Same as mallet... but distance
Dependencies: EthernetInterface NetworkAPI mbed-rtos mbed
Fork of MalletFirmware by
main.cpp@22:523e316cbe70, 2014-12-03 (annotated)
- Committer:
- timmey9
- Date:
- Wed Dec 03 05:30:45 2014 +0000
- Revision:
- 22:523e316cbe70
- Parent:
- 21:1fb5023b72af
- Child:
- 23:9e5141647775
Motor, angle encoder, and analog sampling code is all copied in, but it is commented out. I'm slowly uncommenting it and verifying that it runs properly piece by piece. I also changed the namespace.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
timmey9 | 20:f533b3c9296f | 1 | // Server code |
donatien | 0:bb128f0e952f | 2 | #include "mbed.h" |
timmey9 | 22:523e316cbe70 | 3 | |
timmey9 | 22:523e316cbe70 | 4 | // Ethernet |
donatien | 0:bb128f0e952f | 5 | #include "EthernetInterface.h" |
timmey9 | 17:2f978f823020 | 6 | #include "NetworkAPI/buffer.hpp" |
timmey9 | 17:2f978f823020 | 7 | #include "NetworkAPI/select.hpp" |
timmey9 | 17:2f978f823020 | 8 | #include "NetworkAPI/ip/address.hpp" |
timmey9 | 17:2f978f823020 | 9 | #include "NetworkAPI/tcp/socket.hpp" |
timmey9 | 18:b17ddeeb1c09 | 10 | |
timmey9 | 22:523e316cbe70 | 11 | |
timmey9 | 22:523e316cbe70 | 12 | // Angle encoder and motor control |
timmey9 | 22:523e316cbe70 | 13 | #include "AngleEncoder.h" |
timmey9 | 22:523e316cbe70 | 14 | #include "MotorControl.h" |
timmey9 | 22:523e316cbe70 | 15 | |
timmey9 | 22:523e316cbe70 | 16 | // Analog sampling |
timmey9 | 22:523e316cbe70 | 17 | #include "PeripheralNames.h" |
timmey9 | 22:523e316cbe70 | 18 | #include "PeripheralPins.h" |
timmey9 | 22:523e316cbe70 | 19 | #include "fsl_adc_hal.h" |
timmey9 | 22:523e316cbe70 | 20 | #include "fsl_clock_manager.h" |
timmey9 | 22:523e316cbe70 | 21 | #include "fsl_dspi_hal.h" |
timmey9 | 22:523e316cbe70 | 22 | #include "AngleEncoder.h" |
timmey9 | 22:523e316cbe70 | 23 | |
timmey9 | 22:523e316cbe70 | 24 | |
timmey9 | 22:523e316cbe70 | 25 | /***************************************** |
timmey9 | 22:523e316cbe70 | 26 | * |
timmey9 | 22:523e316cbe70 | 27 | * Configuration |
timmey9 | 22:523e316cbe70 | 28 | * |
timmey9 | 22:523e316cbe70 | 29 | * Take the time to set these constants |
timmey9 | 22:523e316cbe70 | 30 | * |
timmey9 | 22:523e316cbe70 | 31 | *****************************************/ |
timmey9 | 21:1fb5023b72af | 32 | #define MALLET 6 // set mallet to a value between 1-7 |
timmey9 | 21:1fb5023b72af | 33 | #define STATIC 1 // set STATIC to 1 for static ip, set STATIC to 0 for dynamic |
timmey9 | 21:1fb5023b72af | 34 | #define PORT 22 // set to a random port number. All the mallets can use the same port number. |
timmey9 | 21:1fb5023b72af | 35 | #define MAX_CLIENTS 2 // set the max number of clients to at least 2 (first client is MATLAB, second is the distance unit) |
timmey9 | 22:523e316cbe70 | 36 | #define INVERT_ANGLE 0 // inverts whether the angle encoder counts up or down |
timmey9 | 22:523e316cbe70 | 37 | |
timmey9 | 22:523e316cbe70 | 38 | |
timmey9 | 21:1fb5023b72af | 39 | |
timmey9 | 21:1fb5023b72af | 40 | |
timmey9 | 21:1fb5023b72af | 41 | |
timmey9 | 22:523e316cbe70 | 42 | // Analog sampling |
timmey9 | 22:523e316cbe70 | 43 | #define MAX_FADC 6000000 |
timmey9 | 22:523e316cbe70 | 44 | #define SAMPLING_RATE 10000 // In microseconds, so 10 us will be a sampling rate of 100 kHz |
timmey9 | 22:523e316cbe70 | 45 | #define TOTAL_SAMPLES 300 // originally 30000 for 0.3 ms of sampling. |
timmey9 | 22:523e316cbe70 | 46 | |
timmey9 | 22:523e316cbe70 | 47 | #define LAST_SAMPLE_INDEX (TOTAL_SAMPLES-1) // If sampling time is 25 us, then 2000 corresponds to 50 ms |
timmey9 | 22:523e316cbe70 | 48 | #define FIRST_SAMPLE_INDEX 0 |
timmey9 | 22:523e316cbe70 | 49 | #define BEGIN_SAMPLING 0xFFFFFFFF |
timmey9 | 22:523e316cbe70 | 50 | #define WAITING_TO_BEGIN (BEGIN_SAMPLING-1) |
