From 9d9a04e4645b9f4b70e74dd4245a1412e82c902a Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Sun, 3 Sep 2017 15:48:09 +0000
Subject: SPI driver improvements.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10545 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/ports/STM32/LLD/SPIv1/hal_spi_lld.h | 32 ++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

(limited to 'os/hal/ports/STM32/LLD/SPIv1/hal_spi_lld.h')

diff --git a/os/hal/ports/STM32/LLD/SPIv1/hal_spi_lld.h b/os/hal/ports/STM32/LLD/SPIv1/hal_spi_lld.h
index 2f3435ea2..b2755f31b 100644
--- a/os/hal/ports/STM32/LLD/SPIv1/hal_spi_lld.h
+++ b/os/hal/ports/STM32/LLD/SPIv1/hal_spi_lld.h
@@ -396,6 +396,10 @@
 #define STM32_DMA_REQUIRED
 #endif
 
+#if SPI_SELECT_MODE == SPI_SELECT_MODE_LLD
+#error "SPI_SELECT_MODE_LLD not supported by this driver"
+#endif
+
 /*===========================================================================*/
 /* Driver data structures and types.                                         */
 /*===========================================================================*/
@@ -421,15 +425,33 @@ typedef struct {
    * @brief Operation complete callback or @p NULL.
    */
   spicallback_t             end_cb;
-  /* End of the mandatory fields.*/
+#if (SPI_SELECT_MODE == SPI_SELECT_MODE_LINE) || defined(__DOXYGEN__)
+  /**
+   * @brief The chip select line.
+   */
+  ioportid_t                ssline;
+#endif
+#if (SPI_SELECT_MODE == SPI_SELECT_MODE_PORT) || defined(__DOXYGEN__)
   /**
-   * @brief The chip select line port.
+   * @brief The chip select port.
    */
   ioportid_t                ssport;
   /**
-   * @brief The chip select line pad number.
+   * @brief The chip select port mask.
    */
-  uint16_t                  sspad;
+  uint8fast_t               ssmask;
+#endif
+#if (SPI_SELECT_MODE == SPI_SELECT_MODE_PAD) || defined(__DOXYGEN__)
+  /**
+   * @brief The chip select port.
+   */
+  ioportid_t                ssport;
+  /**
+   * @brief The chip select pad number.
+   */
+  uint_fast8_t              sspad;
+#endif
+  /* End of the mandatory fields.*/
   /**
    * @brief SPI CR1 register initialization data.
    */
@@ -528,8 +550,10 @@ extern "C" {
   void spi_lld_init(void);
   void spi_lld_start(SPIDriver *spip);
   void spi_lld_stop(SPIDriver *spip);
+#if (SPI_SELECT_MODE == SPI_SELECT_MODE_LLD) || defined(__DOXYGEN__)
   void spi_lld_select(SPIDriver *spip);
   void spi_lld_unselect(SPIDriver *spip);
+#endif
   void spi_lld_ignore(SPIDriver *spip, size_t n);
   void spi_lld_exchange(SPIDriver *spip, size_t n,
                         const void *txbuf, void *rxbuf);
-- 
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