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| author | Rocco Marco Guglielmi <roccomarco.guglielmi@live.com> | 2016-06-04 16:01:07 +0000 |
|---|---|---|
| committer | Rocco Marco Guglielmi <roccomarco.guglielmi@live.com> | 2016-06-04 16:01:07 +0000 |
| commit | 3bbaa571d416b04e88c3ca7fea276d750eee9c96 (patch) | |
| tree | 976e30005e06fa7e35ca92a858ec74c18c9054a8 /os/hal/ports/STM32/STM32F4xx | |
| parent | c325b52ac14727a1b865e716a3c6ed3661151f10 (diff) | |
| download | ChibiOS-3bbaa571d416b04e88c3ca7fea276d750eee9c96.tar.gz ChibiOS-3bbaa571d416b04e88c3ca7fea276d750eee9c96.tar.bz2 ChibiOS-3bbaa571d416b04e88c3ca7fea276d750eee9c96.zip | |
Improved PLLSAI for STM32F446xx and STM32F469xx/79xx.
Updated mcuconf.h for STM32F446xx and STM32F469xx/79xx.
Added Clock 48 selector.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9575 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/ports/STM32/STM32F4xx')
| -rw-r--r-- | os/hal/ports/STM32/STM32F4xx/hal_lld.c | 4 | ||||
| -rw-r--r-- | os/hal/ports/STM32/STM32F4xx/hal_lld.h | 24 |
2 files changed, 24 insertions, 4 deletions
diff --git a/os/hal/ports/STM32/STM32F4xx/hal_lld.c b/os/hal/ports/STM32/STM32F4xx/hal_lld.c index 91583f263..91e3c1367 100644 --- a/os/hal/ports/STM32/STM32F4xx/hal_lld.c +++ b/os/hal/ports/STM32/STM32F4xx/hal_lld.c @@ -238,8 +238,8 @@ void stm32_clock_init(void) { #if STM32_ACTIVATE_PLLSAI
/* PLLSAI activation.*/
- RCC->PLLSAICFGR = STM32_PLLSAIN | STM32_PLLSAIR | STM32_PLLSAIQ |
- STM32_PLLSAIP;
+ RCC->PLLSAICFGR = STM32_PLLSAIR | STM32_PLLSAIN | STM32_PLLSAIP |
+ STM32_PLLSAIQ | STM32_PLLSAIM;
RCC->CR |= RCC_CR_PLLSAION;
diff --git a/os/hal/ports/STM32/STM32F4xx/hal_lld.h b/os/hal/ports/STM32/STM32F4xx/hal_lld.h index 57445ed73..526a4ce1d 100644 --- a/os/hal/ports/STM32/STM32F4xx/hal_lld.h +++ b/os/hal/ports/STM32/STM32F4xx/hal_lld.h @@ -839,6 +839,16 @@ #endif
/**
+ * @brief PLLSAIM value.
+ * @note The allowed values are 2..63.
+ * @note The default value is calculated for a 96MHz SAI clock
+ * output from an external 8MHz HSE clock.
+ */
+#if !defined(STM32_PLLSAIM_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLSAIM_VALUE 4
+#endif
+
+/**
* @brief PLLSAIR value.
* @note The allowed values are 2..7.
*/
@@ -851,7 +861,7 @@ * @note The allowed values are 2, 4, 6 and 8.
*/
#if !defined(STM32_PLLSAIP_VALUE) || defined(__DOXYGEN__)
-#define STM32_PLLSAIP_VALUE 4
+#define STM32_PLLSAIP_VALUE 8
#endif
/**
@@ -1691,6 +1701,16 @@ #endif
/**
+ * @brief STM32_PLLSAIM field.
+ */
+#if ((STM32_PLLSAIM_VALUE >= 2) && (STM32_PLLSAIM_VALUE <= 63)) || \
+ defined(__DOXYGEN__)
+#define STM32_PLLSAIM (STM32_PLLSAIM_VALUE << 0)
+#else
+#error "invalid STM32_PLLSAIM_VALUE value specified"
+#endif
+
+/**
* @brief STM32_PLLSAIN field.
*/
#if ((STM32_PLLSAIN_VALUE >= 49) && (STM32_PLLSAIN_VALUE <= 432)) || \
@@ -1917,7 +1937,7 @@ #if (STM32_CK48MSEL == STM32_CK48MSEL_PLL) || defined(__DOXYGEN__)
#define STM32_PLL48CLK (STM32_PLLVCO / STM32_PLLQ_VALUE)
#elif STM32_CK48MSEL == STM32_CK48MSEL_PLLSAI
-#define STM32_PLL48CLK (STM32_PLLSAIVCO / STM32_PLLSAIQ_VALUE)
+#define STM32_PLL48CLK (STM32_PLLSAIVCO / STM32_PLLSAIP_VALUE)
#else
#error "invalid source selected for PLL48CLK clock"
#endif
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