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[board] Add support for STM32F401 Discovery
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| /* | ||
| * Copyright (c) 2013, Kevin Läufer | ||
| * Copyright (c) 2015-2018, Niklas Hauser | ||
| * Copyright (c) 2017, Sascha Schade | ||
| * Copyright (c) 2018, Antal Szabó | ||
| * Copyright (c) 2024, Carl Treudler | ||
| * | ||
| * This file is part of the modm project. | ||
| * | ||
| * This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
| */ | ||
| // ---------------------------------------------------------------------------- | ||
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| #ifndef MODM_STM32_F401_DISCOVERY_HPP | ||
| #define MODM_STM32_F401_DISCOVERY_HPP | ||
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| #include <modm/platform.hpp> | ||
| #include <modm/architecture/interface/clock.hpp> | ||
| #include <modm/driver/inertial/lsm303a.hpp> | ||
| #include <modm/driver/inertial/l3gd20.hpp> | ||
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| using namespace modm::platform; | ||
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| namespace Board | ||
| { | ||
| /// @ingroup modm_board_disco_f401vc | ||
| /// @{ | ||
| using namespace modm::literals; | ||
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| /// STM32F401 running at 168MHz generated from the external 8MHz crystal | ||
| struct SystemClock | ||
| { | ||
| static constexpr uint32_t Frequency = 84_MHz; | ||
| static constexpr uint32_t Ahb = Frequency; | ||
| static constexpr uint32_t Apb1 = Frequency / 4; | ||
| static constexpr uint32_t Apb2 = Frequency / 2; | ||
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| static constexpr uint32_t Adc = Apb2; | ||
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| static constexpr uint32_t Spi1 = Apb2; | ||
| static constexpr uint32_t Spi2 = Apb1; | ||
| static constexpr uint32_t Spi3 = Apb1; | ||
| static constexpr uint32_t Spi4 = Apb2; | ||
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| static constexpr uint32_t Usart1 = Apb2; | ||
| static constexpr uint32_t Usart2 = Apb1; | ||
| static constexpr uint32_t Usart6 = Apb1; | ||
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| static constexpr uint32_t I2c1 = Apb1; | ||
| static constexpr uint32_t I2c2 = Apb1; | ||
| static constexpr uint32_t I2c3 = Apb1; | ||
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| static constexpr uint32_t Apb1Timer = Apb1 * 2; | ||
| static constexpr uint32_t Apb2Timer = Apb2 * 2; | ||
| static constexpr uint32_t Timer1 = Apb2Timer; | ||
| static constexpr uint32_t Timer2 = Apb1Timer; | ||
| static constexpr uint32_t Timer3 = Apb1Timer; | ||
| static constexpr uint32_t Timer4 = Apb1Timer; | ||
| static constexpr uint32_t Timer5 = Apb1Timer; | ||
| static constexpr uint32_t Timer6 = Apb1Timer; | ||
| static constexpr uint32_t Timer7 = Apb1Timer; | ||
| static constexpr uint32_t Timer8 = Apb2Timer; | ||
| static constexpr uint32_t Timer9 = Apb2Timer; | ||
| static constexpr uint32_t Timer10 = Apb2Timer; | ||
| static constexpr uint32_t Timer11 = Apb2Timer; | ||
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| static constexpr uint32_t Usb = 48_MHz; | ||
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| static bool inline | ||
| enable() | ||
| { | ||
| Rcc::enableExternalCrystal(); // 8MHz | ||
| const Rcc::PllFactors pllFactors{ | ||
| .pllM = 4, // 8MHz / M=4 -> 2MHz | ||
| .pllN = 168, // 2MHz * N=168 -> 336MHz | ||
| .pllP = 4, // 336MHz / P=4 -> 84MHz = F_cpu | ||
| .pllQ = 7 // 336MHz / Q=7 -> 48MHz = F_usb | ||
| }; | ||
| Rcc::enablePll(Rcc::PllSource::ExternalCrystal, pllFactors); | ||
| // set flash latency for 84MHz | ||
| Rcc::setFlashLatency<Frequency>(); | ||
| // switch system clock to PLL output | ||
