added prescaler for 16 bit pwm in LPC1347 target
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Diff: targets/hal/TARGET_Freescale/TARGET_K20XX/port_api.c
- Revision:
- 144:ef7eb2e8f9f7
- Parent:
- 0:9b334a45a8ff
--- a/targets/hal/TARGET_Freescale/TARGET_K20XX/port_api.c Tue Aug 02 14:07:36 2016 +0000 +++ b/targets/hal/TARGET_Freescale/TARGET_K20XX/port_api.c Fri Sep 02 15:07:44 2016 +0100 @@ -1,72 +1,72 @@ -/* 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 "port_api.h" -#include "pinmap.h" -#include "gpio_api.h" - -PinName port_pin(PortName port, int pin_n) { - return (PinName)((port << PORT_SHIFT) | (pin_n << 2)); -} - -void port_init(port_t *obj, PortName port, int mask, PinDirection dir) { - obj->port = port; - obj->mask = mask; - - GPIO_Type *reg = (GPIO_Type *)(PTA_BASE + port * 0x40); - - obj->reg_out = ®->PDOR; - obj->reg_in = ®->PDIR; - obj->reg_dir = ®->PDDR; - - uint32_t i; - // The function is set per pin: reuse gpio logic - for (i=0; i<32; i++) { - if (obj->mask & (1<<i)) { - gpio_set(port_pin(obj->port, i)); - } - } - - port_dir(obj, dir); -} - -void port_mode(port_t *obj, PinMode mode) { - uint32_t i; - // The mode is set per pin: reuse pinmap logic - for (i=0; i<32; i++) { - if (obj->mask & (1<<i)) { - pin_mode(port_pin(obj->port, i), mode); - } - } -} - -void port_dir(port_t *obj, PinDirection dir) { - switch (dir) { - case PIN_INPUT : - *obj->reg_dir &= ~obj->mask; - break; - case PIN_OUTPUT: - *obj->reg_dir |= obj->mask; - break; - } -} - -void port_write(port_t *obj, int value) { - *obj->reg_out = (*obj->reg_in & ~obj->mask) | (value & obj->mask); -} - -int port_read(port_t *obj) { - return (*obj->reg_in & obj->mask); -} +/* 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 "port_api.h" +#include "pinmap.h" +#include "gpio_api.h" + +PinName port_pin(PortName port, int pin_n) { + return (PinName)((port << PORT_SHIFT) | (pin_n << 2)); +} + +void port_init(port_t *obj, PortName port, int mask, PinDirection dir) { + obj->port = port; + obj->mask = mask; + + GPIO_Type *reg = (GPIO_Type *)(PTA_BASE + port * 0x40); + + obj->reg_out = ®->PDOR; + obj->reg_in = ®->PDIR; + obj->reg_dir = ®->PDDR; + + uint32_t i; + // The function is set per pin: reuse gpio logic + for (i=0; i<32; i++) { + if (obj->mask & (1<<i)) { + gpio_set(port_pin(obj->port, i)); + } + } + + port_dir(obj, dir); +} + +void port_mode(port_t *obj, PinMode mode) { + uint32_t i; + // The mode is set per pin: reuse pinmap logic + for (i=0; i<32; i++) { + if (obj->mask & (1<<i)) { + pin_mode(port_pin(obj->port, i), mode); + } + } +} + +void port_dir(port_t *obj, PinDirection dir) { + switch (dir) { + case PIN_INPUT : + *obj->reg_dir &= ~obj->mask; + break; + case PIN_OUTPUT: + *obj->reg_dir |= obj->mask; + break; + } +} + +void port_write(port_t *obj, int value) { + *obj->reg_out = (*obj->reg_in & ~obj->mask) | (value & obj->mask); +} + +int port_read(port_t *obj) { + return (*obj->reg_in & obj->mask); +}