From 1cc29880400d5fd5ec3bb592a0d68354c78ec327 Mon Sep 17 00:00:00 2001
From: marcoveeneman <marco-veeneman@hotmail.com>
Date: Sun, 10 Sep 2017 21:16:14 +0200
Subject: Aligned the Tiva port to the SPI driver improvements.

---
 os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.c |  6 ++++--
 os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.h | 36 +++++++++++++++++++++++++++------
 2 files changed, 34 insertions(+), 8 deletions(-)

diff --git a/os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.c b/os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.c
index 98defed..126959f 100644
--- a/os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.c
+++ b/os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.c
@@ -359,6 +359,7 @@ void spi_lld_stop(SPIDriver *spip)
   }
 }
 
+#if (SPI_SELECT_MODE == SPI_SELECT_MODE_LLD) || defined(__DOXYGEN__)
 /**
  * @brief   Asserts the slave select signal and prepares for transfers.
  *
@@ -368,7 +369,7 @@ void spi_lld_stop(SPIDriver *spip)
  */
 void spi_lld_select(SPIDriver *spip)
 {
-  palClearPad(spip->config->ssport, spip->config->sspad);
+  /* No implementation on Tiva.*/
 }
 
 /**
@@ -381,8 +382,9 @@ void spi_lld_select(SPIDriver *spip)
  */
 void spi_lld_unselect(SPIDriver *spip)
 {
-  palSetPad(spip->config->ssport, spip->config->sspad);
+  /* No implementation on Tiva.*/
 }
+#endif
 
 /**
  * @brief   Ignores data on the SPI bus.
diff --git a/os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.h b/os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.h
index 64560eb..4dcf6db 100644
--- a/os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.h
+++ b/os/hal/ports/TIVA/LLD/SSI/hal_spi_lld.h
@@ -165,6 +165,10 @@
 #define TIVA_UDMA_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.                                         */
 /*===========================================================================*/
@@ -189,16 +193,34 @@ typedef struct {
   /**
    * @brief Operation complete callback or @p NULL.
    */
-  spicallback_t         end_cb;
-  /* End of the mandatory fields.*/
+  spicallback_t             end_cb;
+#if (SPI_SELECT_MODE == SPI_SELECT_MODE_LINE) || defined(__DOXYGEN__)
+  /**
+   * @brief The chip select line.
+   */
+  ioline_t                  ssline;
+#endif
+#if (SPI_SELECT_MODE == SPI_SELECT_MODE_PORT) || defined(__DOXYGEN__)
+  /**
+   * @brief The chip select port.
+   */
+  ioportid_t                ssport;
   /**
-   * @brief The chip select line port.
+   * @brief The chip select port mask.
    */
-  ioportid_t            ssport;
+  uint8fast_t               ssmask;
+#endif
+#if (SPI_SELECT_MODE == SPI_SELECT_MODE_PAD) || defined(__DOXYGEN__)
   /**
-   * @brief The chip select line pad number.
+   * @brief The chip select port.
    */
-  uint16_t              sspad;
+  ioportid_t                ssport;
+  /**
+   * @brief The chip select pad number.
+   */
+  uint_fast8_t              sspad;
+#endif
+  /* End of the mandatory fields.*/
   /**
    * @brief SSI CR0 initialization data.
    */
@@ -289,8 +311,10 @@ 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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