| Rcc::enableSystemClock(Rcc::SystemClockSource::Pll); | ||
| Rcc::setAhbPrescaler(Rcc::AhbPrescaler::Div1); | ||
| // APB1 has max. 42MHz | ||
| // APB2 has max. 84MHz | ||
| Rcc::setApb1Prescaler(Rcc::Apb1Prescaler::Div4); | ||
| Rcc::setApb2Prescaler(Rcc::Apb2Prescaler::Div2); | ||
| // update frequencies for busy-wait delay functions | ||
| Rcc::updateCoreFrequency<Frequency>(); | ||
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| return true; | ||
| } | ||
| }; | ||
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| using Button = GpioInputA0; | ||
| using ClockOut = GpioOutputA8; | ||
| using SystemClockOut = GpioOutputC9; | ||
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| using LedOrange = GpioOutputD13; // User LED 3 | ||
| using LedGreen = GpioOutputD12; // User LED 4 | ||
| using LedRed = GpioOutputD14; // User LED 5 | ||
| using LedBlue = GpioOutputD15; // User LED 6 | ||
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| using Leds = SoftwareGpioPort< LedGreen, LedBlue, LedRed, LedOrange >; | ||
| /// @} | ||
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| namespace lsm3 | ||
| { | ||
| /// @ingroup modm_board_disco_f401vc | ||
| /// @{ | ||
| using Drdy = GpioInputE2; // DRDY [LSM303DLHC_DRDY]: GPXTI2 | ||
| using Int1 = GpioInputE4; // MEMS_INT3 [LSM303DLHC_INT1]: GPXTI4 | ||
| using Int2 = GpioInputE5; // MEMS_INT4 [LSM303DLHC_INT2]: GPXTI5 | ||
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| using Scl = GpioB6; // I2C1_SCL [LSM303DLHC_SCL]: I2C1_SCL | ||
| using Sda = GpioB9; // I2C1_SDA [LSM303DLHC_SDA]: I2C1_SDA | ||
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| using I2cMaster = I2cMaster1; | ||
| using Accelerometer = modm::Lsm303a< I2cMaster >; | ||
| /// @} | ||
| } | ||
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| namespace l3g | ||
| { | ||
| /// @ingroup modm_board_disco_f401vc | ||
| /// @{ | ||
| using Int1 = GpioInputE0; // MEMS_INT1 [L3GD20_INT1]: GPXTI0 | ||
| using Int2 = GpioInputE1; // MEMS_INT2 [L3GD20_DRDY/INT2]: GPXTI1 | ||
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| using Cs = GpioOutputE3; // CS_I2C/SPI [L3GD20_CS_I2C/SPI] | ||
| using Sck = GpioOutputA5; // SPI1_SCK [L3GD20_SCL/SPC] | ||
| using Mosi = GpioOutputA7; // SPI1_MOSI [L3GD20_SDA/SDI/SDO] | ||
| using Miso = GpioInputA6; // SPI1_MISO [L3GD20_SA0/SDO] | ||
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| using SpiMaster = SpiMaster1; | ||
| using Transport = modm::Lis3TransportSpi< SpiMaster, Cs >; | ||
| using Gyroscope = modm::L3gd20< Transport >; | ||
| /// @} | ||
| } | ||
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| namespace cs43 | ||
| { | ||
| /// @ingroup modm_board_disco_f401vc | ||
| /// @{ | ||
| using Lrck = GpioOutputA4; // I2S3_WS | ||
| using Mclk = GpioOutputC7; // I2S3_MCK | ||
| using Sclk = GpioOutputC10; // I2S3_SCK | ||
| using Sdin = GpioOutputC12; // I2S3_SD | ||
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| using Reset = GpioOutputD4; // Audio_RST | ||
| using Scl = GpioB6; // Audio_SCL | ||
| using Sda = GpioB9; // Audio_SDA | ||
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| using I2cMaster = I2cMaster1; | ||
| //using I2sMaster = I2sMaster3; | ||
| /// @} | ||
| } | ||
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| namespace mp45 | ||
| { | ||
| /// @ingroup modm_board_disco_f401vc | ||
| /// @{ | ||
| using Clk = GpioOutputB10; // CLK_IN: I2S2_CK | ||
| using Dout = GpioInputC3; // PDM_OUT: I2S2_SD | ||
| //using I2sMaster = I2sMaster2; | ||
| /// @} | ||
| } | ||
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| namespace usb | ||
| { | ||
| /// @ingroup modm_board_disco_f401vc | ||
| /// @{ | ||
| using Vbus = GpioInputA9; // VBUS_FS: USB_OTG_HS_VBUS | ||
| using Id = GpioA10; // OTG_FS_ID: USB_OTG_FS_ID | ||
| using Dm = GpioA11; // OTG_FS_DM: USB_OTG_FS_DM | ||
