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ui.c
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ui.c
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/*
* Copyright (c) 2014-2015, TAKAHASHI Tomohiro (TTRFTECH) [email protected]
* All rights reserved.
*
* This 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 3, or (at your option)
* any later version.
*
* The software 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "ch.h"
#include "hal.h"
#include "nanovna.h"
#include <stdlib.h>
#include <string.h>
uistat_t uistat = {
digit: 6,
current_trace: 0
};
#define NO_EVENT 0
#define EVT_BUTTON_SINGLE_CLICK 0x01
#define EVT_BUTTON_DOUBLE_CLICK 0x02
#define EVT_BUTTON_DOWN_LONG 0x04
#define EVT_UP 0x10
#define EVT_DOWN 0x20
#define EVT_REPEAT 0x40
#define BUTTON_DOWN_LONG_TICKS 5000 /* 1sec */
#define BUTTON_DOUBLE_TICKS 5000 /* 500ms */
#define BUTTON_REPEAT_TICKS 1000 /* 100ms */
#define BUTTON_DEBOUNCE_TICKS 200
/* lever switch assignment */
#define BIT_UP1 3
#define BIT_PUSH 2
#define BIT_DOWN1 1
#define READ_PORT() palReadPort(GPIOA)
#define BUTTON_MASK 0b1111
static uint16_t last_button = 0b0000;
static uint32_t last_button_down_ticks;
static uint32_t last_button_repeat_ticks;
static int8_t inhibit_until_release = FALSE;
enum { OP_NONE = 0, OP_LEVER, OP_TOUCH };
uint8_t operation_requested = OP_NONE;
int previous_marker = 0;
enum {
UI_NORMAL, UI_MENU, UI_NUMERIC, UI_KEYPAD
};
enum {
KM_START, KM_STOP, KM_CENTER, KM_SPAN, KM_CW, KM_SCALE, KM_REFPOS, KM_EDELAY
};
uint8_t ui_mode = UI_NORMAL;
uint8_t keypad_mode;
int8_t selection = 0;
typedef struct {
uint8_t type;
char *label;
const void *reference;
} menuitem_t;
int8_t last_touch_status = FALSE;
int16_t last_touch_x;
int16_t last_touch_y;
//int16_t touch_cal[4] = { 1000, 1000, 10*16, 12*16 };
//int16_t touch_cal[4] = { 620, 600, 130, 180 };
#define EVT_TOUCH_NONE 0
#define EVT_TOUCH_DOWN 1
#define EVT_TOUCH_PRESSED 2
#define EVT_TOUCH_RELEASED 3
int awd_count;
//int touch_x, touch_y;
#define NUMINPUT_LEN 10
#define KP_CONTINUE 0
#define KP_DONE 1
#define KP_CANCEL 2
char kp_buf[11];
int8_t kp_index = 0;
void ui_mode_normal(void);
void ui_mode_menu(void);
void ui_mode_numeric(int _keypad_mode);
void ui_mode_keypad(int _keypad_mode);
void draw_menu(void);
void leave_ui_mode(void);
void erase_menu_buttons(void);
void ui_process_keypad(void);
void ui_process_numeric(void);
static void menu_push_submenu(const menuitem_t *submenu);
static int btn_check(void)
{
int cur_button = READ_PORT() & BUTTON_MASK;
int changed = last_button ^ cur_button;
int status = 0;
uint32_t ticks = chVTGetSystemTime();
if (changed & (1<<BIT_PUSH)) {
if (ticks - last_button_down_ticks >= BUTTON_DEBOUNCE_TICKS) {
if (cur_button & (1<<BIT_PUSH)) {
// button released
status |= EVT_BUTTON_SINGLE_CLICK;
if (inhibit_until_release) {
status = 0;
inhibit_until_release = FALSE;
}
}
last_button_down_ticks = ticks;
}
}
if (changed & (1<<BIT_UP1)) {
if ((cur_button & (1<<BIT_UP1))
&& (ticks >= last_button_down_ticks + BUTTON_DEBOUNCE_TICKS)) {
status |= EVT_UP;
}
last_button_down_ticks = ticks;
}
if (changed & (1<<BIT_DOWN1)) {
if ((cur_button & (1<<BIT_DOWN1))
&& (ticks >= last_button_down_ticks + BUTTON_DEBOUNCE_TICKS)) {