timmey9 | 22:523e316cbe70 | 51 | |
timmey9 | 22:523e316cbe70 | 52 | #define CHANNEL_STORAGE_OFFSET 16 // For storing the 16 bits and the 16 bits in a single 32 bit array |
timmey9 | 22:523e316cbe70 | 53 | #define PERIOD 3000 // make sure PERIOD >= ON_OFF_TIME |
timmey9 | 22:523e316cbe70 | 54 | #define ON_OFF_TIME 300 // time it takes for relay to turn on |
timmey9 | 22:523e316cbe70 | 55 | |
timmey9 | 22:523e316cbe70 | 56 | |
timmey9 | 22:523e316cbe70 | 57 | // Ethernet |
timmey9 | 22:523e316cbe70 | 58 | #define GATEWAY "169.254.225.1" |
timmey9 | 22:523e316cbe70 | 59 | #define MASK "255.255.0.0" |
timmey9 | 22:523e316cbe70 | 60 | |
timmey9 | 22:523e316cbe70 | 61 | // used for assign different mallets their ip addresses |
timmey9 | 21:1fb5023b72af | 62 | #if MALLET == 1 |
timmey9 | 22:523e316cbe70 | 63 | #define IP "169.254.225.206" |
timmey9 | 21:1fb5023b72af | 64 | #define NAME "Mallet1\n\r" |
timmey9 | 21:1fb5023b72af | 65 | |
timmey9 | 21:1fb5023b72af | 66 | #elif MALLET == 2 |
timmey9 | 22:523e316cbe70 | 67 | #define IP "169.254.225.207" |
timmey9 | 21:1fb5023b72af | 68 | #define NAME "Mallet2\n\r" |
timmey9 | 21:1fb5023b72af | 69 | |
timmey9 | 21:1fb5023b72af | 70 | #elif MALLET == 3 |
timmey9 | 22:523e316cbe70 | 71 | #define IP "169.254.225.208" |
timmey9 | 21:1fb5023b72af | 72 | #define NAME "Mallet3\n\r" |
timmey9 | 21:1fb5023b72af | 73 | |
timmey9 | 21:1fb5023b72af | 74 | #elif MALLET == 4 |
timmey9 | 22:523e316cbe70 | 75 | #define IP "169.254.225.209" |
timmey9 | 21:1fb5023b72af | 76 | #define NAME "Mallet4\n\r" |
timmey9 | 21:1fb5023b72af | 77 | |
timmey9 | 21:1fb5023b72af | 78 | #elif MALLET == 5 |
timmey9 | 22:523e316cbe70 | 79 | #define IP "169.254.225.210" |
timmey9 | 21:1fb5023b72af | 80 | #define NAME "Mallet5\n\r" |
timmey9 | 21:1fb5023b72af | 81 | |
timmey9 | 21:1fb5023b72af | 82 | #elif MALLET == 6 |
timmey9 | 22:523e316cbe70 | 83 | #define IP "169.254.225.211" |
timmey9 | 21:1fb5023b72af | 84 | #define NAME "Mallet6\n\r" |
timmey9 | 21:1fb5023b72af | 85 | |
timmey9 | 21:1fb5023b72af | 86 | #elif MALLET == 7 |
timmey9 | 22:523e316cbe70 | 87 | #define IP "169.254.225.212" |
timmey9 | 21:1fb5023b72af | 88 | #define NAME "Mallet7\n\r" |
timmey9 | 21:1fb5023b72af | 89 | |
timmey9 | 20:f533b3c9296f | 90 | #endif |
timmey9 | 20:f533b3c9296f | 91 | |
timmey9 | 21:1fb5023b72af | 92 | |
timmey9 | 22:523e316cbe70 | 93 | // for debug purposes |
timmey9 | 18:b17ddeeb1c09 | 94 | Serial pc(USBTX, USBRX); |
timmey9 | 18:b17ddeeb1c09 | 95 | DigitalOut led_red(LED_RED); |
timmey9 | 18:b17ddeeb1c09 | 96 | DigitalOut led_green(LED_GREEN); |
timmey9 | 18:b17ddeeb1c09 | 97 | DigitalOut led_blue(LED_BLUE); |
timmey9 | 18:b17ddeeb1c09 | 98 | |
timmey9 | 22:523e316cbe70 | 99 | /* |
timmey9 | 22:523e316cbe70 | 100 | // motor control and angle encoder |
timmey9 | 22:523e316cbe70 | 101 | MotorControl motor(PTC2, PTA2, PERIOD, ON_OFF_TIME); // forward, backward, period, safetyPeriod |
timmey9 | 22:523e316cbe70 | 102 | AngleEncoder angle_encoder(PTD2, PTD3, PTD1, PTD0, 8, 0, 1000000); // mosi, miso, sclk, cs, bit_width, mode, hz |
timmey9 | 22:523e316cbe70 | 103 | DigitalIn AMT20_A(PTC0); // input for quadrature encoding from angle encoder |
timmey9 | 22:523e316cbe70 | 104 | DigitalIn AMT20_B(PTC1); // input for quadrature encoding from angle encoder |
timmey9 | 22:523e316cbe70 | 105 | |
timmey9 | 22:523e316cbe70 | 106 | // Analog sampling |
timmey9 | 22:523e316cbe70 | 107 | Ticker Sampler; |
timmey9 | 22:523e316cbe70 | 108 | Timer timer; |
timmey9 | 22:523e316cbe70 | 109 | Timer timeStamp; |
timmey9 | 22:523e316cbe70 | 110 | AnalogIn A0_pin(A0); |
timmey9 | 22:523e316cbe70 | 111 | AnalogIn A2_pin(A2); |
timmey9 | 22:523e316cbe70 | 112 | |
timmey9 | 22:523e316cbe70 | 113 | //DigitalIn SW3_switch(PTA4); |
