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50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2026 by Aidan MacDonald
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "i2c-stm32h7.h"
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#include "clock-echoplayer.h"
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#include "nvic-arm.h"
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#include "regs/stm32h743/i2c.h"
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static const struct stm32_i2c_config i2c1_conf INITDATA_ATTR = {
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.instance = ITA_I2C1,
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.ker_clock = &i2c1_ker_clock,
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.bus_freq_hz = 400000,
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.scl_low_min_ns = 1300,
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.scl_high_min_ns = 600,
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.t_vd_dat_max_ns = 900,
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.t_su_dat_max_ns = 100,
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.rise_time_max_ns = 300,
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.fall_time_max_ns = 300,
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};
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struct stm32_i2c_controller i2c1_ctl;
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void i2c_init(void)
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{
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stm32_i2c_init(&i2c1_ctl, &i2c1_conf);
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nvic_enable_irq(NVIC_IRQN_I2C1_EV);
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nvic_enable_irq(NVIC_IRQN_I2C1_ER);
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}
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void i2c1_irq_handler(void)
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{
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stm32_i2c_irq_handler(&i2c1_ctl);
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}
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