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ChibiOS
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3467 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2011-11-05 08:14:16 +00:00
parent ba89f675a2
commit 5649691bf9
2 changed files with 235 additions and 106 deletions
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288
os/hal/platforms/STM32F4xx/hal_lld.h
View File

@ -51,6 +51,71 @@
#define PLATFORM_NAME "STM32F4 High Performance & DSP" #define PLATFORM_NAME "STM32F4 High Performance & DSP"
/** @} */ /** @} */
/**
* @name Absolute Maximum Ratings
* @{
*/
/**
* @brief Maximum HSE clock frequency.
*/
#define STM32_HSECLK_MAX 26000000
/**
* @brief Minimum HSE clock frequency.
*/
#define STM32_HSECLK_MIN 1000000
/**
* @brief Maximum LSE clock frequency.
*/
#define STM32_LSECLK_MAX 1000000
/**
* @brief Minimum LSE clock frequency.
*/
#define STM32_LSECLK_MIN 1000
/**
* @brief Maximum PLL input clock frequency.
*/
#define STM32_PLLIN_MAX 2000000
/**
* @brief Maximum PLL input clock frequency.
*/
#define STM32_PLLIN_MIN 950000
/**
* @brief Maximum PLLCLKOUT clock frequency.
*/
#define STM32_PLLVCO_MAX 432000000
/**
* @brief Maximum PLLCLKOUT clock frequency.
*/
#define STM32_PLLVCO_MIN 192000000
/**
* @brief Maximum PLL output clock frequency.
*/
#define STM32_PLLOUT_MAX 168000000
/**
* @brief Maximum PLL output clock frequency.
*/
#define STM32_PLLOUT_MIN 24000000
/**
* @brief Maximum APB1 clock frequency.
*/
#define STM32_PCLK1_MAX 42000000
/**
* @brief Maximum APB2 clock frequency.
*/
#define STM32_PCLK2_MAX 84000000
/** @} */
/** /**
* @name Internal clock sources * @name Internal clock sources
* @{ * @{
@ -156,6 +221,17 @@
#define STM32_PLLI2SR_MASK (7 << 28) /**< PLLI2SR mask. */ #define STM32_PLLI2SR_MASK (7 << 28) /**< PLLI2SR mask. */
/** @} */ /** @} */
/**
* @name RCC_BDCR register bits definitions
* @{
*/
#define STM32_RTCSEL_MASK (3 << 8) /**< RTC source mask. */
#define STM32_RTCSEL_NOCLOCK (0 << 8) /**< No RTC source. */
#define STM32_RTCSEL_LSE (1 << 8) /**< RTC source is LSE. */
#define STM32_RTCSEL_LSI (2 << 8) /**< RTC source is LSI. */
#define STM32_RTCSEL_HSEDIV (3 << 8) /**< RTC source is HSE divided. */
/** @} */
/*===========================================================================*/ /*===========================================================================*/
/* Platform capabilities. */ /* Platform capabilities. */
/*===========================================================================*/ /*===========================================================================*/
@ -379,6 +455,20 @@
#define STM32_LSE_ENABLED FALSE #define STM32_LSE_ENABLED FALSE
#endif #endif
/**
* @brief USB clock setting.
*/
#if !defined(STM32_USB_CLOCK_ENABLED) || defined(__DOXYGEN__)
#define STM32_USB_CLOCK_ENABLED TRUE
#endif
/**
* @brief Enables or disables the I2S clock source.
*/
#if !defined(STM32_I2S_CLOCK_ENABLED) || defined(__DOXYGEN__)
#define STM32_I2S_CLOCK_ENABLED FALSE
#endif
/** /**
* @brief Main clock source selection. * @brief Main clock source selection.
* @note If the selected clock source is not the PLL then the PLL is not * @note If the selected clock source is not the PLL then the PLL is not
@ -465,9 +555,16 @@
#endif #endif
/** /**
* @brief RTC prescaler value. * @brief RTC source clock.