| using Dp = GpioA12; // OTG_FS_DP: USB_OTG_FS_DP | ||
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| using Overcurrent = GpioInputD5; // OTG_FS_OverCurrent | ||
| using Power = GpioOutputC0; // OTG_FS_PowerSwitchOn | ||
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| using Device = UsbFs; | ||
| /// @} | ||
| } | ||
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| /// @ingroup modm_board_disco_f401vc | ||
| /// @{ | ||
| inline void | ||
| initialize() | ||
| { | ||
| SystemClock::enable(); | ||
| SysTickTimer::initialize<SystemClock>(); | ||
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| Leds::setOutput(modm::Gpio::Low); | ||
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| Button::setInput(); | ||
| } | ||
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| inline void | ||
| initializeLsm3() | ||
| { | ||
| lsm3::Int1::setInput(); | ||
| lsm3::Int2::setInput(); | ||
| lsm3::Drdy::setInput(); | ||
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| lsm3::I2cMaster::connect<lsm3::Scl::Scl, lsm3::Sda::Sda>(); | ||
| lsm3::I2cMaster::initialize<SystemClock, 400_kHz>(); | ||
| } | ||
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| /// not supported yet, due to missing I2S driver | ||
| inline void | ||
| initializeCs43() | ||
| { | ||
| // cs43::Lrck::connect(cs43::I2sMaster::Ws); | ||
| // cs43::Mclk::connect(cs43::I2sMaster::Mck); | ||
| // cs43::Sclk::connect(cs43::I2sMaster::Ck); | ||
| // cs43::Sdin::connect(cs43::I2sMaster::Sd); | ||
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| cs43::Reset::setOutput(modm::Gpio::High); | ||
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| cs43::I2cMaster::connect<cs43::Scl::Scl, cs43::Sda::Sda>(); | ||
| cs43::I2cMaster::initialize<SystemClock, 100_kHz>(); | ||
| } | ||
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| inline void | ||
| initializeL3g() | ||
| { | ||
| l3g::Int1::setInput(); | ||
| l3g::Int2::setInput(); | ||
| l3g::Cs::setOutput(modm::Gpio::High); | ||
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| l3g::SpiMaster::connect<l3g::Sck::Sck, l3g::Mosi::Mosi, l3g::Miso::Miso>(); | ||
| l3g::SpiMaster::initialize<SystemClock, 10_MHz>(); | ||
| l3g::SpiMaster::setDataMode(l3g::SpiMaster::DataMode::Mode3); | ||
| } | ||
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| /// not supported yet, due to missing I2S driver | ||
| inline void | ||
| initializeMp45() | ||
| { | ||
| // mp45::Clk::connect(mp45::I2sMaster::Ck); | ||
| // mp45::Dout::connect(mp45::I2sMaster::Sd); | ||
| } | ||
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| inline void | ||
| initializeUsbFs(uint8_t priority=3) | ||
| { | ||
| usb::Device::initialize<SystemClock>(priority); | ||
| usb::Device::connect<usb::Dm::Dm, usb::Dp::Dp, usb::Id::Id>(); | ||
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| usb::Overcurrent::setInput(); | ||
| usb::Vbus::setInput(); | ||
| // Enable VBUS sense (B device) via pin PA9 | ||
| USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_NOVBUSSENS; | ||
| USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBUSBSEN; | ||
| } | ||
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| /// @} | ||
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| } | ||
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| #endif // MODM_STM32_F401_DISCOVERY_HPP |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| <library> | ||
| <repositories> | ||
| <repository> | ||
| <path>../../../../repo.lb</path> | ||
| </repository> | ||
| </repositories> | ||
| <options> | ||
| <option name="modm:target">stm32f401vct6</option> | ||
| </options> | ||
| <modules> | ||
| <module>modm:board:disco-f401vc</module> | ||
| </modules> | ||
| </library> |
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