Diff: main.cpp

Revision:

2:9a7f77850970

Parent:

1:91d6b2ee7a2e

Child:

3:5d91bfe4a79d

--- a/main.cpp	Sat Jan 21 07:37:48 2017 +0000
+++ b/main.cpp	Sat Jan 28 01:35:08 2017 +0000
@@ -8,11 +8,18 @@
 #define ON      (1)
 #define OFF     (0)
 
-#define SAMPLING_RATE   (1)     /* A/D sampling rate (1kHz) */
-#define MAINCYCLE 200               /* [ms] */
+#define SAMPLING_RATE   (0.01)     /* A/D sampling rate (1kHz) */
+#define MAINCYCLE 20               /* [ms] */
 
 #define DEBUG
 
+union u64_dataType_g
+{
+    double DData;
+    char CData[8];   
+};
+
+
 /*** Global Variable ***/
 DigitalOut  myled1(LED1);           /* 起動確認用 */
 DigitalOut  myled2(LED2);           /* 割り込み確認用 */
@@ -27,27 +34,20 @@
 
 UINT32      g_adCnt;
 
+/* 変数定義 */
+uint32_t Fdiv;
+double InputData = 0;    
+
+
 
 /*** Functions ***/
-/* A/D変換割り込み */
-void ad_sampling(){
-    static INT32 i = 0;
-    /* 割り込み中点灯 */
-    myled2 = 1;
-    g_adCnt++;
-    g_wave = wave_in.read() * 3.3;  /*[V] */
-    #ifdef DEBUG_
-    i++;
-    pc.printf("attach: %d,%d\r\n", i, g_adCnt);
-    g_wave = i / 100 * 3.3;
-    g_wave = g_adCnt * 3.3;
-    if(i > 100) i = 0;
-    #endif
-    wait(0.01);
-    /* A/D変換完了後送信 */
-    g_sendFlg = 1;
-    myled2 = 0;
-}
+/* 通信関数宣言 */
+void Communicaion(double data,int byte);
+void CommInit();
+double InputAnalgData();
+/* A/D変換割り込み宣言 */
+void ad_sampling();
+
 
 
 INT32 main() {
@@ -56,6 +56,9 @@
     DBL64 et = 0;
     myled1 = 1;
     
+    /* 通信初期化 */
+    CommInit();     /* 初期化 */
+    
     /* A/D変換対タイマ割り込み開始 */
     myled2 = 1;
     /* Start interval timer */
@@ -75,10 +78,12 @@
         if(g_sendFlg == 1) {
             /* データ送信 */
             i++;
-            #ifdef DEBUG
-            pc.printf("cnt: %d, ad cnt: %d, wave: %f\r\n", i, g_adCnt, g_wave);
+            #ifdef DEBUG_
+            pc.printf("cnt: %d, ad cnt: %d, wave: %f\r\n", i, g_adCnt, InputData);
+            /* InputData = InputData + 0.1; */
             #endif
-            
+
+            Communicaion(InputData,1);            
             /* フラグリセット */
             g_sendFlg = 0;
         }
@@ -89,3 +94,72 @@
         Thread::wait((uint32_t)(MAINCYCLE - (et - st)));
     }
 }
+
+/* A/D変換割り込み */
+void ad_sampling(){
+    static INT32 i = 0;
+    /* 割り込み中点灯 */
+    myled2 = 1;
+    g_adCnt++;
+    InputData = InputAnalgData();  /*[V] */
+    #ifdef DEBUG_
+    i++;
+    pc.printf("attach: %d,%d\r\n", i, InputData);
+    g_wave = i / 100 * 3.3;
+    g_wave = g_adCnt * 3.3;
+    if(i > 100) i = 0;
+    #endif
+    /* wait(0.01); */
+    /* A/D変換完了後送信 */
+    g_sendFlg = 1;
+    myled2 = 0;
+}
+
+
+void CommInit() /* 通信初期化 */
+{
+    Fdiv = SystemCoreClock / (4 * 16 * 9600); // 9600bps
+}
+
+void Communicaion(double data,int byte)
+{
+    
+    int i;
+    u64_dataType_g sendData;    
+    sendData.DData = data;
+    
+    
+    LPC_PINCON->PINSEL0 &= ~(3 << 4);
+    LPC_PINCON->PINSEL0 |= (1 << 4);    //  TXD0 (01)
+ 
+    LPC_SC->PCLKSEL0 &= ~(3 << 6);      // PCLK_UART0 ck/4 (00)
+    LPC_SC->PCONP |= (1 << 3);          // PCUART0
+    
+    LPC_UART0->LCR |= (1 << 7);         // enable access DLAB
+    LPC_UART0->DLL = Fdiv & 0xff;
+    LPC_UART0->DLM = (Fdiv >> 8) & 0xff;
+    LPC_UART0->LCR &= ~(1 << 7);        // disable access DLAB
+    
+    LPC_UART0->LCR |= (3 << 0);         // 8bit
+    LPC_UART0->FCR = (7 << 0); // RX1char(00), FIFO reset
+    LPC_UART0->IER = (1 << 0); // RBR
+    
+    for(i=0;i<8;i++)
+    {
+        LPC_UART0->THR =sendData.CData[i];
+    }
+    
+
+    NVIC_EnableIRQ(UART0_IRQn);
+
+}
+
+double InputAnalgData() /* A/D  読み取り */ 
+{
+   double Result = 0;
+   
+   Result = (double)wave_in.read()*10*3.3;
+   
+   return Result;
+}
+