*/ */
#if !defined(STM32_RTCPRE_VALUE) || defined(__DOXYGEN__) #if !defined(STM32_RTCSEL) || defined(__DOXYGEN__)
#define STM32_RTCSEL STM32_RTCSEL_LSE
#endif
/**
* @brief RTC HSE prescaler value.
*/
#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__)
#define STM32_RTCPRE_VALUE 8 #define STM32_RTCPRE_VALUE 8
#endif #endif
@ -503,12 +600,11 @@
#define STM32_MCO2PRE STM32_MCO2PRE_DIV5 #define STM32_MCO2PRE STM32_MCO2PRE_DIV5
#endif #endif
/** /**
* @brief Enables or disables the I2S clock source. * @brief Enables or disables the I2S clock source.
*/ */
#if !defined(STM32_I2S_ENABLED) || defined(__DOXYGEN__) #if !defined(STM32_I2S_CLOCK_ENABLED) || defined(__DOXYGEN__)
#define STM32_I2S_ENABLED FALSE #define STM32_I2S_CLOCK_ENABLED FALSE
#endif #endif
/** /**
@ -538,16 +634,6 @@
/* Derived constants and error checks. */ /* Derived constants and error checks. */
/*===========================================================================*/ /*===========================================================================*/
/**
* @brief Maximum HSECLK.
*/
#define STM32_HSECLK_MAX 26000000
/**
* @brief Minimum HSECLK.
*/
#define STM32_HSECLK_MIN 1000000
/** /**
* @brief Maximum SYSCLK. * @brief Maximum SYSCLK.
* @note It is a function of the core voltage setting. * @note It is a function of the core voltage setting.
@ -602,10 +688,16 @@
#error "invalid VDD voltage specified" #error "invalid VDD voltage specified"
#endif #endif
/* HSI related checks.*/ /*
* HSI related checks.
*/
#if STM32_HSI_ENABLED #if STM32_HSI_ENABLED
#else /* !STM32_HSI_ENABLED */ #else /* !STM32_HSI_ENABLED */
#if STM32_SW == STM32_SW_HSI
#error "HSI not enabled, required by STM32_SW"
#endif
#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSI) #if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSI)
#error "HSI not enabled, required by STM32_SW and STM32_PLLSRC" #error "HSI not enabled, required by STM32_SW and STM32_PLLSRC"
#endif #endif
@ -622,59 +714,95 @@
#error "HSI not enabled, required by STM32_MCO2SEL" #error "HSI not enabled, required by STM32_MCO2SEL"
#endif #endif
#if STM32_I2S_ENABLED && \ #if STM32_I2S_CLOCK_ENABLED && \
(STM32_I2SSRC == STM32_I2CSRC_PLLI2S) && \ (STM32_I2SSRC == STM32_I2CSRC_PLLI2S) && \
(STM32_PLLSRC == STM32_PLLSRC_HSI) (STM32_PLLSRC == STM32_PLLSRC_HSI)
#error "HSI not enabled, required by STM32_I2S_ENABLED and STM32_I2SSRC" #error "HSI not enabled, required by STM32_I2S_CLOCK_ENABLED and STM32_I2SSRC"
#endif #endif
#endif /* !STM32_HSI_ENABLED */ #endif /* !STM32_HSI_ENABLED */
/* HSE related checks.*/ /*
* HSE related checks.
