ReSpeaker Switch V02
Dependencies: mbed MbedJSONValue
main.cpp@1:2b61ae8e6f94, 2018-02-04 (annotated)
- Committer:
- Arkadi
- Date:
- Sun Feb 04 11:43:12 2018 +0000
- Revision:
- 1:2b61ae8e6f94
- Parent:
- 0:f65ba5fb350e
- Child:
- 2:5c531dfe890b
Updated to json parser
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Arkadi | 0:f65ba5fb350e | 1 | //////////////////////////////////////// |
Arkadi | 1:2b61ae8e6f94 | 2 | // Tau_ReSpeaker_Sitch_V01 // |
Arkadi | 0:f65ba5fb350e | 3 | // Arkadiraf@gmail.com - 05/06/2017 // |
Arkadi | 0:f65ba5fb350e | 4 | //////////////////////////////////////// |
Arkadi | 0:f65ba5fb350e | 5 | /* |
Arkadi | 0:f65ba5fb350e | 6 | Receive byte from pc to reroute input outputs |
Arkadi | 1:2b61ae8e6f94 | 7 | b1xxxxxxx (0x8x) - define input port; b10000000 - port 0, b10000001 - port 1, b10000010 - port 2 etc , b10000011 - port 3 etc. |
Arkadi | 0:f65ba5fb350e | 8 | b0xxxxxxx - define output ports; b10000001 - port 1, b10000011 - port 1&2, b10000000 - non. |
Arkadi | 1:2b61ae8e6f94 | 9 | off all: 0x00 |
Arkadi | 1:2b61ae8e6f94 | 10 | All ports: 0x1f |
Arkadi | 1:2b61ae8e6f94 | 11 | speaker 5: 0x10 |
Arkadi | 1:2b61ae8e6f94 | 12 | speaker 1: 0x01 |
Arkadi | 1:2b61ae8e6f94 | 13 | |
Arkadi | 1:2b61ae8e6f94 | 14 | Alternative json format: |
Arkadi | 1:2b61ae8e6f94 | 15 | Json Format: {"mic":0, "spk": [0,1,0,0,0]} |
Arkadi | 1:2b61ae8e6f94 | 16 | |
Arkadi | 0:f65ba5fb350e | 17 | */ |
Arkadi | 0:f65ba5fb350e | 18 | |
Arkadi | 0:f65ba5fb350e | 19 | /* |
Arkadi | 0:f65ba5fb350e | 20 | Board : Nucleo STM32F446RE |
Arkadi | 0:f65ba5fb350e | 21 | Power Source : USB || Jumper 5V source from STM32 DSP board |
Arkadi | 0:f65ba5fb350e | 22 | */ |
Arkadi | 0:f65ba5fb350e | 23 | |
Arkadi | 0:f65ba5fb350e | 24 | /* |
Arkadi | 0:f65ba5fb350e | 25 | Nucleo board modification: |
Arkadi | 1:2b61ae8e6f94 | 26 | to use PH_0(MUX_S2) as IO modify boards as followed: |
Arkadi | 0:f65ba5fb350e | 27 | SB54 and SB55 ON |
Arkadi | 0:f65ba5fb350e | 28 | SB16 and SB50 (MCO) OFF |
Arkadi | 1:2b61ae8e6f94 | 29 | http://www.st.com/content/ccc/resource/technical/document/user_manual/98/2e/fa/4b/e0/82/43/b7/DM00105823.pdf/files/DM00105823.pdf/jcr:content/translations/en.DM00105823.pdf |
Arkadi | 0:f65ba5fb350e | 30 | */ |
Arkadi | 0:f65ba5fb350e | 31 | |
Arkadi | 0:f65ba5fb350e | 32 | /* |
Arkadi | 0:f65ba5fb350e | 33 | Pinout: |
Arkadi | 0:f65ba5fb350e | 34 | PC - Serial 2 |
Arkadi | 0:f65ba5fb350e | 35 | PA_2 (Tx) --> STLINK |
Arkadi | 0:f65ba5fb350e | 36 | PA_3 (Rx) --> STLINK |
Arkadi | 0:f65ba5fb350e | 37 | |
Arkadi | 0:f65ba5fb350e | 38 | Switch - Serial 3 |
Arkadi | 0:f65ba5fb350e | 39 | PC_10 (Tx) --> SW_Rx |
Arkadi | 0:f65ba5fb350e | 40 | PC_11 (Rx) --> SW_Tx |
Arkadi | 0:f65ba5fb350e | 41 | |
Arkadi | 0:f65ba5fb350e | 42 | I2C_Bus |
Arkadi | 0:f65ba5fb350e | 43 | PB_8 --> SCL |
Arkadi | 0:f65ba5fb350e | 44 | PB_9 --> SDA |
Arkadi | 0:f65ba5fb350e | 45 | |
Arkadi | 0:f65ba5fb350e | 46 | Digital output : |
Arkadi | 0:f65ba5fb350e | 47 | PA_5 --> led (DigitalOut) |
