263 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			263 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * The MIT License (MIT)
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|  *
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|  * Copyright (c) 2021, Ha Thach (tinyusb.org)
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining a copy
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|  * of this software and associated documentation files (the "Software"), to deal
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|  * in the Software without restriction, including without limitation the rights
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|  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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|  * copies of the Software, and to permit persons to whom the Software is
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|  * furnished to do so, subject to the following conditions:
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|  *
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|  * The above copyright notice and this permission notice shall be included in
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|  * all copies or substantial portions of the Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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|  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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|  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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|  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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|  * THE SOFTWARE.
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|  *
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|  * This file is part of the TinyUSB stack.
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|  */
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| 
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| /* metadata:
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|    name: STM32 H743 Eval
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|    url: https://www.st.com/en/evaluation-tools/stm32h743i-eval.html
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| */
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| 
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| #ifndef BOARD_H_
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| #define BOARD_H_
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| 
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| #ifdef __cplusplus
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|  extern "C" {
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| #endif
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| 
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| #include "mfxstm32l152.h"
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| 
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| // Need to change jumper setting J7 and J8 from RS-232 to STLink
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| #define UART_DEV              USART1
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| #define UART_CLK_EN           __HAL_RCC_USART1_CLK_ENABLE
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| 
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| // VBUS Sense detection
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| #define OTG_FS_VBUS_SENSE     1
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| #define OTG_HS_VBUS_SENSE     0
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| 
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| // USB HS External PHY Pin: CLK, STP, DIR, NXT, D0-D7
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| #define ULPI_PINS \
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|   {GPIOA, GPIO_PIN_3 }, {GPIOA, GPIO_PIN_5 }, {GPIOB, GPIO_PIN_0 }, {GPIOB, GPIO_PIN_1 }, \
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|   {GPIOB, GPIO_PIN_5 }, {GPIOB, GPIO_PIN_10}, {GPIOB, GPIO_PIN_11}, {GPIOB, GPIO_PIN_12}, \
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|   {GPIOB, GPIO_PIN_13}, {GPIOC, GPIO_PIN_0 }, {GPIOH, GPIO_PIN_4 }, {GPIOI, GPIO_PIN_11}
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| 
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| #define PINID_LED      0
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| #define PINID_BUTTON   1
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| #define PINID_UART_TX  2
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| #define PINID_UART_RX  3
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| 
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| static board_pindef_t board_pindef[] = {
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|   { // LED
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|     .port = GPIOA,
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|     .pin_init = { .Pin = GPIO_PIN_4, .Mode = GPIO_MODE_OUTPUT_PP, .Pull = GPIO_PULLDOWN, .Speed = GPIO_SPEED_HIGH, .Alternate = 0 },
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|     .active_state = 1
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|   },
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|   { // Button
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|     .port = GPIOC,
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|     .pin_init = { .Pin = GPIO_PIN_13, .Mode = GPIO_MODE_INPUT, .Pull = GPIO_PULLUP, .Speed = GPIO_SPEED_HIGH, .Alternate = 0 },
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|     .active_state = 0
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|   },
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|   { // UART TX
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|     .port = GPIOB,
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|     .pin_init = { .Pin = GPIO_PIN_14, .Mode = GPIO_MODE_AF_PP, .Pull = GPIO_PULLUP, .Speed = GPIO_SPEED_HIGH, .Alternate = GPIO_AF4_USART1 },
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|     .active_state = 0
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|   },
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|   { // UART RX
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|     .port = GPIOB,
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|     .pin_init = { .Pin = GPIO_PIN_15, .Mode = GPIO_MODE_AF_PP, .Pull = GPIO_PULLUP, .Speed = GPIO_SPEED_HIGH, .Alternate = GPIO_AF4_USART1 },
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|     .active_state = 0
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|   },
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|   { // I2C SCL for MFX VBUS
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|     .port = GPIOB,
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|     .pin_init = { .Pin = GPIO_PIN_6, .Mode = GPIO_MODE_AF_OD, .Pull = GPIO_NOPULL, .Speed = GPIO_SPEED_HIGH, .Alternate = GPIO_AF4_I2C1 },
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|     .active_state = 0
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|   },
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|   { // I2C SDA for MFX VBUS
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|     .port = GPIOB,
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|     .pin_init = { .Pin = GPIO_PIN_7, .Mode = GPIO_MODE_AF_OD, .Pull = GPIO_NOPULL, .Speed = GPIO_SPEED_HIGH, .Alternate = GPIO_AF4_I2C1 },
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|     .active_state = 1
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|   },
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| };
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| 
