/*
* Copyright (C) 2015, 2016 "IoT.bzh"
+ * Copyright (C) 2016 Konsulko Group
* Author "Romain Forlot"
* Author "Jose Bolo"
+ * Author "Scott Murray <scott.murray@konsulko.com>"
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*/
#define _GNU_SOURCE
+#include <stdio.h>
#include <string.h>
+#include <stdbool.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <linux/can.h>
#include <math.h>
-
#include <json-c/json.h>
+#define AFB_BINDING_VERSION 2
#include <afb/afb-binding.h>
-#include <afb/afb-service-itf.h>
-// Uncomment this line to pass into can simulation mode
-//#define SIMULATE_HVAC
+#define RED "/sys/class/leds/blinkm-3-9-red/brightness"
+#define GREEN "/sys/class/leds/blinkm-3-9-green/brightness"
+#define BLUE "/sys/class/leds/blinkm-3-9-blue/brightness"
#define CAN_DEV "vcan0"
+#ifndef NULL
+#define NULL 0
+#endif
+
static const struct afb_binding_interface *interface;
+static struct afb_event event;
/*****************************************************************************************/
/*****************************************************************************************/
{ "LeftTemperature", 21 },
{ "RightTemperature", 21 },
{ "Temperature", 21 },
- { "FanSpeed", 0 }
+ { "FanSpeed", 0 },
+ { "ACEnabled", 0 },
+ { "LeftLed", 15 },
+ { "RightLed", 15 }
+};
+
+// Holds RGB combinations for each temperature
+static struct {
+ const int temperature;
+ const int rgb[3];
+} degree_colours[] = {
+ {15, {0, 0, 229} },
+ {16, {22, 0, 204} },
+ {17, {34, 0, 189} },
+ {18, {46, 0, 175} },
+ {19, {58, 0, 186} },
+ {20, {70, 0, 146} },
+ {21, {82, 0, 131} },
+ {22, {104, 0, 116} },
+ {23, {116, 0, 102} },
+ {24, {128, 0, 87} },
+ {25, {140, 0, 73} },
+ {26, {152, 0, 58} },
+ {27, {164, 0, 43} },
+ {28, {176, 0, 29} },
+ {29, {188, 0, 14} },
+ {30, {201, 0, 5} }
};
struct can_handler {
int socket;
+ bool simulation;
+ char *send_msg;
struct sockaddr_can txAddress;
};
-static struct can_handler can_handler = { .socket = -1 };
+struct led_paths {
+ char *red;
+ char *green;
+ char *blue;
+}led_paths_values = {
+ .red = RED,
+ .green = GREEN,
+ .blue = BLUE
+};
-static int open_can_dev()
+static struct can_handler can_handler = { .socket = -1, .simulation = false, .send_msg = "SENDING CAN FRAME"};
+
+static int open_can_dev_helper()
{
-#if defined(SIMULATE_HVAC)
- DEBUG(interface, "Defining can handler socket to 0 and return");
- can_handler.socket = 0;
- return 0;
-#else
struct ifreq ifr;
- DEBUG(interface, "CAN Handler socket : %d", can_handler.socket);
+ AFB_DEBUG("CAN Handler socket : %d", can_handler.socket);
close(can_handler.socket);
can_handler.socket = socket(PF_CAN, SOCK_RAW, CAN_RAW);
if (can_handler.socket < 0)
{
- ERROR(interface, "socket could not be created");
+ AFB_ERROR("socket could not be created");
}
else
{
strcpy(ifr.ifr_name, CAN_DEV);
if(ioctl(can_handler.socket, SIOCGIFINDEX, &ifr) < 0)
{
- ERROR(interface, "ioctl failed");
+ AFB_ERROR("ioctl failed");
}
else
{
// And bind it to txAddress
if (bind(can_handler.socket, (struct sockaddr *)&can_handler.txAddress, sizeof(can_handler.txAddress)) < 0)
{
- ERROR(interface, "bind failed");
+ AFB_ERROR("bind failed");
}
else {
return 0;
can_handler.socket = -1;
}
return -1;
-#endif
+}
+
+static int open_can_dev()
+{
+ int rc = retry(open_can_dev_helper);
+ if(rc < 0)
+ {
+ AFB_ERROR("Open of interface %s failed. Falling back to simulation mode", CAN_DEV);
+ can_handler.socket = 0;
+ can_handler.simulation = true;
+ can_handler.send_msg = "FAKE CAN FRAME";
