mbed library sources for GR-PEACH rev.B.
Fork of mbed-src by
targets/hal/TARGET_Freescale/TARGET_KLXX/port_api.c@514:cf59050bad8e, 2015-04-15 (annotated)
- Committer:
- RyoheiHagimoto
- Date:
- Wed Apr 15 01:34:29 2015 +0000
- Revision:
- 514:cf59050bad8e
- Parent:
- 363:12a245e5c745
mbed library sources for GR-PEACH rev.B.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 31:42176bc3c368 | 1 | /* mbed Microcontroller Library |
mbed_official | 31:42176bc3c368 | 2 | * Copyright (c) 2006-2013 ARM Limited |
mbed_official | 31:42176bc3c368 | 3 | * |
mbed_official | 31:42176bc3c368 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
mbed_official | 31:42176bc3c368 | 5 | * you may not use this file except in compliance with the License. |
mbed_official | 31:42176bc3c368 | 6 | * You may obtain a copy of the License at |
mbed_official | 31:42176bc3c368 | 7 | * |
mbed_official | 31:42176bc3c368 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mbed_official | 31:42176bc3c368 | 9 | * |
mbed_official | 31:42176bc3c368 | 10 | * Unless required by applicable law or agreed to in writing, software |
mbed_official | 31:42176bc3c368 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
mbed_official | 31:42176bc3c368 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mbed_official | 31:42176bc3c368 | 13 | * See the License for the specific language governing permissions and |
mbed_official | 31:42176bc3c368 | 14 | * limitations under the License. |
mbed_official | 31:42176bc3c368 | 15 | */ |
mbed_official | 31:42176bc3c368 | 16 | #include "port_api.h" |
mbed_official | 31:42176bc3c368 | 17 | #include "pinmap.h" |
mbed_official | 31:42176bc3c368 | 18 | #include "gpio_api.h" |
mbed_official | 31:42176bc3c368 | 19 | |
mbed_official | 31:42176bc3c368 | 20 | PinName port_pin(PortName port, int pin_n) { |
mbed_official | 31:42176bc3c368 | 21 | return (PinName)((port << PORT_SHIFT) | (pin_n << 2)); |
mbed_official | 31:42176bc3c368 | 22 | } |
mbed_official | 31:42176bc3c368 | 23 | |
mbed_official | 31:42176bc3c368 | 24 | void port_init(port_t *obj, PortName port, int mask, PinDirection dir) { |
mbed_official | 31:42176bc3c368 | 25 | obj->port = port; |
mbed_official | 31:42176bc3c368 | 26 | obj->mask = mask; |
mbed_official | 363:12a245e5c745 | 27 | #if defined(TARGET_KL43Z) |
mbed_official | 363:12a245e5c745 | 28 | GPIO_Type *reg = (GPIO_Type *)(GPIOA_BASE + port * 0x40); |
mbed_official | 363:12a245e5c745 | 29 | #else |
mbed_official | 31:42176bc3c368 | 30 | FGPIO_Type *reg = (FGPIO_Type *)(FPTA_BASE + port * 0x40); |
mbed_official | 363:12a245e5c745 | 31 | #endif |
mbed_official | 31:42176bc3c368 | 32 | obj->reg_out = ®->PDOR; |
mbed_official | 31:42176bc3c368 | 33 | obj->reg_in = ®->PDIR; |
mbed_official | 31:42176bc3c368 | 34 | obj->reg_dir = ®->PDDR; |
mbed_official | 31:42176bc3c368 | 35 | |
mbed_official | 31:42176bc3c368 | 36 | uint32_t i; |
mbed_official | 31:42176bc3c368 | 37 | // The function is set per pin: reuse gpio logic |
mbed_official | 31:42176bc3c368 | 38 | for (i=0; i<32; i++) { |
mbed_official | 31:42176bc3c368 | 39 | if (obj->mask & (1<<i)) { |
mbed_official | 31:42176bc3c368 | 40 | gpio_set(port_pin(obj->port, i)); |
mbed_official | 31:42176bc3c368 | 41 | } |
mbed_official | 31:42176bc3c368 | 42 | } |
mbed_official | 31:42176bc3c368 | 43 | |
mbed_official | 31:42176bc3c368 | 44 | port_dir(obj, dir); |
mbed_official | 31:42176bc3c368 | 45 | } |
mbed_official | 31:42176bc3c368 | 46 | |
mbed_official | 31:42176bc3c368 | 47 | void port_mode(port_t *obj, PinMode mode) { |
mbed_official | 31:42176bc3c368 | 48 | uint32_t i; |
mbed_official | 31:42176bc3c368 | 49 | // The mode is set per pin: reuse pinmap logic |
mbed_official | 31:42176bc3c368 | 50 | for (i=0; i<32; i++) { |
mbed_official | 31:42176bc3c368 | 51 | if (obj->mask & (1<<i)) { |
mbed_official | 31:42176bc3c368 | 52 | pin_mode(port_pin(obj->port, i), mode); |
mbed_official | 31:42176bc3c368 | 53 | } |
mbed_official | 31:42176bc3c368 | 54 | } |
mbed_official | 31:42176bc3c368 | 55 | } |
mbed_official | 31:42176bc3c368 | 56 | |
mbed_official | 31:42176bc3c368 | 57 | void port_dir(port_t *obj, PinDirection dir) { |
mbed_official | 31:42176bc3c368 | 58 | switch (dir) { |
mbed_official | 31:42176bc3c368 | 59 | case PIN_INPUT : *obj->reg_dir &= ~obj->mask; break; |
mbed_official | 31:42176bc3c368 | 60 | case PIN_OUTPUT: *obj->reg_dir |= obj->mask; break; |
mbed_official | 31:42176bc3c368 | 61 | } |
mbed_official | 31:42176bc3c368 | 62 | } |
mbed_official | 31:42176bc3c368 | 63 | |
mbed_official | 31:42176bc3c368 | 64 | void port_write(port_t *obj, int value) { |
mbed_official | 31:42176bc3c368 | 65 | *obj->reg_out = (*obj->reg_in & ~obj->mask) | (value & obj->mask); |
mbed_official | 31:42176bc3c368 | 66 | } |
mbed_official | 31:42176bc3c368 | 67 | |
mbed_official | 31:42176bc3c368 | 68 | int port_read(port_t *obj) { |
mbed_official | 31:42176bc3c368 | 69 | return (*obj->reg_in & obj->mask); |
mbed_official | 31:42176bc3c368 | 70 | } |