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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6298 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
gdisirio 2013-09-12 17:45:10 +00:00
parent 8261c67442
commit a86b48c578
6 changed files with 56 additions and 21 deletions
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6
demos/nil/NIL-STM32F051-DISCOVERY/nilconf.h
View File

@ -51,6 +51,12 @@
*/
/*===========================================================================*/
/**
* @brief System time counter resolution.
* @note Allowed values are 16 or 32 bits.
*/
#define NIL_CFG_ST_RESOLUTION 32
/**
* @brief System tick frequency.
*/

6
demos/nil/NIL-STM32F373-STM32373C_EVAL/nilconf.h
View File

@ -51,6 +51,12 @@
*/
/*===========================================================================*/
/**
* @brief System time counter resolution.
* @note Allowed values are 16 or 32 bits.
*/
#define NIL_CFG_ST_RESOLUTION 32
/**
* @brief System tick frequency.
*/

8
demos/nil/NIL-STM32L152-DISCOVERY/nilconf.h
View File

@ -51,6 +51,12 @@
*/
/*===========================================================================*/
/**
* @brief System time counter resolution.
* @note Allowed values are 16 or 32 bits.
*/
#define NIL_CFG_ST_RESOLUTION 16
/**
* @brief System tick frequency.
*/
@ -64,7 +70,7 @@
* The value one is not valid, timeouts are rounded up to
* this value.
*/
#define NIL_CFG_ST_TIMEDELTA 0
#define NIL_CFG_ST_TIMEDELTA 2
/** @} */

12
os/hal/ports/STM32/TIMv1/st_lld.c
View File

@ -83,11 +83,11 @@
#error "STM32_ST_USE_TIMER specifies an unsupported timer"
#endif
#if ST_CLOCK_SRC % OSAL_SYSTICK_FREQUENCY != 0
#if ST_CLOCK_SRC % OSAL_ST_FREQUENCY != 0
#error "the selected ST frequency is not obtainable because integer rounding"
#endif
#if (ST_CLOCK_SRC / OSAL_SYSTICK_FREQUENCY) - 1 > 0xFFFF
#if (ST_CLOCK_SRC / OSAL_ST_FREQUENCY) - 1 > 0xFFFF
#error "the selected ST frequency is not obtainable because TIM timer prescaler limits"
#endif
@ -95,11 +95,11 @@
#if OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC
#if STM32_HCLK % OSAL_SYSTICK_FREQUENCY != 0
#if STM32_HCLK % OSAL_ST_FREQUENCY != 0
#error "the selected ST frequency is not obtainable because integer rounding"
#endif
#if (STM32_HCLK / OSAL_SYSTICK_FREQUENCY) - 1 > 0xFFFFFF
#if (STM32_HCLK / OSAL_ST_FREQUENCY) - 1 > 0xFFFFFF
#error "the selected ST frequency is not obtainable because SysTick timer counter limits"
#endif
@ -183,7 +183,7 @@ void st_lld_init(void) {
ST_ENABLE_CLOCK();
/* Initializing the counter in free running mode.*/
STM32_ST_TIM->PSC = (ST_CLOCK_SRC / OSAL_SYSTICK_FREQUENCY) - 1;
STM32_ST_TIM->PSC = (ST_CLOCK_SRC / OSAL_ST_FREQUENCY) - 1;
STM32_ST_TIM->ARR = ST_ARR_INIT;
STM32_ST_TIM->CCMR1 = 0;
STM32_ST_TIM->CCR[0] = 0;
@ -199,7 +199,7 @@ void st_lld_init(void) {
#if OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC
/* Periodic systick mode, the Cortex-Mx internal systick timer is used
in this mode.*/
SysTick->LOAD = (STM32_HCLK / OSAL_SYSTICK_FREQUENCY) - 1;
SysTick->LOAD = (STM32_HCLK / OSAL_ST_FREQUENCY) - 1;
SysTick->VAL = 0;
SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
SysTick_CTRL_ENABLE_Msk |

24
os/nil/osal/osal.h
View File

@ -85,6 +85,20 @@
#define OSAL_ST_MODE_FREERUNNING 2
/** @} */
/**
* @name Systick parameters.
* @{
*/
/**
* @brief Size in bits of the @p systick_t type.
*/
#define OSAL_ST_RESOLUTION NIL_CFG_ST_RESOLUTION
/**
* @brief Required systick frequency or resolution.
*/
#define OSAL_ST_FREQUENCY NIL_CFG_ST_FREQUENCY
/**
* @brief Systick mode required by the underlying OS.
*/
@ -93,11 +107,7 @@
#else
#define OSAL_ST_MODE OSAL_ST_MODE_FREERUNNING
#endif
/**
* @brief Required systick frequency or resolution.
*/
#define OSAL_SYSTICK_FREQUENCY NIL_CFG_ST_FREQUENCY
/** @} */
/*===========================================================================*/
/* Module pre-compile time settings. */
@ -117,6 +127,10 @@
#error "invalid OSAL_ST_MODE setting in osal.h"
#endif
#if (OSAL_ST_RESOLUTION != 16) && (OSAL_ST_RESOLUTION != 32)
#error "invalid OSAL_ST_RESOLUTION, must be 16 or 32"
#endif
/*===========================================================================*/
/* Module data structures and types. */
/*===========================================================================*/

17
os/rt/osal/osal.h
View File

@ -86,11 +86,18 @@
/** @} */
/**
* @name Systick resolution.
* @name Systick parameters.
* @{
*/
/**
* @brief Size in bits of the @p systick_t type.
*/
#define OSAL_ST_RESOLUTION CH_CFG_ST_RESOLUTION
/** @} */
/**
* @brief Required systick frequency or resolution.
*/
#define OSAL_ST_FREQUENCY CH_CFG_ST_FREQUENCY
/**
* @brief Systick mode required by the underlying OS.
@ -100,11 +107,7 @@
#else
#define OSAL_ST_MODE OSAL_ST_MODE_FREERUNNING
#endif
/**
* @brief Required systick frequency or resolution.
*/
#define OSAL_SYSTICK_FREQUENCY CH_CFG_ST_FREQUENCY
/** @} */
/*===========================================================================*/
/* Module pre-compile time settings. */