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| 1 | +/* |
| 2 | + * The MIT License (MIT) |
| 3 | + * |
| 4 | + * Copyright (c) 2021, Ha Thach (tinyusb.org) |
| 5 | + * |
| 6 | + * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | + * of this software and associated documentation files (the "Software"), to deal |
| 8 | + * in the Software without restriction, including without limitation the rights |
| 9 | + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | + * copies of the Software, and to permit persons to whom the Software is |
| 11 | + * furnished to do so, subject to the following conditions: |
| 12 | + * |
| 13 | + * The above copyright notice and this permission notice shall be included in |
| 14 | + * all copies or substantial portions of the Software. |
| 15 | + * |
| 16 | + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | + * THE SOFTWARE. |
| 23 | + * |
| 24 | + * This file is part of the TinyUSB stack. |
| 25 | + */ |
| 26 | + |
| 27 | +#ifndef BOARD_H_ |
| 28 | +#define BOARD_H_ |
| 29 | + |
| 30 | +#ifdef __cplusplus |
| 31 | + extern "C" { |
| 32 | +#endif |
| 33 | + |
| 34 | +#define LED_PORT GPIOC |
| 35 | +#define LED_PIN GPIO_PIN_7 |
| 36 | +#define LED_STATE_ON 1 |
| 37 | + |
| 38 | +// Blue push-button |
| 39 | +#define BUTTON_PORT GPIOC |
| 40 | +#define BUTTON_PIN GPIO_PIN_13 |
| 41 | +#define BUTTON_STATE_ACTIVE 1 |
| 42 | + |
| 43 | +// UART |
| 44 | +#define UART_DEV USART3 |
| 45 | +#define UART_CLK_EN __HAL_RCC_USART3_CLK_ENABLE |
| 46 | +#define UART_GPIO_PORT GPIOB |
| 47 | +#define UART_GPIO_AF GPIO_AF7_USART3 |
| 48 | +#define UART_TX_PIN GPIO_PIN_10 |
| 49 | +#define UART_RX_PIN GPIO_PIN_11 |
| 50 | + |
| 51 | +// VBUS Sense detection |
| 52 | +#define OTG_FS_VBUS_SENSE 1 |
| 53 | +#define OTG_HS_VBUS_SENSE 0 |
| 54 | + |
| 55 | +//--------------------------------------------------------------------+ |
| 56 | +// RCC Clock |
| 57 | +//--------------------------------------------------------------------+ |
| 58 | +static inline void board_stm32h7_clock_init(void) |
| 59 | +{ |
| 60 | + RCC_ClkInitTypeDef RCC_ClkInitStruct; |
| 61 | + RCC_OscInitTypeDef RCC_OscInitStruct; |
| 62 | + RCC_PeriphCLKInitTypeDef PeriphClkInitStruct; |
| 63 | + |
| 64 | + /*!< Supply configuration update enable */ |
| 65 | + /* For STM32H750XB, use "HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);" */ |
| 66 | +// HAL_PWREx_ConfigSupply(PWR_DIRECT_SMPS_SUPPLY); |
| 67 | + HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY); |
| 68 | + |
| 69 | + /* The voltage scaling allows optimizing the power consumption when the |
| 70 | + device is clocked below the maximum system frequency, to update the |
| 71 | + voltage scaling value regarding system frequency refer to product |
| 72 | + datasheet. */ |
| 73 | + __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1); |
| 74 | + |
| 75 | + while ((PWR->D3CR & (PWR_D3CR_VOSRDY)) != PWR_D3CR_VOSRDY) {} |
| 76 | + |
| 77 | + /* Enable HSE Oscillator and activate PLL with HSE as source */ |
| 78 | + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; |
| 79 | + RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS; |
| 80 | + RCC_OscInitStruct.HSIState = RCC_HSI_OFF; |
| 81 | + RCC_OscInitStruct.CSIState = RCC_CSI_OFF; |
| 82 | + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; |
| 83 | + RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; |
| 84 | + |
| 85 | + /* PLL1 for System Clock */ |
| 86 | + RCC_OscInitStruct.PLL.PLLM = 5; |
| 87 | + RCC_OscInitStruct.PLL.PLLN = 160; |
| 88 | + RCC_OscInitStruct.PLL.PLLFRACN = 0; |
| 89 | + RCC_OscInitStruct.PLL.PLLP = 2; |
| 90 | + RCC_OscInitStruct.PLL.PLLR = 2; |
| 91 | + RCC_OscInitStruct.PLL.PLLQ = 4; |
| 92 | + |
| 93 | + RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOMEDIUM; |
| 94 | + RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2; |
| 95 | + HAL_RCC_OscConfig(&RCC_OscInitStruct); |
| 96 | + |
| 97 | + /* PLL3 for USB Clock */ |
| 98 | + PeriphClkInitStruct.PLL3.PLL3M = 25; |
| 99 | + PeriphClkInitStruct.PLL3.PLL3N = 336; |
| 100 | + PeriphClkInitStruct.PLL3.PLL3FRACN = 0; |
| 101 | + PeriphClkInitStruct.PLL3.PLL3P = 2; |
| 102 | + PeriphClkInitStruct.PLL3.PLL3R = 2; |
| 103 | + PeriphClkInitStruct.PLL3.PLL3Q = 7; |
| 104 | + |
| 105 | + PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USB; |
| 106 | + PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_PLL3; |
| 107 | + HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct); |
| 108 | + |
| 109 | + /* Select PLL as system clock source and configure bus clocks dividers */ |
| 110 | + RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_D1PCLK1 | RCC_CLOCKTYPE_PCLK1 | \ |
| 111 | + RCC_CLOCKTYPE_PCLK2 | RCC_CLOCKTYPE_D3PCLK1); |
| 112 | + |
| 113 | + RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; |
| 114 | + RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1; |
| 115 | + RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2; |
| 116 | + RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2; |
| 117 | + RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2; |
| 118 | + RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV1; |
| 119 | + HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4); |
| 120 | + |
| 121 | + /*activate CSI clock mondatory for I/O Compensation Cell*/ |
| 122 | + __HAL_RCC_CSI_ENABLE() ; |
| 123 | + |
| 124 | + /* Enable SYSCFG clock mondatory for I/O Compensation Cell */ |
| 125 | + __HAL_RCC_SYSCFG_CLK_ENABLE() ; |
| 126 | + |
| 127 | + /* Enables the I/O Compensation Cell */ |
| 128 | + HAL_EnableCompensationCell(); |
| 129 | +} |
| 130 | + |
| 131 | +static inline void board_stm32h7_post_init(void) |
| 132 | +{ |
| 133 | + // For this board does nothing |
| 134 | +} |
| 135 | + |
| 136 | +#ifdef __cplusplus |
| 137 | + } |
| 138 | +#endif |
| 139 | + |
| 140 | +#endif |
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