This is a full demo that connects to mbed Device Server. It is used with a I2C Grove Color sensor, so it should be compatible on all platforms that support Ethernet.
Dependencies: ColorDetectorV2 EthernetInterface mbed-rtos mbed nsdl
Fork of nespresso_endpoint by
mbed Software Configuration
The default mbed Device Server (NSP or mDS) configuration is used by an instance of the web app (Barista) here: http://barista-test.cloudapp.net:4005.
In main.cpp, find the following lines:
// **************************************************************************** // Configuration section // I2C Settings #define COLOR_SENSOR_SCL I2C_SCL #define COLOR_SENSOR_SDA I2C_SDA // Ethernet configuration /* Define this to enable DHCP, otherwise manual address configuration is used */ #define DHCP /* Manual IP configurations, if DHCP not defined */ #define IP "0.0.0.0" #define MASK "255.255.255.0" #define GW "0.0.0.0" // NSP configuration /* Change this IP address to that of your mbed Device Server installation if you're not using mbed Connector */ static const char* NSP_ADDRESS = "api.connector.mbed.org"; static const int NSP_PORT = 5683; char endpoint_name[] = "nespresso-machine-ethernet"; uint8_t ep_type[] = {"nespresso-endpoint"}; char nsp_domain[] = "56645321f5e24c49908e42f4d71b9ccb"; uint8_t lifetime_ptr[] = {"1200"}; // ****************************************************************************
Edit COLOR_SENSOR_SCL
and COLOR_SENSOR_SDA
to the appropriate I2C pins on your mbed platform.
You should not edit the DHCP/static IP settings if you are not using a static IP address. If you are using a static IP address, provide the appropriate information and remove the following line:
#define DHCP
Change endpoint_name
to uniquely identify your Nespresso endpoint.
If you are using mbed Connector, change the nsp_domain
string to your domain.
If you are using your own installation of mDS, you should change NSP_ADDRESS
to the url of your mDS installation, NSP_PORT
if you're using a non default port on mDS for CoAP, and nsp_domain
to a valid domain on your mDS instance ("domain" is the default mDS domain).
main.cpp@14:a32f557f9de1, 2015-07-16 (annotated)
- Committer:
- bridadan
- Date:
- Thu Jul 16 16:24:14 2015 +0000
- Revision:
- 14:a32f557f9de1
- Parent:
- 13:867a5ab8d474
Updating ColorDetectorV2 and increasing sensor gain
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bridadan | 0:0782597771bc | 1 | #include "mbed.h" |
bridadan | 0:0782597771bc | 2 | #include "EthernetInterface.h" |
bridadan | 0:0782597771bc | 3 | #include "nsdl_support.h" |
bridadan | 0:0782597771bc | 4 | #include "dbg.h" |
bridadan | 0:0782597771bc | 5 | #include "GroveColourSensor.h" |
bridadan | 0:0782597771bc | 6 | #include "ColorDetector.h" |
bridadan | 0:0782597771bc | 7 | #include "color_detector.h" |
bridadan | 7:b2df16ff5076 | 8 | #include <cmath> |
bridadan | 0:0782597771bc | 9 | |
bridadan | 0:0782597771bc | 10 | Serial pc(USBTX, USBRX); // tx, rx |
bridadan | 0:0782597771bc | 11 | |
bridadan | 0:0782597771bc | 12 | // **************************************************************************** |
bridadan | 0:0782597771bc | 13 | // Configuration section |
bridadan | 0:0782597771bc | 14 | |
bridadan | 6:9e3f6270fcb0 | 15 | // I2C Settings |
bridadan | 6:9e3f6270fcb0 | 16 | #define COLOR_SENSOR_SCL I2C_SCL |
bridadan | 6:9e3f6270fcb0 | 17 | #define COLOR_SENSOR_SDA I2C_SDA |
bridadan | 6:9e3f6270fcb0 | 18 | |
bridadan | 0:0782597771bc | 19 | // Ethernet configuration |
bridadan | 0:0782597771bc | 20 | /* Define this to enable DHCP, otherwise manual address configuration is used */ |
bridadan | 0:0782597771bc | 21 | #define DHCP |
bridadan | 0:0782597771bc | 22 | |
bridadan | 0:0782597771bc | 23 | /* Manual IP configurations, if DHCP not defined */ |
bridadan | 0:0782597771bc | 24 | #define IP "0.0.0.0" |
bridadan | 0:0782597771bc | 25 | #define MASK "255.255.255.0" |
bridadan | 0:0782597771bc | 26 | #define GW "0.0.0.0" |
