Diff: hci/src/bluenrg_shield_bsp.c

Revision:

2:905715088a9b

Parent:

1:be1cb4be316f

--- a/hci/src/bluenrg_shield_bsp.c	Fri Dec 19 19:28:15 2014 +0000
+++ b/hci/src/bluenrg_shield_bsp.c	Wed Dec 24 18:01:41 2014 +0000
@@ -41,12 +41,23 @@
 #include "wait_api.h"
 #include "pinmap.h"
 #include "bluenrg_shield_bsp.h"
+//#include "Utils.h"
 
 spi_t __spi;
 gpio_irq_t irq_exti;
-gpio_t gpio_pin_A0, gpio_pin_CS, gpio_pin_MOSI, gpio_pin_MISO, gpio_pin_SCLK, gpio_pin_RESET;
+gpio_t gpio_pin_A0;
+
+gpio_irq_t irq_exti_UB;
+gpio_t gpio_pin_UB;
+
+gpio_t gpio_pin_CS;
+gpio_t gpio_pin_MOSI;
+gpio_t gpio_pin_MISO;
+gpio_t gpio_pin_SCLK;
+gpio_t gpio_pin_RESET;
+
 void EXTI_irq_handler(uint32_t id, gpio_irq_event event);
-	
+
 /** @addtogroup BlueNRG_Shield
  *  @{
  */
@@ -56,39 +67,51 @@
  *  @{
  */
  
- 
+
 /*
 *	mbed EXTI IRQ Handler
 *
 */
+bool user_button_pressed = false;
+void USER_BUTTON_EXTI_irq_handler(uint32_t id, gpio_irq_event event)
+{
+	user_button_pressed = true;
+}
+	   
 void EXTI_irq_handler(uint32_t id, gpio_irq_event event)
 {
-	tHciDataPacket * hciReadPacket = NULL;
+  tHciDataPacket * hciReadPacket = NULL;
   uint8_t data_len;
   
-	//Check id of the IRQ
-  if(id == (uint32_t)BNRG_SPI_INSTANCE) {
-    
-		while (gpio_read(&gpio_pin_A0) == 1) {
-      if (list_is_empty (&hciReadPktPool) == FALSE){
+  if(id == (uint32_t)BNRG_SPI_INSTANCE) //Check id of the IRQ
+  {
+	  while (gpio_read(&gpio_pin_A0) == 1) 
+	  {
+      if (list_is_empty (&hciReadPktPool) == FALSE)
+      {
         /* enqueueing a packet for read */
         list_remove_head (&hciReadPktPool, (tListNode **)&hciReadPacket);
         data_len = BlueNRG_SPI_Read_All(hciReadPacket->dataBuff, HCI_PACKET_SIZE);
         
-        if(data_len > 0){
-          /* Packet will be inserted to the correct queue */
-          HCI_Input(hciReadPacket);
-        } else {
-          /* Insert the packet back into the pool */
-          list_insert_head(&hciReadPktPool, (tListNode *)hciReadPacket);
+        if(data_len > 0)
+        {
+          HCI_Input(hciReadPacket);/* Packet will be inserted to the correct queue */
+        } 
+        else 
+        {
+          list_insert_head(&hciReadPktPool, (tListNode *)hciReadPacket);/* Insert the packet back into the pool */
         }
-        
-      } else{
+      }
+      else
+      {
         /* TODO: HCI Read Packet Pool is empty, wait for a free packet */
       }
-      
     }
   }
+  else if(id == (uint32_t)BNRG_SPI_INSTANCE + 1) //Check id of the IRQ
+  {
+	user_button_pressed = true;
+  }
 }
 
