![](/media/cache/group/default_image.jpg.50x50_q85.jpg)
Here
Dependencies: Hexi_KW40Z Hexi_OLED_SSD1351 nRF24L01 FXOS8700
main.cpp
- Committer:
- group-Hexiwear-Alert-System
- Date:
- 2017-03-06
- Revision:
- 0:6384ad26fe6c
- Child:
- 1:ee1a74958b09
File content as of revision 0:6384ad26fe6c:
#include "mbed.h" #include "Hexi_KW40Z.h" #include "Hexi_OLED_SSD1351.h" #include "OLED_types.h" #include "OpenSans_Font.h" #include "nRF24L01P.h" #include "string.h" #include "images.h" #define NAME "RB" #define LED_ON 0 #define LED_OFF 1 #define NUM_OF_SCREENS 6 #define TRANSFER_SIZE 4 void StartHaptic(void); void StopHaptic(void const *n); void txTask(void); void displayHome(); void screenHandler(uint8_t stageNum,uint8_t header); DigitalOut redLed(LED1,1); DigitalOut greenLed(LED2,1); DigitalOut blueLed(LED3,1); DigitalOut haptic(PTB9); /* Define timer for haptic feedback */ RtosTimer hapticTimer(StopHaptic, osTimerOnce); /* Instantiate the Hexi KW40Z Driver (UART TX, UART RX) */ KW40Z kw40z_device(PTE24, PTE25); /* Instantiate the SSD1351 OLED Driver */ SSD1351 oled(PTB22,PTB21,PTC13,PTB20,PTE6, PTD15); /* (MOSI,SCLK,POWER,CS,RST,DC) */ oled_text_properties_t textProperties = {0}; /* Instantiate the nRF24L01P Driver */ nRF24L01P my_nrf24l01p(PTC6,PTC7,PTC5,PTC4,PTB2,NC); // mosi, miso, sck, csn, ce, irq /* Text Buffer */ char text[20]; uint8_t screenNum=0; bool prefix=0; bool sentMessageDisplayedFlag=0; char rxData[TRANSFER_SIZE]; char txData[TRANSFER_SIZE]; /* Pointer for the image to be displayed */ const uint8_t *homeBMP = HEXIWEAR_HOME_bmp; const uint8_t *sendBMP = HEXIWEAR_SEND_bmp; const uint8_t *bannerBMP = hexicomm_bmp; /****************************Call Back Functions*******************************/ /*Send Button */ void ButtonRight(void) { if (!sentMessageDisplayedFlag) { StartHaptic(); // Send the transmitbuffer via the nRF24L01+ my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, 4 ); } } /*Home Button */ void ButtonLeft(void) { StartHaptic(); screenNum = 0; /*Turn off Green LED */ sentMessageDisplayedFlag=0; greenLed = !sentMessageDisplayedFlag; /*Redraw Send Button*/ oled.DrawImage(sendBMP,53,81); screenHandler(screenNum,prefix); } /*Toggles Between I am @ and Meet @ */ void ButtonUp(void) { if (screenNum !=0) { StartHaptic(); /*Turn off Green LED */ sentMessageDisplayedFlag=0; greenLed = !sentMessageDisplayedFlag; /*Redraw Send Button*/ oled.DrawImage(sendBMP,53,81); prefix = !prefix; screenHandler(screenNum,prefix); } } /*Advances Stage Number */ void ButtonDown(void) { StartHaptic(); /*Turn off Green LED */ sentMessageDisplayedFlag=0; greenLed = !sentMessageDisplayedFlag; /*Redraw Send Button*/ oled.DrawImage(sendBMP,53,81); if (screenNum < NUM_OF_SCREENS -1) { screenNum++; } else { screenNum = 0; } screenHandler(screenNum,prefix); } /***********************End of Call Back Functions*****************************/ /********************************Main******************************************/ int main() { /* Wait Sequence in the beginning for board to be reset then placed in mini docking station*/ Thread::wait(6000); blueLed=0; Thread::wait(500); blueLed=1; /* NRF24l0p Setup */ my_nrf24l01p.init(); my_nrf24l01p.powerUp(); my_nrf24l01p.setAirDataRate(NRF24L01P_DATARATE_250_KBPS); my_nrf24l01p.setRfOutputPower(NRF24L01P_TX_PWR_ZERO_DB); my_nrf24l01p.setRxAddress(0xE7E7E7E7E8); my_nrf24l01p.setTxAddress(0xE7E7E7E7E8); my_nrf24l01p.setTransferSize( TRANSFER_SIZE ); my_nrf24l01p.setReceiveMode(); my_nrf24l01p.enable(); /* Get