Revision 5:c75ddfd44ae3, committed 2014-12-22

Comitter:

wim

Date:

Mon Dec 22 19:16:45 2014 +0000

Parent:

3:3d4269319b51

Child:

6:b3a16b127073

Commit message:

Added SC16IS752 Dual UART.

Changed in this revision

--- a/SC16IS750.lib	Thu Feb 20 19:45:33 2014 +0000
+++ b/SC16IS750.lib	Mon Dec 22 19:16:45 2014 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/wim/code/SC16IS750/#9783b6bde958
+http://mbed.org/users/wim/code/SC16IS750/#12446ee9f9c8

--- a/main.cpp	Thu Feb 20 19:45:33 2014 +0000
+++ b/main.cpp	Mon Dec 22 19:16:45 2014 +0000
@@ -9,6 +9,7 @@
 #define D_SCLK                 p7
 #define D_CS                   p8
 #define D_INTR                 p15
+#define D_RST                  p16
 
 // Serial for LPC1768
 #define D_TX                   USBTX
@@ -23,7 +24,8 @@
 #define D_MISO                 PTD3
 #define D_SCLK                 PTD1
 #define D_CS                   PTD0
-//#define D_INTR                 p15
+//#define D_INTR                 PTA13
+#define D_RST                  PTD5
 
 // I2C for KL25Z
 #define D_SCL                  PTE1
@@ -41,6 +43,7 @@
 #define D_SCLK                 P0_12
 #define D_CS                   P0_13
 //#define D_INTR                 P0_7
+//#define D_RST                  P0_8
 
 // Serial for LPC812
 #define D_TX                   P0_4
@@ -51,15 +54,16 @@
 
 
 //SPI Version
-//SPI spi(PTD2, PTD3, PTD1); //MOSI, MISO, SCK
 SPI spi(D_MOSI, D_MISO, D_SCLK); //MOSI, MISO, SCK
-//DigitalOut CS(PTD0);       //CS 
-//SC16IS750_SPI serial_bridge(&spi, PTD0);
-SC16IS750_SPI serial_bridge(&spi, D_CS);
+//SC16IS750_SPI serial_bridge(&spi, D_CS);
+//SC16IS750_SPI serial_bridge(&spi, D_CS, D_RST);  // version with Hardware Reset pin
+SC16IS752_SPI serial_bridge(&spi, D_CS, D_RST, SC16IS750::Channel_A);  // Dual UART version with Hardware Reset pin
+SC16IS752_SPI serial_bridge_B(&spi, D_CS, D_RST, SC16IS750::Channel_B);  // Dual UART version with Hardware Reset pin
 
 //I2C Version
 //I2C i2c(D_SDA, D_SCL);       //SDA, SCL
 //SC16IS750_I2C serial_bridge(&i2c, DEFAULT_SC16IS750_ADDR);
+//SC16IS750_I2C serial_bridge(&i2c, DEFAULT_SC16IS750_ADDR, D_RST);
 
 DigitalOut myled1(LED_RED);
 //DigitalOut myled2(LED_GREEN); 
@@ -165,7 +169,10 @@
                      break;
 
           case '2' :
-                     pc.printf("Init\n\r");                    
+                     pc.printf("Hardware Reset\n\r");                                         
+                     serial_bridge.hwReset();                             //test
+                     
+                     pc.printf("Init\n\r");                                                             
                      serial_bridge._init();                      
                      break;
           
@@ -284,31 +291,6 @@
          } //switch
        } //if  
     } //while
-
-
-
-
-#if(0)
-
-
-//  CS = 1;
- 
-  spi.format(8, 0);          
-//    spi.frequency(100000);    
-//    spi.frequency(500000);    
-  spi.frequency(1000000);
-//    spi.frequency(1500000);    
-
-
-
-  while(1) {
-    CS=0;
-    spi.write(0xAA);
-    spi.write(0x81);
-    CS=1;        
-    wait_us(5);      
-  }
-#endif
-    
+   
   pc.printf("\nBye World!\n");    
 }