Mike Pulice / ublox_C200Test

Integrating the ublox LISA C200 modem

Fork of SprintUSBModemHTTPClientTest by Donatien Garnier

mbed-src/targets/hal/TARGET_NXP/TARGET_LPC176X/port_api.c@5:3f93dd1d4cb3, 2013-09-26 (annotated)

Committer:
sam_grove
Date:
Thu Sep 26 00:44:20 2013 -0500
Revision:
5:3f93dd1d4cb3
Exported program and replaced contents of the repo with the source

to build and debug using keil mdk. Libs NOT upto date are lwip, lwip-sys

and socket. these have newer versions under mbed_official but were starting

from a know working point

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sam_grove 5:3f93dd1d4cb3 1 /* mbed Microcontroller Library
sam_grove 5:3f93dd1d4cb3 2 * Copyright (c) 2006-2013 ARM Limited
sam_grove 5:3f93dd1d4cb3 3 *
sam_grove 5:3f93dd1d4cb3 4 * Licensed under the Apache License, Version 2.0 (the "License");
sam_grove 5:3f93dd1d4cb3 5 * you may not use this file except in compliance with the License.
sam_grove 5:3f93dd1d4cb3 6 * You may obtain a copy of the License at
sam_grove 5:3f93dd1d4cb3 7 *
sam_grove 5:3f93dd1d4cb3 8 * http://www.apache.org/licenses/LICENSE-2.0
sam_grove 5:3f93dd1d4cb3 9 *
sam_grove 5:3f93dd1d4cb3 10 * Unless required by applicable law or agreed to in writing, software
sam_grove 5:3f93dd1d4cb3 11 * distributed under the License is distributed on an "AS IS" BASIS,
sam_grove 5:3f93dd1d4cb3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sam_grove 5:3f93dd1d4cb3 13 * See the License for the specific language governing permissions and
sam_grove 5:3f93dd1d4cb3 14 * limitations under the License.
sam_grove 5:3f93dd1d4cb3 15 */
sam_grove 5:3f93dd1d4cb3 16 #include "port_api.h"
sam_grove 5:3f93dd1d4cb3 17 #include "pinmap.h"
sam_grove 5:3f93dd1d4cb3 18 #include "gpio_api.h"
sam_grove 5:3f93dd1d4cb3 19
sam_grove 5:3f93dd1d4cb3 20 PinName port_pin(PortName port, int pin_n) {
sam_grove 5:3f93dd1d4cb3 21 return (PinName)(LPC_GPIO0_BASE + ((port << PORT_SHIFT) | pin_n));
sam_grove 5:3f93dd1d4cb3 22 }
sam_grove 5:3f93dd1d4cb3 23
sam_grove 5:3f93dd1d4cb3 24 void port_init(port_t *obj, PortName port, int mask, PinDirection dir) {
sam_grove 5:3f93dd1d4cb3 25 obj->port = port;
sam_grove 5:3f93dd1d4cb3 26 obj->mask = mask;
sam_grove 5:3f93dd1d4cb3 27
sam_grove 5:3f93dd1d4cb3 28 LPC_GPIO_TypeDef *port_reg = (LPC_GPIO_TypeDef *)(LPC_GPIO0_BASE + ((int)port * 0x20));
sam_grove 5:3f93dd1d4cb3 29
sam_grove 5:3f93dd1d4cb3 30 // Do not use masking, because it prevents the use of the unmasked pins
sam_grove 5:3f93dd1d4cb3 31 // port_reg->FIOMASK = ~mask;
sam_grove 5:3f93dd1d4cb3 32
sam_grove 5:3f93dd1d4cb3 33 obj->reg_out = &port_reg->FIOPIN;
sam_grove 5:3f93dd1d4cb3 34 obj->reg_in = &port_reg->FIOPIN;
sam_grove 5:3f93dd1d4cb3 35 obj->reg_dir = &port_reg->FIODIR;
sam_grove 5:3f93dd1d4cb3 36
sam_grove 5:3f93dd1d4cb3 37 uint32_t i;
sam_grove 5:3f93dd1d4cb3 38 // The function is set per pin: reuse gpio logic
sam_grove 5:3f93dd1d4cb3 39 for (i=0; i<32; i++) {
sam_grove 5:3f93dd1d4cb3 40 if (obj->mask & (1<<i)) {
sam_grove 5:3f93dd1d4cb3 41 gpio_set(port_pin(obj->port, i));
sam_grove 5:3f93dd1d4cb3 42 }
sam_grove 5:3f93dd1d4cb3 43 }
sam_grove 5:3f93dd1d4cb3 44
sam_grove 5:3f93dd1d4cb3 45 port_dir(obj, dir);
sam_grove 5:3f93dd1d4cb3 46 }
sam_grove 5:3f93dd1d4cb3 47
sam_grove 5:3f93dd1d4cb3 48 void port_mode(port_t *obj, PinMode mode) {
sam_grove 5:3f93dd1d4cb3 49 uint32_t i;
sam_grove 5:3f93dd1d4cb3 50 // The mode is set per pin: reuse pinmap logic
sam_grove 5:3f93dd1d4cb3 51 for (i=0; i<32; i++) {
sam_grove 5:3f93dd1d4cb3 52 if (obj->mask & (1<<i)) {
sam_grove 5:3f93dd1d4cb3 53 pin_mode(port_pin(obj->port, i), mode);
sam_grove 5:3f93dd1d4cb3 54 }
sam_grove 5:3f93dd1d4cb3 55 }
sam_grove 5:3f93dd1d4cb3 56 }
sam_grove 5:3f93dd1d4cb3 57
sam_grove 5:3f93dd1d4cb3 58 void port_dir(port_t *obj, PinDirection dir) {
sam_grove 5:3f93dd1d4cb3 59 switch (dir) {
sam_grove 5:3f93dd1d4cb3 60 case PIN_INPUT : *obj->reg_dir &= ~obj->mask; break;
sam_grove 5:3f93dd1d4cb3 61 case PIN_OUTPUT: *obj->reg_dir |= obj->mask; break;
sam_grove 5:3f93dd1d4cb3 62 }
sam_grove 5:3f93dd1d4cb3 63 }
sam_grove 5:3f93dd1d4cb3 64
sam_grove 5:3f93dd1d4cb3 65 void port_write(port_t *obj, int value) {
sam_grove 5:3f93dd1d4cb3 66 *obj->reg_out = (*obj->reg_in & ~obj->mask) | (value & obj->mask);
sam_grove 5:3f93dd1d4cb3 67 }
sam_grove 5:3f93dd1d4cb3 68
sam_grove 5:3f93dd1d4cb3 69 int port_read(port_t *obj) {
sam_grove 5:3f93dd1d4cb3 70 return (*obj->reg_in & obj->mask);
sam_grove 5:3f93dd1d4cb3 71 }