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| author | Perry Hung <iperry@alum.mit.edu> | 2010-03-30 22:03:00 -0400 |
|---|---|---|
| committer | Perry Hung <iperry@alum.mit.edu> | 2010-03-30 22:03:00 -0400 |
| commit | 2c33d55bae8f9e0e009634072ab05302fc734a65 (patch) | |
| tree | 63285f96e795fc423cd5bf573340d12f6c8d5513 /src/lib/gpio.c | |
| parent | 23149e9706ff0a6a338e13804456dff4c655e34b (diff) | |
| parent | 1d3861ef93f8423176c6010ab606abdab00a7cbd (diff) | |
| download | librambutan-2c33d55bae8f9e0e009634072ab05302fc734a65.tar.gz librambutan-2c33d55bae8f9e0e009634072ab05302fc734a65.zip | |
Merge branch 'master' into rcc-dev
Conflicts:
Makefile
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; -} |
