diff options
Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11UXX/gpio_api.c')
-rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11UXX/gpio_api.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11UXX/gpio_api.c b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11UXX/gpio_api.c new file mode 100644 index 0000000000..8a5a55a5e0 --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11UXX/gpio_api.c @@ -0,0 +1,64 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "mbed_assert.h" +#include "gpio_api.h" +#include "pinmap.h" + +uint32_t gpio_set(PinName pin) { + MBED_ASSERT(pin != (PinName)NC); + int f = ((pin == P0_0) || + (pin == P0_10) || + (pin == P0_11) || + (pin == P0_12) || + (pin == P0_13) || + (pin == P0_14) || + (pin == P0_15)) ? (1) : (0); + + pin_function(pin, f); + + return (1 << ((int)pin & 0x1F)); +} + +void gpio_init(gpio_t *obj, PinName pin) { + obj->pin = pin; + if (pin == (PinName)NC) + return; + + obj->mask = gpio_set(pin); + + unsigned int port = (unsigned int)pin >> PORT_SHIFT; + + obj->reg_set = &LPC_GPIO->SET[port]; + obj->reg_clr = &LPC_GPIO->CLR[port]; + obj->reg_in = &LPC_GPIO->PIN[port]; + obj->reg_dir = &LPC_GPIO->DIR[port]; +} + +void gpio_mode(gpio_t *obj, PinMode mode) { + pin_mode(obj->pin, mode); +} + +void gpio_dir(gpio_t *obj, PinDirection direction) { + MBED_ASSERT(obj->pin != (PinName)NC); + switch (direction) { + case PIN_INPUT : + *obj->reg_dir &= ~obj->mask; + break; + case PIN_OUTPUT: + *obj->reg_dir |= obj->mask; + break; + } +} |