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| 1 | +/* |
| 2 | + * Copyright (c) 2019, Niklas Hauser |
| 3 | + * Copyright (c) 2023, Christopher Durand |
| 4 | + * |
| 5 | + * This file is part of the modm project. |
| 6 | + * |
| 7 | + * This Source Code Form is subject to the terms of the Mozilla Public |
| 8 | + * License, v. 2.0. If a copy of the MPL was not distributed with this |
| 9 | + * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| 10 | + */ |
| 11 | + |
| 12 | +#ifndef MODM_STM32_NUCLEO_G070RB_HPP |
| 13 | +#define MODM_STM32_NUCLEO_G070RB_HPP |
| 14 | + |
| 15 | +#include <modm/platform.hpp> |
| 16 | +#include <modm/architecture/interface/clock.hpp> |
| 17 | +#include <modm/debug/logger.hpp> |
| 18 | +/// @ingroup modm_board_nucleo_g070rb |
| 19 | +#define MODM_BOARD_HAS_LOGGER |
| 20 | + |
| 21 | +using namespace modm::platform; |
| 22 | + |
| 23 | +namespace Board |
| 24 | +{ |
| 25 | +/// @ingroup modm_board_nucleo_g070rb |
| 26 | +/// @{ |
| 27 | +using namespace modm::literals; |
| 28 | + |
| 29 | +/// STM32G070RB running at 64MHz generated from the internal 16MHz oscillator |
| 30 | +struct SystemClock |
| 31 | +{ |
| 32 | + static constexpr uint32_t Frequency = 64_MHz; |
| 33 | + static constexpr uint32_t Ahb = Frequency; |
| 34 | + static constexpr uint32_t Apb = Frequency; |
| 35 | + |
| 36 | + static constexpr uint32_t Rng = Ahb; |
| 37 | + static constexpr uint32_t Crc = Ahb; |
| 38 | + static constexpr uint32_t Flash = Ahb; |
| 39 | + static constexpr uint32_t Exti = Ahb; |
| 40 | + static constexpr uint32_t Rcc = Ahb; |
| 41 | + static constexpr uint32_t Dmamux = Ahb; |
| 42 | + static constexpr uint32_t Dma = Ahb; |
| 43 | + |
| 44 | + static constexpr uint32_t Dbg = Apb; |
| 45 | + static constexpr uint32_t Timer17 = Apb; |
| 46 | + static constexpr uint32_t Timer16 = Apb; |
| 47 | + static constexpr uint32_t Timer15 = Apb; |
| 48 | + static constexpr uint32_t Usart1 = Apb; |
| 49 | + static constexpr uint32_t Spi1 = Apb; |
| 50 | + static constexpr uint32_t I2s1 = Apb; |
| 51 | + static constexpr uint32_t Timer1 = Apb; |
| 52 | + static constexpr uint32_t Adc1 = Apb; |
| 53 | + static constexpr uint32_t ItLine = Apb; |
| 54 | + static constexpr uint32_t SysCfg = Apb; |
| 55 | + static constexpr uint32_t Tamp = Apb; |
| 56 | + static constexpr uint32_t Bkp = Apb; |
| 57 | + static constexpr uint32_t Ucpd2 = Apb; |
| 58 | + static constexpr uint32_t Ucpd1 = Apb; |
| 59 | + static constexpr uint32_t Dac = Apb; |
| 60 | + static constexpr uint32_t Pwr = Apb; |
| 61 | + static constexpr uint32_t I2c2 = Apb; |
| 62 | + static constexpr uint32_t I2c1 = Apb; |
| 63 | + static constexpr uint32_t Usart4 = Apb; |
| 64 | + static constexpr uint32_t Usart3 = Apb; |
| 65 | + static constexpr uint32_t Usart2 = Apb; |
| 66 | + static constexpr uint32_t Spi2 = Apb; |
| 67 | + static constexpr uint32_t Iwdg = Apb; |
| 68 | + static constexpr uint32_t Wwdg = Apb; |