Arkadi | 0:f65ba5fb350e | 48 | PA_10 --> SW_Trigger |
Arkadi | 0:f65ba5fb350e | 49 | |
Arkadi | 0:f65ba5fb350e | 50 | MUX: CD74HC4067 |
Arkadi | 0:f65ba5fb350e | 51 | PC_12 --> MUX_S0 |
Arkadi | 0:f65ba5fb350e | 52 | PD_2 --> MUX_S1 |
Arkadi | 0:f65ba5fb350e | 53 | PH_0 --> MUX_S2 |
Arkadi | 0:f65ba5fb350e | 54 | PH_1 --> MUX_S3 |
Arkadi | 0:f65ba5fb350e | 55 | |
Arkadi | 0:f65ba5fb350e | 56 | Speaker Switch : SN74LVC1G3157 |
Arkadi | 0:f65ba5fb350e | 57 | PB_2 --> EN_SPK_1 |
Arkadi | 0:f65ba5fb350e | 58 | PB_1 --> EN_SPK_2 |
Arkadi | 0:f65ba5fb350e | 59 | PB_15 --> EN_SPK_3 |
Arkadi | 0:f65ba5fb350e | 60 | PB_14 --> EN_SPK_4 |
Arkadi | 0:f65ba5fb350e | 61 | PB_13 --> EN_SPK_5 |
Arkadi | 0:f65ba5fb350e | 62 | |
Arkadi | 0:f65ba5fb350e | 63 | MIC Interrupts: |
Arkadi | 0:f65ba5fb350e | 64 | PC_15 --> INTER_1 |
Arkadi | 0:f65ba5fb350e | 65 | PC_14 --> INTER_2 |
Arkadi | 0:f65ba5fb350e | 66 | PA_15 --> INTER_3 |
Arkadi | 0:f65ba5fb350e | 67 | PA_14 --> INTER_4 |
Arkadi | 0:f65ba5fb350e | 68 | PA_13 --> INTER_5 |
Arkadi | 0:f65ba5fb350e | 69 | |
Arkadi | 0:f65ba5fb350e | 70 | Digital Input |
Arkadi | 0:f65ba5fb350e | 71 | PC_13 --> BTN (Blue) |
Arkadi | 0:f65ba5fb350e | 72 | |
Arkadi | 0:f65ba5fb350e | 73 | Analog Input |
Arkadi | 0:f65ba5fb350e | 74 | PA_0 --> A_DATA_1 |
Arkadi | 0:f65ba5fb350e | 75 | PA_1 --> A_DATA_2 |
Arkadi | 0:f65ba5fb350e | 76 | PA_4 --> A_DATA_3 |
Arkadi | 0:f65ba5fb350e | 77 | PB_0 --> A_DATA_4 |
Arkadi | 0:f65ba5fb350e | 78 | PC_1 --> A_DATA_5 |
Arkadi | 0:f65ba5fb350e | 79 | |
Arkadi | 0:f65ba5fb350e | 80 | Analog Output |
Arkadi | 0:f65ba5fb350e | 81 | |
Arkadi | 0:f65ba5fb350e | 82 | |
Arkadi | 0:f65ba5fb350e | 83 | */ |
Arkadi | 0:f65ba5fb350e | 84 | |
Arkadi | 0:f65ba5fb350e | 85 | /////////////// |
Arkadi | 0:f65ba5fb350e | 86 | // Libraries // |
Arkadi | 0:f65ba5fb350e | 87 | /////////////// |
Arkadi | 0:f65ba5fb350e | 88 | #include "mbed.h" |
Arkadi | 1:2b61ae8e6f94 | 89 | #include "MbedJSONValue.h" |
Arkadi | 1:2b61ae8e6f94 | 90 | //#include <string> |
Arkadi | 0:f65ba5fb350e | 91 | |
Arkadi | 0:f65ba5fb350e | 92 | /////////////// |
Arkadi | 0:f65ba5fb350e | 93 | // #defines // |
Arkadi | 0:f65ba5fb350e | 94 | /////////////// |
Arkadi | 0:f65ba5fb350e | 95 | |
Arkadi | 0:f65ba5fb350e | 96 | #define DEBUG_MOD1 |
Arkadi | 1:2b61ae8e6f94 | 97 | #define MSG_BUFFER_SIZE 512 |
Arkadi | 1:2b61ae8e6f94 | 98 | #define HEADER_SIZE 5 |
Arkadi | 1:2b61ae8e6f94 | 99 | #define FOOTER_SIZE 2 |
Arkadi | 0:f65ba5fb350e | 100 | ///////////// |
Arkadi | 0:f65ba5fb350e | 101 | // Objects // |
Arkadi | 0:f65ba5fb350e | 102 | ///////////// |
Arkadi | 0:f65ba5fb350e | 103 | |
Arkadi | 0:f65ba5fb350e | 104 | // uart |
Arkadi | 1:2b61ae8e6f94 | 105 | Serial pc(USBTX, USBRX); |
Arkadi | 0:f65ba5fb350e | 106 | |
Arkadi | 0:f65ba5fb350e | 107 | // digital input |
Arkadi | 0:f65ba5fb350e | 108 | DigitalIn user_button(PC_13); |
Arkadi | 0:f65ba5fb350e | 109 | |
Arkadi | 0:f65ba5fb350e | 110 | // digital output |
Arkadi | 0:f65ba5fb350e | 111 | DigitalOut led(PA_5); |