bridadan | 0:0782597771bc | 27 | |
bridadan | 0:0782597771bc | 28 | // NSP configuration |
bridadan | 0:0782597771bc | 29 | /* Change this IP address to that of your mbed Device Server installation */ |
bridadan | 13:867a5ab8d474 | 30 | static const char* NSP_ADDRESS = "api.connector.mbed.org"; |
bridadan | 0:0782597771bc | 31 | static const int NSP_PORT = 5683; |
bridadan | 12:11577a49e50f | 32 | char endpoint_name[] = "nespresso-machine-ethernet"; |
bridadan | 9:202680169650 | 33 | uint8_t ep_type[] = {"nespresso-endpoint"}; |
bridadan | 9:202680169650 | 34 | char nsp_domain[] = "56645321f5e24c49908e42f4d71b9ccb"; |
bridadan | 0:0782597771bc | 35 | uint8_t lifetime_ptr[] = {"1200"}; |
bridadan | 0:0782597771bc | 36 | |
bridadan | 0:0782597771bc | 37 | // **************************************************************************** |
bridadan | 0:0782597771bc | 38 | // Ethernet initialization |
bridadan | 0:0782597771bc | 39 | |
bridadan | 0:0782597771bc | 40 | EthernetInterface eth; |
bridadan | 0:0782597771bc | 41 | |
bridadan | 0:0782597771bc | 42 | static void ethernet_init() |
bridadan | 0:0782597771bc | 43 | { |
bridadan | 0:0782597771bc | 44 | // Initialize network |
bridadan | 0:0782597771bc | 45 | #ifdef DHCP |
bridadan | 0:0782597771bc | 46 | NSDL_DEBUG("DHCP in use\r\n"); |
bridadan | 0:0782597771bc | 47 | eth.init(); |
bridadan | 0:0782597771bc | 48 | #else |
bridadan | 0:0782597771bc | 49 | eth.init(IP, MASK, GW); |
bridadan | 0:0782597771bc | 50 | #endif |
bridadan | 0:0782597771bc | 51 | if(eth.connect(30000) == 0) |
bridadan | 0:0782597771bc | 52 | pc.printf("Connect OK\n\r"); |
bridadan | 0:0782597771bc | 53 | |
bridadan | 0:0782597771bc | 54 | NSDL_DEBUG("IP Address:%s ", eth.getIPAddress()); |
bridadan | 0:0782597771bc | 55 | } |
bridadan | 0:0782597771bc | 56 | |
bridadan | 0:0782597771bc | 57 | // **************************************************************************** |
bridadan | 0:0782597771bc | 58 | // NSP initialization |
bridadan | 0:0782597771bc | 59 | |
bridadan | 0:0782597771bc | 60 | UDPSocket server; |
bridadan | 0:0782597771bc | 61 | Endpoint nsp; |
bridadan | 0:0782597771bc | 62 | |
bridadan | 0:0782597771bc | 63 | static void nsp_init() |
bridadan | 0:0782597771bc | 64 | { |
bridadan | 0:0782597771bc | 65 | server.init(); |
bridadan | 0:0782597771bc | 66 | server.bind(NSP_PORT); |
bridadan | 0:0782597771bc | 67 | |
bridadan | 0:0782597771bc | 68 | nsp.set_address(NSP_ADDRESS, NSP_PORT); |
bridadan | 0:0782597771bc | 69 | |
bridadan | 0:0782597771bc | 70 | NSDL_DEBUG("name: %s", endpoint_name); |
bridadan | 0:0782597771bc | 71 | NSDL_DEBUG("NSP=%s - port %d\n", NSP_ADDRESS, NSP_PORT); |
bridadan | 0:0782597771bc | 72 | } |
bridadan | 0:0782597771bc | 73 | |
bridadan | 0:0782597771bc | 74 | // **************************************************************************** |
bridadan | 0:0782597771bc | 75 | // Resource creation |
bridadan | 0:0782597771bc | 76 | |
bridadan | 0:0782597771bc | 77 | static int create_resources() |
bridadan | 0:0782597771bc | 78 | { |
bridadan | 0:0782597771bc | 79 | sn_nsdl_resource_info_s *resource_ptr = NULL; |
bridadan | 0:0782597771bc | 80 | |
bridadan | 0:0782597771bc | 81 | NSDL_DEBUG("Creating resources"); |
bridadan | 0:0782597771bc | 82 | |
bridadan | 0:0782597771bc | 83 | // Create resources |
bridadan | 0:0782597771bc | 84 | resource_ptr = (sn_nsdl_resource_info_s*)nsdl_alloc(sizeof(sn_nsdl_resource_info_s)); |
bridadan | 0:0782597771bc | 85 | if(!resource_ptr) |
bridadan | 0:0782597771bc | 86 | return 0; |
bridadan | 0:0782597771bc | 87 | memset(resource_ptr, 0, sizeof(sn_nsdl_resource_info_s)); |
bridadan | 0:0782597771bc | 88 | |
bridadan | 0:0782597771bc | 89 | resource_ptr->resource_parameters_ptr = (sn_nsdl_resource_parameters_s*)nsdl_alloc(sizeof(sn_nsdl_resource_parameters_s)); |
bridadan | 0:0782597771bc | 90 | if(!resource_ptr->resource_parameters_ptr) |
bridadan | 0:0782597771bc | 91 | { |
bridadan | 0:0782597771bc | 92 | nsdl_free(resource_ptr); |