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| //--------------------------------------------------------------------+
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| // RCC Clock
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| //--------------------------------------------------------------------+
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| static inline void SystemClock_Config(void) {
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|   RCC_ClkInitTypeDef RCC_ClkInitStruct = { 0 };
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|   RCC_OscInitTypeDef RCC_OscInitStruct = { 0 };
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|   RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = { 0 };
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| 
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|   /*!< Supply configuration update enable */
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|   HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
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| 
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|   /* The voltage scaling allows optimizing the power consumption when the device is
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|      clocked below the maximum system frequency, to update the voltage scaling value
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|      regarding system frequency refer to product datasheet.  */
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|   __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
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| 
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|   while ( (PWR->D3CR & (PWR_D3CR_VOSRDY)) != PWR_D3CR_VOSRDY ) {}
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| 
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|   /* Enable HSE Oscillator and activate PLL with HSE as source */
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|   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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|   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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|   RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
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|   RCC_OscInitStruct.CSIState = RCC_CSI_OFF;
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|   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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|   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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| 
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|   // PLL1 for System Clock (400Mhz)
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|   // From H743 eval manual ETM can only work at 50 MHz clock by default because ETM signals
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|   // are shared with other peripherals. Trace CLK = PLL1R.
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|   RCC_OscInitStruct.PLL.PLLM = 5;
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|   RCC_OscInitStruct.PLL.PLLN = 160;
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|   RCC_OscInitStruct.PLL.PLLP = 2;
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|   RCC_OscInitStruct.PLL.PLLQ = 4;
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|   RCC_OscInitStruct.PLL.PLLR = 6; // Trace clock is 400/6 = 66.67 MHz (larger than 50 MHz but work well)
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|   RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOMEDIUM;
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|   RCC_OscInitStruct.PLL.PLLFRACN = 0;
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|   RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
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|   HAL_RCC_OscConfig(&RCC_OscInitStruct);
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| 
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| 
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|   /* Select PLL as system clock source and configure bus clocks dividers */
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|   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 |
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|                                 RCC_CLOCKTYPE_PCLK2 | RCC_CLOCKTYPE_D1PCLK1 | RCC_CLOCKTYPE_D3PCLK1;
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| 
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|   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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|   RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
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|   RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
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|   RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
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|   RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
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|   RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
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|   HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);
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| 
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|   /* PLL3 for USB Clock */
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|   PeriphClkInitStruct.PLL3.PLL3M = 25;
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|   PeriphClkInitStruct.PLL3.PLL3N = 336;
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|   PeriphClkInitStruct.PLL3.PLL3FRACN = 0;
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|   PeriphClkInitStruct.PLL3.PLL3P = 2;
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|   PeriphClkInitStruct.PLL3.PLL3Q = 7;
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|   PeriphClkInitStruct.PLL3.PLL3R = 2;
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| 
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|   PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USB;
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|   PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_PLL3;
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|   HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
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| 
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|   /*activate CSI clock mondatory for I/O Compensation Cell*/
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|   __HAL_RCC_CSI_ENABLE();
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| 
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|   /* Enable SYSCFG clock mondatory for I/O Compensation Cell */
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|   __HAL_RCC_SYSCFG_CLK_ENABLE();
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| 
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|   /* Enables the I/O Compensation Cell */
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|   HAL_EnableCompensationCell();
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| }
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| 
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| //--------------------------------------------------------------------+
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| // MFX
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| //--------------------------------------------------------------------+
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| static I2C_HandleTypeDef i2c_handle = {
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|   .Instance = I2C1,
