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all descriptors read - OK, interfaces work - bad (only first two works - why? need to debug)

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This commit is contained in:
Edward Emelianov
2026-02-11 23:34:14 +03:00
parent 3a903d7d8c
commit e17058b2de
16 changed files with 565 additions and 259 deletions
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27
F3:F303/InterfaceBoard/hardware.c
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@@ -1,11 +1,36 @@
/*
* This file is part of the multiiface project.
* Copyright 2026 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
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "hardware.h"
uint8_t Config_mode = 0;
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();
// USB - alternate function 14 @ pins PA11/PA12; SWD - AF0 @PA13/14
GPIOA->AFR[1] = AFRf(14, 11) | AFRf(14, 12);
GPIOA->MODER = MODER_O(10) | MODER_AF(11) | MODER_AF(12) | MODER_AF(13) | MODER_AF(14);
// PA9 - config jumper (PU in), PA10 - USB pullup (PP)
GPIOA->MODER = MODER_I(9) | MODER_O(10) | MODER_AF(11) | MODER_AF(12) | MODER_AF(13) | MODER_AF(14);
GPIOA->OSPEEDR = OSPEED_HI(11) | OSPEED_HI(12) | OSPEED_HI(13) | OSPEED_HI(14);
GPIOA->PUPDR = PUPD_PU(9);
for(int i = 0; i < 10000; ++i) nop();
if(CFG_ON()) Config_mode = 1;
}
void hw_setup(){