*/
#if STM32_HSE_ENABLED #if STM32_HSE_ENABLED
#if STM32_HSECLK == 0 #if STM32_HSECLK == 0
#error "impossible to activate HSE" #error "HSE frequency not defined"
#elif (STM32_HSECLK < STM32_HSECLK_MIN) || (STM32_HSECLK > STM32_HSECLK_MAX) #elif (STM32_HSECLK < STM32_HSECLK_MIN) || (STM32_HSECLK > STM32_HSECLK_MAX)
#error "STM32_HSECLK outside acceptable range (STM32_HSECLK_MIN...STM32_HSECLK_MAX)" #error "STM32_HSECLK outside acceptable range (STM32_HSECLK_MIN...STM32_HSECLK_MAX)"
#endif #endif
#else /* !STM32_HSE_ENABLED */ #else /* !STM32_HSE_ENABLED */
#if (STM32_SW == STM32_SW_HSE) || \
((STM32_SW == STM32_SW_PLL) && \ #if STM32_SW == STM32_SW_HSE
(STM32_PLLSRC == STM32_PLLSRC_HSE)) || \ #error "HSE not enabled, required by STM32_SW"
(STM32_MCO1SEL == STM32_MCO1SEL_HSE) || \
((STM32_MCO1SEL == STM32_MCO1SEL_PLL) && \
(STM32_PLLSRC == STM32_PLLSRC_HSE)) || \
(STM32_MCO2SEL == STM32_MCO2SEL_HSE) || \
((STM32_MCO2SEL == STM32_MCO2SEL_PLL) && \
(STM32_PLLSRC == STM32_PLLSRC_HSE)) || \
(STM_RTC_SOURCE == STM32_RTCSEL_HSEDIV)
#error "required HSE clock is not enabled"
#endif #endif
#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSE)
#error "HSE not enabled, required by STM32_SW and STM32_PLLSRC"
#endif
#if (STM32_MCO1SEL == STM32_MCO1SEL_HSE) || \
((STM32_MCO1SEL == STM32_MCO1SEL_PLL) && \
(STM32_PLLSRC == STM32_PLLSRC_HSE))
#error "HSE not enabled, required by STM32_MCO1SEL"
#endif
#if (STM32_MCO2SEL == STM32_MCO2SEL_HSE) || \
((STM32_MCO2SEL == STM32_MCO2SEL_PLL) && \
(STM32_PLLSRC == STM32_PLLSRC_HSE))
#error "HSE not enabled, required by STM32_MCO2SEL"
#endif
#if STM32_I2S_CLOCK_ENABLED && \
(STM32_I2SSRC == STM32_I2CSRC_PLLI2S) && \
(STM32_PLLSRC == STM32_PLLSRC_HSE)
#error "HSE not enabled, required by STM32_I2S_CLOCK_ENABLED and STM32_I2SSRC"
#endif
#if STM32_RTCSEL == STM32_RTCSEL_HSEDIV
#error "HSE not enabled, required by STM32_RTCSEL"
#endif
#endif /* !STM32_HSE_ENABLED */ #endif /* !STM32_HSE_ENABLED */
/* LSI related checks.*/ /*
* LSI related checks.
*/
#if STM32_LSI_ENABLED #if STM32_LSI_ENABLED
#else /* !STM32_LSI_ENABLED */ #else /* !STM32_LSI_ENABLED */
#if STM_RTCCLK == STM32_LSICLK
#if STM32_RTCSEL == STM32_RTCSEL_LSI
#error "required LSI clock is not enabled" #error "required LSI clock is not enabled"
#endif #endif
#endif /* !STM32_LSI_ENABLED */ #endif /* !STM32_LSI_ENABLED */
/* LSE related checks.*/ /*
* LSE related checks.
*/
#if STM32_LSE_ENABLED #if STM32_LSE_ENABLED
#if (STM32_LSECLK == 0) #if (STM32_LSECLK == 0)
#error "impossible to activate LSE" #error "LSE frequency not defined"
#endif #endif
#if (STM32_LSECLK < 1000) || (STM32_LSECLK > 1000000)
#error "STM32_LSECLK outside acceptable range (1...1000KHz)" #if (STM32_LSECLK < STM32_LSECLK_MIN) || (STM32_LSECLK > STM32_LSECLK_MAX)
#error "STM32_LSECLK outside acceptable range (STM32_LSECLK_MIN...STM32_LSECLK_MAX)"
#endif #endif
#else /* !#if STM32_LSE_ENABLED */ #else /* !#if STM32_LSE_ENABLED */
#if STM_RTCCLK == STM32_LSECLK
#error "required LSE clock is not enabled" #if STM32_RTCSEL == STM32_RTCSEL_LSE
#error "LSE not enabled, required by STM32_RTCSEL"
#endif #endif
#endif /* !#if STM32_LSE_ENABLED */ #endif /* !#if STM32_LSE_ENABLED */
/* PLL related checks.*/ /*
* PLL related checks.
