From f06c7a7ffa7ca7bcd0c86238e9f94a9f4cf8333f Mon Sep 17 00:00:00 2001
From: henryk <henryk@6dc7ffe9-61d6-0310-9af1-9938baff3ed1>
Date: Fri, 21 Dec 2007 00:24:39 +0000
Subject: Use finer grained #ifdef's for the new board's features

git-svn-id: https://svn.openpcd.org:2342/trunk@400 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
---
 openpicc/application/ssc_picc.c     | 6 ++++++
 openpicc/application/tc_cdiv.c      | 8 ++++----
 openpicc/application/tc_cdiv_sync.c | 2 +-
 openpicc/config/board.h             | 4 ++++
 4 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/openpicc/application/ssc_picc.c b/openpicc/application/ssc_picc.c
index ab3f2e9..d92c7bc 100644
--- a/openpicc/application/ssc_picc.c
+++ b/openpicc/application/ssc_picc.c
@@ -441,6 +441,9 @@ void ssc_tx_start(ssc_dma_tx_buffer_t *buf)
 	AT91F_SSC_EnableTx(AT91C_BASE_SSC);
 #else
 	ssc_tx_pending = 1;
+#ifdef OPENPICC_USE_SSC_DATA_GATING
+	ssc_set_data_gate(0);
+#endif
 	pio_irq_enable(OPENPICC_SSC_TF);
 	if(AT91F_PIO_IsInputSet(AT91C_BASE_PIOA, OPENPICC_SSC_TF)) {
 		/* TF was probably already high when we enabled the PIO change interrupt for it. */
@@ -590,6 +593,9 @@ static void __ramfunc ssc_irq(void)
 		DEBUGP("TXSYN ");
 	
 	if(ssc_sr & AT91C_SSC_ENDTX) {
+#ifdef OPENPICC_USE_SSC_DATA_GATING
+		ssc_set_data_gate(1);
+#endif
 		//usb_print_string_f("ENDTX ", 0);
 		if(ssc_tx_buffer.state == PENDING) {
 			ssc_tx_buffer.state = FREE;
diff --git a/openpicc/application/tc_cdiv.c b/openpicc/application/tc_cdiv.c
index eb8484c..226abbe 100644
--- a/openpicc/application/tc_cdiv.c
+++ b/openpicc/application/tc_cdiv.c
@@ -45,7 +45,7 @@ void __ramfunc tc_cdiv_set_divider(u_int16_t div)
 	 * zero modulo the new RC.*/
 	/*tc_cdiv_phase_add(tcb->TCB_TC0.TC_RC-(tcb->TCB_TC0.TC_CV%tcb->TCB_TC0.TC_RC));*/
 	if(tcb->TCB_TC0.TC_CV > div
-#ifdef OPENPICC_MODIFIED_BOARD
+#ifdef OPENPICC_USE_CLOCK_GATING
 	/* Don't spin if FRAME_BURST is clear, the clock is stopped in this case */
 	&& !(!AT91F_PIO_IsInputSet(AT91C_BASE_PIOA, OPENPICC_PIO_FRAME_BURST))
 #endif
@@ -81,7 +81,7 @@ void tc_cdiv_init(void)
 			    OPENPICC_PIO_CARRIER_DIV_OUT |
 			    OPENPICC_PIO_CDIV_HELP_OUT |
 			    OPENPICC_PIO_CDIV_HELP_IN
-#ifdef OPENPICC_MODIFIED_BOARD
+#ifdef OPENPICC_USE_CLOCK_GATING
 				| OPENPICC_PIO_FRAME_BURST
 #endif
 			    );
@@ -95,7 +95,7 @@ void tc_cdiv_init(void)
 	/* Connect TCLK1 to XC1, TCLK2 to XC2 */
 	tcb->TCB_BMR &= ~(AT91C_TCB_TC1XC1S | AT91C_TCB_TC2XC2S);
 	tcb->TCB_BMR |=  (AT91C_TCB_TC1XC1S_TCLK1 | AT91C_TCB_TC2XC2S_TCLK2);
-#ifdef OPENPICC_MODIFIED_BOARD
+#ifdef OPENPICC_USE_CLOCK_GATING
 	/* Connect TCLK0 to XC0 */
 	tcb->TCB_BMR &= ~(AT91C_TCB_TC0XC0S);
 	tcb->TCB_BMR |=  (AT91C_TCB_TC0XC0S_TCLK0);
@@ -112,7 +112,7 @@ void tc_cdiv_init(void)
 			      AT91C_TC_BEEVT_SET | AT91C_TC_BCPB_CLEAR |
 			      AT91C_TC_EEVT_XC2 | AT91C_TC_ETRGEDG_RISING |
 			      AT91C_TC_BSWTRG_CLEAR | AT91C_TC_ASWTRG_CLEAR
-#ifdef OPENPICC_MODIFIED_BOARD
+#ifdef OPENPICC_USE_CLOCK_GATING
 				| AT91C_TC_BURST_XC0
 #endif
 			      ;
diff --git a/openpicc/application/tc_cdiv_sync.c b/openpicc/application/tc_cdiv_sync.c
index c6d3f47..dbaf3f7 100644
--- a/openpicc/application/tc_cdiv_sync.c
+++ b/openpicc/application/tc_cdiv_sync.c
@@ -46,7 +46,7 @@ void tc_cdiv_sync_reset(void)
 		for (i = 0; i < 0xff; i++) ;
 		AT91F_PIO_SetOutput(AT91C_BASE_PIOA,
 				    OPENPICC_PIO_SSC_DATA_CONTROL);
-#ifdef OPENPICC_MODIFIED_BOARD
+#ifdef OPENPICC_USE_CLOCK_GATING
 		/* reset tc_cdiv counter, the cleared frame signal stopped the tc_cdiv clock */
 		tc_cdiv_reset();
 #endif
diff --git a/openpicc/config/board.h b/openpicc/config/board.h
index e332b17..0cfc9a5 100644
--- a/openpicc/config/board.h
+++ b/openpicc/config/board.h
@@ -55,6 +55,10 @@
 /* Modified board, routing PLL_LOCK to PA5 and a copy of FRAME to PA4, enabling the use of the T/C BURST feature. */
 #define OPENPICC_MODIFIED_BOARD
 
+#ifdef OPENPICC_MODIFIED_BOARD
+#define OPENPICC_USE_SSC_DATA_GATING
+#define OPENPICC_USE_CLOCK_GATING
+#endif
 
 /*-----------------*/
 /* Pins            */
-- 
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