diff options
Diffstat (limited to 'os/hal/platforms/STM32/hal_lld.h')
| -rw-r--r-- | os/hal/platforms/STM32/hal_lld.h | 247 |
1 files changed, 237 insertions, 10 deletions
diff --git a/os/hal/platforms/STM32/hal_lld.h b/os/hal/platforms/STM32/hal_lld.h index 9539ea5b1..121c1031b 100644 --- a/os/hal/platforms/STM32/hal_lld.h +++ b/os/hal/platforms/STM32/hal_lld.h @@ -27,10 +27,8 @@ #ifndef _HAL_LLD_H_
#define _HAL_LLD_H_
-/*
- * Tricks required to make the TRUE/FALSE declaration inside the library
- * compatible.
- */
+/* Tricks required to make the TRUE/FALSE declaration inside the library
+ compatible.*/
#undef FALSE
#undef TRUE
#include "stm32f10x.h"
@@ -47,24 +45,252 @@ /**
* @brief Platform name.
*/
-#define PLATFORM_NAME "STM32"
+#if defined(STM32F10X_LD)
+#define PLATFORM_NAME "STM32 LD"
+#elif defined(STM32F10X_MD)
+#define PLATFORM_NAME "STM32 MD"
+#elif defined(STM32F10X_HD)
+#define PLATFORM_NAME "STM32 HD"
+#elif defined(STM32F10X_CL)
+#define PLATFORM_NAME "STM32 CL"
+#else
+#define PLATFORM_NAME "STM32"
+#endif
+
+#define STM32_HSICLK 8000000 /**< High speed internal clock. */
+#define STM32_LSICLK 40000 /**< Low speed internal clock. */
+
+#define STM32_SW_HSI (0 << 0) /**< SYSCLK source is HSI. */
+#define STM32_SW_HSE (1 << 0) /**< SYSCLK source is HSE. */
+#define STM32_SW_PLL (2 << 0) /**< SYSCLK source is PLL. */
+
+#define STM32_HPRE_DIV1 (0 << 4) /**< SYSCLK divided by 1. */
+#define STM32_HPRE_DIV2 (8 << 4) /**< SYSCLK divided by 2. */
+#define STM32_HPRE_DIV4 (9 << 4) /**< SYSCLK divided by 4. */
+#define STM32_HPRE_DIV8 (10 << 4) /**< SYSCLK divided by 8. */
+#define STM32_HPRE_DIV16 (11 << 4) /**< SYSCLK divided by 16. */
+#define STM32_HPRE_DIV64 (12 << 4) /**< SYSCLK divided by 64. */
+#define STM32_HPRE_DIV128 (13 << 4) /**< SYSCLK divided by 128. */
+#define STM32_HPRE_DIV256 (14 << 4) /**< SYSCLK divided by 256. */
+#define STM32_HPRE_DIV512 (15 << 4) /**< SYSCLK divided by 512. */
+
+#define STM32_PPRE1_DIV1 (0 << 8) /**< HCLK divided by 1. */
+#define STM32_PPRE1_DIV2 (4 << 8) /**< HCLK divided by 2. */
+#define STM32_PPRE1_DIV4 (5 << 8) /**< HCLK divided by 4. */
+#define STM32_PPRE1_DIV8 (6 << 8) /**< HCLK divided by 8. */
+#define STM32_PPRE1_DIV16 (7 << 8) /**< HCLK divided by 16. */
+
+#define STM32_PPRE2_DIV1 (0 << 11) /**< HCLK divided by 1. */
+#define STM32_PPRE2_DIV2 (4 << 11) /**< HCLK divided by 2. */
+#define STM32_PPRE2_DIV4 (5 << 11) /**< HCLK divided by 4. */
+#define STM32_PPRE2_DIV8 (6 << 11) /**< HCLK divided by 8. */
+#define STM32_PPRE2_DIV16 (7 << 11) /**< HCLK divided by 16. */
+
+#define STM32_ADCPRE_DIV2 (0 << 14) /**< HCLK divided by 2. */
+#define STM32_ADCPRE_DIV4 (1 << 14) /**< HCLK divided by 4. */
+#define STM32_ADCPRE_DIV6 (2 << 14) /**< HCLK divided by 6. */
+#define STM32_ADCPRE_DIV9 (3 << 14) /**< HCLK divided by 8. */
+
+#define STM32_PLLSRC_HSI (0 << 16) /**< PLL clock source is HSI. */
+#define STM32_PLLSRC_HSE (1 << 16) /**< PLL clock source is HSE. */
+
+#define STM32_PLLXTPRE_DIV1 (0 << 17) /**< HSE divided by 1. */
+#define STM32_PLLXTPRE_DIV2 (1 << 17) /**< HSE divided by 2. */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
- * @brief System clock setting.