OLED Class Default Text Properties */ oled.GetTextProperties(&textProperties); /* Fills the screen with solid black */ oled.FillScreen(COLOR_BLACK); /* Register callbacks to application functions */ kw40z_device.attach_buttonLeft(&ButtonLeft); kw40z_device.attach_buttonRight(&ButtonRight); kw40z_device.attach_buttonUp(&ButtonUp); kw40z_device.attach_buttonDown(&ButtonDown); /* Change font color to white */ textProperties.fontColor = COLOR_WHITE; textProperties.alignParam = OLED_TEXT_ALIGN_CENTER; oled.SetTextProperties(&textProperties); /*Displays the Home Screen*/ displayHome(); /*Draw Home Button and Send Button*/ oled.DrawImage(homeBMP,0,81); oled.DrawImage(sendBMP,53,81); oled.DrawImage(hexicomm_bmp,0,0); while (true) { // If we've received anything in the nRF24L01+... if ( my_nrf24l01p.readable() ) { // ...read the data into the receive buffer my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof(rxData)); //Set a flag that a message has been received sentMessageDisplayedFlag=1; //Turn on Green LED to indicate received message greenLed = !sentMessageDisplayedFlag; //Turn area black to get rid of Send Button oled.DrawBox (53,81,43,15,COLOR_BLACK); char name[7]; name[0] = rxData[2]; name[1] = rxData[3]; name[2] = ' '; name[3] = 's'; name[4] = 'e'; name[5] = 'n'; name[6] = 't'; oled.TextBox((uint8_t *)name,0,20,95,18); switch (rxData[0]) { case 'M': { oled.TextBox("Meet",0,35,95,18); break; } case 'I': { oled.TextBox(" ",0,35,95,18); break; } default: {break;} } switch (rxData[1]) { case '0': { oled.TextBox("Where Yall?",0,50,95,18); break; } case '1': { oled.TextBox("@ Stage 1",0,50,95,18); break; } case '2': { oled.TextBox("@ Stage 2",0,50,95,18); break; } case '3': { oled.TextBox("@ Stage 3",0,50,95,18); break; } case '4': { oled.TextBox("@ Stage 4",0,50,95,18); break; } case '5': { oled.TextBox("@ Stage 5",0,50,95,18); break; } default:{break;} } StartHaptic(); } Thread::wait(50); } } /******************************End of Main*************************************/ void StartHaptic(void) { hapticTimer.start(50); haptic = 1; } void StopHaptic(void const *n) { haptic = 0; hapticTimer.stop(); } void displayHome(void) { oled.TextBox(" ",0,20,95,18); //Line 1 oled.TextBox("Where",0,35,95,18); //Line 2 oled.TextBox("Yall At?",0,50,95,18); //Line 3 strcpy(txData,"I"); //Packet[0] strcat(txData,"0"); //Packet[1] strcat(txData,NAME); //Packet[2:3] } void screenHandler(uint8_t stageNum,uint8_t header) { //Text for Line 1 oled.TextBox(" ",0,20,95,18); //Text for Line 2 switch(header) { case 0: { //Packet Encoding for I am @ strcpy(txData,"I"); oled.TextBox("I am",0,35,95,18); break; } case 1: { //Packet Encoding for Meet @ strcpy(txData,"M"); oled.TextBox("Meet",0,35,95,18); break; } default: { break; } } //Text for Line 3 switch (stageNum) { case 0: { displayHome(); break; } case 1: { //Packet Encoding for Stage 1 strcat(txData,"1"); oled.TextBox("@ Stage 1",0,50,95,18); break; } case 2: { //Packet Encoding for Stage 2 strcat(txData,"2"); oled.TextBox("@ Stage 2",0,50,95,18); break; } case 3: { //Packet Encoding for Stage 3 strcat(txData,"3"); oled.TextBox("@ Stage 3",0,50,95,18); break; } case 4: { //Packet Encoding for Stage 4 strcat(txData,"4"); oled.TextBox("@ Stage 4",0,50,95,18); break; } case 5: { //Packet Encoding for Stage 5 strcat(txData,"5"); oled.TextBox("@ Stage 5",0,50,95,18); break; } default: { break; } } //Append Initials to txData[2:3]. strcat(txData,NAME); }