diff options
| -rw-r--r-- | ports/stm/peripherals/stm32f4/periph.h | 40 | ||||
| -rw-r--r-- | ports/stm/peripherals/stm32f4/pins.h | 10 | ||||
| -rw-r--r-- | ports/stm/peripherals/stm32f4/stm32f412zx/gpio.c | 3 | ||||
| -rw-r--r-- | ports/stm/supervisor/usb.c | 8 | ||||
| -rw-r--r-- | ports/stm/system_stm32f4xx.c | 304 |
5 files changed, 182 insertions, 183 deletions
diff --git a/ports/stm/peripherals/stm32f4/periph.h b/ports/stm/peripherals/stm32f4/periph.h index 663df4bed..1dfa7ac45 100644 --- a/ports/stm/peripherals/stm32f4/periph.h +++ b/ports/stm/peripherals/stm32f4/periph.h @@ -33,9 +33,9 @@ #include "stm32f4xx_hal.h" #include "stm32f4/pins.h" -// I2C +// I2C // TODO: these objects should be condensed into a single 'periph_pin' unless we -// find a compelling reason to store more unique data in them. +// find a compelling reason to store more unique data in them. typedef struct { uint8_t i2c_index:4; // Index of the I2C unit (1 to 3) @@ -44,8 +44,8 @@ typedef struct { } mcu_i2c_sda_obj_t; typedef struct { - uint8_t i2c_index:4; - uint8_t altfn_index:4; + uint8_t i2c_index:4; + uint8_t altfn_index:4; const mcu_pin_obj_t * pin; } mcu_i2c_scl_obj_t; @@ -64,9 +64,9 @@ typedef struct { .pin = scl_pin, \ } -// SPI +// SPI // TODO: these objects should be condensed into a single 'periph_pin' unless we -// find a compelling reason to store more unique data in them. +// find a compelling reason to store more unique data in them. typedef struct { uint8_t spi_index:4; //Up to 6 SPI units @@ -75,20 +75,20 @@ typedef struct { } mcu_spi_sck_obj_t; typedef struct { - uint8_t spi_index:4; - uint8_t altfn_index:4; + uint8_t spi_index:4; + uint8_t altfn_index:4; const mcu_pin_obj_t * pin; } mcu_spi_mosi_obj_t; typedef struct { - uint8_t spi_index:4; - uint8_t altfn_index:4; + uint8_t spi_index:4; + uint8_t altfn_index:4; const mcu_pin_obj_t * pin; } mcu_spi_miso_obj_t; typedef struct { - uint8_t spi_index:4; - uint8_t altfn_index:4; + uint8_t spi_index:4; + uint8_t altfn_index:4; const mcu_pin_obj_t * pin; } mcu_spi_nss_obj_t; @@ -101,17 +101,17 @@ typedef struct { // UART // TODO: these objects should be condensed into a single 'periph_pin' unless we -// find a compelling reason to store more unique data in them. +// find a compelling reason to store more unique data in them. typedef struct { - uint8_t uart_index:4; - uint8_t altfn_index:4; + uint8_t uart_index:4; + uint8_t altfn_index:4; const mcu_pin_obj_t * pin; } mcu_uart_tx_obj_t; typedef struct { - uint8_t uart_index:4; - uint8_t altfn_index:4; + uint8_t uart_index:4; + uint8_t altfn_index:4; const mcu_pin_obj_t * pin; } mcu_uart_rx_obj_t; @@ -124,8 +124,8 @@ typedef struct { //Timers typedef struct { - uint8_t tim_index:4; - uint8_t altfn_index:4; + uint8_t tim_index:4; + uint8_t altfn_index:4; uint8_t channel_index:4; const mcu_pin_obj_t * pin; } mcu_tim_pin_obj_t; @@ -184,4 +184,4 @@ typedef struct { #include "stm32f407xx/periph.h" #endif -#endif // __MICROPY_INCLUDED_STM32F4_PERIPHERALS_PERIPH_H__ +#endif // __MICROPY_INCLUDED_STM32F4_PERIPHERALS_PERIPH_H__
\ No newline at end of file diff --git a/ports/stm/peripherals/stm32f4/pins.h b/ports/stm/peripherals/stm32f4/pins.h index 7e8baf89d..ce2980969 100644 --- a/ports/stm/peripherals/stm32f4/pins.h +++ b/ports/stm/peripherals/stm32f4/pins.h @@ -40,7 +40,7 @@ typedef struct { mp_obj_base_t base; uint8_t port:4; uint8_t number:4; - uint8_t adc_unit:3; + uint8_t adc_unit:3; uint8_t adc_channel:5; } mcu_pin_obj_t; @@ -51,8 +51,8 @@ typedef struct { #define ADC_3 4 //STM32 ADC pins can have a combination of 1, 2 or all 3 ADCs on a single pin, -//but all 3 ADCs will share the same input number per pin. -//F4 family has 3 ADC max, 24 channels max. +//but all 3 ADCs will share the same input number per pin. +//F4 family has 3 ADC max, 24 channels max. #define ADC_INPUT(mask, number) \ .adc_unit = mask, \ .adc_channel = number, @@ -64,7 +64,7 @@ typedef struct { extern const mp_obj_type_t mcu_pin_type; // STM32 can have up to 9 ports, each restricted to 16 pins -// We split the pin/port evenly, in contrast to nrf. +// We split the pin/port evenly, in contrast to nrf. #define PIN(p_port, p_number, p_adc) \ { \ { &mcu_pin_type }, \ @@ -96,4 +96,4 @@ extern const mp_obj_type_t mcu_pin_type; #include "stm32f407xx/pins.h" #endif -#endif // __MICROPY_INCLUDED_STM32F4_PERIPHERALS_PINS_H__ +#endif // __MICROPY_INCLUDED_STM32F4_PERIPHERALS_PINS_H__
