glider/fw/fw.c
2024-01-23 23:50:18 -05:00

145 lines
4 KiB
C

//
// Copyright 2022 Wenting Zhang <zephray@outlook.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
#include <stdio.h>
#include "pico/stdlib.h"
#include "pico/binary_info.h"
#include "pico/sleep.h"
#include "hardware/i2c.h"
#include "config.h"
#include "utils.h"
#include "tcpm_driver.h"
#include "usb_pd.h"
#include "ptn3460.h"
#include "power.h"
#include "fpga.h"
#include "edid.h"
#include "caster.h"
int main()
{
stdio_init_all();
//sleep_ms(2000);
printf("\n");
printf("Glider\n");
// TODO: Unify both input options
#if defined(INPUT_DVI)
power_init();
edid_init();
power_enable(true);
//sleep_run_from_xosc();
//sleep_goto_dormant_until_edge_high(8);
// https://ghubcoder.github.io/posts/awaking-the-pico/
fpga_init();
//sleep_ms(5000);
//caster_init();
gpio_init(2);
gpio_set_dir(2, GPIO_IN);
gpio_pull_up(2);
int mode_max = 6;
int mode = 1;
UPDATE_MODE modes[6] = {
UM_FAST_MONO_NO_DITHER,
UM_FAST_MONO_BAYER,
UM_FAST_MONO_BLUE_NOISE,
UM_FAST_GREY,
UM_AUTO_LUT_NO_DITHER,
UM_AUTO_LUT_ERROR_DIFFUSION
};
while (1) {
//
if (gpio_get(2) == 0) {
sleep_ms(20);
if (gpio_get(2) == 0) {
int i = 0;
while (gpio_get(2) == 0) {
i++;
sleep_ms(1);
if (i > 500)
break;
}
if (i > 500) {
// Long press, clear screen
caster_redraw(0,0,1600,1200);
}
else {
// Short press, switch mode
mode++;
if (mode >= mode_max) mode = 0;
caster_setmode(0,0,1600,1200,modes[mode]);
}
while (gpio_get(2) == 0);
}
while (gpio_get(2) == 0);
}
}
#elif defined(INPUT_TYPEC)
int result = tcpm_init(0);
if (result)
fatal("Failed to initialize TCPC\n");
int cc1, cc2;
tcpc_config[0].drv->get_cc(0, &cc1, &cc2);
printf("CC status %d %d\n", cc1, cc2);
gpio_init(10);
gpio_put(10, 0);
gpio_set_dir(10, GPIO_OUT);
power_init();
power_enable(true); // TODO: should be dependent on DP signal valid
fpga_init();
ptn3460_init();
pd_init(0);
sleep_ms(50);
extern int dp_enabled;
bool hpd_sent = false;
bool dp_valid = false;
while (1) {
// TODO: Implement interrupt
fusb302_tcpc_alert(0);
pd_run_state_machine(0);
if (dp_enabled && !hpd_sent && !pd_is_vdm_busy(0)) {
printf("DP enabled\n");
pd_send_hpd(0, hpd_high);
hpd_sent = true;
}
if (dp_valid != ptn3460_is_valid()) {
dp_valid = ptn3460_is_valid();
printf(dp_valid ? "Input is valid\n" : "Input is invalid\n");
}
}
#endif
return 0;
}