timmey9 | 22:523e316cbe70 | 114 | //DigitalIn SW2_switch(PTC6); |
timmey9 | 22:523e316cbe70 | 115 | |
timmey9 | 22:523e316cbe70 | 116 | |
timmey9 | 20:f533b3c9296f | 117 | |
timmey9 | 22:523e316cbe70 | 118 | |
timmey9 | 22:523e316cbe70 | 119 | uint32_t current_sample_index = WAITING_TO_BEGIN; |
timmey9 | 22:523e316cbe70 | 120 | uint32_t sample_array[TOTAL_SAMPLES]; |
timmey9 | 22:523e316cbe70 | 121 | uint16_t angle_array[TOTAL_SAMPLES]; |
timmey9 | 22:523e316cbe70 | 122 | |
timmey9 | 22:523e316cbe70 | 123 | |
timmey9 | 22:523e316cbe70 | 124 | // Declaration of functions |
timmey9 | 22:523e316cbe70 | 125 | void analog_initialization(PinName pin); |
timmey9 | 22:523e316cbe70 | 126 | void output_data(uint32_t iteration_number); |
timmey9 | 22:523e316cbe70 | 127 | void timed_sampling(); |
timmey9 | 22:523e316cbe70 | 128 | |
timmey9 | 22:523e316cbe70 | 129 | |
timmey9 | 22:523e316cbe70 | 130 | // Important globabl variables necessary for the sampling every interval |
timmey9 | 22:523e316cbe70 | 131 | int rotary_count = 0; |
timmey9 | 22:523e316cbe70 | 132 | uint32_t last_AMT20_AB_read = 0; |
timmey9 | 22:523e316cbe70 | 133 | */ |
timmey9 | 22:523e316cbe70 | 134 | //using namespace network; |
timmey9 | 22:523e316cbe70 | 135 | using namespace std; |
timmey9 | 17:2f978f823020 | 136 | |
emilmont | 7:65188f4a8c25 | 137 | int main() { |
timmey9 | 22:523e316cbe70 | 138 | uint32_t sample_array[TOTAL_SAMPLES]; |
timmey9 | 22:523e316cbe70 | 139 | for(int i = 0; i < TOTAL_SAMPLES; i++) {sample_array[i] = i;} |
timmey9 | 22:523e316cbe70 | 140 | led_blue = 1; |
timmey9 | 22:523e316cbe70 | 141 | led_green = 1; |
timmey9 | 18:b17ddeeb1c09 | 142 | led_red = 1; |
timmey9 | 22:523e316cbe70 | 143 | |
timmey9 | 18:b17ddeeb1c09 | 144 | pc.baud(230400); |
timmey9 | 18:b17ddeeb1c09 | 145 | pc.printf("Starting Server\r\n"); |
timmey9 | 22:523e316cbe70 | 146 | /* |
timmey9 | 22:523e316cbe70 | 147 | analog_initialization(A0); |
timmey9 | 22:523e316cbe70 | 148 | analog_initialization(A2); |
timmey9 | 20:f533b3c9296f | 149 | |
timmey9 | 22:523e316cbe70 | 150 | // setup this timer |
timmey9 | 22:523e316cbe70 | 151 | timeStamp.stop(); |
timmey9 | 22:523e316cbe70 | 152 | timeStamp.reset(); |
timmey9 | 22:523e316cbe70 | 153 | |
timmey9 | 22:523e316cbe70 | 154 | // Start the sampling loop |
timmey9 | 22:523e316cbe70 | 155 | current_sample_index = WAITING_TO_BEGIN; |
timmey9 | 22:523e316cbe70 | 156 | Sampler.attach_us(&timed_sampling, SAMPLING_RATE); |
timmey9 | 22:523e316cbe70 | 157 | __disable_irq(); // Disable Interrupts |
timmey9 | 22:523e316cbe70 | 158 | timer.reset(); |
timmey9 | 22:523e316cbe70 | 159 | timer.start(); |
timmey9 | 22:523e316cbe70 | 160 | |
timmey9 | 22:523e316cbe70 | 161 | uint32_t trigger_count = 0; |
timmey9 | 22:523e316cbe70 | 162 | |
timmey9 | 22:523e316cbe70 | 163 | // corresponding duty 1 0 0.7 1 0.75 |
timmey9 | 22:523e316cbe70 | 164 | uint32_t duration[8] = {10000, 60000, 10000, 39000, 7000, 7000, 0, 0}; |
timmey9 | 22:523e316cbe70 | 165 | //uint32_t duration[8] = {10000, 100000, 10000, 92000, 25000, 7000, 0, 0}; |
timmey9 | 22:523e316cbe70 | 166 | int32_t pointer = 0; |
timmey9 | 22:523e316cbe70 | 167 | |
timmey9 | 22:523e316cbe70 | 168 | double duty_cycle = 0.25; |
timmey9 | 22:523e316cbe70 | 169 | */ |
timmey9 | 22:523e316cbe70 | 170 | // flash red LED |
timmey9 | 22:523e316cbe70 | 171 | led_red = 0; |
timmey9 | 22:523e316cbe70 | 172 | wait_ms(500); |
timmey9 | 22:523e316cbe70 | 173 | led_red = 1; |
timmey9 | 22:523e316cbe70 | 174 | |
timmey9 | 22:523e316cbe70 | 175 | |
timmey9 | 22:523e316cbe70 | 176 | |
timmey9 | 22:523e316cbe70 | 177 | |
timmey9 | 22:523e316cbe70 | 178 | |
timmey9 | 22:523e316cbe70 | 179 | |
timmey9 | 22:523e316cbe70 | 180 | |