Arkadi | 0:f65ba5fb350e | 112 | DigitalOut sw_trigger(PA_10); |
Arkadi | 0:f65ba5fb350e | 113 | |
Arkadi | 0:f65ba5fb350e | 114 | // MUX: CD74HC4067 |
Arkadi | 0:f65ba5fb350e | 115 | DigitalOut mux_s0(PC_12); |
Arkadi | 0:f65ba5fb350e | 116 | DigitalOut mux_s1(PD_2); |
Arkadi | 0:f65ba5fb350e | 117 | DigitalOut mux_s2(PH_0); |
Arkadi | 0:f65ba5fb350e | 118 | DigitalOut mux_s3(PH_1); |
Arkadi | 0:f65ba5fb350e | 119 | |
Arkadi | 0:f65ba5fb350e | 120 | // speaker switch |
Arkadi | 0:f65ba5fb350e | 121 | DigitalOut en_spk_1(PB_2); |
Arkadi | 0:f65ba5fb350e | 122 | DigitalOut en_spk_2(PB_1); |
Arkadi | 0:f65ba5fb350e | 123 | DigitalOut en_spk_3(PB_15); |
Arkadi | 0:f65ba5fb350e | 124 | DigitalOut en_spk_4(PB_14); |
Arkadi | 0:f65ba5fb350e | 125 | DigitalOut en_spk_5(PB_13); |
Arkadi | 0:f65ba5fb350e | 126 | |
Arkadi | 0:f65ba5fb350e | 127 | // MIC interrupts |
Arkadi | 0:f65ba5fb350e | 128 | DigitalOut inter_1(PC_15); |
Arkadi | 0:f65ba5fb350e | 129 | DigitalOut inter_2(PC_14); |
Arkadi | 0:f65ba5fb350e | 130 | DigitalOut inter_3(PA_15); |
Arkadi | 0:f65ba5fb350e | 131 | DigitalOut inter_4(PA_14); |
Arkadi | 0:f65ba5fb350e | 132 | DigitalOut inter_5(PA_13); |
Arkadi | 0:f65ba5fb350e | 133 | |
Arkadi | 0:f65ba5fb350e | 134 | // analog input |
Arkadi | 0:f65ba5fb350e | 135 | AnalogIn a_data_1(PA_0); |
Arkadi | 0:f65ba5fb350e | 136 | AnalogIn a_data_2(PA_1); |
Arkadi | 0:f65ba5fb350e | 137 | AnalogIn a_data_3(PA_4); |
Arkadi | 0:f65ba5fb350e | 138 | AnalogIn a_data_4(PB_0); |
Arkadi | 0:f65ba5fb350e | 139 | AnalogIn a_data_5(PC_1); |
Arkadi | 0:f65ba5fb350e | 140 | |
Arkadi | 0:f65ba5fb350e | 141 | /////////////// |
Arkadi | 0:f65ba5fb350e | 142 | // variables // |
Arkadi | 0:f65ba5fb350e | 143 | /////////////// |
Arkadi | 1:2b61ae8e6f94 | 144 | // analog input from microphone |
Arkadi | 1:2b61ae8e6f94 | 145 | uint16_t micAData[5]= {0}; |
Arkadi | 0:f65ba5fb350e | 146 | |
Arkadi | 1:2b61ae8e6f94 | 147 | // json buffer |
Arkadi | 1:2b61ae8e6f94 | 148 | char json[MSG_BUFFER_SIZE]; |
Arkadi | 1:2b61ae8e6f94 | 149 | |
Arkadi | 1:2b61ae8e6f94 | 150 | // packet variables |
Arkadi | 1:2b61ae8e6f94 | 151 | struct packetMSG_struct { |
Arkadi | 1:2b61ae8e6f94 | 152 | // recieve message variables |
Arkadi | 1:2b61ae8e6f94 | 153 | uint8_t header[HEADER_SIZE]; |
Arkadi | 1:2b61ae8e6f94 | 154 | uint8_t footer[FOOTER_SIZE]; |
Arkadi | 1:2b61ae8e6f94 | 155 | uint8_t syncIndex; // sync index for header / footer |
Arkadi | 1:2b61ae8e6f94 | 156 | uint8_t syncFlag; // 0 - waiting for header, 1 - waiting for footer, 2 - verify footer, 3 - finish footer send to parser, flash buffer |
Arkadi | 1:2b61ae8e6f94 | 157 | // buffer |
Arkadi | 1:2b61ae8e6f94 | 158 | uint16_t bufferIndex; // buffer index |
Arkadi | 1:2b61ae8e6f94 | 159 | uint8_t buffer[MSG_BUFFER_SIZE]; |
Arkadi | 1:2b61ae8e6f94 | 160 | } ; |
Arkadi | 1:2b61ae8e6f94 | 161 | packetMSG_struct packetMSG; |
Arkadi | 1:2b61ae8e6f94 | 162 | |
Arkadi | 0:f65ba5fb350e | 163 | |
Arkadi | 0:f65ba5fb350e | 164 | /////////////// |
