From 49754b31dc6bdcee0c8f0a2eeb83a615231b5615 Mon Sep 17 00:00:00 2001
From: liamstask <liamstask@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Mon, 12 Jul 2010 16:54:48 +0000
Subject: * fix typo in STM32 SPI DMA priority macro * add support for SPI3 on
 STM32 connectivity line devices (deselected by default)

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2074 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/platforms/STM32/spi_lld.h | 43 ++++++++++++++++++++++++++++++++++++++--
 1 file changed, 41 insertions(+), 2 deletions(-)

(limited to 'os/hal/platforms/STM32/spi_lld.h')

diff --git a/os/hal/platforms/STM32/spi_lld.h b/os/hal/platforms/STM32/spi_lld.h
index a6ccb8467..4b44a2750 100644
--- a/os/hal/platforms/STM32/spi_lld.h
+++ b/os/hal/platforms/STM32/spi_lld.h
@@ -56,13 +56,22 @@
 #define USE_STM32_SPI2              TRUE
 #endif
 
+/**
+ * @brief SPI3 driver enable switch.
+ * @details If set to @p TRUE the support for SPI3 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(USE_STM32_SPI3) || defined(__DOXYGEN__)
+#define USE_STM32_SPI3              FALSE
+#endif
+
 /**
  * @brief SPI1 DMA priority (0..3|lowest..highest).
  * @note The priority level is used for both the TX and RX DMA channels but
  *       because of the channels ordering the RX channel has always priority
  *       over the TX channel.
  */
-#if !defined(SPI1_DMA_PRIORITY) || defined(__DOXYGEN__)
+#if !defined(STM32_SPI1_DMA_PRIORITY) || defined(__DOXYGEN__)
 #define STM32_SPI1_DMA_PRIORITY     2
 #endif
 
@@ -72,10 +81,20 @@
  *       because of the channels ordering the RX channel has always priority
  *       over the TX channel.
  */
-#if !defined(SPI2_DMA_PRIORITY) || defined(__DOXYGEN__)
+#if !defined(STM32_SPI2_DMA_PRIORITY) || defined(__DOXYGEN__)
 #define STM32_SPI2_DMA_PRIORITY     2
 #endif
 
+/**
+ * @brief SPI3 DMA priority (0..3|lowest..highest).
+ * @note The priority level is used for both the TX and RX DMA channels but
+ *       because of the channels ordering the RX channel has always priority
+ *       over the TX channel.
+ */
+#if !defined(STM32_SPI3_DMA_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_SPI3_DMA_PRIORITY     2
+#endif
+
 /**
  * @brief SPI1 interrupt priority level setting.
  */
@@ -90,6 +109,13 @@
 #define STM32_SPI2_IRQ_PRIORITY     10
 #endif
 
+/**
+ * @brief SPI3 interrupt priority level setting.
+ */
+#if !defined(STM32_SPI3_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_SPI3_IRQ_PRIORITY     10
+#endif
+
 /**
  * @brief SPI1 DMA error hook.
  * @note The default action for DMA errors is a system halt because DMA error
@@ -108,6 +134,15 @@
 #define STM32_SPI2_DMA_ERROR_HOOK() chSysHalt()
 #endif
 
+/**
+ * @brief SPI3 DMA error hook.
+ * @note The default action for DMA errors is a system halt because DMA error
+ *       can only happen because programming errors.
+ */
+#if !defined(STM32_SPI3_DMA_ERROR_HOOK) || defined(__DOXYGEN__)
+#define STM32_SPI3_DMA_ERROR_HOOK() chSysHalt()
+#endif
+
 /*===========================================================================*/
 /* Derived constants and error checks.                                       */
 /*===========================================================================*/
@@ -195,6 +230,10 @@ extern SPIDriver SPID1;
 extern SPIDriver SPID2;
 #endif
 
+#if USE_STM32_SPI3 && !defined(__DOXYGEN__)
+extern SPIDriver SPID3;
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
-- 
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