mirror of
https://github.com/eddyem/stm32samples.git
synced 2026-02-28 11:54:30 +03:00
hide deprecated code; make USB snippet common for F0/F1/F3
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@@ -1,6 +1,5 @@
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/*
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* This file is part of the MLX90640 project.
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* Copyright 2022 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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* Copyright 2024 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@@ -15,22 +14,63 @@
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stm32f1.h>
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#define USB_RCC RCC_APB2ENR_IOPAEN
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#define USBPU_port GPIOA
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#define USBPU_pin (1<<15)
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#define USBPU_ON() pin_clear(USBPU_port, USBPU_pin)
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#define USBPU_OFF() pin_set(USBPU_port, USBPU_pin)
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#if defined STM32F0
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#include <stm32f0.h>
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#elif defined STM32F1
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#include <stm32f1.h>
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// there's no this define in standard header
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#define USB_BASE ((uint32_t)0x40005C00)
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#elif defined STM32F3
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#include <stm32f3.h>
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#endif
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// max endpoints number
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#define STM32ENDPOINTS 8
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/**
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* Buffers size definition
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**/
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// F0 - USB2_16; F1 - USB1_16; F3 - 1/2 depending on series
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#if !defined USB1_16 && !defined USB2_16
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#if defined STM32F0
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#define USB2_16
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#elif defined STM32F1
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#define USB1_16
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#else
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#error "Can't determine USB1_16 or USB2_16, define by hands"
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#endif
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#endif
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// BTABLE_SIZE FOR STM32F3:
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// In STM32F303/302xB/C, 512 bytes SRAM is not shared with CAN.
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// In STM32F302x6/x8 and STM32F30xxD/E, 726 bytes dedicated SRAM and 256 bytes shared SRAM with CAN i.e.
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// 1Kbytes dedicated SRAM in case CAN is disabled.
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// remember, that USB_BTABLE_SIZE will be divided by ACCESSZ, so don't divide it twice for 32-bit addressing
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#ifdef NOCAN
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#if defined STM32F0
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#define USB_BTABLE_SIZE 1024
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#elif defined STM32F3
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#define USB_BTABLE_SIZE 512
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#warning "Please, check real buffer size due to docs"
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#else
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#error "define STM32F0 or STM32F3"
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#endif
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#else // !NOCAN: F0/F3 with CAN or F1 (can't simultaneously run CAN and USB)
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#if defined STM32F0
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#define USB_BTABLE_SIZE 768
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#elif defined STM32F3
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#define USB_BTABLE_SIZE 512
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#warning "Please, check real buffer size due to docs"
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#else // STM32F103: 1024 bytes but with 32-bit addressing
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#define USB_BTABLE_SIZE 1024
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#endif
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#endif // NOCAN
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// first 64 bytes of USB_BTABLE are registers!
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//#define USB_EP0_BASEADDR 64
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// for USB FS EP0 buffers are from 8 to 64 bytes long (64 for PL2303)
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#define USB_EP0_BUFSZ 64
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// USB transmit buffer size (64 for PL2303)
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@@ -41,7 +81,6 @@
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#define USB_EP1BUFSZ 8
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#define USB_BTABLE_BASE 0x40006000
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#define USB_BASE ((uint32_t)0x40005C00)
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#define USB ((USB_TypeDef *) USB_BASE)
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#ifdef USB_BTABLE
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@@ -87,6 +126,7 @@ typedef struct {
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__IO uint32_t BTABLE;
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} USB_TypeDef;
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// F303 D/E have 2x16 access scheme
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typedef struct{
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#if defined USB2_16
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__IO uint16_t USB_ADDR_TX;
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@@ -107,9 +147,9 @@ typedef struct{
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#endif
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} USB_EPDATA_TypeDef;
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typedef struct{
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__IO USB_EPDATA_TypeDef EP[STM32ENDPOINTS];
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} USB_BtableDef;
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void USB_setup();
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int EP_Init(uint8_t number, uint8_t type, uint16_t txsz, uint16_t rxsz, void (*func)());
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