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|   .Init = {
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|     .Timing = 0x10C0ECFF,
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|     .OwnAddress1 = 0,
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|     .AddressingMode = I2C_ADDRESSINGMODE_7BIT,
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|     .DualAddressMode = I2C_DUALADDRESS_DISABLE,
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|     .OwnAddress2 = 0,
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|     .OwnAddress2Masks = I2C_OA2_NOMASK,
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|     .GeneralCallMode = I2C_GENERALCALL_DISABLE,
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|     .NoStretchMode = I2C_NOSTRETCH_DISABLE,
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|   }
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| };
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| static MFXSTM32L152_Object_t  mfx_obj = { 0 };
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| static MFXSTM32L152_IO_Mode_t* mfx_io = NULL;
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| static uint32_t mfx_vbus_pin[2] = { MFXSTM32L152_GPIO_PIN_7, MFXSTM32L152_GPIO_PIN_9 };
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| 
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| int32_t board_i2c_init(void) {
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|   __HAL_RCC_I2C1_CLK_ENABLE();
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|   __HAL_RCC_I2C1_FORCE_RESET();
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|   __HAL_RCC_I2C1_RELEASE_RESET();
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|   if (HAL_I2C_Init(&i2c_handle) != HAL_OK) {
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|     return HAL_ERROR;
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|   }
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|   if (HAL_I2CEx_ConfigAnalogFilter(&i2c_handle, I2C_ANALOGFILTER_ENABLE) != HAL_OK) {
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|     return HAL_ERROR;
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|   }
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|   if (HAL_I2CEx_ConfigDigitalFilter(&i2c_handle, 0) != HAL_OK) {
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|     return HAL_ERROR;
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|   }
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|   return 0;
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| }
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| 
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| int32_t board_i2c_deinit(void) {
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|   return 0;
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| }
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| 
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| int32_t i2c_readreg(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length) {
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|   TU_ASSERT (HAL_OK == HAL_I2C_Mem_Read(&i2c_handle, DevAddr, Reg, I2C_MEMADD_SIZE_8BIT, pData, Length, 10000));
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|   return 0;
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| }
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| 
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| int32_t i2c_writereg(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length) {
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|   TU_ASSERT(HAL_OK == HAL_I2C_Mem_Write(&i2c_handle, DevAddr, Reg, I2C_MEMADD_SIZE_8BIT, pData, Length, 10000));
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|   return 0;
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| }
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| 
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| static inline void board_init2(void) {
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|   // IO control via MFX
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|   MFXSTM32L152_IO_t io_ctx;
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|   io_ctx.Init        = board_i2c_init;
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|   io_ctx.DeInit      = board_i2c_deinit;
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|   io_ctx.ReadReg     = i2c_readreg;
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|   io_ctx.WriteReg    = i2c_writereg;
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|   io_ctx.GetTick     = (MFXSTM32L152_GetTick_Func) HAL_GetTick;
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| 
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|   uint16_t i2c_addr[] = { 0x84, 0x86 };
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|   for(uint8_t i = 0U; i < 2U; i++) {
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|     uint32_t mfx_id;
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|     io_ctx.Address = i2c_addr[i];
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|     TU_ASSERT(MFXSTM32L152_RegisterBusIO(&mfx_obj, &io_ctx) == MFXSTM32L152_OK, );
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|     TU_ASSERT(MFXSTM32L152_ReadID(&mfx_obj, &mfx_id) == MFXSTM32L152_OK, );
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|     if ((mfx_id == MFXSTM32L152_ID) || (mfx_id == MFXSTM32L152_ID_2)) {
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|       TU_ASSERT(MFXSTM32L152_Init(&mfx_obj) == MFXSTM32L152_OK, );
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|       break;
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|     }
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|   }
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| 
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|   mfx_io = &MFXSTM32L152_IO_Driver;
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|   mfx_io->IO_Start(&mfx_obj, MFXSTM32L152_GPIO_PINS_ALL);
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| 
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|   for(uint32_t i=0; i<2; i++) {
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|     MFXSTM32L152_IO_Init_t io_init = {
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|       .Pin = mfx_vbus_pin[i],
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|       .Mode = MFXSTM32L152_GPIO_MODE_OUTPUT_PP,
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|       .Pull = MFXSTM32L152_GPIO_PULLUP,
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|     };
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|     mfx_io->Init(&mfx_obj, &io_init);
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|   }
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| }
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| 
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| // VBUS1 is actually controlled by USB3320C PHY (using dwc2 drivebus signal)
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| void board_vbus_set(uint8_t rhport, bool state) {
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|   if (mfx_io) {
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|     mfx_io->IO_WritePin(&mfx_obj, mfx_vbus_pin[rhport], state);
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|   }
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| }
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| 
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| #ifdef __cplusplus
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|  }
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| #endif
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| 
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| #endif
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