timmey9 | 22:523e316cbe70 | 181 | // initialize ethernet connection and server |
timmey9 | 17:2f978f823020 | 182 | EthernetInterface interface; |
timmey9 | 22:523e316cbe70 | 183 | |
timmey9 | 21:1fb5023b72af | 184 | #if STATIC == 1 |
timmey9 | 20:f533b3c9296f | 185 | interface.init(IP, MASK, GATEWAY); |
timmey9 | 20:f533b3c9296f | 186 | #else |
timmey9 | 17:2f978f823020 | 187 | interface.init(); |
timmey9 | 20:f533b3c9296f | 188 | #endif |
timmey9 | 21:1fb5023b72af | 189 | |
timmey9 | 22:523e316cbe70 | 190 | // turn on yellow led |
timmey9 | 22:523e316cbe70 | 191 | led_red = 0; |
timmey9 | 22:523e316cbe70 | 192 | led_green = 0; |
timmey9 | 22:523e316cbe70 | 193 | |
timmey9 | 17:2f978f823020 | 194 | interface.connect(); |
timmey9 | 21:1fb5023b72af | 195 | pc.printf(NAME); |
timmey9 | 20:f533b3c9296f | 196 | pc.printf("IP Address is: %s\n\r", interface.getIPAddress()); |
timmey9 | 20:f533b3c9296f | 197 | pc.printf("Network Mask is: %s\n\r", interface.getNetworkMask()); |
timmey9 | 20:f533b3c9296f | 198 | pc.printf("MAC address is: %s\n\r", interface.getMACAddress()); |
timmey9 | 20:f533b3c9296f | 199 | pc.printf("Gateway is: %s\n\r", interface.getGateway()); |
timmey9 | 21:1fb5023b72af | 200 | pc.printf("Port is: %i\n\r", PORT); |
timmey9 | 20:f533b3c9296f | 201 | |
timmey9 | 22:523e316cbe70 | 202 | // ethernet setup failed for some reason. Flash yellow light then uC resets itself |
timmey9 | 22:523e316cbe70 | 203 | /*if(interface.getIPAddress() == 0) |
timmey9 | 22:523e316cbe70 | 204 | { |
timmey9 | 22:523e316cbe70 | 205 | for(int i = 0; i < 5; i++) |
timmey9 | 22:523e316cbe70 | 206 | { |
timmey9 | 22:523e316cbe70 | 207 | led_red = 0; |
timmey9 | 22:523e316cbe70 | 208 | led_green = 0; |
timmey9 | 22:523e316cbe70 | 209 | wait_ms(500); |
timmey9 | 22:523e316cbe70 | 210 | led_red = 1; |
timmey9 | 22:523e316cbe70 | 211 | led_green = 1; |
timmey9 | 22:523e316cbe70 | 212 | wait_ms(1000); |
timmey9 | 22:523e316cbe70 | 213 | } |
timmey9 | 22:523e316cbe70 | 214 | NVIC_SystemReset(); |
timmey9 | 22:523e316cbe70 | 215 | }*/ |
timmey9 | 22:523e316cbe70 | 216 | |
timmey9 | 22:523e316cbe70 | 217 | network::Select select; |
timmey9 | 22:523e316cbe70 | 218 | network::tcp::Socket server; |
timmey9 | 22:523e316cbe70 | 219 | network::tcp::Socket client[MAX_CLIENTS]; |
timmey9 | 22:523e316cbe70 | 220 | network::tcp::Socket *socket = NULL; |
timmey9 | 17:2f978f823020 | 221 | |
timmey9 | 17:2f978f823020 | 222 | int result = 0; |
timmey9 | 17:2f978f823020 | 223 | int index = 0; |
timmey9 | 17:2f978f823020 | 224 | |
timmey9 | 22:523e316cbe70 | 225 | network::Buffer buffer(TOTAL_SAMPLES); |
timmey9 | 21:1fb5023b72af | 226 | std::string message(NAME); |
timmey9 | 17:2f978f823020 | 227 | |
timmey9 | 21:1fb5023b72af | 228 | // Configure the server socket (assume every thing works) |
timmey9 | 17:2f978f823020 | 229 | server.open(); |
timmey9 | 20:f533b3c9296f | 230 | server.bind(PORT); |
timmey9 | 17:2f978f823020 | 231 | server.listen(MAX_CLIENTS); |
timmey9 | 17:2f978f823020 | 232 | |
timmey9 | 17:2f978f823020 | 233 | // Add sockets to the select api |
timmey9 | 22:523e316cbe70 | 234 | select.set(&server, network::Select::Read); |
timmey9 | 17:2f978f823020 | 235 | for (index = 0; index < MAX_CLIENTS; index++) { |
timmey9 | 22:523e316cbe70 | 236 | select.set(&client[index], network::Select::Read); |
timmey9 | 17:2f978f823020 | 237 | } |
timmey9 | 22:523e316cbe70 | 238 | |
timmey9 | 22:523e316cbe70 | 239 | led_red = 1; |
timmey9 | 22:523e316cbe70 | 240 | led_green = 1; |
timmey9 | 22:523e316cbe70 | 241 | led_blue = 0; |
timmey9 | 22:523e316cbe70 | 242 | wait_ms(1000); |
timmey9 | 22:523e316cbe70 | 243 | led_blue = 1; |
timmey9 | 22:523e316cbe70 | 244 | |
timmey9 | 22:523e316cbe70 | 245 | |
timmey9 | 17:2f978f823020 | 246 | do { |