status |= EVT_DOWN;
}
last_button_down_ticks = ticks;
}
last_button = cur_button;
return status;
}
static int btn_wait_release(void)
{
while (TRUE) {
int cur_button = READ_PORT() & BUTTON_MASK;
int changed = last_button ^ cur_button;
uint32_t ticks = chVTGetSystemTime();
int status = 0;
if (!inhibit_until_release) {
if ((cur_button & (1<<BIT_PUSH))
&& ticks - last_button_down_ticks >= BUTTON_DOWN_LONG_TICKS) {
inhibit_until_release = TRUE;
return EVT_BUTTON_DOWN_LONG;
}
if ((changed & (1<<BIT_PUSH))
&& ticks - last_button_down_ticks < BUTTON_DOWN_LONG_TICKS) {
return EVT_BUTTON_SINGLE_CLICK;
}
}
if (changed) {
// finished
last_button = cur_button;
last_button_down_ticks = ticks;
inhibit_until_release = FALSE;
return 0;
}
if (ticks - last_button_down_ticks >= BUTTON_DOWN_LONG_TICKS
&& ticks - last_button_repeat_ticks >= BUTTON_REPEAT_TICKS) {
if (cur_button & (1<<BIT_DOWN1)) {
status |= EVT_DOWN | EVT_REPEAT;
}
if (cur_button & (1<<BIT_UP1)) {
status |= EVT_UP | EVT_REPEAT;
}
last_button_repeat_ticks = ticks;
return status;
}
}
}
int
touch_measure_y(void)
{
int v;
// open Y line
palSetPadMode(GPIOB, 1, PAL_MODE_INPUT_PULLDOWN );
palSetPadMode(GPIOA, 7, PAL_MODE_INPUT_PULLDOWN );
// drive low to high on X line
palSetPadMode(GPIOB, 0, PAL_MODE_OUTPUT_PUSHPULL );
palClearPad(GPIOB, 0);
palSetPadMode(GPIOA, 6, PAL_MODE_OUTPUT_PUSHPULL );
palSetPad(GPIOA, 6);
chThdSleepMilliseconds(2);
v = adc_single_read(ADC1, ADC_CHSELR_CHSEL7);
//chThdSleepMilliseconds(2);
//v += adc_single_read(ADC1, ADC_CHSELR_CHSEL7);
return v;
}
int
touch_measure_x(void)
{
int v;
// open X line
palSetPadMode(GPIOB, 0, PAL_MODE_INPUT_PULLDOWN );
palSetPadMode(GPIOA, 6, PAL_MODE_INPUT_PULLDOWN );
// drive low to high on Y line
palSetPadMode(GPIOB, 1, PAL_MODE_OUTPUT_PUSHPULL );
palSetPad(GPIOB, 1);
palSetPadMode(GPIOA, 7, PAL_MODE_OUTPUT_PUSHPULL );
palClearPad(GPIOA, 7);
chThdSleepMilliseconds(2);
v = adc_single_read(ADC1, ADC_CHSELR_CHSEL6);
//chThdSleepMilliseconds(2);
//v += adc_single_read(ADC1, ADC_CHSELR_CHSEL6);
return v;
}
void
touch_prepare_sense(void)
{
// open Y line
palSetPadMode(GPIOB, 1, PAL_MODE_INPUT_PULLDOWN );
palSetPadMode(GPIOA, 7, PAL_MODE_INPUT_PULLDOWN );
// force high X line
palSetPadMode(GPIOB, 0, PAL_MODE_OUTPUT_PUSHPULL );
palSetPad(GPIOB, 0);
palSetPadMode(GPIOA, 6, PAL_MODE_OUTPUT_PUSHPULL );
palSetPad(GPIOA, 6);
}
void
touch_start_watchdog(void)
{
touch_prepare_sense();
adc_start_analog_watchdogd(ADC1, ADC_CHSELR_CHSEL7);
}
int
touch_status(void)
{
touch_prepare_sense();
return adc_single_read(ADC1, ADC_CHSELR_CHSEL7) > TOUCH_THRESHOLD;
}
int touch_check(void)
{
int stat = touch_status();
if (stat) {
chThdSleepMilliseconds(10);
int x = touch_measure_x();
int y = touch_measure_y();
//if (touch_status()) {
last_touch_x = x;
last_touch_y = y;
//}
touch_prepare_sense();
}
if (stat != last_touch_status) {
last_touch_status = stat;
if (stat) {
return EVT_TOUCH_PRESSED;
} else {
return EVT_TOUCH_RELEASED;
}
} else {
if (stat)
return EVT_TOUCH_DOWN;
else
return EVT_TOUCH_NONE;
}
}
void touch_wait_release(void)
{
int status;
/* wait touch release */
do {
status = touch_check();
} while(status != EVT_TOUCH_RELEASED);