+ rc = 0;
+ }
+ return rc;
}
// Get original get temperature function from cpp hvacplugin code
static uint8_t to_can_temp(uint8_t value)
{
- int result = ((0xF0 - 0x10) / 15) * value - 16;
+ int result = ((0xF0 - 0x10) / 15) * (value - 15) + 0x10;
if (result < 0x10)
result = 0x10;
if (result > 0xF0)
return hvac_values[1].value;
}
+static uint8_t read_temp_left_led()
+{
+ return hvac_values[5].value;
+}
+
+static uint8_t read_temp_right_led()
+{
+ return hvac_values[6].value;
+}
+
static uint8_t read_temp()
{
return (uint8_t)(((int)read_temp_left_zone() + (int)read_temp_right_zone()) >> 1);
static uint8_t read_fanspeed()
{
- return hvac_values[3].value ^ 0xFF;
+ return hvac_values[3].value;
+}
+
+/*
+ * @param: None
+ *
+ * @brief: Parse JSON configuration file for blinkm path
+ */
+static int parse_config()
+{
+ struct json_object *ledtemp = NULL;
+ struct json_object *jobj = json_object_from_file("/etc/hvac.json");
+
+ // Check if .json file has been parsed as a json_object
+ if (!jobj) {
+ AFB_ERROR("JSON file could not be opened!\n");
+ return 1;
+ }
+
+ // Check if json_object with key "ledtemp" has been found in .json file
+ if (!json_object_object_get_ex(jobj, "ledtemp", &ledtemp)){
+ AFB_ERROR("Key not found!\n");
+ return 1;
+ }
+
+ // Extract directory paths for each LED colour
+ json_object_object_foreach(ledtemp, key, value) {
+ if (strcmp(key, "red") == 0) {
+ led_paths_values.red = json_object_get_string(value);
+ } else if (strcmp(key, "green") == 0) {
+ led_paths_values.green = json_object_get_string(value);
+ } else if (strcmp(key, "blue") == 0) {
+ led_paths_values.blue = json_object_get_string(value);
+ }
+ }
+
+ // return 0 if all succeeded
+ return 0;
+
+}
+
+/*
+ * @brief Writing to LED for both temperature sliders
+ */
+static int temp_write_led()
+{
+
+ int rc = -1, red_value, green_value, blue_value;
+ int right_temp;
+ int left_temp;
+
+ left_temp = read_temp_left_led() - 15;
+ right_temp = read_temp_right_led() - 15;
+
+ // Calculates average colour value taken from the temperature toggles
+ red_value = (degree_colours[left_temp].rgb[0] + degree_colours[right_temp].rgb[0]) / 2;
+ green_value = (degree_colours[left_temp].rgb[1] + degree_colours[right_temp].rgb[1]) / 2;
+ blue_value = (degree_colours[left_temp].rgb[2] + degree_colours[right_temp].rgb[2]) / 2;
+
+ // default path: /sys/class/leds/blinkm-3-9-red/brightness
+ FILE* r = fopen(led_paths_values.red, "w");
+ if(r){
+ fprintf(r, "%d", red_value);
+ fclose(r);
+ } else {
+ AFB_ERROR("Unable to open red LED path!\n");
+ return -1;
+ }
+
+ // default path: /sys/class/leds/blinkm-3-9-green/brightness
+ FILE* g = fopen(led_paths_values.green, "w");
+ if(g){
+ fprintf(g, "%d", green_value);
+ fclose(g);
+ } else {
+ AFB_ERROR("Unable to open green LED path!\n");
+ return -1;
+ }
+
+ // default path: /sys/class/leds/blinkm-3-9-blue/brightness
+ FILE* b = fopen(led_paths_values.blue, "w");
+ if(b){
+ fprintf(b, "%d", blue_value);
+ fclose(b);
+ } else {
+ AFB_ERROR("Unable to open blue LED path!\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+/*
+ * @brief Get temperature of left toggle in HVAC system
+ *
+ * @param struct afb_req : an afb request structure
+ *
+ */
+static void temp_left_zone_led(struct afb_req request)
+{
+ int i = 5, rc, x, changed;
+ double d;
+ struct json_object *query, *val;
+ uint8_t values[sizeof hvac_values / sizeof *hvac_values];
+ uint8_t saves[sizeof hvac_values / sizeof *hvac_values];
+
+ AFB_WARNING("In temp_left_zone_led.");