*/
#if STM32_USB_CLOCK_ENABLED || \ #if STM32_USB_CLOCK_ENABLED || \
(STM32_SW == STM32_SW_PLL) || \ (STM32_SW == STM32_SW_PLL) || \
(STM32_MCO1SEL == STM32_MCO1SEL_PLL) || \ (STM32_MCO1SEL == STM32_MCO1SEL_PLL) || \
@ -693,7 +821,7 @@
*/ */
#if ((STM32_PLLM_VALUE >= 2) && (STM32_PLLM_VALUE <= 63)) || \ #if ((STM32_PLLM_VALUE >= 2) && (STM32_PLLM_VALUE <= 63)) || \
defined(__DOXYGEN__) defined(__DOXYGEN__)
#define STM32_PLLM STM32_PLLM_VALUE #define STM32_PLLM (STM32_PLLM_VALUE << 0)
#else #else
#error "invalid STM32_PLLM_VALUE value specified" #error "invalid STM32_PLLM_VALUE value specified"
#endif #endif
@ -737,28 +865,29 @@
* @brief PLL input clock frequency. * @brief PLL input clock frequency.
*/ */
#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__) #if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__)
#define STM32_PLLCLKIN STM32_HSECLK #define STM32_PLLCLKIN (STM32_HSECLK / STM32_PLLM_VALUE)
#elif STM32_PLLSRC == STM32_PLLSRC_HSI #elif STM32_PLLSRC == STM32_PLLSRC_HSI
#define STM32_PLLCLKIN STM32_HSICLK #define STM32_PLLCLKIN (STM32_HSICLK / STM32_PLLM_VALUE)
#else #else
#error "invalid STM32_PLLSRC value specified" #error "invalid STM32_PLLSRC value specified"
#endif #endif
/* PLL input frequency range check.*/ /* PLL input frequency range check.*/
#if (STM32_PLLCLKIN < 4000000) || (STM32_PLLCLKIN > 26000000) #if (STM32_PLLCLKIN < STM32_PLLIN_MIN) || (STM32_PLLCLKIN > STM32_PLLIN_MAX)
#error "STM32_PLLCLKIN outside acceptable range (4...26MHz)" #error "STM32_PLLCLKIN outside acceptable range (STM32_PLLIN_MIN...STM32_PLLIN_MAX)"
#endif #endif
/** /**
* @brief PLL VCO frequency. * @brief PLL VCO frequency.
*/ */
#define STM32_PLLVCO ((STM32_PLLCLKIN / STM32_PLLM_VALUE) * \ #define STM32_PLLVCO (STM32_PLLCLKIN * STM32_PLLN_VALUE)
STM32_PLLN_VALUE)
/* PLL output frequency range check.*/ /*
#if (STM32_PLLVCO < 192000000) || (STM32_PLLVCO > 432000000) * PLL output frequency range check.
*/
#if (STM32_PLLVCO < STM32_PLLVCO_MIN) || (STM32_PLLVCO > STM32_PLLVCO_MAX)
#error STM32_PLLVCO #error STM32_PLLVCO
#error "STM32_PLLVCO outside acceptable range (192...432MHz)" #error "STM32_PLLVCO outside acceptable range (STM32_PLLVCO_MIN...STM32_PLLVCO_MAX)"
#endif #endif
/** /**
@ -767,15 +896,15 @@
#define STM32_PLLCLKOUT (STM32_PLLVCO / STM32_PLLP_VALUE) #define STM32_PLLCLKOUT (STM32_PLLVCO / STM32_PLLP_VALUE)
/* PLL output frequency range check.*/ /* PLL output frequency range check.*/
#if (STM32_PLLCLKOUT < 24000000) || (STM32_PLLCLKOUT > 120000000) #if (STM32_PLLCLKOUT < STM32_PLLOUT_MIN) || (STM32_PLLCLKOUT > STM32_PLLOUT_MAX)
#error "STM32_PLLCLKOUT outside acceptable range (24...120MHz)" #error "STM32_PLLCLKOUT outside acceptable range (STM32_PLLOUT_MIN...STM32_PLLOUT_MAX)"
#endif #endif
/** /**
* @brief System clock source. * @brief System clock source.