timmey9 | 17:2f978f823020 | 247 | // Wait for activity |
timmey9 | 17:2f978f823020 | 248 | result = select.wait(); |
timmey9 | 17:2f978f823020 | 249 | if (result < -1) { |
timmey9 | 18:b17ddeeb1c09 | 250 | pc.printf("Failed to select\n\r"); |
emilmont | 7:65188f4a8c25 | 251 | break; |
timmey9 | 16:c3f922f61b8f | 252 | } |
timmey9 | 17:2f978f823020 | 253 | |
timmey9 | 17:2f978f823020 | 254 | // Get the first socket |
timmey9 | 22:523e316cbe70 | 255 | socket = (network::tcp::Socket *)select.getReadable(); |
timmey9 | 17:2f978f823020 | 256 | |
timmey9 | 22:523e316cbe70 | 257 | for (; socket != NULL; socket = (network::tcp::Socket *)select.getReadable()) { |
timmey9 | 17:2f978f823020 | 258 | // Check if there was a connection request. |
timmey9 | 17:2f978f823020 | 259 | if (socket->getHandle() == server.getHandle()) { |
timmey9 | 17:2f978f823020 | 260 | // Find an unused client |
timmey9 | 17:2f978f823020 | 261 | for (index = 0; index < MAX_CLIENTS; index++) { |
timmey9 | 17:2f978f823020 | 262 | if (client[index].getStatus() == network::Socket::Closed) { |
timmey9 | 17:2f978f823020 | 263 | break; |
timmey9 | 17:2f978f823020 | 264 | } |
timmey9 | 17:2f978f823020 | 265 | } |
timmey9 | 17:2f978f823020 | 266 | |
timmey9 | 17:2f978f823020 | 267 | // Maximum connections reached |
timmey9 | 17:2f978f823020 | 268 | if (index == MAX_CLIENTS) { |
timmey9 | 18:b17ddeeb1c09 | 269 | pc.printf("Maximum connections reached\n\r"); |
timmey9 | 21:1fb5023b72af | 270 | wait(1); |
timmey9 | 17:2f978f823020 | 271 | continue; |
timmey9 | 17:2f978f823020 | 272 | } |
timmey9 | 20:f533b3c9296f | 273 | |
timmey9 | 17:2f978f823020 | 274 | // Accept the client |
timmey9 | 17:2f978f823020 | 275 | socket->accept(client[index]); |
timmey9 | 18:b17ddeeb1c09 | 276 | pc.printf("Client connected %s:%d\n\r", |
timmey9 | 17:2f978f823020 | 277 | client[index].getRemoteEndpoint().getAddress().toString().c_str(), |
timmey9 | 17:2f978f823020 | 278 | client[index].getRemoteEndpoint().getPort()); |
timmey9 | 17:2f978f823020 | 279 | |
timmey9 | 21:1fb5023b72af | 280 | // Send a nice message to the client (tell MATLAB your name |
timmey9 | 17:2f978f823020 | 281 | client[index].write((void *)message.data(), message.size()); |
timmey9 | 20:f533b3c9296f | 282 | |
timmey9 | 20:f533b3c9296f | 283 | // read some registers for some info. |
timmey9 | 20:f533b3c9296f | 284 | //uint32_t* rcr = (uint32_t*) 0x400C0084; |
timmey9 | 20:f533b3c9296f | 285 | //uint32_t* ecr = (uint32_t*) 0x400C0024; |
timmey9 | 20:f533b3c9296f | 286 | //pc.printf("RCR register: %x\r\n", *rcr); |
timmey9 | 20:f533b3c9296f | 287 | //pc.printf("ECR register: %x\r\n", *ecr); |
timmey9 | 20:f533b3c9296f | 288 | |
timmey9 | 17:2f978f823020 | 289 | continue; |
timmey9 | 16:c3f922f61b8f | 290 | } |
timmey9 | 20:f533b3c9296f | 291 | |
timmey9 | 17:2f978f823020 | 292 | // It was not the server socket, so it must be a client talking to us. |
timmey9 | 17:2f978f823020 | 293 | switch (socket->read(buffer)) { |
timmey9 | 17:2f978f823020 | 294 | case 0: |
timmey9 | 17:2f978f823020 | 295 | // Remote end disconnected |
timmey9 | 18:b17ddeeb1c09 | 296 | pc.printf("Client disconnected %s:%d\n\r", |
timmey9 | 17:2f978f823020 | 297 | socket->getRemoteEndpoint().getAddress().toString().c_str(), |
timmey9 | 17:2f978f823020 | 298 | socket->getRemoteEndpoint().getPort()); |
timmey9 | 17:2f978f823020 | 299 | |
timmey9 | 17:2f978f823020 | 300 | // Close socket |
timmey9 | 17:2f978f823020 | 301 | socket->close(); |
timmey9 | 17:2f978f823020 | 302 | break; |
timmey9 | 20:f533b3c9296f | 303 | |
timmey9 | 17:2f978f823020 | 304 | case -1: |
timmey9 | 18:b17ddeeb1c09 | 305 | pc.printf("Error while reading data from socket\n\r"); |
timmey9 | 17:2f978f823020 | 306 | socket->close(); |
timmey9 | 17:2f978f823020 | 307 | break; |