- * @note Only 48MHz and 72MHz are currently supported.
+ * @brief Main clock source selection.
+ * @note If the selected clock source is not the PLL the the PLL is not
+ * initialized and started. + */
+#define STM32_SW STM32_SW_PLL
+
+/**
+ * @brief Clock source for the PLL.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source. + */
+#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__)
+#define STM32_PLLSRC STM32_PLLSRC_HSE
+#endif
+
+/**
+ * @brief Crystal PLL pre-divider.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ */
+#if !defined(STM32_PLLXTPRE) || defined(__DOXYGEN__)
+#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
+#endif
+
+/**
+ * @brief Desired PLL output frequency.
+ * @note The PLL multiplier is calculated from the input clock and this
+ * value.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ */
+#if !defined(STM32_PLLCLKOUT) || defined(__DOXYGEN__)
+#define STM32_PLLCLKOUT 72000000
+#endif
+
+/**
+ * @brief AHB prescaler value.
+ * @note It is recommended to not change this default.
+ */
+#if !defined(STM32_HPRE) || defined(__DOXYGEN__)
+#define STM32_HPRE STM32_HPRE_DIV1
+#endif
+
+/**
+ * @brief APB1 prescaler value.
+ * @note It is recommended to not change this default.
+ */
+#if !defined(STM32_PPRE1) || defined(__DOXYGEN__)
+#define STM32_PPRE1 STM32_PPRE1_DIV2
+#endif
+
+/**
+ * @brief APB2 prescaler value.
+ * @note It is recommended to not change this default.
*/
-#if !defined(STM32_SYSCLK) || defined(__DOXYGEN__)
-#define STM32_SYSCLK 72
+#if !defined(STM32_PPRE2) || defined(__DOXYGEN__)
+#define STM32_PPRE2 STM32_PPRE2_DIV2
+#endif
+
+/**
+ * @brief ADC prescaler value.
+ * @note It is recommended to not change this default.
+ */
+#if !defined(STM32_ADCPRE) || defined(__DOXYGEN__)
+#define STM32_ADCPRE STM32_ADCPRE_DIV2
#endif
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
+#if (STM32_PLLXTPRE != STM32_PLLXTPRE_DIV1) && \
+ (STM32_PLLXTPRE != STM32_PLLXTPRE_DIV2)
+#error "invalid STM32_PLLXTPRE value specified"
+#endif
+
+/**
+ * @brief PLL input clock frequency. + */
+#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__)
+#if STM32_PLLXTPRE == STM32_PLLXTPRE_DIV1
+#define STM32_PLLCLKIN (STM32_HSECLK / 1)
+#else
+#define STM32_PLLCLKIN (STM32_HSECLK / 2)
+#endif
+#elif STM32_PLLSRC == STM32_PLLSRC_HSI
+#define STM32_PLLCLKIN (STM32_HSICLK / 2)
+#else
+#error "invalid STM32_PLLSRC value specified"
+#endif
+
+/**
+ * @brief PLL multiplier. + */
+#define STM32_PLLMUL (STM32_PLLCLKOUT / STM32_PLLCLKIN)
+#if (STM32_PLLMUL % 1) != 0
+#error "the requested PLL output frequency is not a multiple of the input frequency"
+#endif
+#if (STM32_PLLMUL < 2) || (STM32_PLLMUL > 16)
+#error "the calculated PLL multiplier is out of the allowed range (2...16)"
+#endif
+
+/**
+ * @brief PLL output clock.
