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Add Blues example app
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‎apps/blues-wireless/pkg.yml

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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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pkg.name: apps/blues-wireless
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pkg.type: app
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pkg.description: Basic example application for Blues Wireless notecard.
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pkg.author: "Apache Mynewt <[email protected]>"
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pkg.homepage: "http://mynewt.apache.org/"
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pkg.keywords:
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pkg.deps:
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- "@apache-mynewt-core/kernel/os"
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- "@apache-mynewt-core/hw/hal"
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- "@apache-mynewt-core/sys/console/full"
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- "@apache-mynewt-core/sys/log/stub"
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- "@apache-mynewt-core/sys/shell"
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- "@apache-mynewt-core/sys/sysinit"
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- "@apache-mynewt-core/net/cellular/blues"
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‎apps/blues-wireless/src/main.c

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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include <assert.h>
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#include <string.h>
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#include "sysinit/sysinit.h"
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#include "os/os.h"
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#include "bsp/bsp.h"
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#include "hal/hal_gpio.h"
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#include "hal/hal_i2c.h"
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#include "hal/hal_uart.h"
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#include <console/console.h>
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#include <note.h>
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#include "note_c_hooks.h"
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/*Product UUID from notehub*/
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#define PRODUCT_UID "UID"
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float lat, lon;
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/* For LED toggling */
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int g_led_pin;
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static void
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init_notecard(void)
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{
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NoteSetFnDefault(malloc, free, platform_delay, platform_millis);
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NoteSetFnDebugOutput(note_log_print);
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NoteSetFnI2C(NOTE_I2C_ADDR_DEFAULT, NOTE_I2C_MAX_DEFAULT, note_i2c_reset, note_i2c_transmit, note_i2c_receive);
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J *req = NoteNewRequest("hub.set");
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JAddStringToObject(req, "product", PRODUCT_UID);
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JAddStringToObject(req, "mode", "periodic");
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JAddBoolToObject(req, "sync", true);
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NoteRequestWithRetry(req, 5);
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J *req2 = NoteNewRequest("card.version");
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NoteRequestWithRetry(req2, 5);
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J *req3 = NoteNewRequest("card.location.mode");
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JAddStringToObject(req3, "mode","continuous");
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NoteRequestWithRetry(req3, 5);
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}
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static void
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update_location(void)
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{
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J *location = NoteRequestResponse(NoteNewRequest("card.location"));
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if (location != NULL) {
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lat = JGetNumber(location, "lat");
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lon = JGetNumber(location, "lon");
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}
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J *req = NoteNewRequest("note.add");
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JAddStringToObject(req, "file", "location.qo");
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JAddBoolToObject(req, "sync", true);
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J *body = JCreateObject();
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JAddStringToObject(body, "message", "location");
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if (location == NULL) {
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J *timereq = NoteRequestResponse(NoteNewRequest("card.time"));
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if (timereq != NULL) {
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lat = JGetNumber(timereq, "lat");
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lon = JGetNumber(timereq, "lat");
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}
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}
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JAddNumberToObject(body, "Latitude", lat);
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JAddNumberToObject(body, "Longitude", lon);
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JAddItemToObject(req, "body", body);
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NoteRequest(req);
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}
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/**
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* main
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*
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* The main task for the project. This function initializes packages,
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* and then blinks the BSP LED in a loop.
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*
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* @return int NOTE: this function should never return!
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*/
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int
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mynewt_main(int argc, char **argv)
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{
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int rc;
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sysinit();
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g_led_pin = LED_BLINK_PIN;
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hal_gpio_init_out(g_led_pin, 1);
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init_notecard();
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while (1) {
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/* Wait one second */
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os_time_delay(OS_TICKS_PER_SEC * 10);
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/* Toggle the LED */
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hal_gpio_toggle(g_led_pin);
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update_location();
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}
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assert(0);
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return rc;
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}