*/ */
#if STM32_NO_INIT || defined(__DOXYGEN__) #if STM32_NO_INIT || defined(__DOXYGEN__)
#define STM32_SYSCLK 96000000 #define STM32_SYSCLK STM32_HSICLK
#elif (STM32_SW == STM32_SW_HSI) #elif (STM32_SW == STM32_SW_HSI)
#define STM32_SYSCLK STM32_HSICLK #define STM32_SYSCLK STM32_HSICLK
#elif (STM32_SW == STM32_SW_HSE) #elif (STM32_SW == STM32_SW_HSE)
@ -816,7 +945,9 @@
#error "invalid STM32_HPRE value specified" #error "invalid STM32_HPRE value specified"
#endif #endif
/* AHB frequency check.*/ /*
* AHB frequency check.
*/
#if STM32_HCLK > STM32_SYSCLK_MAX #if STM32_HCLK > STM32_SYSCLK_MAX
#error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)" #error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)"
#endif #endif
@ -838,9 +969,11 @@
#error "invalid STM32_PPRE1 value specified" #error "invalid STM32_PPRE1 value specified"
#endif #endif
/* APB1 frequency check.*/ /*
#if STM32_PCLK2 > STM32_SYSCLK_MAX * APB1 frequency check.
#error "STM32_PCLK1 exceeding maximum frequency (STM32_SYSCLK_MAX)" */
#if STM32_PCLK1 > STM32_PCLK1_MAX
#error "STM32_PCLK1 exceeding maximum frequency (STM32_PCLK1_MAX)"
#endif #endif
/** /**
@ -860,9 +993,11 @@
#error "invalid STM32_PPRE2 value specified" #error "invalid STM32_PPRE2 value specified"
#endif #endif
/* APB2 frequency check.*/ /*
#if STM32_PCLK2 > STM32_SYSCLK_MAX * APB2 frequency check.
#error "STM32_PCLK2 exceeding maximum frequency (STM32_SYSCLK_MAX)" */
#if STM32_PCLK2 > STM32_PCLK2_MAX
#error "STM32_PCLK2 exceeding maximum frequency (STM32_PCLK2_MAX)"
#endif #endif
/** /**
@ -918,7 +1053,6 @@
#define STM_MCO2DIVCLK STM32_SYSCLK #define STM_MCO2DIVCLK STM32_SYSCLK
#elif STM32_MCO2SEL == STM32_MCO2SEL_PLLI2S #elif STM32_MCO2SEL == STM32_MCO2SEL_PLLI2S
#define STM_MCO2DIVCLK STM32_PLLI2S #define STM_MCO2DIVCLK STM32_PLLI2S
#else #else
#error "invalid STM32_MCO2SEL value specified" #error "invalid STM32_MCO2SEL value specified"
#endif #endif
@ -943,9 +1077,9 @@
/** /**
* @brief HSE divider toward RTC clock. * @brief HSE divider toward RTC clock.
*/ */
#if ((STM32_RTCPRE_VALUE >= 2) && (STM32_RTCPRE_VALUE <= 31)) || \ #if ((STM32_RTCPRE_VALUE >= 2) && (STM32_RTCPRE_VALUE <= 31)) || \
defined(__DOXYGEN__) defined(__DOXYGEN__)
#define STM32_HSEDIVCLK (HSECLK / STM32_RTCPRE_VALUE) #define STM32_HSEDIVCLK (STM32_HSECLK / STM32_RTCPRE_VALUE)
#else #else
#error "invalid STM32_RTCPRE value specified" #error "invalid STM32_RTCPRE value specified"
#endif #endif
@ -965,36 +1099,10 @@
#error "invalid STM32_RTCSEL value specified" #error "invalid STM32_RTCSEL value specified"
#endif #endif
/**
* @brief ADC frequency.
