diff options
Diffstat (limited to 'os/hal/platforms/STM32/sdc_lld.h')
| -rw-r--r-- | os/hal/platforms/STM32/sdc_lld.h | 89 |
1 files changed, 70 insertions, 19 deletions
diff --git a/os/hal/platforms/STM32/sdc_lld.h b/os/hal/platforms/STM32/sdc_lld.h index 1d4f21034..437ca9c1d 100644 --- a/os/hal/platforms/STM32/sdc_lld.h +++ b/os/hal/platforms/STM32/sdc_lld.h @@ -1,6 +1,6 @@ /*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
- 2011,2012 Giovanni Di Sirio.
+ 2011 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
@@ -35,6 +35,23 @@ /* Driver constants. */
/*===========================================================================*/
+/**
+ * @brief Value to clear all interrupts flag at once.
+ */
+#define STM32_SDIO_ICR_ALL_FLAGS (SDIO_ICR_CCRCFAILC | SDIO_ICR_DCRCFAILC | \
+ SDIO_ICR_CTIMEOUTC | SDIO_ICR_DTIMEOUTC | \
+ SDIO_ICR_TXUNDERRC | SDIO_ICR_RXOVERRC | \
+ SDIO_ICR_CMDRENDC | SDIO_ICR_CMDSENTC | \
+ SDIO_ICR_DATAENDC | SDIO_ICR_STBITERRC | \
+ SDIO_ICR_DBCKENDC | SDIO_ICR_SDIOITC | \
+ SDIO_ICR_CEATAENDC)
+
+/**
+ * @brief Mask of error flags in STA register.
+ */
+#define STM32_SDIO_STA_ERROR_MASK (SDIO_STA_CCRCFAIL | SDIO_STA_DCRCFAIL | \
+ SDIO_STA_CTIMEOUT | SDIO_STA_DTIMEOUT | \
+ SDIO_STA_TXUNDERR | SDIO_STA_RXOVERR)
/*===========================================================================*/
/* Driver pre-compile time settings. */
@@ -45,13 +62,6 @@ * @{
*/
/**
- * @brief SDIO data timeout in SDIO clock cycles.
- */
-#if !defined(STM32_SDC_DATATIMEOUT) || defined(__DOXYGEN__)
-#define STM32_SDC_DATATIMEOUT 0x000FFFFF
-#endif
-
-/**
* @brief SDIO DMA priority (0..3|lowest..highest).
*/
#if !defined(STM32_SDC_SDIO_DMA_PRIORITY) || defined(__DOXYGEN__)
@@ -65,12 +75,6 @@ #define STM32_SDC_SDIO_IRQ_PRIORITY 9
#endif
-/**
- * @brief SDIO support for unaligned transfers.
- */
-#if !defined(STM32_SDC_UNALIGNED_SUPPORT) || defined(__DOXYGEN__)
-#define STM32_SDC_UNALIGNED_SUPPORT TRUE
-#endif
/** @} */
/*===========================================================================*/
@@ -88,14 +92,33 @@ /*
* SDIO clock divider.
*/
-#if STM32_HCLK > 48000000
-#define STM32_SDIO_DIV_HS 0x01
-#define STM32_SDIO_DIV_LS 0xB2
+#if (defined(STM32F4XX) || defined(STM32F2XX))
+ #define STM32_SDIO_DIV_HS 0
+ #define STM32_SDIO_DIV_LS 120
+#elif STM32_HCLK > 48000000
+ #define STM32_SDIO_DIV_HS 1
+ #define STM32_SDIO_DIV_LS 178
+#else
+ #define STM32_SDIO_DIV_HS 0
+ #define STM32_SDIO_DIV_LS 118
+#endif
+
+/**
+ * @brief SDIO data timeouts in SDIO clock cycles.
+ */
+#if (defined(STM32F4XX) || defined(STM32F2XX))
+ #define STM32_SDC_WRITE_TIMEOUT \
+ (((48000000 / (STM32_SDIO_DIV_HS + 2)) / 1000) * SDC_WRITE_TIMEOUT_MS)
+ #define STM32_SDC_READ_TIMEOUT \
+ (((48000000 / (STM32_SDIO_DIV_HS + 2)) / 1000) * SDC_READ_TIMEOUT_MS)
#else
-#define STM32_SDIO_DIV_HS 0x00
-#define STM32_SDIO_DIV_LS 0x76
+ #define STM32_SDC_WRITE_TIMEOUT \
+ (((STM32_HCLK /((STM32_SDIO_DIV_HS + 2)) / 1000) * SDC_WRITE_TIMEOUT_MS)
+ #define STM32_SDC_READ_TIMEOUT \
+ (((STM32_HCLK /((STM32_SDIO_DIV_HS + 2)) / 1000) * SDC_READ_TIMEOUT_MS)
#endif
+
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
@@ -115,6 +138,11 @@ typedef enum { typedef uint32_t sdcmode_t;
/**
+ * @brief SDC Driver condition flags type.
+ */
+typedef uint32_t sdcflags_t;
+
+/**
* @brief Type of a structure representing an SDC driver.
*/
typedef struct SDCDriver SDCDriver;
@@ -144,6 +172,10 @@ struct SDCDriver { */
sdcmode_t cardmode;
/**
+ * @brief Errors flags.
+ */
+ sdcflags_t errors;
+ /**
* @brief Card CID.
*/
uint32_t cid[4];
@@ -155,11 +187,30 @@ struct SDCDriver { * @brief Card RCA.
*/
uint32_t rca;
+ /**
+ * @brief Total number of blocks in card.
+ */
+ uint32_t capacity;
/* End of the mandatory fields.*/
/**
* @brief Thread waiting for I/O completion IRQ.
*/
Thread *thread;
+ /**
+ * @brief DMA mode bit mask.
+ */
+ uint32_t dmamode;
+ /**
+ * @brief Transmit DMA channel.
+ */
+ const stm32_dma_stream_t *dma;
+ /**
+ * @brief Pointer to the SDIO registers block.
+ * @note Used only for dubugging purpose.
+ */
+#if CH_DBG_ENABLE_ASSERTS
+ SDIO_TypeDef *sdio;
+#endif
};
/*===========================================================================*/
|