Alexander Lang / 4dGENIE_2

An forked version of Christian B's excellent library for controlling the 4D systems touch screen display

Dependents:   Genie_Test_Temperature

Fork of 4dGENIE by christian b

mbed_genie.h@9:d5855768a9b6, 2014-07-06 (annotated)

Committer:
langster1980
Date:
Sun Jul 06 22:16:49 2014 +0000
Revision:
9:d5855768a9b6
Parent:
8:b5ba0df2d0db 
added genieGetEventData function in order to read rockerSW object

Who changed what in which revision?

UserRevisionLine numberNew contents of line
chris215 7:6edb20845684 1
chris215 7:6edb20845684 2
chris215 0:d2ed5a44c802 3 // Genie commands & replys:
chris215 0:d2ed5a44c802 4
chris215 0:d2ed5a44c802 5 #define GENIE_ACK 0x06
chris215 0:d2ed5a44c802 6 #define GENIE_NAK 0x15
chris215 0:d2ed5a44c802 7
chris215 0:d2ed5a44c802 8 #define TIMEOUT_PERIOD 500
chris215 0:d2ed5a44c802 9 #define RESYNC_PERIOD 100
chris215 0:d2ed5a44c802 10
chris215 0:d2ed5a44c802 11 #define GENIE_READ_OBJ 0
chris215 0:d2ed5a44c802 12 #define GENIE_WRITE_OBJ 1
chris215 0:d2ed5a44c802 13 #define GENIE_WRITE_STR 2
chris215 0:d2ed5a44c802 14 #define GENIE_WRITE_STRU 3
chris215 0:d2ed5a44c802 15 #define GENIE_WRITE_CONTRAST 4
chris215 0:d2ed5a44c802 16 #define GENIE_REPORT_OBJ 5
chris215 0:d2ed5a44c802 17 #define GENIE_REPORT_EVENT 7
chris215 0:d2ed5a44c802 18
chris215 0:d2ed5a44c802 19 // Objects
chris215 0:d2ed5a44c802 20 // the manual says:
chris215 0:d2ed5a44c802 21 // Note: Object IDs may change with future releases; it is not
chris215 0:d2ed5a44c802 22 // advisable to code their values as constants.
chris215 0:d2ed5a44c802 23
chris215 0:d2ed5a44c802 24 #define GENIE_OBJ_DIPSW 0
chris215 0:d2ed5a44c802 25 #define GENIE_OBJ_KNOB 1
chris215 0:d2ed5a44c802 26 #define GENIE_OBJ_ROCKERSW 2
chris215 0:d2ed5a44c802 27 #define GENIE_OBJ_ROTARYSW 3
chris215 0:d2ed5a44c802 28 #define GENIE_OBJ_SLIDER 4
chris215 0:d2ed5a44c802 29 #define GENIE_OBJ_TRACKBAR 5
chris215 0:d2ed5a44c802 30 #define GENIE_OBJ_WINBUTTON 6
chris215 0:d2ed5a44c802 31 #define GENIE_OBJ_ANGULAR_METER 7
chris215 0:d2ed5a44c802 32 #define GENIE_OBJ_COOL_GAUGE 8
chris215 0:d2ed5a44c802 33 #define GENIE_OBJ_CUSTOM_DIGITS 9
chris215 0:d2ed5a44c802 34 #define GENIE_OBJ_FORM 10
chris215 0:d2ed5a44c802 35 #define GENIE_OBJ_GAUGE 11
chris215 0:d2ed5a44c802 36 #define GENIE_OBJ_IMAGE 12
chris215 0:d2ed5a44c802 37 #define GENIE_OBJ_KEYBOARD 13
chris215 0:d2ed5a44c802 38 #define GENIE_OBJ_LED 14
chris215 0:d2ed5a44c802 39 #define GENIE_OBJ_LED_DIGITS 15
chris215 0:d2ed5a44c802 40 #define GENIE_OBJ_METER 16
chris215 0:d2ed5a44c802 41 #define GENIE_OBJ_STRINGS 17
chris215 0:d2ed5a44c802 42 #define GENIE_OBJ_THERMOMETER 18
chris215 0:d2ed5a44c802 43 #define GENIE_OBJ_USER_LED 19
chris215 0:d2ed5a44c802 44 #define GENIE_OBJ_VIDEO 20
chris215 0:d2ed5a44c802 45 #define GENIE_OBJ_STATIC_TEXT 21
chris215 0:d2ed5a44c802 46 #define GENIE_OBJ_SOUND 22
chris215 0:d2ed5a44c802 47 #define GENIE_OBJ_TIMER 23
chris215 0:d2ed5a44c802 48 #define GENIE_OBJ_SPECTRUM 24
chris215 0:d2ed5a44c802 49 #define GENIE_OBJ_SCOPE 25
chris215 0:d2ed5a44c802 50 #define GENIE_OBJ_TANK 26
chris215 0:d2ed5a44c802 51 #define GENIE_OBJ_USERIMAGES 27
chris215 0:d2ed5a44c802 52 #define GENIE_OBJ_PINOUTPUT 28
chris215 0:d2ed5a44c802 53 #define GENIE_OBJ_PININPUT 29
chris215 0:d2ed5a44c802 54 #define GENIE_OBJ_4DBUTTON 30
chris215 0:d2ed5a44c802 55 #define GENIE_OBJ_ANIBUTTON 31
chris215 0:d2ed5a44c802 56 #define GENIE_OBJ_COLORPICKER 32
chris215 0:d2ed5a44c802 57 #define GENIE_OBJ_USERBUTTON 33
chris215 0:d2ed5a44c802 58
chris215 0:d2ed5a44c802 59 // Structure to store replys returned from a display