*/
#if (STM32_ADCPRE == STM32_ADCPRE_DIV2) || defined(__DOXYGEN__)
#define STM32_ADCCLK (STM32_PCLK2 / 2)
#elif STM32_ADCPRE == STM32_ADCPRE_DIV4
#define STM32_ADCCLK (STM32_PCLK2 / 4)
#elif STM32_ADCPRE == STM32_ADCPRE_DIV6
#define STM32_ADCCLK (STM32_PCLK2 / 6)
#elif STM32_ADCPRE == STM32_ADCPRE_DIV8
#define STM32_ADCCLK (STM32_PCLK2 / 8)
#else
#error "invalid STM32_ADCPRE value specified"
#endif
/* ADC frequency check.*/
#if STM32_ADCCLK > 30000000
#error "STM32_ADCCLK exceeding maximum frequency (30MHz)"
#endif
/** /**
* @brief OTG frequency. * @brief OTG frequency.
*/ */
#if (STM32_OTGFSPRE == STM32_OTGFSPRE_DIV3) || defined(__DOXYGEN__) #define STM32_OTGFSCLK (STM32_PLLVCO / STM32_PLLQ_VALUE)
#define STM32_OTGFSCLK (STM32_PLLVCO / 3)
#elif (STM32_OTGFSPRE == STM32_OTGFSPRE_DIV2)
#define STM32_OTGFSCLK (STM32_PLLVCO / 2)
#else
#error "invalid STM32_OTGFSPRE value specified"
#endif
/** /**
* @brief Timers 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14 clock. * @brief Timers 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14 clock.

53
os/hal/platforms/STM32L1xx/hal_lld.h
View File

@ -464,19 +464,34 @@
/* Voltage related limits.*/ /* Voltage related limits.*/
#if (STM32_VOS == STM32_VOS_1P8) || defined(__DOXYGEN__) #if (STM32_VOS == STM32_VOS_1P8) || defined(__DOXYGEN__)
/** /**
* @brief Maximum HSECLK at current voltage setting. * @brief Maximum HSE clock frequency at current voltage setting.
*/ */
#define STM32_HSECLK_MAX 32000000 #define STM32_HSECLK_MAX 32000000
/** /**
* @brief Maximum SYSCLK at current voltage setting. * @brief Maximum SYSCLK clock frequency at current voltage setting.
*/ */
#define STM32_SYSCLK_MAX 32000000 #define STM32_SYSCLK_MAX 32000000
/** /**
* @brief Maximum PLLCLKOUT at current voltage setting. * @brief Maximum VCO clock frequency at current voltage setting.
*/ */
#define STM32_PLLCLKOUT_MAX 96000000 #define STM32_PLLVCO_MAX 96000000
/**
* @brief Minimum VCO clock frequency at current voltage setting.
*/
#define STM32_PLLVCO_MIN 6000000
/**
* @brief Maximum APB1 clock frequency.
*/
#define STM32_PCLK1_MAX 32000000
/**
* @brief Maximum APB2 clock frequency.
*/
#define STM32_PCLK2_MAX 32000000
/** /**
* @brief Maximum frequency not requiring a wait state for flash accesses. * @brief Maximum frequency not requiring a wait state for flash accesses.