timmey9 | 20:f533b3c9296f | 308 | //************* this is where data is printed to the screen |
timmey9 | 17:2f978f823020 | 309 | default: |
timmey9 | 18:b17ddeeb1c09 | 310 | pc.printf("Message from %s:%d\n\r", |
timmey9 | 17:2f978f823020 | 311 | socket->getRemoteEndpoint().getAddress().toString().c_str(), |
timmey9 | 17:2f978f823020 | 312 | socket->getRemoteEndpoint().getPort()); |
timmey9 | 17:2f978f823020 | 313 | |
timmey9 | 21:1fb5023b72af | 314 | pc.printf("%s\n\r", (char *)buffer.data()); |
timmey9 | 21:1fb5023b72af | 315 | |
timmey9 | 21:1fb5023b72af | 316 | // read first character for command |
timmey9 | 21:1fb5023b72af | 317 | char command[2]; |
timmey9 | 21:1fb5023b72af | 318 | buffer.read(command,2,0); |
timmey9 | 21:1fb5023b72af | 319 | if(command[1] == ':') { |
timmey9 | 21:1fb5023b72af | 320 | switch(command[0]) |
timmey9 | 21:1fb5023b72af | 321 | { |
timmey9 | 21:1fb5023b72af | 322 | case 'b': |
timmey9 | 21:1fb5023b72af | 323 | led_blue = !led_blue; |
timmey9 | 21:1fb5023b72af | 324 | client[index].write((void *)"Blue LED\n",9); |
timmey9 | 21:1fb5023b72af | 325 | break; |
timmey9 | 21:1fb5023b72af | 326 | case 'r': |
timmey9 | 21:1fb5023b72af | 327 | led_red = !led_red; |
timmey9 | 21:1fb5023b72af | 328 | client[index].write((void *)"Red LED\n",8); |
timmey9 | 21:1fb5023b72af | 329 | break; |
timmey9 | 21:1fb5023b72af | 330 | case 'p': |
timmey9 | 21:1fb5023b72af | 331 | led_green = !led_green; |
timmey9 | 21:1fb5023b72af | 332 | client[index].write((void *)"Data\n",5); |
timmey9 | 22:523e316cbe70 | 333 | client[index].write((void *)&sample_array,TOTAL_SAMPLES); |
timmey9 | 21:1fb5023b72af | 334 | } |
timmey9 | 21:1fb5023b72af | 335 | } |
timmey9 | 21:1fb5023b72af | 336 | else { |
timmey9 | 21:1fb5023b72af | 337 | |
timmey9 | 21:1fb5023b72af | 338 | } |
timmey9 | 21:1fb5023b72af | 339 | |
timmey9 | 21:1fb5023b72af | 340 | |
timmey9 | 20:f533b3c9296f | 341 | |
timmey9 | 20:f533b3c9296f | 342 | //***************** print a message back to the client |
timmey9 | 21:1fb5023b72af | 343 | |
timmey9 | 21:1fb5023b72af | 344 | //client[index].write((void *)&sample_array,SAMPLES); |
timmey9 | 21:1fb5023b72af | 345 | |
timmey9 | 21:1fb5023b72af | 346 | |
timmey9 | 21:1fb5023b72af | 347 | |
timmey9 | 20:f533b3c9296f | 348 | |
timmey9 | 21:1fb5023b72af | 349 | /*for(int i = 1; i <= SAMPLES+1;) |
timmey9 | 21:1fb5023b72af | 350 | { |
timmey9 | 21:1fb5023b72af | 351 | for(int j = 0; j < 20; j++) |
timmey9 | 21:1fb5023b72af | 352 | { |
timmey9 | 21:1fb5023b72af | 353 | Timer timeStamp; |
timmey9 | 21:1fb5023b72af | 354 | timeStamp.stop(); |
timmey9 | 21:1fb5023b72af | 355 | timeStamp.reset(); |
timmey9 | 21:1fb5023b72af | 356 | timeStamp.start(); |
timmey9 | 21:1fb5023b72af | 357 | |
timmey9 | 21:1fb5023b72af | 358 | client[index].write((void *)&sample_array,i); |
timmey9 | 21:1fb5023b72af | 359 | int timeStampVar = timeStamp.read_us(); |
timmey9 | 21:1fb5023b72af | 360 | timeStamp.stop(); |
timmey9 | 21:1fb5023b72af | 361 | |
timmey9 | 21:1fb5023b72af | 362 | pc.printf("*******\r\n%i\r\nTime taken to send data: %i\r\n", i,timeStampVar); |
timmey9 | 21:1fb5023b72af | 363 | |
timmey9 | 21:1fb5023b72af | 364 | char premessage[40]; |
timmey9 | 21:1fb5023b72af | 365 | sprintf(premessage, "******\r\n%i\r\nTime taken to send data: %i\r\n", i, timeStampVar); |
timmey9 | 21:1fb5023b72af | 366 | std::string response1 = premessage; |
timmey9 | 21:1fb5023b72af | 367 | client[index].write((void *)response1.data(), response1.size()); |
timmey9 | 21:1fb5023b72af | 368 | wait_us(5000); |
timmey9 | 21:1fb5023b72af | 369 | } |
timmey9 | 21:1fb5023b72af | 370 | if(i == 10000) i = SAMPLES; |
timmey9 | 21:1fb5023b72af | 371 | else if(i == SAMPLES) i = i*10; |
timmey9 | 21:1fb5023b72af | 372 | else i = i*10; |