\ No newline at end of file diff --git a/ports/stm/peripherals/stm32f4/stm32f412zx/gpio.c b/ports/stm/peripherals/stm32f4/stm32f412zx/gpio.c index fde10be3c..68a75f463 100644 --- a/ports/stm/peripherals/stm32f4/stm32f412zx/gpio.c +++ b/ports/stm/peripherals/stm32f4/stm32f412zx/gpio.c @@ -220,7 +220,7 @@ void stm32f4_peripherals_gpio_init(void) { //never_reset_pin_number(1,4); //PB4 JTRST // Port H is not included in GPIO port array - // never_reset_pin_number(5,0); //PH0 JTDO + // never_reset_pin_number(5,0); //PH0 JTDO // never_reset_pin_number(5,1); //PH1 JTRST } @@ -240,4 +240,3 @@ void stm32f4_peripherals_status_led(uint8_t led, uint8_t state) { } } - diff --git a/ports/stm/supervisor/usb.c b/ports/stm/supervisor/usb.c index 86a51d750..b2c417b11 100644 --- a/ports/stm/supervisor/usb.c +++ b/ports/stm/supervisor/usb.c @@ -59,13 +59,13 @@ STATIC void init_usb_vbus_sense(void) { } void init_usb_hardware(void) { - //TODO: if future chips overload this with options, move to peripherals management. + //TODO: if future chips overload this with options, move to peripherals management. GPIO_InitTypeDef GPIO_InitStruct = {0}; /**USB_OTG_FS GPIO Configuration PA10 ------> USB_OTG_FS_ID PA11 ------> USB_OTG_FS_DM - PA12 ------> USB_OTG_FS_DP + PA12 ------> USB_OTG_FS_DP */ __HAL_RCC_GPIOA_CLK_ENABLE(); @@ -105,10 +105,10 @@ void init_usb_hardware(void) { HAL_GPIO_Init(GPIOG, &GPIO_InitStruct); never_reset_pin_number(0, 8); #endif - + /* Peripheral clock enable */ __HAL_RCC_USB_OTG_FS_CLK_DISABLE(); __HAL_RCC_USB_OTG_FS_CLK_ENABLE(); init_usb_vbus_sense(); -} +}
\ No newline at end of file diff --git a/ports/stm/system_stm32f4xx.c b/ports/stm/system_stm32f4xx.c index dd9ab1acd..23a133647 100644 --- a/ports/stm/system_stm32f4xx.c +++ b/ports/stm/system_stm32f4xx.c @@ -1,6 +1,6 @@ /* * Taken from ST Cube library and modified. See below for original header. - * + * * Modifications copyright (c) 2019 Lucian Copeland for Adafruit Industries * * Permission is hereby granted, free of charge, to any person obtaining a copy @@ -28,16 +28,16 @@ * @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. @@ -79,8 +79,8 @@ /** @addtogroup stm32f4xx_system * @{ - */ - + */ + /** @addtogroup STM32F4xx_System_Private_Includes * @{ */ @@ -89,7 +89,7 @@ #include "stm32f4xx.h" #include "py/mpconfig.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 */ @@ -121,8 +121,8 @@ || defined(STM32F412Cx) /* #define DATA_IN_ExtSRAM */ #endif /* STM32F40xxx || STM32F41xxx || STM32F42xxx || STM32F43xxx || STM32F469xx || STM32F479xx ||\ - STM32F412Zx || STM32F412Vx || STM32F412Zx*/ - + STM32F412Zx || STM32F412Vx || STM32F412Cx */ + #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\ || defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) /* #define DATA_IN_ExtSDRAM */ @@ -132,7 +132,7 @@ /*!< Uncomment the following line if you need to relocate your vector Table in Internal SRAM. */ /* #define VECT_TAB_SRAM */ -#define VECT_TAB_OFFSET 0x00 /*!< Vector Table base offset field. +#define VECT_TAB_OFFSET 0x00 /*!< Vector Table base offset field. This value must be a multiple of 0x200. */ /******************************************************************************/ @@ -154,7 +154,7 @@ /* 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. @@ -171,7 +171,7 @@ 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 */ /** @@ -184,7 +184,7 @@ 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 @@ -215,7 +215,7 @@ void SystemInit(void) RCC->CIR = 0x00000000; #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 add offset address ------------------*/ @@ -233,41 +233,41 @@ 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; @@ -283,10 +283,10 @@ 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 */ @@ -335,79 +335,79 @@ 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; @@ -415,50 +415,50 @@ 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; 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; 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; 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) @@ -466,7 +466,7 @@ 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; @@ -474,7 +474,7 @@ 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) @@ -500,13 +500,13 @@ 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; @@ -536,78 +536,78 @@ 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; @@ -617,65 +617,65 @@ 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; 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 */ 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 */ 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 */ @@ -691,55 +691,55 @@ 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; @@ -751,7 +751,7 @@ 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); @@ -768,12 +768,12 @@ void SystemInit_ExtMemCtl(void) FSMC_Bank1->BTCR[2] = 0x00001011; FSMC_Bank1->BTCR[3] = 0x00000201; FSMC_Bank1E->BWTR[2] = 0x0FFFFFFF; -#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F412Zx || STM32F412Vx */ +#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F412Zx || STM32F412Vx || defined(STM32F412Cx) */ #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 || defined(STM32F412Cx) */ + (void)(tmp); } #endif /* DATA_IN_ExtSRAM && DATA_IN_ExtSDRAM */ /** @@ -787,4 +787,4 @@ void SystemInit_ExtMemCtl(void) /** * @} */ -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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