chris215 0:d2ed5a44c802 60
chris215 0:d2ed5a44c802 61 #define GENIE_FRAME_SIZE 6
chris215 0:d2ed5a44c802 62
chris215 0:d2ed5a44c802 63 #define ERROR_NONE 0
chris215 0:d2ed5a44c802 64 #define ERROR_TIMEOUT -1 // 255 0xFF
chris215 0:d2ed5a44c802 65 #define ERROR_NOHANDLER -2 // 254 0xFE
chris215 0:d2ed5a44c802 66 #define ERROR_NOCHAR -3 // 253 0xFD
chris215 0:d2ed5a44c802 67 #define ERROR_NAK -4 // 252 0xFC
chris215 0:d2ed5a44c802 68 #define ERROR_REPLY_OVR -5 // 251 0xFB
chris215 0:d2ed5a44c802 69 #define ERROR_RESYNC -6 // 250 0xFA
chris215 0:d2ed5a44c802 70 #define ERROR_NODISPLAY -7 // 249 0xF9
chris215 0:d2ed5a44c802 71 #define ERROR_BAD_CS -8 // 248 0xF8
chris215 0:d2ed5a44c802 72
chris215 0:d2ed5a44c802 73 #define GENIE_LINK_IDLE 0
chris215 0:d2ed5a44c802 74 #define GENIE_LINK_WFAN 1 // waiting for Ack or Nak
chris215 0:d2ed5a44c802 75 #define GENIE_LINK_WF_RXREPORT 2 // waiting for a report frame
chris215 0:d2ed5a44c802 76 #define GENIE_LINK_RXREPORT 3 // receiving a report frame
chris215 0:d2ed5a44c802 77 #define GENIE_LINK_RXEVENT 4 // receiving an event frame
chris215 0:d2ed5a44c802 78 #define GENIE_LINK_SHDN 5
chris215 0:d2ed5a44c802 79
chris215 0:d2ed5a44c802 80 #define GENIE_EVENT_NONE 0
chris215 0:d2ed5a44c802 81 #define GENIE_EVENT_RXCHAR 1
chris215 0:d2ed5a44c802 82
chris215 0:d2ed5a44c802 83 #ifndef TRUE
chris215 0:d2ed5a44c802 84 #define TRUE (1==1)
chris215 0:d2ed5a44c802 85 #define FALSE (!TRUE)
chris215 0:d2ed5a44c802 86 #endif
chris215 0:d2ed5a44c802 87
chris215 7:6edb20845684 88 #define NO_RESPONSE 0
chris215 7:6edb20845684 89
chris215 7:6edb20845684 90 #define GENIE_FRAME_SIZE 6
chris215 7:6edb20845684 91 // Structure to store replys returned from a display
chris215 7:6edb20845684 92 struct genieFrameReportObj {
chris215 7:6edb20845684 93 uint8_t cmd;
chris215 7:6edb20845684 94 uint8_t object;
chris215 7:6edb20845684 95 uint8_t index;
chris215 7:6edb20845684 96 uint8_t data_msb;
chris215 7:6edb20845684 97 uint8_t data_lsb;
chris215 7:6edb20845684 98 };
chris215 7:6edb20845684 99 /////////////////////////////////////////////////////////////////////
chris215 7:6edb20845684 100 // The Genie frame definition
chris215 7:6edb20845684 101 //
chris215 7:6edb20845684 102 // The union allows the data to be referenced as an array of uint8_t
chris215 7:6edb20845684 103 // or a structure of type genieFrameReportObj, eg
chris215 7:6edb20845684 104 //
chris215 7:6edb20845684 105 // genieFrame f;
chris215 7:6edb20845684 106 // f.bytes[4];
chris215 7:6edb20845684 107 // f.reportObject.data_lsb
chris215 7:6edb20845684 108 //
chris215 7:6edb20845684 109 // both methods get the same byte
chris215 7:6edb20845684 110 //
chris215 7:6edb20845684 111 union genieFrame {
chris215 7:6edb20845684 112 uint8_t bytes[GENIE_FRAME_SIZE];
chris215 7:6edb20845684 113 genieFrameReportObj reportObject;
chris215 7:6edb20845684 114 };
chris215 7:6edb20845684 115 #define MAX_GENIE_EVENTS 16 // MUST be a power of 2
chris215 7:6edb20845684 116 struct genieEventQueueStruct {
chris215 7:6edb20845684 117 genieFrame frames[MAX_GENIE_EVENTS];
chris215 7:6edb20845684 118 uint8_t rd_index;
chris215 7:6edb20845684 119 uint8_t wr_index;
chris215 7:6edb20845684 120 uint8_t n_events;
chris215 7:6edb20845684 121 };
chris215 7:6edb20845684 122
chris215 7:6edb20845684 123 typedef void (*genieUserEventHandlerPtr) (void);
chris215 7:6edb20845684 124
chris215 2:f283764fe9b7 125 class Mbed4dGenie{
chris215 2:f283764fe9b7 126 public:
chris215 7:6edb20845684 127
chris215 7:6edb20845684 128 typedef enum{