+
+ query = afb_req_json(request);
+
+ /* records initial values */
+ AFB_WARNING("Records initial values");
+ values[i] = saves[i] = hvac_values[i].value;
+
+
+ if (json_object_object_get_ex(query, hvac_values[i].name, &val))
+ {
+ AFB_WARNING("Value of values[i] = %d", values[i]);
+ AFB_WARNING("We got it. Tests if it is an int or double.");
+ if (json_object_is_type(val, json_type_int)) {
+ x = json_object_get_int(val);
+ AFB_WARNING("We get an int: %d",x);
+ }
+ else if (json_object_is_type(val, json_type_double)) {
+ d = json_object_get_double(val);
+ x = (int)round(d);
+ AFB_WARNING("We get a double: %f => %d",d,x);
+ }
+ else {
+ afb_req_fail_f(request, "bad-request",
+ "argument '%s' isn't integer or double", hvac_values[i].name);
+ return;
+ }
+ if (x < 0 || x > 255)
+ {
+ afb_req_fail_f(request, "bad-request",
+ "argument '%s' is out of bounds", hvac_values[i].name);
+ return;
+ }
+ if (values[i] != x) {
+ values[i] = (uint8_t)x;
+ changed = 1;
+ AFB_WARNING("%s changed to %d", hvac_values[i].name,x);
+ }
+ }
+ else {
+ AFB_WARNING("%s not found in query!",hvac_values[i].name);
+ }
+
+
+ if (changed) {
+ hvac_values[i].value = values[i]; // update structure at line 102
+ AFB_WARNING("WRITE_LED: value: %d", hvac_values[i].value);
+ rc = temp_write_led();
+ if (rc >= 0)
+ afb_req_success(request, NULL, NULL);
+ else if (retry(temp_write_led)) {
+ /* restore initial values */
+ hvac_values[i].value = saves[i];
+ afb_req_fail(request, "error", "I2C error");
+ }
+ }
+}
+
+/*
+ * @brief Get temperature of right toggle in HVAC system
+ *
+ * @param struct afb_req : an afb request structure
+ *
+ */
+static void temp_right_zone_led(struct afb_req request)
+{
+ int i = 6, rc, x, changed;
+ double d;
+ struct json_object *query, *val;
+ uint8_t values[sizeof hvac_values / sizeof *hvac_values];
+ uint8_t saves[sizeof hvac_values / sizeof *hvac_values];
+
+ AFB_WARNING("In temp_right_zone_led.");
+
+ query = afb_req_json(request);
+
+ /* records initial values */
+ AFB_WARNING("Records initial values");
+ values[i] = saves[i] = hvac_values[i].value;
+
+
+ if (json_object_object_get_ex(query, hvac_values[i].name, &val))
+ {
+ AFB_WARNING("Value of values[i] = %d", values[i]);
+ AFB_WARNING("We got it. Tests if it is an int or double.");
+ if (json_object_is_type(val, json_type_int)) {
+ x = json_object_get_int(val);
+ AFB_WARNING("We get an int: %d",x);
+ }
+ else if (json_object_is_type(val, json_type_double)) {
+ d = json_object_get_double(val);
+ x = (int)round(d);
+ AFB_WARNING("We get a double: %f => %d",d,x);
+ }
+ else {
+ afb_req_fail_f(request, "bad-request",
+ "argument '%s' isn't integer or double", hvac_values[i].name);
+ return;
+ }
+ if (x < 0 || x > 255)
+ {
+ afb_req_fail_f(request, "bad-request",
+ "argument '%s' is out of bounds", hvac_values[i].name);
+ return;
+ }
+ if (values[i] != x) {
+ values[i] = (uint8_t)x;
+ changed = 1;
+ AFB_WARNING("%s changed to %d", hvac_values[i].name,x);
+ }
+ }
+ else {
+ AFB_WARNING("%s not found in query!", hvac_values[i].name);
+ }
+
+
+ if (changed) {
+ hvac_values[i].value = values[i]; // update structure at line 102
+ AFB_WARNING("WRITE_LED: value: %d", hvac_values[i].value);
+ rc = temp_write_led();
+ if (rc >= 0)
+ afb_req_success(request, NULL, NULL);
+ else if (retry(temp_write_led)) {
+ /* restore initial values */
+ hvac_values[i].value = saves[i];
+ afb_req_fail(request, "error", "I2C error");
+ }
+ }
}
static int write_can()
txCanFrame.data[6] = 0;
