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不吃油炸鸡
2026-02-28 15:22:51 +08:00
parent fb866b90fd
commit ee919c463a
1 changed files with 147 additions and 147 deletions
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294
software/Power_Pico/Core/Src/system_stm32f4xx.c
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@@ -4,16 +4,16 @@
* @author MCD Application Team
* @brief CMSIS Cortex-M4 Device Peripheral Access Layer System Source File.
*
* This file provides two functions and one global variable to be called from
* This file provides two functions and one global variable to be called from
* user application:
* - SystemInit(): This function is called at startup just after reset and
* - SystemInit(): This function is called at startup just after reset and
* before branch to main program. This call is made inside
* the "startup_stm32f4xx.s" file.
*
* - SystemCoreClock variable: Contains the core clock (HCLK), it can be used
* by the user application to setup the SysTick
* by the user application to setup the SysTick
* timer or configure other parameters.
*
*
* - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must
* be called whenever the core clock is changed
* during program execution.
@@ -38,8 +38,8 @@
/** @addtogroup stm32f4xx_system
* @{
*/
*/
/** @addtogroup STM32F4xx_System_Private_Includes
* @{
*/
@@ -47,7 +47,7 @@
#include "stm32f4xx.h"
#if !defined (HSE_VALUE)
#if !defined (HSE_VALUE)
#define HSE_VALUE ((uint32_t)25000000) /*!< Default value of the External oscillator in Hz */
#endif /* HSE_VALUE */
@@ -79,7 +79,7 @@
/* #define DATA_IN_ExtSRAM */
#endif /* STM32F40xxx || STM32F41xxx || STM32F42xxx || STM32F43xxx || STM32F469xx || STM32F479xx ||\
STM32F412Zx || STM32F412Vx */
#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\
|| defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
/* #define DATA_IN_ExtSDRAM */
@@ -129,7 +129,7 @@
/* This variable is updated in three ways:
1) by calling CMSIS function SystemCoreClockUpdate()
2) by calling HAL API function HAL_RCC_GetHCLKFreq()
3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
Note: If you use this function to configure the system clock; then there
is no need to call the 2 first functions listed above, since SystemCoreClock
variable is updated automatically.
@@ -146,7 +146,7 @@ const uint8_t APBPrescTable[8] = {0, 0, 0, 0, 1, 2, 3, 4};
*/
#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM)
static void SystemInit_ExtMemCtl(void);
static void SystemInit_ExtMemCtl(void);
#endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */
/**
@@ -159,7 +159,7 @@ const uint8_t APBPrescTable[8] = {0, 0, 0, 0, 1, 2, 3, 4};
/**
* @brief Setup the microcontroller system
* Initialize the FPU setting, vector table location and External memory
* Initialize the FPU setting, vector table location and External memory
* configuration.
* @param None
* @retval None
@@ -172,7 +172,7 @@ void SystemInit(void)
#endif
#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM)
SystemInit_ExtMemCtl();
SystemInit_ExtMemCtl();
#endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */
/* Configure the Vector Table location -------------------------------------*/
@@ -186,41 +186,41 @@ void SystemInit(void)
* The SystemCoreClock variable contains the core clock (HCLK), it can
* be used by the user application to setup the SysTick timer or configure
* other parameters.
*
*
* @note Each time the core clock (HCLK) changes, this function must be called
* to update SystemCoreClock variable value. Otherwise, any configuration
* based on this variable will be incorrect.
*
* @note - The system frequency computed by this function is not the real
* frequency in the chip. It is calculated based on the predefined
* based on this variable will be incorrect.
*
* @note - The system frequency computed by this function is not the real
* frequency in the chip. It is calculated based on the predefined
* constant and the selected clock source:
*
*
* - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(*)
*
*
* - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(**)
*
* - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**)
*
* - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**)
* or HSI_VALUE(*) multiplied/divided by the PLL factors.
*
*
* (*) HSI_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value
* 16 MHz) but the real value may vary depending on the variations
* in voltage and temperature.
*
* in voltage and temperature.
*
* (**) HSE_VALUE is a constant defined in stm32f4xx_hal_conf.h file (its value
* depends on the application requirements), user has to ensure that HSE_VALUE
* is same as the real frequency of the crystal used. Otherwise, this function
* may have wrong result.
