284 lines
10 KiB
C
284 lines
10 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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/* metadata:
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name: STM32 N657X0-Q Nucleo
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url: https://www.st.com/en/evaluation-tools/nucleo-n657x0-q.html
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*/
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#ifndef BOARD_H_
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#define BOARD_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "stm32n657xx.h"
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#include "stm32n6xx_ll_exti.h"
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#include "stm32n6xx_ll_system.h"
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#include "tcpp0203.h"
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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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#define BOARD_TUD_RHPORT 1
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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 1
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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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#define PINID_TCPP0203_EN 4
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static board_pindef_t board_pindef[] = {
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{// LED
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.port = GPIOG,
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.pin_init = {.Pin = GPIO_PIN_10, .Mode = GPIO_MODE_OUTPUT_PP, .Pull = GPIO_PULLDOWN, .Speed = GPIO_SPEED_FREQ_HIGH, .Alternate = 0},
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.active_state = 1},
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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_PULLDOWN, .Speed = GPIO_SPEED_FREQ_HIGH, .Alternate = 0},
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.active_state = 1},
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{// UART TX
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.port = GPIOE,
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.pin_init = {.Pin = GPIO_PIN_5, .Mode = GPIO_MODE_AF_PP, .Pull = GPIO_NOPULL, .Speed = GPIO_SPEED_FREQ_LOW, .Alternate = GPIO_AF7_USART1},
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.active_state = 0},
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{// UART RX
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.port = GPIOE,
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.pin_init = {.Pin = GPIO_PIN_6, .Mode = GPIO_MODE_AF_PP, .Pull = GPIO_NOPULL, .Speed = GPIO_SPEED_FREQ_LOW, .Alternate = GPIO_AF7_USART1},
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.active_state = 0},
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{// VBUS input pin used for TCPP0203 EN
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.port = GPIOA,
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.pin_init = {.Pin = GPIO_PIN_7, .Mode = GPIO_MODE_OUTPUT_PP, .Pull = GPIO_PULLDOWN, .Speed = GPIO_SPEED_FREQ_HIGH, .Alternate = 0},
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.active_state = 0},
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{
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// I2C SCL for TCPP0203
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.port = GPIOB,
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.pin_init = {.Pin = GPIO_PIN_10, .Mode = GPIO_MODE_AF_OD, .Pull = GPIO_NOPULL, .Speed = GPIO_SPEED_FREQ_LOW, .Alternate = GPIO_AF4_I2C2},
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},
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{
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// I2C SDA for TCPP0203
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.port = GPIOB,
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.pin_init = {.Pin = GPIO_PIN_11, .Mode = GPIO_MODE_AF_OD, .Pull = GPIO_NOPULL, .Speed = GPIO_SPEED_FREQ_LOW, .Alternate = GPIO_AF4_I2C2},
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},
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{
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// INT for TCPP0203
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.port = GPIOD,
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.pin_init = {.Pin = GPIO_PIN_2, .Mode = GPIO_MODE_IT_FALLING, .Pull = GPIO_PULLUP, .Speed = GPIO_SPEED_FREQ_HIGH, .Alternate = 0},
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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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void SystemClock_Config(void) {
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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/* Configure the power domain */
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if (HAL_PWREx_ConfigSupply(PWR_EXTERNAL_SOURCE_SUPPLY) != HAL_OK) {
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Error_Handler();
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}
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/* Get current CPU/System buses clocks configuration */
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/* and if necessary switch to intermediate HSI clock */
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/* to ensure target clock can be set */
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HAL_RCC_GetClockConfig(&RCC_ClkInitStruct);
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if ((RCC_ClkInitStruct.CPUCLKSource == RCC_CPUCLKSOURCE_IC1) ||
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(RCC_ClkInitStruct.SYSCLKSource == RCC_SYSCLKSOURCE_IC2_IC6_IC11)) {
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RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_CPUCLK | RCC_CLOCKTYPE_SYSCLK);
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RCC_ClkInitStruct.CPUCLKSource = RCC_CPUCLKSOURCE_HSI;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct) != HAL_OK) {
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Error_Handler();
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}
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}
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/* HSE selected as source (stable clock on Level 0 samples */
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/* PLL1 output = ((HSE/PLLM)*PLLN)/PLLP1/PLLP2 */
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/* = ((48000000/3)*75)/1/1 */
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/* = (16000000*75)/1/1 */
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/* = 1200000000 (1200 MHz) */
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/* PLL2 off */
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/* PLL3 off */
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/* PLL4 off */
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/* Enable HSE && HSI */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
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RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1;
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RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON; /* 48 MHz */
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RCC_OscInitStruct.PLL1.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL1.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL1.PLLM = 3;
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RCC_OscInitStruct.PLL1.PLLN = 75; /* PLL1 VCO = 48/3 * 75 = 1200MHz */
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RCC_OscInitStruct.PLL1.PLLP1 = 1; /* PLL output = PLL VCO frequency / (PLLP1 * PLLP2) */
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RCC_OscInitStruct.PLL1.PLLP2 = 1; /* PLL output = 1200 MHz */
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RCC_OscInitStruct.PLL1.PLLFractional = 0;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
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/* Initialization error */
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Error_Handler();
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}
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/* Select PLL1 outputs as CPU and System bus clock source */