Arkadi | 0:f65ba5fb350e | 165 | // Functions // |
Arkadi | 0:f65ba5fb350e | 166 | /////////////// |
Arkadi | 0:f65ba5fb350e | 167 | |
Arkadi | 1:2b61ae8e6f94 | 168 | // Serial Event function |
Arkadi | 1:2b61ae8e6f94 | 169 | void rxCallback(void); |
Arkadi | 1:2b61ae8e6f94 | 170 | |
Arkadi | 1:2b61ae8e6f94 | 171 | // initialize packet struct |
Arkadi | 1:2b61ae8e6f94 | 172 | void initPacket(void); |
Arkadi | 1:2b61ae8e6f94 | 173 | |
Arkadi | 1:2b61ae8e6f94 | 174 | // Packet Parser |
Arkadi | 1:2b61ae8e6f94 | 175 | void parsePacket(void); |
Arkadi | 1:2b61ae8e6f94 | 176 | |
Arkadi | 1:2b61ae8e6f94 | 177 | // initialize switch |
Arkadi | 1:2b61ae8e6f94 | 178 | void initSwitch(void); |
Arkadi | 0:f65ba5fb350e | 179 | //////////////////////// |
Arkadi | 0:f65ba5fb350e | 180 | // Main Code Setup : // |
Arkadi | 0:f65ba5fb350e | 181 | //////////////////////// |
Arkadi | 0:f65ba5fb350e | 182 | int main() |
Arkadi | 0:f65ba5fb350e | 183 | { |
Arkadi | 1:2b61ae8e6f94 | 184 | // init packet: |
Arkadi | 1:2b61ae8e6f94 | 185 | initPacket(); |
Arkadi | 1:2b61ae8e6f94 | 186 | // init uart |
Arkadi | 0:f65ba5fb350e | 187 | pc.baud(57600); |
Arkadi | 1:2b61ae8e6f94 | 188 | // attach serial event interrupt |
Arkadi | 1:2b61ae8e6f94 | 189 | pc.attach(&rxCallback, Serial::RxIrq); |
Arkadi | 1:2b61ae8e6f94 | 190 | |
Arkadi | 1:2b61ae8e6f94 | 191 | // initialize switch |
Arkadi | 1:2b61ae8e6f94 | 192 | initSwitch(); |
Arkadi | 0:f65ba5fb350e | 193 | #ifdef DEBUG_MOD1 |
Arkadi | 0:f65ba5fb350e | 194 | pc.printf("ReSpeaker Test \r\n"); |
Arkadi | 0:f65ba5fb350e | 195 | #endif |
Arkadi | 0:f65ba5fb350e | 196 | /////////////////////// |
Arkadi | 0:f65ba5fb350e | 197 | // Main Code Loop : // |
Arkadi | 0:f65ba5fb350e | 198 | /////////////////////// |
Arkadi | 1:2b61ae8e6f94 | 199 | while(0) { |
Arkadi | 1:2b61ae8e6f94 | 200 | if(1) { |
Arkadi | 1:2b61ae8e6f94 | 201 | micAData[0] = a_data_1.read_u16(); |
Arkadi | 1:2b61ae8e6f94 | 202 | micAData[1] = a_data_2.read_u16(); |
Arkadi | 1:2b61ae8e6f94 | 203 | micAData[2] = a_data_3.read_u16(); |
Arkadi | 1:2b61ae8e6f94 | 204 | micAData[3] = a_data_4.read_u16(); |
Arkadi | 1:2b61ae8e6f94 | 205 | micAData[4] = a_data_5.read_u16(); |
Arkadi | 1:2b61ae8e6f94 | 206 | pc.printf("Data:%d,%d,%d,%d,%d\r\n",micAData[0],micAData[1],micAData[2],micAData[3],micAData[4]); |
Arkadi | 1:2b61ae8e6f94 | 207 | wait(1); |
Arkadi | 1:2b61ae8e6f94 | 208 | } |
Arkadi | 0:f65ba5fb350e | 209 | |
Arkadi | 0:f65ba5fb350e | 210 | }// end main loop |
Arkadi | 0:f65ba5fb350e | 211 | }// end main |
Arkadi | 0:f65ba5fb350e | 212 | /////////////// |
Arkadi | 0:f65ba5fb350e | 213 | // Functions // |
Arkadi | 0:f65ba5fb350e | 214 | /////////////// |
Arkadi | 1:2b61ae8e6f94 | 215 | |
Arkadi | 1:2b61ae8e6f94 | 216 | // initialize switch |
Arkadi | 1:2b61ae8e6f94 | 217 | void initSwitch(void) |
Arkadi | 1:2b61ae8e6f94 | 218 | { |
Arkadi | 1:2b61ae8e6f94 | 219 | // attach serial event interrupt |
Arkadi | 1:2b61ae8e6f94 | 220 | pc.attach(&rxCallback, Serial::RxIrq); |
