From b5be7c184f7d07b49a04098cd41d980f90f7e699 Mon Sep 17 00:00:00 2001
From: henryk <henryk@6dc7ffe9-61d6-0310-9af1-9938baff3ed1>
Date: Wed, 5 Mar 2008 05:52:53 +0000
Subject: convert pio irq isr to a switching isr

git-svn-id: https://svn.openpcd.org:2342/trunk@444 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
---
 openpicc/application/iso14443_layer2a.c |  3 ++-
 openpicc/application/pio_irq.c          | 21 +++++++++++++--------
 openpicc/application/pio_irq.h          |  3 ++-
 openpicc/application/pll.c              |  3 ++-
 4 files changed, 19 insertions(+), 11 deletions(-)

(limited to 'openpicc')

diff --git a/openpicc/application/iso14443_layer2a.c b/openpicc/application/iso14443_layer2a.c
index 3c55967..17cbca8 100644
--- a/openpicc/application/iso14443_layer2a.c
+++ b/openpicc/application/iso14443_layer2a.c
@@ -219,12 +219,13 @@ static void iso14443_ssc_callback(ssc_callback_reason reason, void *data)
 	
 }
 
-static void iso14443_rx_FRAME_cb(u_int32_t pio)
+static portBASE_TYPE iso14443_rx_FRAME_cb(u_int32_t pio, portBASE_TYPE xTaskWoken)
 {
 	(void)pio;
 	if(PRINT_DEBUG) usb_print_string_f("°", 0);  // DEBUG OUTPUT
 	if(AT91F_PIO_IsInputSet(AT91C_BASE_PIOA, OPENPICC_PIO_FRAME))
 		ssc_frame_started();
+	return xTaskWoken;
 }
 
 int iso14443_layer2a_init(u_int8_t enable_fast_receive)
diff --git a/openpicc/application/pio_irq.c b/openpicc/application/pio_irq.c
index 3a753d4..81ce3de 100644
--- a/openpicc/application/pio_irq.c
+++ b/openpicc/application/pio_irq.c
@@ -18,6 +18,8 @@
  *
  */
 
+#include "FreeRTOS.h"
+
 #include <errno.h>
 #include <sys/types.h>
 #include <lib_AT91SAM7.h>
@@ -73,7 +75,7 @@ volatile u_int32_t pio_irq_isr_value;
 
 /* low-level handler, used by Cstartup_app.S PIOA fast forcing and
  * by regular interrupt handler below */
-void __ramfunc __pio_irq_demux(u_int32_t pio)
+portBASE_TYPE __ramfunc __pio_irq_demux(u_int32_t pio, portBASE_TYPE xTaskWoken)
 {
 	u_int8_t send_usb = 0;
 	int i;
@@ -83,33 +85,36 @@ void __ramfunc __pio_irq_demux(u_int32_t pio)
 
 	for (i = 0; i < NR_PIO; i++) {
 		if (pio & (1 << i) && pirqs.handlers[i])
-			pirqs.handlers[i](i);
+			xTaskWoken = pirqs.handlers[i](i, xTaskWoken);
 		if (pirqs.usbmask & (1 << i))
 			send_usb = 1;
 	}
 
 	AT91F_AIC_AcknowledgeIt();
 	//AT91F_AIC_ClearIt(AT91C_ID_PIOA);
+	return xTaskWoken;
 }
 
 /* regular interrupt handler, in case fast forcing for PIOA disabled */
 static void pio_irq_demux(void) __attribute__ ((naked));
 static void pio_irq_demux(void)
 {
-	portSAVE_CONTEXT();
+	portENTER_SWITCHING_ISR();
+	portBASE_TYPE xTaskWoken = pdFALSE;
 	u_int32_t pio = AT91F_PIO_GetInterruptStatus(AT91C_BASE_PIOA);
-	__pio_irq_demux(pio);
-	portRESTORE_CONTEXT();	
+	xTaskWoken = __pio_irq_demux(pio, xTaskWoken);
+	portEXIT_SWITCHING_ISR(xTaskWoken);
 }
 
 /* nearly regular interrupt handler, in case fast forcing for PIOA is enabled and the secondary irq hack used */
 static void pio_irq_demux_secondary(void) __attribute__ ((naked));
 static void pio_irq_demux_secondary(void)
 {
-	portSAVE_CONTEXT();
-	__pio_irq_demux(pio_irq_isr_value);
+	portENTER_SWITCHING_ISR();
+	portBASE_TYPE xTaskWoken = pdFALSE;
+	xTaskWoken = __pio_irq_demux(pio_irq_isr_value, xTaskWoken);
 	AT91F_AIC_ClearIt(PIO_SECONDARY_IRQ);
-	portRESTORE_CONTEXT();	
+	portEXIT_SWITCHING_ISR(xTaskWoken);
 }
 
 void pio_irq_enable(u_int32_t pio)
diff --git a/openpicc/application/pio_irq.h b/openpicc/application/pio_irq.h
index 98a4b63..d5d8490 100644
--- a/openpicc/application/pio_irq.h
+++ b/openpicc/application/pio_irq.h
@@ -2,9 +2,10 @@
 #define _PIO_IRQ_H
 
 #include "openpicc.h"
+#include "FreeRTOS.h"
 
 #define NR_PIO 32
-typedef void irq_handler_t(u_int32_t pio);
+typedef portBASE_TYPE irq_handler_t(u_int32_t pio, portBASE_TYPE xTaskWoken);
 
 extern void pio_irq_enable(u_int32_t pio);
 extern void pio_irq_disable(u_int32_t pio);
diff --git a/openpicc/application/pll.c b/openpicc/application/pll.c
index aca95b1..400bbc9 100644
--- a/openpicc/application/pll.c
+++ b/openpicc/application/pll.c
@@ -44,13 +44,14 @@ int pll_is_locked(void)
 	return AT91F_PIO_IsInputSet(AT91C_BASE_PIOA, OPENPICC->PLL_LOCK);
 }
 
-static void pll_lock_change_cb(u_int32_t pio)
+static portBASE_TYPE pll_lock_change_cb(u_int32_t pio, portBASE_TYPE xTaskWoken)
 {
 	(void)pio;
 	DEBUGPCRF("PLL LOCK: %d", pll_is_locked());
 #if 0
 	vLedSetRed(pll_is_locked());
 #endif
+	return xTaskWoken;
 }
 
 void pll_init(void)
-- 
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