chris215 7:6edb20845684 129 CommIdle = 0,
chris215 7:6edb20845684 130 CommInProgress = 1
chris215 7:6edb20845684 131 }CommState;
chris215 7:6edb20845684 132
chris215 6:f4d3977b0eae 133 /*
chris215 6:f4d3977b0eae 134 Constructor to initialise the pins used to control the lcd screen
chris215 6:f4d3977b0eae 135 Note: When the class is first initialised, the lcd screen will be put
chris215 6:f4d3977b0eae 136 in reset and kept reset until Start() is called
chris215 6:f4d3977b0eae 137 */
chris215 3:11c49c49cd1a 138 Mbed4dGenie(PinName TxPin,PinName RxPin, PinName resetpin);
chris215 6:f4d3977b0eae 139 /*
chris215 6:f4d3977b0eae 140 Deassert the reset pin and give some time to the lcd to
chris215 6:f4d3977b0eae 141 initialise itself before sending any commands.
chris215 6:f4d3977b0eae 142 */
chris215 7:6edb20845684 143 void Start();
chris215 7:6edb20845684 144 void Reset(void);
chris215 6:f4d3977b0eae 145 /*
chris215 6:f4d3977b0eae 146 Generic command to write data to a Genie object
chris215 6:f4d3977b0eae 147 returns the status code of operation
chris215 6:f4d3977b0eae 148 */
chris215 7:6edb20845684 149 int8_t genieWriteObject (uint16_t object, uint16_t index, uint16_t data);
chris215 7:6edb20845684 150 int8_t genieWriteStr (uint16_t index, char *string);
chris215 7:6edb20845684 151 int8_t genieReadObj (uint16_t object, uint16_t index);
langster1980 9:d5855768a9b6 152 uint16_t genieGetEventData (genieFrame * e); //added by to read status of rocker_sw
chris215 7:6edb20845684 153
chris215 7:6edb20845684 154 bool genieDequeueEvent(genieFrame * buff);
chris215 7:6edb20845684 155 void genieAttachEventHandler (genieUserEventHandlerPtr handler);
chris215 7:6edb20845684 156 bool PendingFrames(void);
chris215 2:f283764fe9b7 157
chris215 7:6edb20845684 158 private:
chris215 7:6edb20845684 159 void writec(char data);
chris215 7:6edb20845684 160 void RxIrqHandler(void);
chris215 7:6edb20845684 161 void ManageReceiveData(char data);
chris215 7:6edb20845684 162 bool _genieEnqueueEvent (uint8_t * data);
chris215 7:6edb20845684 163 void _genieFlushEventQueue(void);
chris215 6:f4d3977b0eae 164 /*
chris215 6:f4d3977b0eae 165 Wait for the screen to aknowledge the command
chris215 6:f4d3977b0eae 166 returns the status code of operation
chris215 6:f4d3977b0eae 167 */
chris215 7:6edb20845684 168 int8_t WaitForAnswer();
chris215 8:b5ba0df2d0db 169 bool WaitForIdle();
chris215 8:b5ba0df2d0db 170 int8_t WaitForReadAnswer();
chris215 6:f4d3977b0eae 171
chris215 7:6edb20845684 172 //////////////////////////////////////////////////////////////
chris215 7:6edb20845684 173 // A structure to hold up to MAX_GENIE_EVENTS events receive
chris215 7:6edb20845684 174 // from the display
chris215 7:6edb20845684 175 //
chris215 7:6edb20845684 176 genieEventQueueStruct _genieEventQueue;
chris215 7:6edb20845684 177 uint8_t rxframe_count;
chris215 7:6edb20845684 178 uint8_t rx_data[GENIE_FRAME_SIZE];
chris215 7:6edb20845684 179 uint8_t checksum;
chris215 7:6edb20845684 180 //////////////////////////////////////////////////////////////
chris215 7:6edb20845684 181 // Pointer to the user's event handler function
chris215 7:6edb20845684 182 //
chris215 7:6edb20845684 183 genieUserEventHandlerPtr _genieUserHandler;
chris215 6:f4d3977b0eae 184
chris215 8:b5ba0df2d0db 185 Serial _screen;
chris215 8:b5ba0df2d0db 186 DigitalOut _reset;
chris215 8:b5ba0df2d0db 187 Timer _t;
chris215 7:6edb20845684 188 int state;
chris215 8:b5ba0df2d0db 189 int LastResponse;
chris215 8:b5ba0df2d0db 190 long RxMaxTimeout;
chris215 8:b5ba0df2d0db 191 long RxStateTimeoutErrors;
chris215 6:f4d3977b0eae 192 };