timmey9 | 21:1fb5023b72af | 373 | } |
timmey9 | 21:1fb5023b72af | 374 | std::string endMessage("end"); |
timmey9 | 21:1fb5023b72af | 375 | client[index].write((void *)endMessage.data(), endMessage.size()); |
timmey9 | 21:1fb5023b72af | 376 | */ |
timmey9 | 17:2f978f823020 | 377 | break; |
timmey9 | 17:2f978f823020 | 378 | } |
timmey9 | 16:c3f922f61b8f | 379 | } |
timmey9 | 17:2f978f823020 | 380 | |
timmey9 | 17:2f978f823020 | 381 | } while (server.getStatus() == network::Socket::Listening); |
timmey9 | 22:523e316cbe70 | 382 | } |
timmey9 | 22:523e316cbe70 | 383 | /* |
timmey9 | 22:523e316cbe70 | 384 | void timed_sampling() { |
timmey9 | 22:523e316cbe70 | 385 | __disable_irq(); // Disable Interrupts |
timmey9 | 22:523e316cbe70 | 386 | timeStamp.start(); |
timmey9 | 22:523e316cbe70 | 387 | |
timmey9 | 22:523e316cbe70 | 388 | // The following performs analog-to-digital conversions - first reading the last conversion - then initiating another |
timmey9 | 22:523e316cbe70 | 389 | uint32_t A0_value = adc_hal_get_conversion_value(0, 0); |
timmey9 | 22:523e316cbe70 | 390 | uint32_t A2_value = adc_hal_get_conversion_value(1, 0); |
timmey9 | 22:523e316cbe70 | 391 | BW_ADC_SC1n_ADCH(0, 0, kAdcChannel12); // This corresponds to starting an ADC conversion on channel 12 of ADC 0 - which is A0 (PTB2) |
timmey9 | 22:523e316cbe70 | 392 | BW_ADC_SC1n_ADCH(1, 0, kAdcChannel14); // This corresponds to starting an ADC conversion on channel 14 of ADC 1 - which is A2 (PTB10) |
timmey9 | 22:523e316cbe70 | 393 | |
timmey9 | 22:523e316cbe70 | 394 | // The following updates the rotary counter for the AMT20 sensor |
timmey9 | 22:523e316cbe70 | 395 | // Put A on PTC0 |
timmey9 | 22:523e316cbe70 | 396 | // Put B on PTC1 |
timmey9 | 22:523e316cbe70 | 397 | uint32_t AMT20_AB = HW_GPIO_PDIR_RD(HW_PORTC) & 0x03; |
timmey9 | 22:523e316cbe70 | 398 | //AMT20_AB = ~last_AMT20_AB_read; // Used to force a count - extend time. |
timmey9 | 22:523e316cbe70 | 399 | if (AMT20_AB != last_AMT20_AB_read) |
timmey9 | 22:523e316cbe70 | 400 | { |
timmey9 | 22:523e316cbe70 | 401 | // change "INVERT_ANGLE" to change whether relative angle counts up or down. |
timmey9 | 22:523e316cbe70 | 402 | if ((AMT20_AB >> 1)^(last_AMT20_AB_read) & 1U) |
timmey9 | 22:523e316cbe70 | 403 | #if INVERT_ANGLE == 1 |
timmey9 | 22:523e316cbe70 | 404 | {rotary_count--;} |
timmey9 | 22:523e316cbe70 | 405 | else |
timmey9 | 22:523e316cbe70 | 406 | {rotary_count++;} |
timmey9 | 22:523e316cbe70 | 407 | #else |
timmey9 | 22:523e316cbe70 | 408 | {rotary_count++;} |
timmey9 | 22:523e316cbe70 | 409 | else |
timmey9 | 22:523e316cbe70 | 410 | {rotary_count--;} |
timmey9 | 22:523e316cbe70 | 411 | #endif |
timmey9 | 22:523e316cbe70 | 412 | |
timmey9 | 22:523e316cbe70 | 413 | last_AMT20_AB_read = AMT20_AB; |
timmey9 | 22:523e316cbe70 | 414 | } |
timmey9 | 22:523e316cbe70 | 415 | //current_sample_index = BEGIN_SAMPLING; // Used to force extra time. |
timmey9 | 22:523e316cbe70 | 416 | if (current_sample_index == WAITING_TO_BEGIN) {} |
timmey9 | 22:523e316cbe70 | 417 | else |
timmey9 | 22:523e316cbe70 | 418 | { |
timmey9 | 22:523e316cbe70 | 419 | if (current_sample_index == BEGIN_SAMPLING) { |
timmey9 | 22:523e316cbe70 | 420 | current_sample_index = FIRST_SAMPLE_INDEX; |
timmey9 | 22:523e316cbe70 | 421 | } |
timmey9 | 22:523e316cbe70 | 422 | |
timmey9 | 22:523e316cbe70 | 423 | sample_array[current_sample_index] = (A0_value << CHANNEL_STORAGE_OFFSET) | A2_value; |
timmey9 | 22:523e316cbe70 | 424 | |
timmey9 | 22:523e316cbe70 | 425 | angle_array[current_sample_index] = rotary_count; |
timmey9 | 22:523e316cbe70 | 426 | |
timmey9 | 22:523e316cbe70 | 427 | if (current_sample_index == LAST_SAMPLE_INDEX) { |
timmey9 | 22:523e316cbe70 | 428 | current_sample_index = WAITING_TO_BEGIN; |
