X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=binding%2Fhvac-demo-binding.c;h=a8993a1a8a09b202ea97cc5223b14f7acb434b42;hb=refs%2Ftags%2Fflounder_5.99.2;hp=96b448a2cfea849ab255d5e1247b1bd57fa65729;hpb=7fd8084c269b25aec2a06f22fd40e155f3dd95de;p=apps%2Fhvac.git diff --git a/binding/hvac-demo-binding.c b/binding/hvac-demo-binding.c index 96b448a..a8993a1 100644 --- a/binding/hvac-demo-binding.c +++ b/binding/hvac-demo-binding.c @@ -1,7 +1,9 @@ /* * Copyright (C) 2015, 2016 "IoT.bzh" + * Copyright (C) 2016 Konsulko Group * Author "Romain Forlot" * Author "Jose Bolo" + * Author "Scott Murray " * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -17,7 +19,9 @@ */ #define _GNU_SOURCE +#include #include +#include #include #include #include @@ -25,17 +29,66 @@ #include #include #include - #include +#define AFB_BINDING_VERSION 2 #include -#include + +#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" -#define SIMULATE_HVAC +#ifndef NULL +#define NULL 0 +#endif static const struct afb_binding_interface *interface; +static struct afb_event event; + +/*****************************************************************************************/ +/*****************************************************************************************/ +/** **/ +/** **/ +/** SECTION: UTILITY FUNCTIONS **/ +/** **/ +/** **/ +/*****************************************************************************************/ +/*****************************************************************************************/ + +/* + * @brief Retry a function 3 times + * + * @param int function(): function that return an int wihtout any parameter + * + * @ return : 0 if ok, -1 if failed + * + */ +static int retry( int(*func)()) +{ + int i; + + for (i=0;i<4;i++) + { + if ( (*func)() >= 0) + { + return 0; + } + usleep(100000); + } + return -1; +} + +/*****************************************************************************************/ +/*****************************************************************************************/ +/** **/ +/** **/ +/** SECTION: HANDLE CAN DEVICE **/ +/** **/ +/** **/ +/*****************************************************************************************/ +/*****************************************************************************************/ // Initialize CAN hvac array that will be sent trough the socket static struct { @@ -45,39 +98,65 @@ static struct { { "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 +}; -/*****************************************************************************************/ -/*****************************************************************************************/ -/** **/ -/** **/ -/** SECTION: HANDLE CAN DEVICE **/ -/** **/ -/** **/ -/*****************************************************************************************/ -/*****************************************************************************************/ +static struct can_handler can_handler = { .socket = -1, .simulation = false, .send_msg = "SENDING CAN FRAME"}; -static int open_can_dev() +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; + 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 { @@ -85,7 +164,7 @@ static int open_can_dev() strcpy(ifr.ifr_name, CAN_DEV); if(ioctl(can_handler.socket, SIOCGIFINDEX, &ifr) < 0) { - ERROR(interface, "ioctl failed"); + AFB_ERROR("ioctl failed"); } else { @@ -95,7 +174,7 @@ static int open_can_dev() // 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; @@ -105,13 +184,26 @@ static int open_can_dev() 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) @@ -130,6 +222,16 @@ static uint8_t read_temp_right_zone() 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); @@ -137,7 +239,240 @@ static uint8_t read_temp() 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() @@ -160,28 +495,26 @@ 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"); + 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"); + AFB_ERROR("socket not initialized. Attempt to reopen can device socket."); + open_can_dev(); } return rc; } @@ -255,7 +588,7 @@ static void get_temp_left_zone(struct afb_req request) */ 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(); @@ -281,7 +614,7 @@ static void set(struct afb_req request) 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--; @@ -292,22 +625,22 @@ static void set(struct afb_req request) 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", @@ -323,16 +656,16 @@ static void set(struct afb_req 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); @@ -343,7 +676,7 @@ static void set(struct afb_req request) rc = write_can(); if (rc >= 0) afb_req_success(request, NULL, NULL); - else { + else if (retry(write_can)) { /* restore initial values */ i = (int)(sizeof hvac_values / sizeof *hvac_values); while (i) { @@ -358,33 +691,108 @@ static void set(struct afb_req request) } } -// 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 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