*
*
* - The result of this function could be not correct when using fractional
* value for HSE crystal.
*
*
* @param None
* @retval None
*/
void SystemCoreClockUpdate(void)
{
uint32_t tmp = 0, pllvco = 0, pllp = 2, pllsource = 0, pllm = 2;
/* Get SYSCLK source -------------------------------------------------------*/
tmp = RCC->CFGR & RCC_CFGR_SWS;
@@ -236,10 +236,10 @@ void SystemCoreClockUpdate(void)
/* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLL_M) * PLL_N
SYSCLK = PLL_VCO / PLL_P
*/
*/
pllsource = (RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) >> 22;
pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM;
if (pllsource != 0)
{
/* HSE used as PLL clock source */
@@ -288,79 +288,79 @@ void SystemInit_ExtMemCtl(void)
/* Delay after an RCC peripheral clock enabling */
tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN);
/* Connect PDx pins to FMC Alternate function */
GPIOD->AFR[0] = 0x00CCC0CC;
GPIOD->AFR[1] = 0xCCCCCCCC;
/* Configure PDx pins in Alternate function mode */
/* Configure PDx pins in Alternate function mode */
GPIOD->MODER = 0xAAAA0A8A;
/* Configure PDx pins speed to 100 MHz */
/* Configure PDx pins speed to 100 MHz */
GPIOD->OSPEEDR = 0xFFFF0FCF;
/* Configure PDx pins Output type to push-pull */
/* Configure PDx pins Output type to push-pull */
GPIOD->OTYPER = 0x00000000;
/* No pull-up, pull-down for PDx pins */
/* No pull-up, pull-down for PDx pins */
GPIOD->PUPDR = 0x00000000;
/* Connect PEx pins to FMC Alternate function */
GPIOE->AFR[0] = 0xC00CC0CC;
GPIOE->AFR[1] = 0xCCCCCCCC;
/* Configure PEx pins in Alternate function mode */
/* Configure PEx pins in Alternate function mode */
GPIOE->MODER = 0xAAAA828A;
/* Configure PEx pins speed to 100 MHz */
/* Configure PEx pins speed to 100 MHz */
GPIOE->OSPEEDR = 0xFFFFC3CF;
/* Configure PEx pins Output type to push-pull */
/* Configure PEx pins Output type to push-pull */
GPIOE->OTYPER = 0x00000000;
/* No pull-up, pull-down for PEx pins */
/* No pull-up, pull-down for PEx pins */
GPIOE->PUPDR = 0x00000000;
/* Connect PFx pins to FMC Alternate function */
GPIOF->AFR[0] = 0xCCCCCCCC;
GPIOF->AFR[1] = 0xCCCCCCCC;
/* Configure PFx pins in Alternate function mode */
/* Configure PFx pins in Alternate function mode */
GPIOF->MODER = 0xAA800AAA;
/* Configure PFx pins speed to 50 MHz */
/* Configure PFx pins speed to 50 MHz */
GPIOF->OSPEEDR = 0xAA800AAA;
/* Configure PFx pins Output type to push-pull */
/* Configure PFx pins Output type to push-pull */
GPIOF->OTYPER = 0x00000000;
/* No pull-up, pull-down for PFx pins */
/* No pull-up, pull-down for PFx pins */
GPIOF->PUPDR = 0x00000000;
/* Connect PGx pins to FMC Alternate function */
GPIOG->AFR[0] = 0xCCCCCCCC;
GPIOG->AFR[1] = 0xCCCCCCCC;
/* Configure PGx pins in Alternate function mode */
/* Configure PGx pins in Alternate function mode */
GPIOG->MODER = 0xAAAAAAAA;
/* Configure PGx pins speed to 50 MHz */
/* Configure PGx pins speed to 50 MHz */
GPIOG->OSPEEDR = 0xAAAAAAAA;
/* Configure PGx pins Output type to push-pull */
/* Configure PGx pins Output type to push-pull */
GPIOG->OTYPER = 0x00000000;
/* No pull-up, pull-down for PGx pins */
/* No pull-up, pull-down for PGx pins */
GPIOG->PUPDR = 0x00000000;
/* Connect PHx pins to FMC Alternate function */
GPIOH->AFR[0] = 0x00C0CC00;
GPIOH->AFR[1] = 0xCCCCCCCC;
/* Configure PHx pins in Alternate function mode */
