mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_K64F/port_api.c@149:1fb5f62b92bd, 2014-04-03 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Apr 03 11:45:06 2014 +0100
- Revision:
- 149:1fb5f62b92bd
- Parent:
- targets/hal/TARGET_Freescale/TARGET_KSDK_MCUS/TARGET_K64F/port_api.c@146:f64d43ff0c18
- Child:
- 150:49699a7d7064
Synchronized with git revision 220c0bb39ceee40016e1e86350c058963d01ed42
Full URL: https://github.com/mbedmicro/mbed/commit/220c0bb39ceee40016e1e86350c058963d01ed42/
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 146:f64d43ff0c18 | 1 | /* mbed Microcontroller Library |
mbed_official | 146:f64d43ff0c18 | 2 | * Copyright (c) 2006-2013 ARM Limited |
mbed_official | 146:f64d43ff0c18 | 3 | * |
mbed_official | 146:f64d43ff0c18 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
mbed_official | 146:f64d43ff0c18 | 5 | * you may not use this file except in compliance with the License. |
mbed_official | 146:f64d43ff0c18 | 6 | * You may obtain a copy of the License at |
mbed_official | 146:f64d43ff0c18 | 7 | * |
mbed_official | 146:f64d43ff0c18 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mbed_official | 146:f64d43ff0c18 | 9 | * |
mbed_official | 146:f64d43ff0c18 | 10 | * Unless required by applicable law or agreed to in writing, software |
mbed_official | 146:f64d43ff0c18 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
mbed_official | 146:f64d43ff0c18 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mbed_official | 146:f64d43ff0c18 | 13 | * See the License for the specific language governing permissions and |
mbed_official | 146:f64d43ff0c18 | 14 | * limitations under the License. |
mbed_official | 146:f64d43ff0c18 | 15 | */ |
mbed_official | 146:f64d43ff0c18 | 16 | #include "port_api.h" |
mbed_official | 146:f64d43ff0c18 | 17 | #include "pinmap.h" |
mbed_official | 146:f64d43ff0c18 | 18 | #include "gpio_api.h" |
mbed_official | 146:f64d43ff0c18 | 19 | |
mbed_official | 146:f64d43ff0c18 | 20 | PinName port_pin(PortName port, int pin_n) { |
mbed_official | 146:f64d43ff0c18 | 21 | return (PinName)((port << GPIO_PORT_SHIFT) | pin_n); |
mbed_official | 146:f64d43ff0c18 | 22 | } |
mbed_official | 146:f64d43ff0c18 | 23 | |
mbed_official | 146:f64d43ff0c18 | 24 | void port_init(port_t *obj, PortName port, int mask, PinDirection dir) { |
mbed_official | 146:f64d43ff0c18 | 25 | obj->port = port; |
mbed_official | 146:f64d43ff0c18 | 26 | obj->mask = mask; |
mbed_official | 146:f64d43ff0c18 | 27 | |
mbed_official | 146:f64d43ff0c18 | 28 | // The function is set per pin: reuse gpio logic |
mbed_official | 146:f64d43ff0c18 | 29 | for (uint32_t i = 0; i < 32; i++) { |
mbed_official | 146:f64d43ff0c18 | 30 | if (obj->mask & (1 << i)) { |
mbed_official | 146:f64d43ff0c18 | 31 | gpio_set(port_pin(obj->port, i)); |
mbed_official | 146:f64d43ff0c18 | 32 | } |
mbed_official | 146:f64d43ff0c18 | 33 | } |
mbed_official | 146:f64d43ff0c18 | 34 | |
mbed_official | 146:f64d43ff0c18 | 35 | port_dir(obj, dir); |
mbed_official | 146:f64d43ff0c18 | 36 | } |
mbed_official | 146:f64d43ff0c18 | 37 | |
mbed_official | 146:f64d43ff0c18 | 38 | void port_mode(port_t *obj, PinMode mode) { |
mbed_official | 146:f64d43ff0c18 | 39 | |
mbed_official | 146:f64d43ff0c18 | 40 | // The mode is set per pin: reuse pinmap logic |
mbed_official | 146:f64d43ff0c18 | 41 | for (uint32_t i = 0; i < 32; i++) { |
mbed_official | 146:f64d43ff0c18 | 42 | if (obj->mask & (1 << i)) { |
mbed_official | 146:f64d43ff0c18 | 43 | pin_mode(port_pin(obj->port, i), mode); |
mbed_official | 146:f64d43ff0c18 | 44 | } |
mbed_official | 146:f64d43ff0c18 | 45 | } |
mbed_official | 146:f64d43ff0c18 | 46 | } |
mbed_official | 146:f64d43ff0c18 | 47 | |
mbed_official | 146:f64d43ff0c18 | 48 | void port_dir(port_t *obj, PinDirection dir) { |
mbed_official | 146:f64d43ff0c18 | 49 | switch (dir) { |
mbed_official | 146:f64d43ff0c18 | 50 | case PIN_INPUT : |
mbed_official | 146:f64d43ff0c18 | 51 | gpio_hal_set_port_direction((uint32_t)obj->port, kGpioDigitalInput); |
mbed_official | 146:f64d43ff0c18 | 52 | break; |
mbed_official | 146:f64d43ff0c18 | 53 | case PIN_OUTPUT: |
mbed_official | 146:f64d43ff0c18 | 54 | gpio_hal_set_port_direction((uint32_t)obj->port, kGpioDigitalOutput); |
mbed_official | 146:f64d43ff0c18 | 55 | break; |
mbed_official | 146:f64d43ff0c18 | 56 | } |
mbed_official | 146:f64d43ff0c18 | 57 | } |
mbed_official | 146:f64d43ff0c18 | 58 | |
mbed_official | 146:f64d43ff0c18 | 59 | void port_write(port_t *obj, int value) { |
mbed_official | 146:f64d43ff0c18 | 60 | gpio_hal_write_port_output((uint32_t)obj->port, (uint32_t)(value & obj->mask)); |
mbed_official | 146:f64d43ff0c18 | 61 | } |
mbed_official | 146:f64d43ff0c18 | 62 | |
mbed_official | 146:f64d43ff0c18 | 63 | int port_read(port_t *obj) { |
mbed_official | 146:f64d43ff0c18 | 64 | return (int)(gpio_hal_read_port_input((uint32_t)obj->port) & obj->mask); |
mbed_official | 146:f64d43ff0c18 | 65 | } |