Diff: main.cpp

Revision:

0:c3a498a8091c

Child:

1:f2982d4f4037

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Oct 28 11:30:37 2017 +0000
@@ -0,0 +1,198 @@
+/*
+ * Mbed Application program / Using Akizuki BLE Module AE-TYBLE16
+ *      on-board module : TAIYO YUDEN BLE 4.2 TYSA-B (EYSGJNAWY-WX)
+ *
+ *  http://akizukidenshi.com/catalog/g/gK-12339/
+ *
+ *  Refernce document
+ *  https://www.yuden.co.jp/wireless_module/document/datareport2/jp/
+ *                  TY_BLE_EYSGJNAWY_WX_BriefDataReport_V1_3_20170925J.pdf
+ *
+ * Copyright (c) 2017 Kenji Arai / JH1PJL
+ *  http://www.page.sannet.ne.jp/kenjia/index.html
+ *  http://mbed.org/users/kenjiArai/
+ *      Created:    October   27th, 2017
+ *      Revised:    October   28th, 2017
+ */
+
+/*
+    Tested condition
+        mbed-os-5.6.3 & mbed Rev.154
+    Nucleo-F446RE   TYBLE16 /also F411RE & F042K6(only mbed & pin assign differ)
+        PA_9         pin5 / P0.03(UART_RX)
+        PA_10        pin6 / P0.01(UART_TX)
+                     pin7 / P0.02(UART_CTS) connected to pin8 / P0.00(UART_RTS)
+        +3.3v        pin14 / +V
+        GND          pin13 / GND
+    Nucleo-F446RE   BME280
+        PB_9(SDA)    SDI
+        PB_8(SCL)    SDK
+                     SDO = GND, CSB = +3.3V
+    Communcation with iPhone 7 iOS 11.0.3
+        TYs Terminal App
+        https://itunes.apple.com/jp/app/tys-terminal-app/id1184640145?mt=8
+ */
+
+//  Include --------------------------------------------------------------------
+#include "mbed.h"
+#include "BME280.h"
+
+//  Definition -----------------------------------------------------------------
+#define     TIME_OUT         5       // 5 sec
+#define     ADT_TIME        15       // 15 sec
+
+//  Object/ Constructor --------------------------------------------------------
+Serial      pc(USBTX,USBRX);
+Serial      tyble16(PA_9, PA_10);
+BME280      bme280(I2C_SDA, I2C_SCL);
+
+//  RAM ------------------------------------------------------------------------
+bool        state_connection    = false;
+bool        received_data       = false;
+uint32_t    cmd_timeout_cntr    = ADT_TIME;
+Ticker      t;
+
+//  ROM / Constant data --------------------------------------------------------
+
+//  Function prototypes --------------------------------------------------------
+void check_connection(void);
+void parse_input(char *buf);
+
+//------------------------------------------------------------------------------
+//  Control Program
+//------------------------------------------------------------------------------
+// special command for BME280 data collection
+bool excute_command(char *buf)
+{
+    char c = buf[1];
+    switch (c){
+        case 'a':       // All data
+        case 'A':
+            tyble16.printf("Pressure: %04.2f hPa\r\n",
+                            bme280.getPressure());
+            tyble16.printf("Temperature: %2.2f degC\r\n",
+                            bme280.getTemperature());
+            tyble16.printf("Humidity: %2.2f %%\r\n",
+                            bme280.getHumidity());
+            break;
+        case 'p':       // Pressure
+        case 'P':
+            tyble16.printf("Pressure: %04.2f hPa\r\n",
+                            bme280.getPressure());
+            break;
+        case 't':       // Temperature
+        case 'T':
+            tyble16.printf("Temperature: %2.2f degC\r\n",
+                            bme280.getTemperature());
+            break;
+        case 'h':       // Humidity
+        case 'H':
+            tyble16.printf("Humidity: %2.2f %%\r\n",
+                            bme280.getHumidity());
+            break;
+        case '?':       // Help
+            tyble16.printf("Command syntax\r\n");
+            tyble16.printf("@a All of data\r\n");
+            tyble16.printf("@p Pressure\r\n");
+            tyble16.printf("@t Temperature\r\n");
+            tyble16.printf("@h Humidity\r\n");
+            break;
+        default:        // no available command
+            tyble16.printf("ommand not avairable, hit '?'\r\n");
+            break;
+    }
+    return true;
+}
+
+int main()
+{
+    static char rcv_bf[128];
+    static uint8_t n = 0;
+    char c = 0;
+
+    pc.printf("\r\n\r\nApplication for AE-TYBLE16 Module ");
+    pc.printf(" Peripheral(Sever) side\r\n");
+    pc.printf("  created on %s %s\r\n", __DATE__, __TIME__);
+    tyble16.printf("I'm TYBLE16 module!\r\n");
+    tyble16.printf("Hit q then enter <Uart Mode>\r\n");
+    // warming up the sensor
+    for (int n = 0; n < 6; n++){
+        bme280.getPressure();
+        bme280.getTemperature();
+        bme280.getHumidity();
+    }
+    t.attach(check_connection, 1);
+    while(true){
+        while(tyble16.readable()){
+            //----- data receive from Client -----------------------------------
+            received_data = true;
+            c = tyble16.getc();         // received data from client
+            pc.putc(c);                 // show to console
+            rcv_bf[n++] = c;            // save int buf
+            if (c == '\n'){             // end one line
+                pc.putc('\r');
+                rcv_bf[n] = 0;
+                if (n >3){
+                    parse_input(rcv_bf);    // ckeck command or not
+                    /*for (int i=0;; i++){
+                        if (rcv_bf[i] == 0){break;}
+                        pc.printf("0x%x,", rcv_bf[i]);
+                    }*/
+                    if ((rcv_bf[0] == '@') && (rcv_bf[2] == '\r')){
+                        excute_command(rcv_bf); // BME280 data output 
+                    }
+                }
+                n = 0;  // Clear buffer
+            }
+        }
+        while(pc.readable()){
+            //----- data send to Client ----------------------------------------
+            char c = pc.getc();
+            tyble16.putc(c);
+            pc.putc(c);                 // echo back
+            if(c == '\r'){              // if CR then put LF
+                tyble16.putc('\n');
+                pc.putc('\n');
+            }
+        }
+    }
+}
+
+// Check Response Events
+void parse_input(char *buf)
+{
+    if        (strstr(buf, "CON")){     // Connection successful
+        state_connection = true;
+    } else if (strstr(buf, "DCO")){     // Disconnect
+        state_connection = false; 
+    } else if (strstr(buf, "ADT")){     // Advertising Timeout
+        state_connection = false;
+        cmd_timeout_cntr = 0;
+    } else if (strstr(buf, "NAK")){     // Failed
+        state_connection = false;
+        if (cmd_timeout_cntr == 0){
+            // Both Advertising Start. Connectable and Discoverable.
+            tyble16.printf("BCD3\r\n");     // send above command
+            cmd_timeout_cntr = ADT_TIME;
+        }
+    }
+}
+
+// Every one second, check communication status
+void check_connection(void)
+{
+    static int8_t counter = 0;
+
+    if ((received_data == false) && (state_connection == false)){
+        if (++counter >= TIME_OUT){
+            tyble16.putc('\n');
+            counter = 0;
+        }
+    } else {
+        counter = 0;
+    }
+    if (cmd_timeout_cntr != 0){
+        --cmd_timeout_cntr;
+    }
+    received_data = false;
+}