bridadan | 0:0782597771bc | 93 | return 0; |
bridadan | 0:0782597771bc | 94 | } |
bridadan | 0:0782597771bc | 95 | memset(resource_ptr->resource_parameters_ptr, 0, sizeof(sn_nsdl_resource_parameters_s)); |
bridadan | 0:0782597771bc | 96 | |
bridadan | 0:0782597771bc | 97 | // Dynamic resources |
bridadan | 0:0782597771bc | 98 | create_color_detector_resource(resource_ptr); |
bridadan | 0:0782597771bc | 99 | |
bridadan | 0:0782597771bc | 100 | // Register with NSP |
bridadan | 6:9e3f6270fcb0 | 101 | register_endpoint(true); |
bridadan | 0:0782597771bc | 102 | |
bridadan | 0:0782597771bc | 103 | nsdl_free(resource_ptr->resource_parameters_ptr); |
bridadan | 0:0782597771bc | 104 | nsdl_free(resource_ptr); |
bridadan | 0:0782597771bc | 105 | return 1; |
bridadan | 0:0782597771bc | 106 | } |
bridadan | 0:0782597771bc | 107 | |
bridadan | 0:0782597771bc | 108 | // **************************************************************************** |
bridadan | 0:0782597771bc | 109 | // Program entry point |
bridadan | 0:0782597771bc | 110 | |
bridadan | 0:0782597771bc | 111 | int main() |
bridadan | 0:0782597771bc | 112 | { |
bridadan | 0:0782597771bc | 113 | NSDL_DEBUG("mbed Nespresso Demo\n"); |
bridadan | 0:0782597771bc | 114 | |
bridadan | 0:0782597771bc | 115 | // Begin Color Sensor init |
bridadan | 0:0782597771bc | 116 | |
bridadan | 0:0782597771bc | 117 | // First, ensure I2C bus is released by toggling clock (fixes reset errors) |
bridadan | 6:9e3f6270fcb0 | 118 | DigitalOut scl_dummy(COLOR_SENSOR_SCL); |
bridadan | 0:0782597771bc | 119 | |
bridadan | 0:0782597771bc | 120 | for (int i = 0; i < 100; i++) { |
bridadan | 0:0782597771bc | 121 | scl_dummy = !scl_dummy; |
bridadan | 0:0782597771bc | 122 | wait_us(2); |
bridadan | 0:0782597771bc | 123 | } |
bridadan | 0:0782597771bc | 124 | |
bridadan | 0:0782597771bc | 125 | // Next, initialize I2C |
bridadan | 6:9e3f6270fcb0 | 126 | I2C i2c(COLOR_SENSOR_SDA, COLOR_SENSOR_SCL); |
bridadan | 0:0782597771bc | 127 | |
bridadan | 0:0782597771bc | 128 | // Create color sensor instance |
bridadan | 0:0782597771bc | 129 | GroveColourSensor colorSensor(&i2c); |
bridadan | 0:0782597771bc | 130 | |
bridadan | 0:0782597771bc | 131 | // Various config |
bridadan | 0:0782597771bc | 132 | colorSensor.powerUp(); |
bridadan | 14:a32f557f9de1 | 133 | colorSensor.setGain(3); |
bridadan | 0:0782597771bc | 134 | colorSensor.setBlockRead(); |
bridadan | 0:0782597771bc | 135 | |
bridadan | 0:0782597771bc | 136 | // Create color detector |
bridadan | 13:867a5ab8d474 | 137 | ColorDetector detector(&colorSensor, A0); |
bridadan | 0:0782597771bc | 138 | |
bridadan | 0:0782597771bc | 139 | // Pass reference to color detector |
bridadan | 0:0782597771bc | 140 | set_color_detector(&detector); |
bridadan | 0:0782597771bc | 141 | |
bridadan | 0:0782597771bc | 142 | // Initialize Ethernet interface first |
bridadan | 0:0782597771bc | 143 | ethernet_init(); |
bridadan | 0:0782597771bc | 144 | |
bridadan | 0:0782597771bc | 145 | // Initialize NSP node |
bridadan | 0:0782597771bc | 146 | nsp_init(); |
bridadan | 0:0782597771bc | 147 | |
bridadan | 0:0782597771bc | 148 | // Initialize NSDL stack |
bridadan | 0:0782597771bc | 149 | nsdl_init(); |
bridadan | 0:0782597771bc | 150 | |
bridadan | 0:0782597771bc | 151 | // Create NSDL resources |
bridadan | 0:0782597771bc | 152 | create_resources(); |
bridadan | 0:0782597771bc | 153 | |
bridadan | 0:0782597771bc | 154 | nsdl_event_loop_init(); |
bridadan | 0:0782597771bc | 155 | |
bridadan | 0:0782597771bc | 156 | while(true) { |
bridadan | 0:0782597771bc | 157 | // Check if any nsdl events need to be handled |
bridadan | 0:0782597771bc | 158 | nsdl_event_loop_run_once(); |
bridadan | 0:0782597771bc | 159 | |
bridadan | 0:0782597771bc | 160 | // Sample the color detector and potentially send samples to mDS |
bridadan | 0:0782597771bc | 161 | run_color_detector(); |
bridadan | 0:0782597771bc | 162 | } |
bridadan | 0:0782597771bc | 163 | } |