From d92e5c0852dc88fde18e4bf6ce9abb4a137e022f Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Tue, 4 Nov 2008 16:39:35 +0000
Subject: Add some GPIO usage checks

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1127 42af7a65-404d-4744-a932-0658087f49c3
---
 nuttx/arch/arm/src/str71x/str71x_prccu.c | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

(limited to 'nuttx/arch')

diff --git a/nuttx/arch/arm/src/str71x/str71x_prccu.c b/nuttx/arch/arm/src/str71x/str71x_prccu.c
index 159a32ffd..fce496e3c 100644
--- a/nuttx/arch/arm/src/str71x/str71x_prccu.c
+++ b/nuttx/arch/arm/src/str71x/str71x_prccu.c
@@ -76,6 +76,12 @@
 #ifndef CONFIG_STR71X_I2C1
 #  define APB1EN_I2C1 STR71X_APB1_I2C1
 #else
+#  ifndef CONFIG_STR71X_GPIO0
+#    error "I2C1 requires GPIO0"
+#  endif
+#  ifdef CONFIG_STR71X_BSPI0
+#    error "I2C1 is incompatible with BSPI0"
+#  endif
 #  define APB1EN_I2C1 (0)
 #endif
 
@@ -110,7 +116,10 @@
 #  define APB1EN_UART3 STR71X_APB1_UART3
 #else
 #  ifndef CONFIG_STR71X_GPIO0
-#    error "CONFIG_STR71X_UART3 requires CONFIG_STR71X_GPIO0"
+#    error "UART3 requires GPIO0"
+#  endif
+#  ifdef CONFIG_STR71X_BSPI0
+#    error "UART3 is incompatible with BSPI0"
 #  endif
 #  define APB1EN_UART3 (0)
 #endif
@@ -130,12 +139,24 @@
 #ifndef CONFIG_STR71X_BSPI0
 #  define APB1EN_BSPI0 STR71X_APB1_BSPI0
 #else
+#  ifndef CONFIG_STR71X_GPIO0
+#    error "BSPI0 requires GPIO0"
+#  endif
+#  ifdef CONFIG_STR71X_UART3
+#    error "BSPI0 is incompatible with UART3"
+#  endif
+#  ifdef CONFIG_STR71X_I2C1
+#    error "BSPI0 is incompatible with I2C1"
+#  endif
 #  define APB1EN_BSPI0 (0)
 #endif
 
 #ifndef CONFIG_STR71X_BSPI1
 #  define APB1EN_BSPI1 STR71X_APB1_BSPI1
 #else
+#  ifndef CONFIG_STR71X_GPIO0
+#    error "BSPI1 requires GPIO0"
+#  endif
 #  define APB1EN_BSPI1 (0)
 #endif
 
-- 
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