/* Configure PHx pins in Alternate function mode */
GPIOH->MODER = 0xAAAA08A0;
/* Configure PHx pins speed to 50 MHz */
/* Configure PHx pins speed to 50 MHz */
GPIOH->OSPEEDR = 0xAAAA08A0;
/* Configure PHx pins Output type to push-pull */
/* Configure PHx pins Output type to push-pull */
GPIOH->OTYPER = 0x00000000;
/* No pull-up, pull-down for PHx pins */
/* No pull-up, pull-down for PHx pins */
GPIOH->PUPDR = 0x00000000;
/* Connect PIx pins to FMC Alternate function */
GPIOI->AFR[0] = 0xCCCCCCCC;
GPIOI->AFR[1] = 0x00000CC0;
/* Configure PIx pins in Alternate function mode */
/* Configure PIx pins in Alternate function mode */
GPIOI->MODER = 0x0028AAAA;
/* Configure PIx pins speed to 50 MHz */
/* Configure PIx pins speed to 50 MHz */
GPIOI->OSPEEDR = 0x0028AAAA;
/* Configure PIx pins Output type to push-pull */
/* Configure PIx pins Output type to push-pull */
GPIOI->OTYPER = 0x00000000;
/* No pull-up, pull-down for PIx pins */
/* No pull-up, pull-down for PIx pins */
GPIOI->PUPDR = 0x00000000;
/*-- FMC Configuration -------------------------------------------------------*/
/* Enable the FMC interface clock */
RCC->AHB3ENR |= 0x00000001;
@@ -368,53 +368,53 @@ void SystemInit_ExtMemCtl(void)
tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN);
FMC_Bank5_6->SDCR[0] = 0x000019E4;
FMC_Bank5_6->SDTR[0] = 0x01115351;
FMC_Bank5_6->SDTR[0] = 0x01115351;
/* SDRAM initialization sequence */
/* Clock enable command */
FMC_Bank5_6->SDCMR = 0x00000011;
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
FMC_Bank5_6->SDCMR = 0x00000011;
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
while((tmpreg != 0) && (timeout-- > 0))
{
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
}
/* Delay */
for (index = 0; index<1000; index++);
/* PALL command */
FMC_Bank5_6->SDCMR = 0x00000012;
FMC_Bank5_6->SDCMR = 0x00000012;
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
timeout = 0xFFFF;
while((tmpreg != 0) && (timeout-- > 0))
{
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
}
/* Auto refresh command */
FMC_Bank5_6->SDCMR = 0x00000073;
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
timeout = 0xFFFF;
while((tmpreg != 0) && (timeout-- > 0))
{
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
}
/* MRD register program */
FMC_Bank5_6->SDCMR = 0x00046014;
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
timeout = 0xFFFF;
while((tmpreg != 0) && (timeout-- > 0))
{
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
}
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
}
/* Set refresh count */
tmpreg = FMC_Bank5_6->SDRTR;
FMC_Bank5_6->SDRTR = (tmpreg | (0x0000027C<<1));
/* Disable write protection */
tmpreg = FMC_Bank5_6->SDCR[0];
tmpreg = FMC_Bank5_6->SDCR[0];
FMC_Bank5_6->SDCR[0] = (tmpreg & 0xFFFFFDFF);
#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)
@@ -422,7 +422,7 @@ void SystemInit_ExtMemCtl(void)
FMC_Bank1->BTCR[2] = 0x00001011;
FMC_Bank1->BTCR[3] = 0x00000201;
FMC_Bank1E->BWTR[2] = 0x0fffffff;
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */
#if defined(STM32F469xx) || defined(STM32F479xx)
/* Configure and enable Bank1_SRAM2 */
FMC_Bank1->BTCR[2] = 0x00001091;
@@ -430,7 +430,7 @@ void SystemInit_ExtMemCtl(void)
FMC_Bank1E->BWTR[2] = 0x0fffffff;
#endif /* STM32F469xx || STM32F479xx */
(void)(tmp);
(void)(tmp);
}
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx */
#elif defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM)
@@ -456,13 +456,13 @@ void SystemInit_ExtMemCtl(void)
clock */
RCC->AHB1ENR |= 0x0000007D;
#else
/* Enable GPIOC, GPIOD, GPIOE, GPIOF, GPIOG, GPIOH and GPIOI interface
/* Enable GPIOC, GPIOD, GPIOE, GPIOF, GPIOG, GPIOH and GPIOI interface
clock */
RCC->AHB1ENR |= 0x000001F8;
#endif /* STM32F446xx */
#endif /* STM32F446xx */
/* Delay after an RCC peripheral clock enabling */
tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN);
#if defined(STM32F446xx)
/* Connect PAx pins to FMC Alternate function */
GPIOA->AFR[0] |= 0xC0000000;
@@ -492,78 +492,78 @@ void SystemInit_ExtMemCtl(void)
/* Connect PDx pins to FMC Alternate function */
GPIOD->AFR[0] = 0x000000CC;
GPIOD->AFR[1] = 0xCC000CCC;
/* Configure PDx pins in Alternate function mode */
/* Configure PDx pins in Alternate function mode */
GPIOD->MODER = 0xA02A000A;
/* Configure PDx pins speed to 50 MHz */
/* Configure PDx pins speed to 50 MHz */
GPIOD->OSPEEDR = 0xA02A000A;
/* Configure PDx pins Output type to push-pull */
/* Configure PDx pins Output type to push-pull */
GPIOD->OTYPER = 0x00000000;
/* No pull-up, pull-down for PDx pins */
/* No pull-up, pull-down for PDx pins */
GPIOD->PUPDR = 0x00000000;
/* Connect PEx pins to FMC Alternate function */
GPIOE->AFR[0] = 0xC00000CC;
GPIOE->AFR[1] = 0xCCCCCCCC;
/* Configure PEx pins in Alternate function mode */
/* Configure PEx pins in Alternate function mode */
GPIOE->MODER = 0xAAAA800A;
/* Configure PEx pins speed to 50 MHz */
/* Configure PEx pins speed to 50 MHz */
GPIOE->OSPEEDR = 0xAAAA800A;
/* Configure PEx pins Output type to push-pull */
/* Configure PEx pins Output type to push-pull */
GPIOE->OTYPER = 0x00000000;
/* No pull-up, pull-down for PEx pins */
/* No pull-up, pull-down for PEx pins */
GPIOE->PUPDR = 0x00000000;
/* Connect PFx pins to FMC Alternate function */
GPIOF->AFR[0] = 0xCCCCCCCC;
GPIOF->AFR[1] = 0xCCCCCCCC;
/* Configure PFx pins in Alternate function mode */
/* Configure PFx pins in Alternate function mode */
GPIOF->MODER = 0xAA800AAA;
/* Configure PFx pins speed to 50 MHz */
/* Configure PFx pins speed to 50 MHz */
GPIOF->OSPEEDR = 0xAA800AAA;
/* Configure PFx pins Output type to push-pull */
/* Configure PFx pins Output type to push-pull */
GPIOF->OTYPER = 0x00000000;
/* No pull-up, pull-down for PFx pins */
/* No pull-up, pull-down for PFx pins */
GPIOF->PUPDR = 0x00000000;
/* Connect PGx pins to FMC Alternate function */
GPIOG->AFR[0] = 0xCCCCCCCC;
GPIOG->AFR[1] = 0xCCCCCCCC;
/* Configure PGx pins in Alternate function mode */
/* Configure PGx pins in Alternate function mode */
GPIOG->MODER = 0xAAAAAAAA;
/* Configure PGx pins speed to 50 MHz */
/* Configure PGx pins speed to 50 MHz */
GPIOG->OSPEEDR = 0xAAAAAAAA;
/* Configure PGx pins Output type to push-pull */
/* Configure PGx pins Output type to push-pull */
GPIOG->OTYPER = 0x00000000;
/* No pull-up, pull-down for PGx pins */
/* No pull-up, pull-down for PGx pins */
GPIOG->PUPDR = 0x00000000;
#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\
|| defined(STM32F469xx) || defined(STM32F479xx)
|| defined(STM32F469xx) || defined(STM32F479xx)
/* Connect PHx pins to FMC Alternate function */
GPIOH->AFR[0] = 0x00C0CC00;
GPIOH->AFR[1] = 0xCCCCCCCC;
/* Configure PHx pins in Alternate function mode */
/* Configure PHx pins in Alternate function mode */
GPIOH->MODER = 0xAAAA08A0;