‎apps/blues-wireless/src/note_c_hooks.c

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/**
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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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*/
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#include "note_c_hooks.h"
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#include "bsp/bsp.h"
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#include "hal/hal_i2c.h"
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#include "os/os_time.h"
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#include <console/console.h>
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static const size_t REQUEST_HEADER_SIZE = 2;
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const uint8_t i2c_num = 0;
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bool i2c_initialized = false;
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uint32_t
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platform_millis(void)
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{
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return (uint32_t)(os_get_uptime_usec()/1000);
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}
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void
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platform_delay(uint32_t ms)
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{
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os_time_t d_time;
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d_time = os_time_ms_to_ticks32(ms);
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os_time_delay(d_time);
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}
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const char *
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note_i2c_receive(uint16_t device_address, uint8_t *buffer,
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uint16_t size, uint32_t *available)
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{
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uint8_t size_buf[2];
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size_buf[0] = 0;
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size_buf[1] = (uint8_t)size;
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struct hal_i2c_master_data data = {
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.address = device_address,
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.len = sizeof(size_buf),
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.buffer = size_buf,
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};
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uint8_t write_result = hal_i2c_master_write(i2c_num, &data, OS_TICKS_PER_SEC / 10, 0);
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if (write_result != 0) {
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return "i2c: unable to initiate read from the notecard\n";
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}
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/*
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Read from the Notecard and copy the response bytes into the
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response buffer
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*/
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const int request_length = size + REQUEST_HEADER_SIZE;
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uint8_t read_buf[256];
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data.len = request_length;
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data.buffer = read_buf;
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int8_t read_result = hal_i2c_master_read(i2c_num, &data, OS_TICKS_PER_SEC / 10, 1);
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if (read_result != 0) {
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return "i2c: Unable to receive data from the Notecard.\n";
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} else {
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*available = (uint32_t)read_buf[0];
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uint8_t bytes_to_read = read_buf[1];
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for (size_t i = 0; i < bytes_to_read; i++) {
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buffer[i] = read_buf[i + 2];
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}
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return NULL;
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}
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}
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bool
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note_i2c_reset(uint16_t device_address)
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{
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(void)device_address;
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if (i2c_initialized) {
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return true;
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}
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if (hal_i2c_enable(i2c_num) != 0) {
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console_printf("i2c: Device not ready.\n");
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return false;
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}
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console_printf("i2c: Device is ready.\n");
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i2c_initialized = true;
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return true;
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}
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const char *
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note_i2c_transmit(uint16_t device_address, uint8_t *buffer,
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uint16_t size)
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{
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uint8_t write_buf[size + 1];
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write_buf[0] = (uint8_t)size;
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for (size_t i = 0; i < size; i++) {
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write_buf[i + 1] = buffer[i];
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}
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struct hal_i2c_master_data data = {
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.address = device_address,
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.len = size + 1,
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.buffer = write_buf,
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};
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uint8_t write_result = hal_i2c_master_write(i2c_num, &data, OS_TICKS_PER_SEC / 5, 1);
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if (write_result != 0) {
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return "i2c: Unable to transmit data to the Notecard\n";
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} else {
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return NULL;
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}
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}
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size_t
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note_log_print(const char *message)
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{
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if (message) {
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console_printf("%s", message);
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return 1;
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}
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return 0;
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}

‎apps/blues-wireless/src/note_c_hooks.h

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/**
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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*/
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#ifndef NOTE_C_HOOKS_H
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#define NOTE_C_HOOKS_H
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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void platform_delay(uint32_t ms);
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uint32_t platform_millis(void);
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const char *note_i2c_receive(uint16_t device_address, uint8_t *buffer,
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uint16_t size, uint32_t *available);
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bool note_i2c_reset(uint16_t device_address);
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const char *note_i2c_transmit(uint16_t device_address, uint8_t *buffer, uint16_t size);
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size_t note_log_print(const char *message);
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#endif /* NOTE_C_HOOKS_H */

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