Arkadi | 1:2b61ae8e6f94 | 221 | // reset output / input |
Arkadi | 1:2b61ae8e6f94 | 222 | mux_s0.write(0); |
Arkadi | 1:2b61ae8e6f94 | 223 | mux_s1.write(0); |
Arkadi | 1:2b61ae8e6f94 | 224 | mux_s2.write(0); |
Arkadi | 1:2b61ae8e6f94 | 225 | mux_s3.write(0); |
Arkadi | 1:2b61ae8e6f94 | 226 | en_spk_1.write(0); |
Arkadi | 1:2b61ae8e6f94 | 227 | en_spk_2.write(0); |
Arkadi | 1:2b61ae8e6f94 | 228 | en_spk_3.write(0); |
Arkadi | 1:2b61ae8e6f94 | 229 | en_spk_4.write(0); |
Arkadi | 1:2b61ae8e6f94 | 230 | en_spk_5.write(0); |
Arkadi | 1:2b61ae8e6f94 | 231 | }// end init switch |
Arkadi | 1:2b61ae8e6f94 | 232 | |
Arkadi | 1:2b61ae8e6f94 | 233 | |
Arkadi | 1:2b61ae8e6f94 | 234 | // Serial Event function |
Arkadi | 1:2b61ae8e6f94 | 235 | void rxCallback(void) |
Arkadi | 1:2b61ae8e6f94 | 236 | { |
Arkadi | 1:2b61ae8e6f94 | 237 | while (pc.readable()) { |
Arkadi | 1:2b61ae8e6f94 | 238 | // read icoming |
Arkadi | 1:2b61ae8e6f94 | 239 | //led = !led; |
Arkadi | 1:2b61ae8e6f94 | 240 | uint8_t in_byte = pc.getc(); |
Arkadi | 1:2b61ae8e6f94 | 241 | #ifdef DEBUG_MOD1 |
Arkadi | 1:2b61ae8e6f94 | 242 | pc.putc(in_byte); |
Arkadi | 1:2b61ae8e6f94 | 243 | #endif |
Arkadi | 1:2b61ae8e6f94 | 244 | // detect start message , end message |
Arkadi | 1:2b61ae8e6f94 | 245 | switch (packetMSG.syncFlag) { |
Arkadi | 1:2b61ae8e6f94 | 246 | // waiting for header |
Arkadi | 1:2b61ae8e6f94 | 247 | case 0: { |
Arkadi | 1:2b61ae8e6f94 | 248 | if (packetMSG.header[packetMSG.syncIndex] == in_byte) { |
Arkadi | 1:2b61ae8e6f94 | 249 | packetMSG.syncIndex++; |
Arkadi | 1:2b61ae8e6f94 | 250 | if (packetMSG.syncIndex == HEADER_SIZE) { // finish header SYNC |
Arkadi | 1:2b61ae8e6f94 | 251 | packetMSG.syncFlag = 1; // start collecting data, wait for footer |
Arkadi | 1:2b61ae8e6f94 | 252 | packetMSG.bufferIndex = 0; |
Arkadi | 1:2b61ae8e6f94 | 253 | packetMSG.syncIndex=0; |
Arkadi | 1:2b61ae8e6f94 | 254 | } |
Arkadi | 1:2b61ae8e6f94 | 255 | } else { // reinit sync |
Arkadi | 1:2b61ae8e6f94 | 256 | packetMSG.syncIndex=0; |
Arkadi | 1:2b61ae8e6f94 | 257 | } |
Arkadi | 1:2b61ae8e6f94 | 258 | //pc.printf("case 0 , %d \r\n",packetMSG.syncIndex); |
Arkadi | 1:2b61ae8e6f94 | 259 | break; |
Arkadi | 1:2b61ae8e6f94 | 260 | } |
Arkadi | 1:2b61ae8e6f94 | 261 | // waiting for footer |
Arkadi | 1:2b61ae8e6f94 | 262 | case 1: { |
Arkadi | 1:2b61ae8e6f94 | 263 | // add byte to buffer |
Arkadi | 1:2b61ae8e6f94 | 264 | packetMSG.buffer[packetMSG.bufferIndex] = in_byte; |
Arkadi | 1:2b61ae8e6f94 | 265 | packetMSG.bufferIndex++; |
Arkadi | 1:2b61ae8e6f94 | 266 | if (packetMSG.bufferIndex >= MSG_BUFFER_SIZE) { // buffer overflow |
Arkadi | 1:2b61ae8e6f94 | 267 | // reset buffer |
Arkadi | 1:2b61ae8e6f94 | 268 | packetMSG.bufferIndex = 0; |
Arkadi | 1:2b61ae8e6f94 | 269 | packetMSG.syncIndex = 0; |
Arkadi | 1:2b61ae8e6f94 | 270 | packetMSG.syncFlag = 0; |
Arkadi | 1:2b61ae8e6f94 | 271 | } else if (packetMSG.footer[packetMSG.syncIndex] == in_byte) { // footer char recieved |
Arkadi | 1:2b61ae8e6f94 | 272 | packetMSG.syncIndex++; |