@ -491,13 +506,19 @@
#elif STM32_VOS == STM32_VOS_1P5 #elif STM32_VOS == STM32_VOS_1P5
#define STM32_HSECLK_MAX 16000000 #define STM32_HSECLK_MAX 16000000
#define STM32_SYSCLK_MAX 16000000 #define STM32_SYSCLK_MAX 16000000
#define STM32_PLLCLKOUT_MAX 48000000 #define STM32_PLLVCO_MAX 48000000
#define STM32_PLLVCO_MIN 6000000
#define STM32_PCLK1_MAX 16000000
#define STM32_PCLK2_MAX 16000000
#define STM32_0WS_THRESHOLD 8000000 #define STM32_0WS_THRESHOLD 8000000
#define STM32_HSI_AVAILABLE TRUE #define STM32_HSI_AVAILABLE TRUE
#elif STM32_VOS == STM32_VOS_1P2 #elif STM32_VOS == STM32_VOS_1P2
#define STM32_HSECLK_MAX 4000000 #define STM32_HSECLK_MAX 4000000
#define STM32_SYSCLK_MAX 4000000 #define STM32_SYSCLK_MAX 4000000
#define STM32_PLLCLKOUT_MAX 24000000 #define STM32_PLLVCO_MAX 24000000
#define STM32_PLLVCO_MIN 6000000
#define STM32_PCLK1_MAX 4000000
#define STM32_PCLK2_MAX 4000000
#define STM32_0WS_THRESHOLD 2000000 #define STM32_0WS_THRESHOLD 2000000
#define STM32_HSI_AVAILABLE FALSE #define STM32_HSI_AVAILABLE FALSE
#else #else
@ -636,8 +657,8 @@
#define STM32_PLLVCO (STM32_PLLCLKIN * STM32_PLLMUL_VALUE) #define STM32_PLLVCO (STM32_PLLCLKIN * STM32_PLLMUL_VALUE)
/* PLL output frequency range check.*/ /* PLL output frequency range check.*/
#if (STM32_PLLVCO < 6000000) || (STM32_PLLVCO > 96000000) #if (STM32_PLLVCO < STM32_PLLVCO_MIN) || (STM32_PLLVCO > STM32_PLLVCO_MAX)
#error "STM32_PLLVCO outside acceptable range (6...96MHz)" #error "STM32_PLLVCO outside acceptable range (STM32_PLLVCO_MIN...STM32_PLLVCO_MAX)"
#endif #endif
/** /**
@ -742,8 +763,8 @@
#endif #endif
/* APB1 frequency check.*/ /* APB1 frequency check.*/
#if STM32_PCLK2 > STM32_SYSCLK_MAX #if STM32_PCLK1 > STM32_PCLK1_MAX
#error "STM32_PCLK1 exceeding maximum frequency (STM32_SYSCLK_MAX)" #error "STM32_PCLK1 exceeding maximum frequency (STM32_PCLK1_MAX)"
#endif #endif
/** /**
@ -764,8 +785,8 @@
#endif #endif
/* APB2 frequency check.*/ /* APB2 frequency check.*/
#if STM32_PCLK2 > STM32_SYSCLK_MAX #if STM32_PCLK2 > STM32_PCLK2_MAX
#error "STM32_PCLK2 exceeding maximum frequency (STM32_SYSCLK_MAX)" #error "STM32_PCLK2 exceeding maximum frequency (STM32_PCLK2_MAX)"
#endif #endif
/** /**
@ -810,13 +831,13 @@
* @brief HSE divider toward RTC clock. * @brief HSE divider toward RTC clock.
*/ */
#if (STM32_RTCPRE == STM32_RTCPRE_DIV2) || defined(__DOXYGEN__) #if (STM32_RTCPRE == STM32_RTCPRE_DIV2) || defined(__DOXYGEN__)
#define STM32_HSEDIVCLK (HSECLK / 2) #define STM32_HSEDIVCLK (STM32_HSECLK / 2)
#elif (STM32_RTCPRE == STM32_RTCPRE_DIV4) || defined(__DOXYGEN__) #elif (STM32_RTCPRE == STM32_RTCPRE_DIV4) || defined(__DOXYGEN__)
#define STM32_HSEDIVCLK (HSECLK / 4) #define STM32_HSEDIVCLK (STM32_HSECLK / 4)
#elif (STM32_RTCPRE == STM32_RTCPRE_DIV8) || defined(__DOXYGEN__) #elif (STM32_RTCPRE == STM32_RTCPRE_DIV8) || defined(__DOXYGEN__)
#define STM32_HSEDIVCLK (HSECLK / 8) #define STM32_HSEDIVCLK (STM32_HSECLK / 8)
#elif (STM32_RTCPRE == STM32_RTCPRE_DIV16) || defined(__DOXYGEN__) #elif (STM32_RTCPRE == STM32_RTCPRE_DIV16) || defined(__DOXYGEN__)
#define STM32_HSEDIVCLK (HSECLK / 16) #define STM32_HSEDIVCLK (STM32_HSECLK / 16)
#else #else
#error "invalid STM32_RTCPRE value specified" #error "invalid STM32_RTCPRE value specified"
#endif #endif