| 69 | + static constexpr uint32_t Rtc = Apb; |
| 70 | + static constexpr uint32_t Timer14 = Apb; |
| 71 | + static constexpr uint32_t Timer7 = Apb; |
| 72 | + static constexpr uint32_t Timer6 = Apb; |
| 73 | + static constexpr uint32_t Timer3 = Apb; |
| 74 | + |
| 75 | + static bool inline |
| 76 | + enable() |
| 77 | + { |
| 78 | + Rcc::enableInternalClock(); // 16MHz |
| 79 | + // (internal clock / 1_M) * 8_N / 2_R = 128MHz / 2 = 64MHz |
| 80 | + const Rcc::PllFactors pllFactors{ |
| 81 | + .pllM = 1, |
| 82 | + .pllN = 8, |
| 83 | + .pllR = 2, |
| 84 | + }; |
| 85 | + Rcc::enablePll(Rcc::PllSource::InternalClock, pllFactors); |
| 86 | + Rcc::setFlashLatency<Frequency>(); |
| 87 | + // switch system clock to PLL output |
| 88 | + Rcc::enableSystemClock(Rcc::SystemClockSource::Pll); |
| 89 | + Rcc::setAhbPrescaler(Rcc::AhbPrescaler::Div1); |
| 90 | + Rcc::setApbPrescaler(Rcc::ApbPrescaler::Div1); |
| 91 | + // update frequencies for busy-wait delay functions |
| 92 | + Rcc::updateCoreFrequency<Frequency>(); |
| 93 | + |
| 94 | + return true; |
| 95 | + } |
| 96 | +}; |
| 97 | + |
| 98 | +// Arduino Footprint |
| 99 | +using A0 = GpioA0; |
| 100 | +using A1 = GpioA1; |
| 101 | +using A2 = GpioA4; |
| 102 | +using A3 = GpioB1; |
| 103 | +using A4 = GpioB11; |
| 104 | +using A5 = GpioB12; |
| 105 | + |
| 106 | +using D0 = GpioC5; |
| 107 | +using D1 = GpioC4; |
| 108 | +using D2 = GpioA10; |
| 109 | +using D3 = GpioB3; |
| 110 | +using D4 = GpioB5; |
| 111 | +using D5 = GpioB4; |
| 112 | +using D6 = GpioB14; |
| 113 | +using D7 = GpioA8; |
| 114 | +using D8 = GpioA9; |
| 115 | +using D9 = GpioC7; |
| 116 | +using D10 = GpioB0; |
| 117 | +using D11 = GpioA7; |
| 118 | +using D12 = GpioA6; |
| 119 | +using D13 = GpioA5; |
| 120 | +using D14 = GpioB9; |
| 121 | +using D15 = GpioB8; |
| 122 | + |
| 123 | +using Button = GpioInverted<GpioInputC13>; |
| 124 | +using LedD13 = D13; |
| 125 | + |
| 126 | +using Leds = SoftwareGpioPort< LedD13 >; |
| 127 | +/// @} |
| 128 | + |
| 129 | +namespace stlink |
| 130 | +{ |
| 131 | +/// @ingroup modm_board_nucleo_g070rb |
| 132 | +/// @{ |
| 133 | +using Rx = GpioInputA3; |
| 134 | +using Tx = GpioOutputA2; |
| 135 | +using Uart = Usart2; |
| 136 | +/// @} |
| 137 | +} |
| 138 | + |
| 139 | +/// @ingroup modm_board_nucleo_g070rb |
| 140 | +/// @{ |
| 141 | +using LoggerDevice = modm::IODeviceWrapper< stlink::Uart, modm::IOBuffer::BlockIfFull >; |
| 142 | + |
| 143 | +inline void |
| 144 | +initialize() |
| 145 | +{ |
| 146 | + SystemClock::enable(); |
| 147 | + SysTickTimer::initialize<SystemClock>(); |
| 148 | + |
| 149 | + stlink::Uart::connect<stlink::Tx::Tx, stlink::Rx::Rx>(); |
| 150 | + stlink::Uart::initialize<SystemClock, 115200_Bd>(); |
| 151 | + |
| 152 | + Button::setInput(); |
| 153 | +} |
| 154 | +/// @} |
| 155 | + |
| 156 | +} |
| 157 | + |
| 158 | +#endif // MODM_STM32_NUCLEO_G070RB_HPP |
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