+ */
+#define STM32_PLLCLK (STM32_PLLCLKIN * STM32_PLLMUL)
+
+/**
+ * @brief System clock source. + */
+#if (STM32_SW == STM32_SW_PLL) || defined(__DOXYGEN__)
+#define STM32_SYSCLK STM32_PLLCLK
+#elif (STM32_SW == STM32_SW_HSI)
+#define STM32_SYSCLK STM32_HSICLK
+#elif (STM32_SW == STM32_SW_HSE)
+#define STM32_SYSCLK STM32_HSECLK
+#else
+#error "invalid STM32_SYSCLK_SW value specified"
+#endif
+
+#if STM32_SYSCLK > 72000000
+#error "STM32_SYSCLK above maximum rated frequency (72MHz)"
+#endif
+
+/**
+ * @brief AHB frequency. + */
+#if (STM32_HPRE == STM32_HPRE_DIV1) || defined(__DOXYGEN__)
+#define STM32_HCLK (STM32_SYSCLK / 1)
+#elif STM32_HPRE == STM32_HPRE_DIV2
+#define STM32_HCLK (STM32_SYSCLK / 2)
+#elif STM32_HPRE == STM32_HPRE_DIV4
+#define STM32_HCLK (STM32_SYSCLK / 4)
+#elif STM32_HPRE == STM32_HPRE_DIV8
+#define STM32_HCLK (STM32_SYSCLK / 8)
+#elif STM32_HPRE == STM32_HPRE_DIV16
+#define STM32_HCLK (STM32_SYSCLK / 16)
+#elif STM32_HPRE == STM32_HPRE_DIV64
+#define STM32_HCLK (STM32_SYSCLK / 64)
+#elif STM32_HPRE == STM32_HPRE_DIV128
+#define STM32_HCLK (STM32_SYSCLK / 128)
+#elif STM32_HPRE == STM32_HPRE_DIV256
+#define STM32_HCLK (STM32_SYSCLK / 256)
+#elif STM32_HPRE == STM32_HPRE_DIV512
+#define STM32_HCLK (STM32_SYSCLK / 512)
+#else
+#error "invalid STM32_HPRE value specified"
+#endif
+
+#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK1 (STM32_HCLK / 1)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV2
+#define STM32_PCLK1 (STM32_HCLK / 2)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV4
+#define STM32_PCLK1 (STM32_HCLK / 4)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV8
+#define STM32_PCLK1 (STM32_HCLK / 8)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV16
+#define STM32_PCLK1 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE1 value specified"
+#endif
+
+#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK2 (STM32_HCLK / 1)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV2
+#define STM32_PCLK2 (STM32_HCLK / 2)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV4
+#define STM32_PCLK2 (STM32_HCLK / 4)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV8
+#define STM32_PCLK2 (STM32_HCLK / 8)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV16
+#define STM32_PCLK2 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE2 value specified"
+#endif
+
+/**
+ * @brief Flash settings. + */
+#if (STM32_HCLK <= 24000000) || defined(__DOXYGEN__)
+#define STM32_FLASHBITS 0x00000010
+#elif STM32_HCLK <= 48000000
+#define STM32_FLASHBITS 0x00000011
+#else
+#define STM32_FLASHBITS 0x00000012
+#endif
+
+#if 0
/*
* NOTES: PLLPRE can be 1 or 2, PLLMUL can be 2..16.
*/
@@ -74,7 +300,7 @@ #elif STM32_SYSCLK == 72
#define PLLMUL 9
#else
-#error "unsupported STM32_SYSCLK setting"
+ #define PLLMUL 555
#endif
#define PLLCLK ((HSECLK / PLLPRE) * PLLMUL)
#define SYSCLK PLLCLK
@@ -96,6 +322,7 @@ #define USBPREBITS 0
#define FLASHBITS 0x00000012
#endif
+#endif
/*===========================================================================*/
/* Driver data structures and types. */
|