/* Configure PHx pins speed to 50 MHz */
/* Configure PHx pins speed to 50 MHz */
GPIOH->OSPEEDR = 0xAAAA08A0;
/* Configure PHx pins Output type to push-pull */
/* Configure PHx pins Output type to push-pull */
GPIOH->OTYPER = 0x00000000;
/* No pull-up, pull-down for PHx pins */
/* No pull-up, pull-down for PHx pins */
GPIOH->PUPDR = 0x00000000;
/* Connect PIx pins to FMC Alternate function */
GPIOI->AFR[0] = 0xCCCCCCCC;
GPIOI->AFR[1] = 0x00000CC0;
/* Configure PIx pins in Alternate function mode */
/* Configure PIx pins in Alternate function mode */
GPIOI->MODER = 0x0028AAAA;
/* Configure PIx pins speed to 50 MHz */
/* Configure PIx pins speed to 50 MHz */
GPIOI->OSPEEDR = 0x0028AAAA;
/* Configure PIx pins Output type to push-pull */
/* Configure PIx pins Output type to push-pull */
GPIOI->OTYPER = 0x00000000;
/* No pull-up, pull-down for PIx pins */
/* No pull-up, pull-down for PIx pins */
GPIOI->PUPDR = 0x00000000;
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx */
/*-- FMC Configuration -------------------------------------------------------*/
/* Enable the FMC interface clock */
RCC->AHB3ENR |= 0x00000001;
@@ -573,68 +573,68 @@ void SystemInit_ExtMemCtl(void)
/* Configure and enable SDRAM bank1 */
#if defined(STM32F446xx)
FMC_Bank5_6->SDCR[0] = 0x00001954;
#else
#else
FMC_Bank5_6->SDCR[0] = 0x000019E4;
#endif /* STM32F446xx */
FMC_Bank5_6->SDTR[0] = 0x01115351;
FMC_Bank5_6->SDTR[0] = 0x01115351;
/* SDRAM initialization sequence */
/* Clock enable command */
FMC_Bank5_6->SDCMR = 0x00000011;
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
FMC_Bank5_6->SDCMR = 0x00000011;
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
while((tmpreg != 0) && (timeout-- > 0))
{
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
}
/* Delay */
for (index = 0; index<1000; index++);
/* PALL command */
FMC_Bank5_6->SDCMR = 0x00000012;
FMC_Bank5_6->SDCMR = 0x00000012;
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
timeout = 0xFFFF;
while((tmpreg != 0) && (timeout-- > 0))
{
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
}
/* Auto refresh command */
#if defined(STM32F446xx)
FMC_Bank5_6->SDCMR = 0x000000F3;
#else
#else
FMC_Bank5_6->SDCMR = 0x00000073;
#endif /* STM32F446xx */
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
timeout = 0xFFFF;
while((tmpreg != 0) && (timeout-- > 0))
{
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
}
/* MRD register program */
#if defined(STM32F446xx)
FMC_Bank5_6->SDCMR = 0x00044014;
#else
#else
FMC_Bank5_6->SDCMR = 0x00046014;
#endif /* STM32F446xx */
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
timeout = 0xFFFF;
while((tmpreg != 0) && (timeout-- > 0))
{
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
}
tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
}
/* Set refresh count */
tmpreg = FMC_Bank5_6->SDRTR;
#if defined(STM32F446xx)
FMC_Bank5_6->SDRTR = (tmpreg | (0x0000050C<<1));
#else
#else
FMC_Bank5_6->SDRTR = (tmpreg | (0x0000027C<<1));
#endif /* STM32F446xx */
/* Disable write protection */
tmpreg = FMC_Bank5_6->SDCR[0];
tmpreg = FMC_Bank5_6->SDCR[0];
FMC_Bank5_6->SDCR[0] = (tmpreg & 0xFFFFFDFF);
#endif /* DATA_IN_ExtSDRAM */
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx */
@@ -649,55 +649,55 @@ void SystemInit_ExtMemCtl(void)
RCC->AHB1ENR |= 0x00000078;
/* Delay after an RCC peripheral clock enabling */
tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIODEN);
/* Connect PDx pins to FMC Alternate function */
GPIOD->AFR[0] = 0x00CCC0CC;
GPIOD->AFR[1] = 0xCCCCCCCC;
/* Configure PDx pins in Alternate function mode */
/* Configure PDx pins in Alternate function mode */
GPIOD->MODER = 0xAAAA0A8A;
/* Configure PDx pins speed to 100 MHz */
/* Configure PDx pins speed to 100 MHz */
GPIOD->OSPEEDR = 0xFFFF0FCF;
/* Configure PDx pins Output type to push-pull */
/* Configure PDx pins Output type to push-pull */
GPIOD->OTYPER = 0x00000000;
/* No pull-up, pull-down for PDx pins */
/* No pull-up, pull-down for PDx pins */
GPIOD->PUPDR = 0x00000000;
/* Connect PEx pins to FMC Alternate function */
GPIOE->AFR[0] = 0xC00CC0CC;
GPIOE->AFR[1] = 0xCCCCCCCC;
/* Configure PEx pins in Alternate function mode */
/* Configure PEx pins in Alternate function mode */
GPIOE->MODER = 0xAAAA828A;
/* Configure PEx pins speed to 100 MHz */
/* Configure PEx pins speed to 100 MHz */
GPIOE->OSPEEDR = 0xFFFFC3CF;
/* Configure PEx pins Output type to push-pull */
/* Configure PEx pins Output type to push-pull */
GPIOE->OTYPER = 0x00000000;
/* No pull-up, pull-down for PEx pins */
/* No pull-up, pull-down for PEx pins */
GPIOE->PUPDR = 0x00000000;
/* Connect PFx pins to FMC Alternate function */
GPIOF->AFR[0] = 0x00CCCCCC;
GPIOF->AFR[1] = 0xCCCC0000;
/* Configure PFx pins in Alternate function mode */
/* Configure PFx pins in Alternate function mode */
GPIOF->MODER = 0xAA000AAA;
/* Configure PFx pins speed to 100 MHz */
/* Configure PFx pins speed to 100 MHz */
GPIOF->OSPEEDR = 0xFF000FFF;
/* Configure PFx pins Output type to push-pull */
/* Configure PFx pins Output type to push-pull */
GPIOF->OTYPER = 0x00000000;
/* No pull-up, pull-down for PFx pins */
/* No pull-up, pull-down for PFx pins */
GPIOF->PUPDR = 0x00000000;
/* Connect PGx pins to FMC Alternate function */
GPIOG->AFR[0] = 0x00CCCCCC;
GPIOG->AFR[1] = 0x000000C0;
/* Configure PGx pins in Alternate function mode */
/* Configure PGx pins in Alternate function mode */
GPIOG->MODER = 0x00085AAA;
/* Configure PGx pins speed to 100 MHz */
/* Configure PGx pins speed to 100 MHz */
GPIOG->OSPEEDR = 0x000CAFFF;
/* Configure PGx pins Output type to push-pull */
/* Configure PGx pins Output type to push-pull */
GPIOG->OTYPER = 0x00000000;
/* No pull-up, pull-down for PGx pins */
/* No pull-up, pull-down for PGx pins */
GPIOG->PUPDR = 0x00000000;
/*-- FMC/FSMC Configuration --------------------------------------------------*/
/* Enable the FMC/FSMC interface clock */
RCC->AHB3ENR |= 0x00000001;
@@ -709,7 +709,7 @@ void SystemInit_ExtMemCtl(void)
FMC_Bank1->BTCR[2] = 0x00001011;
FMC_Bank1->BTCR[3] = 0x00000201;
FMC_Bank1E->BWTR[2] = 0x0fffffff;
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */
#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */
#if defined(STM32F469xx) || defined(STM32F479xx)
/* Delay after an RCC peripheral clock enabling */
tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN);
@@ -730,8 +730,8 @@ void SystemInit_ExtMemCtl(void)
#endif /* DATA_IN_ExtSRAM */
#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx ||\
STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx || STM32F412Zx || STM32F412Vx */
(void)(tmp);
STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx || STM32F412Zx || STM32F412Vx */
(void)(tmp);
}
#endif /* DATA_IN_ExtSRAM && DATA_IN_ExtSDRAM */
/**