From 021f73634e525901dd38b206dac35b747c8dd8d2 Mon Sep 17 00:00:00 2001
From: henryk <henryk@6dc7ffe9-61d6-0310-9af1-9938baff3ed1>
Date: Thu, 20 Dec 2007 04:02:47 +0000
Subject: Add SSC_DATA_GATE support

git-svn-id: https://svn.openpcd.org:2342/trunk@399 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
---
 openpicc/application/cmd.c      | 14 ++++++++++++++
 openpicc/application/ssc_picc.c | 15 +++++++++++++++
 openpicc/application/ssc_picc.h |  4 ++++
 openpicc/config/board.h         |  4 +---
 4 files changed, 34 insertions(+), 3 deletions(-)

(limited to 'openpicc')

diff --git a/openpicc/application/cmd.c b/openpicc/application/cmd.c
index b66c6c8..ac1d605 100644
--- a/openpicc/application/cmd.c
+++ b/openpicc/application/cmd.c
@@ -212,6 +212,17 @@ void prvExecCommand(u_int32_t cmd, portCHAR *args) {
 			DumpStringToUSB("cdiv_sync enabled \n\r");
 		    }
 		    break;
+#ifdef OPENPICC_MODIFIED_BOARD
+		case 'G':
+		    i=atoiEx(args, &args);
+		    ssc_set_data_gate(i);
+		    if(i==0) {
+			DumpStringToUSB("SSC_DATA disabled \n\r");
+		    } else {
+			DumpStringToUSB("SSC_DATA enabled \n\r");
+		    }
+		    break;
+#endif
 		case 'D':
 		    i=atoiEx(args, &args);
 		    tc_cdiv_set_divider(i);
@@ -404,6 +415,9 @@ void prvExecCommand(u_int32_t cmd, portCHAR *args) {
 			" * d div- set tc_cdiv divider value 16, 32, 64, ...\n\r"
 			" * j,k  - increase, decrease fdt_offset\n\r"
 			" * a    - change load modulation level\n\r"
+#ifdef OPENPICC_MODIFIED_BOARD
+			" * g 0/1- disable or enable SSC_DATA through gate\n\r"
+#endif
 			" * 9    - reset CPU\n\r"
 			" * ?,h  - display this help screen\n\r"
 			" *\n\r"
diff --git a/openpicc/application/ssc_picc.c b/openpicc/application/ssc_picc.c
index 79df04e..ab3f2e9 100644
--- a/openpicc/application/ssc_picc.c
+++ b/openpicc/application/ssc_picc.c
@@ -668,6 +668,16 @@ void ssc_tx_init(void)
 	tx_pdc = (AT91PS_PDC) &(ssc->SSC_RPR);
 }
 
+#ifdef OPENPICC_MODIFIED_BOARD
+void ssc_set_data_gate(int enable)
+{
+	if(enable)
+		AT91F_PIO_SetOutput(AT91C_BASE_PIOA, OPENPICC_PIO_SSC_DATA_GATE);
+	else
+		AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, OPENPICC_PIO_SSC_DATA_GATE);
+}
+#endif
+
 void ssc_rx_init(void)
 { 
 	tc_cdiv_sync_init();
@@ -687,6 +697,11 @@ void ssc_rx_init(void)
 	
 	AT91F_PIO_CfgOutput(AT91C_BASE_PIOA, OPENPICC_PIO_SSC_DATA_CONTROL);
 	AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, OPENPICC_PIO_SSC_DATA_CONTROL);
+	
+#ifdef OPENPICC_MODIFIED_BOARD
+	AT91F_PIO_CfgOutput(AT91C_BASE_PIOA, OPENPICC_PIO_SSC_DATA_GATE);
+	AT91F_PIO_SetOutput(AT91C_BASE_PIOA, OPENPICC_PIO_SSC_DATA_GATE);
+#endif
 
 	AT91F_AIC_ConfigureIt(AT91C_ID_SSC,
 			      OPENPICC_IRQ_PRIO_SSC,
diff --git a/openpicc/application/ssc_picc.h b/openpicc/application/ssc_picc.h
index b769fe7..650a09e 100644
--- a/openpicc/application/ssc_picc.h
+++ b/openpicc/application/ssc_picc.h
@@ -100,4 +100,8 @@ extern void ssc_tx_start(ssc_dma_tx_buffer_t *buf);
 extern volatile u_int32_t ssc_tx_fiq_fdt_cdiv;
 extern volatile u_int32_t ssc_tx_fiq_fdt_ssc;
 
+#ifdef OPENPICC_MODIFIED_BOARD
+extern void ssc_set_data_gate(int enable);
+#endif
+
 #endif
diff --git a/openpicc/config/board.h b/openpicc/config/board.h
index 85afd9e..e332b17 100644
--- a/openpicc/config/board.h
+++ b/openpicc/config/board.h
@@ -77,13 +77,11 @@
 #define OPENPICC_SSC_DATA	   AT91C_PA18_RD
 #define OPENPICC_SSC_CLOCK	   AT91C_PA19_RK
 #define OPENPICC_SSC_TF		   AT91C_PIO_PA15
-#ifdef OPENPICC_MODIFIED_BOARD
-#define OPENPICC_SSC_DATA_GATE	   AT91C_PA30
-#endif
 
 #define OPENPICC_PIO_FRAME         AT91C_PIO_PA20
 #ifdef OPENPICC_MODIFIED_BOARD
 #define OPENPICC_PIO_FRAME_BURST   AT91C_PIO_PA4
+#define OPENPICC_PIO_SSC_DATA_GATE AT91C_PIO_PA31
 #endif
 #define OPENPICC_PIO_SSC_DATA_CONTROL   AT91C_PIO_PA21
 #define OPENPICC_PIO_AB_DETECT          AT91C_PIO_PA22
-- 
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