:35:49 - * Copyright (c) 2009 Perry L. Hung. All rights reserved. - * - * ****************************************************************************/ - -/** - * @file gpio.c - * - * @brief GPIO initialization routine - */ - -#include "libmaple.h" -#include "rcc.h" -#include "gpio.h" - -void gpio_init(void) { - rcc_enable_clk_gpioa(); - rcc_enable_clk_gpiob(); - rcc_enable_clk_gpioc(); - rcc_enable_clk_gpiod(); - rcc_enable_clk_afio(); -} - -void gpio_set_mode(GPIO_Port* port, uint8 gpio_pin, uint8 mode) { - uint32_t tmp; - uint32_t shift = POS(gpio_pin % 8); - GPIOReg CR; - - ASSERT(port); - ASSERT(gpio_pin < 16); - - CR = (gpio_pin < 8) ? &(port->CRL) : &(port->CRH); - - tmp = *CR; - tmp &= POS_MASK(shift); - tmp |= mode << shift; - - *CR = tmp; -} |