 /**
@@ -103,37 +126,32 @@
 * @retval None
 */
 void BNRG_SPI_Init(void)
-{  
+{
   int ret;
-	spi_init(&__spi, D11, D12, D13, NC);
-	//spi_format(&__spi, 8, 0, 0);
-  	//spi_frequency(&__spi, 1000000);
-	
-	/*Init IRQ for EXTI Interrupt*/	
-	//gpio_init(&gpio_pin_A0, A0);//PA_0 in Nucleo
-	ret = gpio_irq_init(&irq_exti, A0, EXTI_irq_handler,(uint32_t)BNRG_SPI_INSTANCE);
-	gpio_irq_set(&irq_exti, IRQ_RISE, 1);//Set mode to IRQ_RISE
-	gpio_init_in(&gpio_pin_A0, A0);//PA_0 in Nucleo//Configure the GPIO Pin as Input pin and PullDefault
-	//gpio_irq_enable(&irq_exti);//IRQ already enabled in IRQ init call above.
+  spi_init(&__spi, D11, D12, D13, NC);
+
+#if 1
+  ret = gpio_irq_init(&irq_exti_UB, USER_BUTTON, USER_BUTTON_EXTI_irq_handler,(uint32_t)(BNRG_SPI_INSTANCE+1));
+  gpio_irq_set       (&irq_exti_UB, IRQ_FALL, 1);//Set mode to IRQ_RISE
+  gpio_init_in(&gpio_pin_UB, USER_BUTTON);//User Button in Nucleo//Configure the GPIO Pin as Input pin and PullDefault
+#endif
 	
-	/* Reset Pin Config */    
-	gpio_init(&gpio_pin_RESET, D7);//PA_8 in Nucleo
-	gpio_mode(&gpio_pin_RESET, PullNone);
-	gpio_dir(&gpio_pin_RESET, PIN_OUTPUT);
-	gpio_write(&gpio_pin_RESET, 1);
+  /*Init IRQ for EXTI Interrupt*/	
+  ret = gpio_irq_init(&irq_exti, A0, EXTI_irq_handler,(uint32_t)BNRG_SPI_INSTANCE);
+  gpio_irq_set       (&irq_exti, IRQ_RISE, 1);//Set mode to IRQ_RISE
+  gpio_init_in(&gpio_pin_A0, A0);//PA_0 in Nucleo//Configure the GPIO Pin as Input pin and PullDefault
+  
+  /* Reset Pin Config */    
+  gpio_init (&gpio_pin_RESET, D7);//PA_8 in Nucleo
+  gpio_mode (&gpio_pin_RESET, PullNone);
+  gpio_dir  (&gpio_pin_RESET, PIN_OUTPUT);
+  gpio_write(&gpio_pin_RESET, 1);
 	
-	/* SCLK - PA_5 - Not needed to configure if correct PinName is given to spi_init, in this case PB_3 for L0*/    
-	/*gpio_init(&gpio_pin_SCLK, PB_3); //PA_5 is not USED????!!!! Since configuring PA_5 does not work!
-	gpio_mode(&gpio_pin_SCLK, PullUp);
-	//gpio_dir(&gpio_pin_SCLK, PIN_INPUT); //just 2 options of PIN_INPUT and PIN_OUTPUT does not suffice to configure Pin.
-	pin_function(PB_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, 0));*/
-	
-	/* NSS/CSN/CS - PA_1*/		
-	gpio_init(&gpio_pin_CS, A1);//PA_1 in Nucleo
-	gpio_mode(&gpio_pin_CS, PullNone);
-	gpio_dir(&gpio_pin_CS, PIN_OUTPUT);
-	gpio_write(&gpio_pin_CS, 1);
-		
+  /* NSS/CSN/CS - PA_1*/		
+  gpio_init (&gpio_pin_CS, A1);//PA_1 in Nucleo
+  gpio_mode (&gpio_pin_CS, PullNone);
+  gpio_dir  (&gpio_pin_CS, PIN_OUTPUT);
+  gpio_write(&gpio_pin_CS, 1);
 }
 
 /**
@@ -311,10 +329,11 @@
  */
 void BlueNRG_RST(void)
 {    
-	gpio_write(&gpio_pin_RESET, 0);
-  	wait_us(5);
-	gpio_write(&gpio_pin_RESET, 1);
-  	wait_us(5);
+  gpio_write(&gpio_pin_RESET, 0);
+  wait_us(5);
+	
+  gpio_write(&gpio_pin_RESET, 1);
+  wait_us(5);
 }
 
 /**