adafruit-mirror/PicoDVI
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Moar WIP

Browse source
This commit is contained in:
Phillip Burgess 2023-01-11 11:17:28 -08:00
parent fba38ea47a
commit a434bf4cdd
4 changed files with 29 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
examples/hello/hello.ino
View file

@ -1,6 +1,6 @@
#include <PicoDVI.h>
PicoDVI dvi(320, 240, VREG_VOLTAGE_1_20, dvi_timing_640x480p_60hz);
PicoDVI dvi(320, 240, VREG_VOLTAGE_1_20, dvi_timing_640x480p_60hz, pimoroni_demo_hdmi_cfg);
void setup() {
dvi.begin();

4
software/include/common_dvi_pin_configs.h
View file

@ -5,7 +5,11 @@
// developing on. It's not a particularly important file -- just saves some
// copy + paste.
#if defined(ARDUINO)
#include "../libdvi/dvi_serialiser.h"
#else
#include "dvi_serialiser.h"
#endif
#ifndef DVI_DEFAULT_SERIAL_CONFIG
#define DVI_DEFAULT_SERIAL_CONFIG pico_sock_cfg

21
src/PicoDVI.cpp
View file

@ -1,11 +1,13 @@
#include "PicoDVI.h"
#include <stdlib.h>
#include <string.h>
PicoDVI::PicoDVI(uint16_t w, uint16_t h, vreg_voltage v, const struct dvi_timing &t) {
PicoDVI::PicoDVI(uint16_t w, uint16_t h, vreg_voltage v, const struct dvi_timing &t, const struct dvi_serialiser_cfg &c) {
framebuf_width = w;
framebuf_height = h;
timing = &t;
voltage = v;
cfg = &c;
}
PicoDVI::~PicoDVI(void) {
@ -14,6 +16,23 @@ PicoDVI::~PicoDVI(void) {
bool PicoDVI::begin(void) {
if ((framebuf = (uint16_t *)malloc(framebuf_width * framebuf_height * sizeof(uint16_t)))) {
vreg_set_voltage(voltage);
sleep_ms(10);
#ifdef RUN_FROM_CRYSTAL
set_sys_clock_khz(12000, true);
#else
// Run system at TMDS bit clock
set_sys_clock_khz(timing->bit_clk_khz, true);
#endif
dvi0.timing = timing;
//dvi0.ser_cfg = DVI_DEFAULT_SERIAL_CONFIG;
memcpy(&dvi0.ser_cfg, cfg, sizeof dvi0.ser_cfg);
#if 0
dvi0.scanline_callback = core1_scanline_callback;
dvi_init(&dvi0, next_striped_spin_lock_num(), next_striped_spin_lock_num());
#endif
return true;
}
return false;

5
src/PicoDVI.h
View file

@ -1,15 +1,17 @@
#pragma once
#include "pico/stdlib.h" // In Pico SDK
#include "hardware/vreg.h" // In Pico SDK
#include "libdvi/dvi.h" // Requires soft link in src to ../software/libdvi
#include "libdvi/dvi_timing.h"
#include "../software/include/common_dvi_pin_configs.h"
// Also, one must build PicoDVI via the usual route (mkdir build & cmake, etc.)
// and copy dvi_serialiser.pio.h to libdvi. 'build' is in .gitignore and
// doesn't get included w/push.
class PicoDVI {
public:
PicoDVI(uint16_t w, uint16_t h, vreg_voltage v, const struct dvi_timing &t);
PicoDVI(uint16_t w, uint16_t h, vreg_voltage v, const struct dvi_timing &t, const struct dvi_serialiser_cfg &c);
~PicoDVI(void);
bool begin(void);
private:
@ -19,4 +21,5 @@ private:
struct dvi_inst dvi0;
const struct dvi_timing *timing;
vreg_voltage voltage;
const struct dvi_serialiser_cfg *cfg;
};