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/* CPUCLK = ic1_ck = PLL1 output/ic1_divider = 600 MHz */
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/* SYSCLK = ic2_ck = PLL1 output/ic2_divider = 400 MHz */
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/* Configure the HCLK clock divider */
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/* HCLK = PLL1 SYSCLK/HCLK divider = 200 MHz */
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/* PCLKx = HCLK / PCLKx divider = 200 MHz */
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RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_CPUCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK |
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RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2 | RCC_CLOCKTYPE_PCLK4 | RCC_CLOCKTYPE_PCLK5);
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RCC_ClkInitStruct.CPUCLKSource = RCC_CPUCLKSOURCE_IC1;
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RCC_ClkInitStruct.IC1Selection.ClockSelection = RCC_ICCLKSOURCE_PLL1;
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RCC_ClkInitStruct.IC1Selection.ClockDivider = 2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_IC2_IC6_IC11;
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RCC_ClkInitStruct.IC2Selection.ClockSelection = RCC_ICCLKSOURCE_PLL1;
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RCC_ClkInitStruct.IC2Selection.ClockDivider = 3;
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RCC_ClkInitStruct.IC6Selection.ClockSelection = RCC_ICCLKSOURCE_PLL1;
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RCC_ClkInitStruct.IC6Selection.ClockDivider = 3;
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RCC_ClkInitStruct.IC11Selection.ClockSelection = RCC_ICCLKSOURCE_PLL1;
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RCC_ClkInitStruct.IC11Selection.ClockDivider = 3;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV1;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV1;
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RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV1;
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RCC_ClkInitStruct.APB5CLKDivider = RCC_APB5_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct) != HAL_OK) {
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/* Initialization Error */
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Error_Handler();
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}
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/** Initializes the peripherals clock
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*/
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RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USBOTGHS1;
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PeriphClkInitStruct.UsbOtgHs1ClockSelection = RCC_USBPHY1REFCLKSOURCE_HSE_DIRECT;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
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/* Initialization Error */
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Error_Handler();
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}
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/** Set USB OTG HS PHY1 Reference Clock Source */
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USBPHY1;
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PeriphClkInitStruct.UsbPhy1ClockSelection = RCC_USBPHY1REFCLKSOURCE_HSE_DIRECT;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
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/* Initialization Error */
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Error_Handler();
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}
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}
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//--------------------------------------------------------------------+
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// USB PD
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//--------------------------------------------------------------------+
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static I2C_HandleTypeDef i2c_handle = {
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.Instance = I2C2,
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.Init = {
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.Timing = 0x20C0EDFF,
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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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static TCPP0203_Object_t tcpp0203_obj = {0};
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int32_t board_tcpp0203_init(void) {
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board_pindef_t *pindef = &board_pindef[PINID_TCPP0203_EN];
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HAL_GPIO_WritePin(pindef->port, pindef->pin_init.Pin, GPIO_PIN_SET);
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__HAL_RCC_I2C2_CLK_ENABLE();
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__HAL_RCC_I2C2_FORCE_RESET();
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__HAL_RCC_I2C2_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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NVIC_SetPriority(EXTI8_IRQn, 12);
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NVIC_EnableIRQ(EXTI8_IRQn);
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return 0;
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}
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int32_t board_tcpp0203_deinit(void) {
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return 0;
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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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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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static inline void board_init2(void) {
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TCPP0203_IO_t io_ctx;
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io_ctx.Address = TCPP0203_I2C_ADDRESS_X68;
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io_ctx.Init = board_tcpp0203_init;
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io_ctx.DeInit = board_tcpp0203_deinit;
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io_ctx.ReadReg = i2c_readreg;
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io_ctx.WriteReg = i2c_writereg;
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TU_ASSERT(TCPP0203_RegisterBusIO(&tcpp0203_obj, &io_ctx) == TCPP0203_OK, );
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TU_ASSERT(TCPP0203_Init(&tcpp0203_obj) == TCPP0203_OK, );
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TU_ASSERT(TCPP0203_SetPowerMode(&tcpp0203_obj, TCPP0203_POWER_MODE_NORMAL) == TCPP0203_OK, );
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}
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void board_vbus_set(uint8_t rhport, bool state) {
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(void) state;
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if (rhport == 1) {
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TU_ASSERT(TCPP0203_SetGateDriverProvider(&tcpp0203_obj, TCPP0203_GD_PROVIDER_SWITCH_CLOSED) == TCPP0203_OK, );
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}
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}
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void EXTI8_IRQHandler(void) {
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__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_8);
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if (tcpp0203_obj.IsInitialized) {
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TU_ASSERT(TCPP0203_SetPowerMode(&tcpp0203_obj, TCPP0203_POWER_MODE_NORMAL) == TCPP0203_OK, );
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TU_ASSERT(TCPP0203_SetGateDriverProvider(&tcpp0203_obj, TCPP0203_GD_PROVIDER_SWITCH_CLOSED) == TCPP0203_OK, );
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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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#endif
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