Arkadi | 1:2b61ae8e6f94 | 273 | packetMSG.syncFlag=2; // move to verify footer |
Arkadi | 1:2b61ae8e6f94 | 274 | } |
Arkadi | 1:2b61ae8e6f94 | 275 | //pc.printf("case 2 , %d \r\n",packetMSG.syncIndex); |
Arkadi | 1:2b61ae8e6f94 | 276 | break; |
Arkadi | 1:2b61ae8e6f94 | 277 | } |
Arkadi | 1:2b61ae8e6f94 | 278 | // verify footer |
Arkadi | 1:2b61ae8e6f94 | 279 | case 2: { |
Arkadi | 1:2b61ae8e6f94 | 280 | // add byte to buffer |
Arkadi | 1:2b61ae8e6f94 | 281 | packetMSG.buffer[packetMSG.bufferIndex] = in_byte; |
Arkadi | 1:2b61ae8e6f94 | 282 | packetMSG.bufferIndex++; |
Arkadi | 1:2b61ae8e6f94 | 283 | if (packetMSG.bufferIndex >= MSG_BUFFER_SIZE) { // buffer overflow |
Arkadi | 1:2b61ae8e6f94 | 284 | // reset buffer |
Arkadi | 1:2b61ae8e6f94 | 285 | packetMSG.bufferIndex = 0; |
Arkadi | 1:2b61ae8e6f94 | 286 | packetMSG.syncIndex = 0; |
Arkadi | 1:2b61ae8e6f94 | 287 | packetMSG.syncFlag = 0; |
Arkadi | 1:2b61ae8e6f94 | 288 | } else if (packetMSG.footer[packetMSG.syncIndex] == in_byte) { // footer char recieved |
Arkadi | 1:2b61ae8e6f94 | 289 | packetMSG.syncIndex++; |
Arkadi | 1:2b61ae8e6f94 | 290 | if (packetMSG.syncIndex == FOOTER_SIZE) { // finish footer SYNC |
Arkadi | 1:2b61ae8e6f94 | 291 | packetMSG.syncFlag = 3; |
Arkadi | 1:2b61ae8e6f94 | 292 | // copy packet to json buffer |
Arkadi | 1:2b61ae8e6f94 | 293 | memcpy (&json, &packetMSG.buffer, packetMSG.bufferIndex); |
Arkadi | 1:2b61ae8e6f94 | 294 | json[packetMSG.bufferIndex]=NULL; // end with NULL to indicate end of string |
Arkadi | 1:2b61ae8e6f94 | 295 | // copy packet to json buffer with sprintf |
Arkadi | 1:2b61ae8e6f94 | 296 | //sprintf(json, "%.*s", packetMSG.bufferIndex, packetMSG.buffer ); |
Arkadi | 1:2b61ae8e6f94 | 297 | // send msg to parse. |
Arkadi | 1:2b61ae8e6f94 | 298 | parsePacket(); |
Arkadi | 1:2b61ae8e6f94 | 299 | // reset buffer |
Arkadi | 1:2b61ae8e6f94 | 300 | packetMSG.bufferIndex = 0; |
Arkadi | 1:2b61ae8e6f94 | 301 | packetMSG.syncIndex = 0; |
Arkadi | 1:2b61ae8e6f94 | 302 | packetMSG.syncFlag = 0; |
Arkadi | 1:2b61ae8e6f94 | 303 | } |
Arkadi | 1:2b61ae8e6f94 | 304 | } else { // footer broke restart wait for footer |
Arkadi | 1:2b61ae8e6f94 | 305 | packetMSG.syncFlag=1; |
Arkadi | 1:2b61ae8e6f94 | 306 | // verify that it didnt broke on first footer char |
Arkadi | 1:2b61ae8e6f94 | 307 | if (packetMSG.footer[0] == in_byte) { |
Arkadi | 1:2b61ae8e6f94 | 308 | packetMSG.syncIndex=1; |
Arkadi | 1:2b61ae8e6f94 | 309 | } else { |
Arkadi | 1:2b61ae8e6f94 | 310 | packetMSG.syncIndex=0; |
Arkadi | 1:2b61ae8e6f94 | 311 | } |
Arkadi | 1:2b61ae8e6f94 | 312 | } |
Arkadi | 1:2b61ae8e6f94 | 313 | break; |
Arkadi | 1:2b61ae8e6f94 | 314 | } |
Arkadi | 1:2b61ae8e6f94 | 315 | default: { |
Arkadi | 1:2b61ae8e6f94 | 316 | pc.printf("Sonmething went wrong \r\n"); |
Arkadi | 1:2b61ae8e6f94 | 317 | break; |
Arkadi | 1:2b61ae8e6f94 | 318 | } |
Arkadi | 1:2b61ae8e6f94 | 319 | } // end switch |
Arkadi | 1:2b61ae8e6f94 | 320 | }// end uart readable |
