mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-14 20:18:13 +00:00
9c39061590
* Touch debug from kallanreed
* Revert "init commit for fix touchscreen bad corner (#1071)"
This reverts commit 53fcdedb88.
* increase touch sensitivity by lowering the threshold
---------
Co-authored-by: Eisenberger Tamas <e.tamas@iwstudio.hu>
83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
/*
|
|
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
|
|
*
|
|
* This file is part of PortaPack.
|
|
*
|
|
* 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 2, 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; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "touch.hpp"
|
|
|
|
#include <cstdint>
|
|
|
|
#include "adc.hpp"
|
|
#include "utility.hpp"
|
|
|
|
#include "hal.h"
|
|
using namespace lpc43xx;
|
|
|
|
#include "hackrf_hal.hpp"
|
|
using namespace hackrf::one;
|
|
|
|
#include "portapack_adc.hpp"
|
|
#include "portapack_shared_memory.hpp"
|
|
|
|
namespace touch {
|
|
namespace adc {
|
|
|
|
constexpr uint8_t adc0_sel =
|
|
(1 << portapack::adc0_touch_xp_input) | (1 << portapack::adc0_touch_xn_input) | (1 << portapack::adc0_touch_yp_input) | (1 << portapack::adc0_touch_yn_input);
|
|
const auto adc0_interrupt_mask = flp2(adc0_sel);
|
|
|
|
constexpr lpc43xx::adc::CR adc0_cr{
|
|
.sel = adc0_sel,
|
|
.clkdiv = 49, /* 400kHz sample rate, 2.5us/sample @ 200MHz PCLK */
|
|
.resolution = 9, /* Ten clocks */
|
|
.edge = 0,
|
|
};
|
|
constexpr lpc43xx::adc::Config adc0_config{
|
|
.cr = adc0_cr,
|
|
};
|
|
|
|
void init() {
|
|
adc0::clock_enable();
|
|
adc0::interrupts_disable();
|
|
adc0::power_up(adc0_config);
|
|
adc0::interrupts_enable(adc0_interrupt_mask);
|
|
}
|
|
|
|
void start() {
|
|
adc0::start_burst();
|
|
}
|
|
|
|
// static constexpr bool monitor_overruns_and_not_dones = false;
|
|
|
|
Samples get() {
|
|
const auto xp_reg = LPC_ADC0->DR[portapack::adc0_touch_xp_input];
|
|
const auto xn_reg = LPC_ADC0->DR[portapack::adc0_touch_xn_input];
|
|
const auto yp_reg = LPC_ADC0->DR[portapack::adc0_touch_yp_input];
|
|
const auto yn_reg = LPC_ADC0->DR[portapack::adc0_touch_yn_input];
|
|
return {
|
|
(xp_reg >> 6) & 0x3ff,
|
|
(xn_reg >> 6) & 0x3ff,
|
|
(yp_reg >> 6) & 0x3ff,
|
|
(yn_reg >> 6) & 0x3ff,
|
|
};
|
|
}
|
|
|
|
} /* namespace adc */
|
|
} /* namespace touch */
|