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https://github.com/eddyem/IR-controller.git
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109 lines
3.3 KiB
C
109 lines
3.3 KiB
C
/*
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* hardware_ini.h
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*
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* Copyright 2014 Edward V. Emelianov <eddy@sao.ru, 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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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#pragma once
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#ifndef __HARDWARE_INI_H__
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#define __HARDWARE_INI_H__
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#define TIM2_DMABUFF_SIZE 128
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// 1-wire zero-state lengths (in us minus 1)
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#define OW_1 (9)
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#define OW_0 (69)
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#define OW_READ1 (14)
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#define OW_BIT (79)
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#define OW_RESET (499)
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#define OW_PRESENT (599)
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extern volatile uint16_t ADC_value[]; // ADC DMA value
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#define TRD_NO (8) // number of TRD devices
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// bits used to address external SPI ADC - PD10..12
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#define ADC_ADDR_MASK (GPIO10|GPIO11|GPIO12)
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#define ADC_SET_ADDR(X) ((X << 10) & ADC_ADDR_MASK)
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#define ADC_EN_PIN GPIO13
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#define ADC_ADDR_PORT GPIOD
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void SPI1_init();
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void SPI2_init();
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void GPIO_init();
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void SysTick_init();
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void ADC_init();
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void ADC_calibrate_and_start();
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/*
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* USB interface
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*/
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// USB_DICS (disconnect) - PC11
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#define USB_DISC_PIN GPIO11
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#define USB_DISC_PORT GPIOC
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// USB_POWER (high level when USB connected to PC)
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#define USB_POWER_PIN GPIO10
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#define USB_POWER_PORT GPIOC
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// change signal level on USB diconnect pin
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#define usb_disc_high() gpio_set(USB_DISC_PORT, USB_DISC_PIN)
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#define usb_disc_low() gpio_clear(USB_DISC_PORT, USB_DISC_PIN)
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// in case of pnp bipolar transistor on 1.5k pull-up disconnect means low level
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// in case of p-channel FET on 1.5k pull-up change on/off disconnect means high level
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#define usb_disconnect() usb_disc_low()
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#define usb_connect() usb_disc_high()
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/*
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* Stepper motors
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* motors' interface use timers 1 & 2, so even hardware-dependent functions are
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* moved to stepper_motors.c
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*/
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// PE7..11 - EN
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#define MOROT_EN_MASK (0x1f << 7)
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#define MOTOR_EN_PORT (GPIOE)
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// N == 1..5
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#define MOTOR_EN_PIN(N) (GPIO6 << (N))
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// PE0..PE5 - DIR
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#define MOROT_DIR_MASK (0x1f)
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#define MOTOR_DIR_PORT (GPIOE)
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// N == 1..5
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#define MOTOR_DIR_PIN(N) (GPIO0 << (N - 1))
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// timers: TIM1 - PC6, TIM2 - PD15
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#define MOTOR_TIM1_PORT (GPIOC)
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#define MOTOR_TIM1_PIN (GPIO6)
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#define MOTOR_TIM2_PORT (GPIOD)
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#define MOTOR_TIM2_PIN (GPIO15)
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/*
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* One Wire interface
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*/
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// In case of using other USART for 1-wire port, make corresponding change
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// and redefine pins in OW_Init
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#define OW_USART_X USART2
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#define OW_RX_PORT GPIO_BANK_USART2_RX
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#define OW_RX_PIN GPIO_USART2_RX
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void init_ow_dmatimer();
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void run_dmatimer();
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extern uint8_t ow_done;
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#define OW_READY() (ow_done)
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void ow_dma_on();
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void adc_dma_on();
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uint8_t OW_add_byte(uint8_t ow_byte, uint8_t Nbits, uint8_t ini);
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void read_from_OWbuf(uint8_t start_idx, uint8_t N, uint8_t *outbuf);
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void ow_reset();
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uint8_t OW_get_reset_status();
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#endif // __HARDWARE_INI_H__
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