Arkadi | 1:2b61ae8e6f94 | 321 | } // end rxCallback |
Arkadi | 1:2b61ae8e6f94 | 322 | |
Arkadi | 1:2b61ae8e6f94 | 323 | |
Arkadi | 1:2b61ae8e6f94 | 324 | // initialize packet struct |
Arkadi | 1:2b61ae8e6f94 | 325 | void initPacket(void) |
Arkadi | 1:2b61ae8e6f94 | 326 | { |
Arkadi | 1:2b61ae8e6f94 | 327 | // init variables to default: |
Arkadi | 1:2b61ae8e6f94 | 328 | packetMSG.header[0] = 'j'; |
Arkadi | 1:2b61ae8e6f94 | 329 | packetMSG.header[1] = 's'; |
Arkadi | 1:2b61ae8e6f94 | 330 | packetMSG.header[2] = 'o'; |
Arkadi | 1:2b61ae8e6f94 | 331 | packetMSG.header[3] = 'n'; |
Arkadi | 1:2b61ae8e6f94 | 332 | packetMSG.header[4] = ':'; |
Arkadi | 1:2b61ae8e6f94 | 333 | |
Arkadi | 1:2b61ae8e6f94 | 334 | packetMSG.footer[0]= 13; // /r |
Arkadi | 1:2b61ae8e6f94 | 335 | packetMSG.footer[1]= 10; // /n |
Arkadi | 1:2b61ae8e6f94 | 336 | |
Arkadi | 1:2b61ae8e6f94 | 337 | packetMSG.syncIndex=0; // sync index for header / footer |
Arkadi | 1:2b61ae8e6f94 | 338 | packetMSG.syncFlag=0; // 0 - waiting for header, 1 - waiting for footer, 2 - verify footer, 3 - finish footer send to parser, flash buffer |
Arkadi | 1:2b61ae8e6f94 | 339 | packetMSG.bufferIndex=0; // buffer index |
Arkadi | 1:2b61ae8e6f94 | 340 | } |
Arkadi | 1:2b61ae8e6f94 | 341 | |
Arkadi | 1:2b61ae8e6f94 | 342 | // Packet Parser |
Arkadi | 1:2b61ae8e6f94 | 343 | void parsePacket(void) |
Arkadi | 1:2b61ae8e6f94 | 344 | { |
Arkadi | 1:2b61ae8e6f94 | 345 | static int micChannle = 0; |
Arkadi | 1:2b61ae8e6f94 | 346 | static bool spkChannle[5]= {0}; |
Arkadi | 1:2b61ae8e6f94 | 347 | #ifdef DEBUG_MOD1 |
Arkadi | 1:2b61ae8e6f94 | 348 | // write buffer to screen |
Arkadi | 1:2b61ae8e6f94 | 349 | //pc.printf("%d, %.*s", packetMSG.bufferIndex ,packetMSG.bufferIndex, packetMSG.buffer ); |
Arkadi | 1:2b61ae8e6f94 | 350 | //pc.printf("%s", json); |
Arkadi | 1:2b61ae8e6f94 | 351 | #endif |
Arkadi | 1:2b61ae8e6f94 | 352 | |
Arkadi | 1:2b61ae8e6f94 | 353 | MbedJSONValue guiCmd; |
Arkadi | 1:2b61ae8e6f94 | 354 | |
Arkadi | 1:2b61ae8e6f94 | 355 | //const char * json = "{\"my_array\": [\"demo_string\", 10], \"my_boolean\": true}"; |
Arkadi | 1:2b61ae8e6f94 | 356 | // json:{"my_array": ["demo_string", 10], "my_boolean": true} |
Arkadi | 1:2b61ae8e6f94 | 357 | //parse the previous string and fill the object demo |
Arkadi | 1:2b61ae8e6f94 | 358 | |
Arkadi | 1:2b61ae8e6f94 | 359 | // GUI message format: {"mic":0, "spk": [0,1,0,0,0]} |
Arkadi | 1:2b61ae8e6f94 | 360 | parse(guiCmd, json); |
Arkadi | 1:2b61ae8e6f94 | 361 | |
Arkadi | 1:2b61ae8e6f94 | 362 | micChannle = guiCmd["mic"].get<int>(); |
Arkadi | 1:2b61ae8e6f94 | 363 | for (int ii=0 ; ii < 5 ; ii++) { |
Arkadi | 1:2b61ae8e6f94 | 364 | spkChannle[ii] = guiCmd["spk"][ii].get<bool>(); |
Arkadi | 1:2b61ae8e6f94 | 365 | } |
Arkadi | 1:2b61ae8e6f94 | 366 | |
Arkadi | 1:2b61ae8e6f94 | 367 | #ifdef DEBUG_MOD1 |
Arkadi | 1:2b61ae8e6f94 | 368 | // send parsed values |
Arkadi | 1:2b61ae8e6f94 | 369 | printf("mic: %d , spk: [%d,%d,%d,%d,%d]\r\n", micChannle,spkChannle[0],spkChannle[1],spkChannle[2],spkChannle[3],spkChannle[4]); |