timmey9 | 22:523e316cbe70 | 429 | //led_green = 1; |
timmey9 | 22:523e316cbe70 | 430 | } |
timmey9 | 22:523e316cbe70 | 431 | else { current_sample_index++; } |
timmey9 | 22:523e316cbe70 | 432 | } |
timmey9 | 22:523e316cbe70 | 433 | |
timmey9 | 22:523e316cbe70 | 434 | int tempVar = timeStamp.read_us(); |
timmey9 | 22:523e316cbe70 | 435 | timeStamp.stop(); |
timmey9 | 22:523e316cbe70 | 436 | timeStamp.reset(); |
timmey9 | 22:523e316cbe70 | 437 | pc.printf("TimeStamp: %i\r\n", tempVar); |
timmey9 | 22:523e316cbe70 | 438 | __enable_irq(); // Enable Interrupts |
timmey9 | 22:523e316cbe70 | 439 | } |
timmey9 | 22:523e316cbe70 | 440 | |
timmey9 | 22:523e316cbe70 | 441 | void analog_initialization(PinName pin) |
timmey9 | 22:523e316cbe70 | 442 | { |
timmey9 | 22:523e316cbe70 | 443 | ADCName adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC); |
timmey9 | 22:523e316cbe70 | 444 | // MBED_ASSERT(adc != (ADCName)NC); |
timmey9 | 22:523e316cbe70 | 445 | |
timmey9 | 22:523e316cbe70 | 446 | uint32_t instance = adc >> ADC_INSTANCE_SHIFT; |
timmey9 | 22:523e316cbe70 | 447 | |
timmey9 | 22:523e316cbe70 | 448 | clock_manager_set_gate(kClockModuleADC, instance, true); |
timmey9 | 22:523e316cbe70 | 449 | |
timmey9 | 22:523e316cbe70 | 450 | uint32_t bus_clock; |
timmey9 | 22:523e316cbe70 | 451 | clock_manager_get_frequency(kBusClock, &bus_clock); |
timmey9 | 22:523e316cbe70 | 452 | uint32_t clkdiv; |
timmey9 | 22:523e316cbe70 | 453 | for (clkdiv = 0; clkdiv < 4; clkdiv++) { |
timmey9 | 22:523e316cbe70 | 454 | if ((bus_clock >> clkdiv) <= MAX_FADC) |
timmey9 | 22:523e316cbe70 | 455 | break; |
timmey9 | 22:523e316cbe70 | 456 | } |
timmey9 | 22:523e316cbe70 | 457 | if (clkdiv == 4) { |
timmey9 | 22:523e316cbe70 | 458 | clkdiv = 0x7; //Set max div |
timmey9 | 22:523e316cbe70 | 459 | } |
timmey9 | 22:523e316cbe70 | 460 | // adc is enabled/triggered when reading. |
timmey9 | 22:523e316cbe70 | 461 | adc_hal_set_clock_source_mode(instance, (adc_clock_source_mode_t)(clkdiv >> 2)); |
timmey9 | 22:523e316cbe70 | 462 | adc_hal_set_clock_divider_mode(instance, (adc_clock_divider_mode_t)(clkdiv & 0x3)); |
timmey9 | 22:523e316cbe70 | 463 | adc_hal_set_reference_voltage_mode(instance, kAdcVoltageVref); |
timmey9 | 22:523e316cbe70 | 464 | adc_hal_set_resolution_mode(instance, kAdcSingleDiff16); |
timmey9 | 22:523e316cbe70 | 465 | adc_hal_configure_continuous_conversion(instance, false); |
timmey9 | 22:523e316cbe70 | 466 | adc_hal_configure_hw_trigger(instance, false); // sw trigger |
timmey9 | 22:523e316cbe70 | 467 | adc_hal_configure_hw_average(instance, false); |
timmey9 | 22:523e316cbe70 | 468 | adc_hal_set_hw_average_mode(instance, kAdcHwAverageCount4); |
timmey9 | 22:523e316cbe70 | 469 | adc_hal_set_group_mux(instance, kAdcChannelMuxB); // only B channels are avail |
timmey9 | 22:523e316cbe70 | 470 | |
timmey9 | 22:523e316cbe70 | 471 | pinmap_pinout(pin, PinMap_ADC); |
timmey9 | 22:523e316cbe70 | 472 | } |
timmey9 | 22:523e316cbe70 | 473 | |
timmey9 | 22:523e316cbe70 | 474 | void output_data(uint32_t iteration_number) |
timmey9 | 22:523e316cbe70 | 475 | { |
timmey9 | 22:523e316cbe70 | 476 | pc.printf("Iteration: %i\n\r", iteration_number); |
timmey9 | 22:523e316cbe70 | 477 | pc.printf("Sampling rate: %i\n\r", SAMPLING_RATE); |
timmey9 | 22:523e316cbe70 | 478 | pc.printf("Data length: %i\n\r", TOTAL_SAMPLES); |
timmey9 | 22:523e316cbe70 | 479 | for (int n = FIRST_SAMPLE_INDEX; n <= LAST_SAMPLE_INDEX; n++) { |
timmey9 | 22:523e316cbe70 | 480 | //pc.printf("%i\t%i\t%i\r\n", (sample_array[n] >> CHANNEL_STORAGE_OFFSET), (sample_array[n] & 0xFFFF), angle_array[n]); |
timmey9 | 22:523e316cbe70 | 481 | } |
timmey9 | 22:523e316cbe70 | 482 | |
timmey9 | 22:523e316cbe70 | 483 | } |
timmey9 | 22:523e316cbe70 | 484 | */ |