added prescaler for 16 bit pwm in LPC1347 target
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Diff: targets/hal/TARGET_Freescale/TARGET_K20XX/gpio_api.c
- Revision:
- 144:ef7eb2e8f9f7
- Parent:
- 0:9b334a45a8ff
diff -r 423e1876dc07 -r ef7eb2e8f9f7 targets/hal/TARGET_Freescale/TARGET_K20XX/gpio_api.c --- a/targets/hal/TARGET_Freescale/TARGET_K20XX/gpio_api.c Tue Aug 02 14:07:36 2016 +0000 +++ b/targets/hal/TARGET_Freescale/TARGET_K20XX/gpio_api.c Fri Sep 02 15:07:44 2016 +0100 @@ -1,56 +1,56 @@ -/* mbed Microcontroller Library - * Copyright (c) 2006-2015 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); - pin_function(pin, 1); - return 1 << ((pin & 0x7F) >> 2); -} - -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; - - GPIO_Type *reg = (GPIO_Type *)(PTA_BASE + port * 0x40); - obj->reg_set = ®->PSOR; - obj->reg_clr = ®->PCOR; - obj->reg_in = ®->PDIR; - obj->reg_dir = ®->PDDR; -} - -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; - } -} +/* mbed Microcontroller Library + * Copyright (c) 2006-2015 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); + pin_function(pin, 1); + return 1 << ((pin & 0x7F) >> 2); +} + +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; + + GPIO_Type *reg = (GPIO_Type *)(PTA_BASE + port * 0x40); + obj->reg_set = ®->PSOR; + obj->reg_clr = ®->PCOR; + obj->reg_in = ®->PDIR; + obj->reg_dir = ®->PDDR; +} + +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; + } +}