txCanFrame.data[7] = 0;
- DEBUG(interface, "%s: %d %d [%02x %02x %02x %02x %02x %02x %02x %02x]\n",
-#if defined(SIMULATE_HVAC)
- "FAKE CAN FRAME",
-#else
- "SENDING CAN FRAME",
-#endif
+ AFB_DEBUG("%s: %d %d [%02x %02x %02x %02x %02x %02x %02x %02x]\n",
+ can_handler.send_msg,
txCanFrame.can_id, txCanFrame.can_dlc,
txCanFrame.data[0], txCanFrame.data[1], txCanFrame.data[2], txCanFrame.data[3],
txCanFrame.data[4], txCanFrame.data[5], txCanFrame.data[6], txCanFrame.data[7]);
-#if !defined(SIMULATE_HVAC)
- rc = sendto(can_handler.socket, &txCanFrame, sizeof(struct can_frame), 0,
- (struct sockaddr*)&can_handler.txAddress, sizeof(can_handler.txAddress));
- if (rc < 0)
+ if(!can_handler.simulation)
{
- ERROR(interface, "Sending can frame failed. Attempt to reopen can device socket.");
- retry(open_can_dev);
+ rc = (int)sendto(can_handler.socket, &txCanFrame, sizeof(struct can_frame), 0,
+ (struct sockaddr*)&can_handler.txAddress, sizeof(can_handler.txAddress));
+ if (rc < 0)
+ {
+ AFB_ERROR("Sending CAN frame failed.");
+ }
}
-#endif
}
else
{
- ERROR(interface, "socket not initialized. Attempt to reopen can device socket.");
- retry(open_can_dev);
+ AFB_ERROR("socket not initialized. Attempt to reopen can device socket.");
+ open_can_dev();
}
return rc;
}
*/
static void get(struct afb_req request)
{
- DEBUG(interface, "Getting all values");
+ AFB_DEBUG("Getting all values");
json_object *ret_json;
ret_json = json_object_new_object();
uint8_t saves[sizeof hvac_values / sizeof *hvac_values];
/* records initial values */
- DEBUG(interface, "Records initial values");
+ AFB_DEBUG("Records initial values");
i = (int)(sizeof hvac_values / sizeof *hvac_values);
while (i) {
i--;
query = afb_req_json(request);
changed = 0;
i = (int)(sizeof hvac_values / sizeof *hvac_values);
- DEBUG(interface, "Looping for args. i: %d", i);
+ AFB_DEBUG("Looping for args. i: %d", i);
while (i)
{
i--;
- DEBUG(interface, "Searching... query: %s, i: %d, comp: %s", json_object_to_json_string(query), i, hvac_values[i].name);
+ AFB_DEBUG("Searching... query: %s, i: %d, comp: %s", json_object_to_json_string(query), i, hvac_values[i].name);
if (json_object_object_get_ex(query, hvac_values[i].name, &val))
{
- DEBUG(interface, "We got it. Tests if it is an int or double.");
+ AFB_DEBUG("We got it. Tests if it is an int or double.");
if (json_object_is_type(val, json_type_int)) {
x = json_object_get_int(val);
- DEBUG(interface, "We get an int: %d",x);
+ AFB_DEBUG("We get an int: %d",x);
}
else if (json_object_is_type(val, json_type_double)) {
d = json_object_get_double(val);
x = (int)round(d);
- DEBUG(interface, "We get a double: %f => %d",d,x);
+ AFB_DEBUG("We get a double: %f => %d",d,x);
}
else {
afb_req_fail_f(request, "bad-request",
if (values[i] != x) {
values[i] = (uint8_t)x;
changed = 1;
- DEBUG(interface,"%s changed to %d",hvac_values[i].name,x);
+ AFB_DEBUG("%s changed to %d",hvac_values[i].name,x);
}
}
else {
- DEBUG(interface, "%s not found in query!",hvac_values[i].name);
+ AFB_DEBUG("%s not found in query!",hvac_values[i].name);
}
}
/* attemps to set new values */
- DEBUG(interface, "Diff: %d", changed);
+ AFB_DEBUG("Diff: %d", changed);
if (changed)
{
i = (int)(sizeof hvac_values / sizeof *hvac_values);
}
}
-// TODO: Have to change session management flag to AFB_SESSION_CHECK to use token auth
-static const struct afb_verb_desc_v1 verbs[]= {
- {"get_temp_left_zone" , AFB_SESSION_NONE, get_temp_left_zone , "Get the left zone temperature"},