Arkadi | 1:2b61ae8e6f94 | 370 | #endif |
Arkadi | 1:2b61ae8e6f94 | 371 | |
Arkadi | 1:2b61ae8e6f94 | 372 | |
Arkadi | 1:2b61ae8e6f94 | 373 | // update hardware |
Arkadi | 1:2b61ae8e6f94 | 374 | |
Arkadi | 1:2b61ae8e6f94 | 375 | // update mic select mux |
Arkadi | 1:2b61ae8e6f94 | 376 | uint8_t micByte = (uint8_t) micChannle; |
Arkadi | 1:2b61ae8e6f94 | 377 | mux_s0.write((bool)(micByte & 0b00000001)); |
Arkadi | 1:2b61ae8e6f94 | 378 | mux_s1.write((bool)(micByte & 0b00000010)); |
Arkadi | 1:2b61ae8e6f94 | 379 | mux_s2.write((bool)(micByte & 0b00000100)); |
Arkadi | 1:2b61ae8e6f94 | 380 | mux_s3.write((bool)(micByte & 0b00001000)); |
Arkadi | 1:2b61ae8e6f94 | 381 | |
Arkadi | 1:2b61ae8e6f94 | 382 | // update speakers: |
Arkadi | 1:2b61ae8e6f94 | 383 | en_spk_1.write(spkChannle[0]); |
Arkadi | 1:2b61ae8e6f94 | 384 | en_spk_2.write(spkChannle[1]); |
Arkadi | 1:2b61ae8e6f94 | 385 | en_spk_3.write(spkChannle[2]); |
Arkadi | 1:2b61ae8e6f94 | 386 | en_spk_4.write(spkChannle[3]); |
Arkadi | 1:2b61ae8e6f94 | 387 | en_spk_5.write(spkChannle[4]); |
Arkadi | 1:2b61ae8e6f94 | 388 | |
Arkadi | 1:2b61ae8e6f94 | 389 | // led blink |
Arkadi | 1:2b61ae8e6f94 | 390 | led = !led; |
Arkadi | 1:2b61ae8e6f94 | 391 | }// end parse |
Arkadi | 1:2b61ae8e6f94 | 392 | |
Arkadi | 1:2b61ae8e6f94 | 393 | |
Arkadi | 1:2b61ae8e6f94 | 394 | |
Arkadi | 1:2b61ae8e6f94 | 395 | //// Serial Event function simple byte parser |
Arkadi | 1:2b61ae8e6f94 | 396 | //void rxCallback(void) |
Arkadi | 1:2b61ae8e6f94 | 397 | //{ |
Arkadi | 1:2b61ae8e6f94 | 398 | // // incoming buffer |
Arkadi | 1:2b61ae8e6f94 | 399 | // uint8_t in_byte; |
Arkadi | 1:2b61ae8e6f94 | 400 | // // read icoming |
Arkadi | 1:2b61ae8e6f94 | 401 | // led = !led; |
Arkadi | 1:2b61ae8e6f94 | 402 | // in_byte = pc.getc(); |
Arkadi | 1:2b61ae8e6f94 | 403 | //#ifdef DEBUG_MOD1 |
Arkadi | 1:2b61ae8e6f94 | 404 | // pc.putc(in_byte); |
Arkadi | 1:2b61ae8e6f94 | 405 | //#endif |
Arkadi | 1:2b61ae8e6f94 | 406 | // // check if command of input or output |
Arkadi | 1:2b61ae8e6f94 | 407 | // if ((bool)(in_byte & 0b10000000)) { // set input |
Arkadi | 1:2b61ae8e6f94 | 408 | // mux_s0.write((bool)(in_byte & 0b00000001)); |
Arkadi | 1:2b61ae8e6f94 | 409 | // mux_s1.write((bool)(in_byte & 0b00000010)); |
Arkadi | 1:2b61ae8e6f94 | 410 | // mux_s2.write((bool)(in_byte & 0b00000100)); |
Arkadi | 1:2b61ae8e6f94 | 411 | // mux_s3.write((bool)(in_byte & 0b00001000)); |
Arkadi | 1:2b61ae8e6f94 | 412 | // } else { // set output |
Arkadi | 1:2b61ae8e6f94 | 413 | // en_spk_1.write((bool)(in_byte & 0b00000001)); |
Arkadi | 1:2b61ae8e6f94 | 414 | // en_spk_2.write((bool)(in_byte & 0b00000010)); |
Arkadi | 1:2b61ae8e6f94 | 415 | // en_spk_3.write((bool)(in_byte & 0b00000100)); |
Arkadi | 1:2b61ae8e6f94 | 416 | // en_spk_4.write((bool)(in_byte & 0b00001000)); |
Arkadi | 1:2b61ae8e6f94 | 417 | // en_spk_5.write((bool)(in_byte & 0b00010000)); |
Arkadi | 1:2b61ae8e6f94 | 418 | // } |
Arkadi | 1:2b61ae8e6f94 | 419 | //} // end rxCallback |