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change to new USB code

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eddyem
2023-04-17 15:18:33 +03:00
parent fe8e444338
commit c54b35c606
17 changed files with 217 additions and 328 deletions
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11
F3:F303/PL2303/hardware.c
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@@ -1,6 +1,6 @@
/*
* This file is part of the pl2303 project.
* Copyright 2022 Edward V. Emelianov <edward.emelianoff@gmail.com>.
* Copyright 2023 Edward V. Emelianov <edward.emelianoff@gmail.com>.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -20,10 +20,15 @@
#include "usart.h"
static inline void gpio_setup(){
RCC->AHBENR |= RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN; // for USART and LEDs
for(int i = 0; i < 10000; ++i) nop();
RCC->AHBENR |= RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN;
// LEDs on PB0 and PB1
GPIOB->MODER = GPIO_MODER_MODER0_O | GPIO_MODER_MODER1_O;
GPIOB->ODR = 1;
// USB - alternate function 14 @ pins PA11/PA12; USART1 = AF7 @PA9/10; SWD - AF0 @PA13/14
GPIOA->AFR[1] = AFRf(7, 9) | AFRf(7, 10) | AFRf(14, 11) | AFRf(14, 12);
// USART1: PA10(Rx), PA9(Tx); USB - PA11, PA12; SWDIO - PA13, PA14; Pullup - PA15
GPIOA->MODER = MODER_AF(9) | MODER_AF(10) | MODER_AF(11) | MODER_AF(12) | MODER_AF(13) | MODER_AF(14) | MODER_O(15);
GPIOA->OSPEEDR = OSPEED_HI(11) | OSPEED_HI(12) | OSPEED_HI(13) | OSPEED_HI(14);
}
void hw_setup(){