- {"get_temp_right_zone" , AFB_SESSION_NONE, get_temp_right_zone , "Get the right zone temperature"},
- {"get_fanspeed" , AFB_SESSION_NONE, get_fanspeed , "Read fan speed"},
- {"get" , AFB_SESSION_NONE, get , "Read all values"},
- {"set" , AFB_SESSION_NONE, set , "Set a HVAC component value"},
- {NULL}
-};
-
-static const struct afb_binding binding_desc = {
- .type = AFB_BINDING_VERSION_1,
- .v1 = {
- .info = "hvac service",
- .prefix = "hvac",
- .verbs = verbs
- }
-};
-
-const struct afb_binding *afbBindingV1Register (const struct afb_binding_interface *itf)
+int bindingServicePreInit(struct afb_service service)
{
- interface = itf;
+ return open_can_dev();
+}
- return &binding_desc;
+int bindingServiceInit(struct afb_service service)
+{
+ event = afb_daemon_make_event("language");
+ if(parse_config() != 0)
+ AFB_WARNING("Default values are being used!\n");
+ if(afb_daemon_require_api("identity", 1))
+ return -1;
+ return afb_service_call_sync("identity", "subscribe", NULL, NULL);
}
-int afbBindingV1ServiceInit(struct afb_service service)
+void onEvent(const char *event_name, struct json_object *object)
{
- return retry(open_can_dev);
+ json_object *args, *language = json_object_new_object();
+ json_object *id_evt_name, *current_identity;
+
+ AFB_NOTICE("Event '%s' received: %s", event_name,
+ json_object_to_json_string_ext(object, JSON_C_TO_STRING_PRETTY));
+
+ if (json_object_object_get_ex(object, "eventName", &id_evt_name) &&
+ !strcmp(json_object_get_string(id_evt_name), "login") &&
+ !afb_service_call_sync("identity", "get", NULL, ¤t_identity)) {
+ json_object *response;
+ if (! json_object_object_get_ex(current_identity, "response", &response) || ! json_object_object_get_ex(response, "graphPreferredLanguage", &language)) {
+ language = json_object_new_string("en_US");
+ }
+ afb_event_broadcast(event, language);
+ }
}
+
+// TODO: Have to change session management flag to AFB_SESSION_CHECK to use token auth
+static const struct afb_verb_v2 _afb_verbs_v2_hvac[]= {
+ {
+ .verb = "get_temp_left_zone",
+ .callback = get_temp_left_zone,
+ .auth = NULL,
+ .info = "Get the left zone temperature",
+ .session = AFB_SESSION_NONE_V2
+ },
+ {
+ .verb = "get_temp_right_zone",
+ .callback = get_temp_right_zone,
+ .auth = NULL,
+ .info = "Get the right zone temperature",
+ .session = AFB_SESSION_NONE_V2
+ },
+ {
+ .verb = "get_fanspeed",
+ .callback = get_fanspeed,
+ .auth = NULL,
+ .info = "Read fan speed",
+ .session = AFB_SESSION_NONE_V2
+ },
+ {
+ .verb = "get",
+ .callback = get,
+ .auth = NULL,
+ .info = "Read all speed",
+ .session = AFB_SESSION_NONE_V2
+ },
+ {
+ .verb = "set",
+ .callback = set,
+ .auth = NULL,
+ .info = "Set a HVAC component value",
+ .session = AFB_SESSION_NONE_V2
+ },
+ {
+ .verb = "temp_left_zone_led",
+ .callback = temp_left_zone_led,
+ .auth = NULL,
+ .info = "Turn on LED on left temperature zone",
+ .session = AFB_SESSION_NONE_V2
+ },
+ {
+ .verb = "temp_right_zone_led",
+ .callback = temp_right_zone_led,
+ .auth = NULL,
+ .info = "Turn on LED on left temperature zone",
+ .session = AFB_SESSION_NONE_V2
+
+ },
+ {
+ .verb = NULL,
+ .callback = NULL,
+ .auth = NULL,
+ .info = NULL,
+ .session = 0
+ }
+};
+
+const struct afb_binding_v2 afbBindingV2 = {
+ .api = "hvac",
+ .specification = NULL,
+ .info = "HVAC service",
+ .verbs = _afb_verbs_v2_hvac,
+ .preinit = bindingServicePreInit,
+ .init = bindingServiceInit,
+ .onevent = onEvent,
+ .noconcurrency = 0
+};
\ No newline at end of file
Code Review / apps / hvac.git / blobdiff