}
extern void ili9341_line(int, int, int, int, int);
void
touch_cal_exec(void)
{
int status;
int x1, x2, y1, y2;
adc_stop(ADC1);
ili9341_fill(0, 0, 320, 240, 0);
ili9341_line(0, 0, 0, 32, 0xffff);
ili9341_line(0, 0, 32, 0, 0xffff);
do {
status = touch_check();
} while(status != EVT_TOUCH_PRESSED);
x1 = last_touch_x;
y1 = last_touch_y;
ili9341_fill(0, 0, 320, 240, 0);
ili9341_line(320-1, 240-1, 320-1, 240-32, 0xffff);
ili9341_line(320-1, 240-1, 320-32, 240-1, 0xffff);
do {
status = touch_check();
} while(status != EVT_TOUCH_PRESSED);
x2 = last_touch_x;
y2 = last_touch_y;
config.touch_cal[0] = x1;
config.touch_cal[1] = y1;
config.touch_cal[2] = (x2 - x1) * 16 / 320;
config.touch_cal[3] = (y2 - y1) * 16 / 240;
//redraw_all();
touch_start_watchdog();
}
void
touch_draw_test(void)
{
int status;
int x0, y0;
int x1, y1;
adc_stop(ADC1);
do {
status = touch_check();
} while(status != EVT_TOUCH_PRESSED);
touch_position(&x0, &y0);
do {
status = touch_check();
touch_position(&x1, &y1);
ili9341_line(x0, y0, x1, y1, 0xffff);
x0 = x1;
y0 = y1;
chThdSleepMilliseconds(50);
} while(status != EVT_TOUCH_RELEASED);
touch_start_watchdog();
}
void
touch_position(int *x, int *y)
{
*x = (last_touch_x - config.touch_cal[0]) * 16 / config.touch_cal[2];
*y = (last_touch_y - config.touch_cal[1]) * 16 / config.touch_cal[3];
}
// type of menu item
enum {
MT_NONE,
MT_BLANK,
MT_SUBMENU,
MT_CALLBACK,
MT_CANCEL,
MT_CLOSE
};
typedef void (*menuaction_cb_t)(int item);
static void menu_move_back(void);
static void
menu_calop_cb(int item)
{
switch (item) {
case 0: // OPEN
cal_collect(CAL_OPEN);
break;
case 1: // SHORT
cal_collect(CAL_SHORT);
break;
case 2: // LOAD
cal_collect(CAL_LOAD);
break;
case 3: // ISOLN
cal_collect(CAL_ISOLN);
break;
case 4: // THRU
cal_collect(CAL_THRU);
break;
}
selection = item+1;
draw_cal_status();
draw_menu();
}
static void
menu_caldone_cb(int item)
{
extern const menuitem_t menu_save[];
//extern const menuitem_t menu_cal[];
(void)item;
cal_done();
draw_cal_status();
menu_move_back();
menu_push_submenu(menu_save);
}
static void
menu_cal2_cb(int item)
{
switch (item) {
case 1: // RESET
cal_status = 0;
break;
case 2: // CORRECTION
// toggle applying correction
if (cal_status)
cal_status ^= CALSTAT_APPLY;
break;
}
draw_cal_status();
//menu_move_back();
}
static void
menu_recall_cb(int item)
{
if (item < 0 || item >= 5)
return;
if (caldata_recall(item) == 0) {
menu_move_back();
ui_mode_normal();
update_grid();
draw_cal_status();
}
}
static void
menu_save_cb(int item)
{
if (item < 0 || item >= 5)
return;
if (caldata_save(item) == 0) {
menu_move_back();
ui_mode_normal();
draw_cal_status();
}
}
static void
menu_trace_cb(int item)
{
extern const menuitem_t menu_trace_op[];
if (item < 0 || item >= 4)
return;
if (trace[item].enabled) {
uistat.current_trace = item;
menu_push_submenu(menu_trace_op);
} else {
trace[item].enabled = TRUE;
uistat.current_trace = item;
menu_move_back();
request_to_redraw_grid();
ui_mode_normal();
//redraw_all();
}
}
static void
menu_format_cb(int item)
{
switch (item) {
case 0:
set_trace_type(uistat.current_trace, TRC_LOGMAG);
break;
case 1:
set_trace_type(uistat.current_trace, TRC_PHASE);
break;
case 2:
set_trace_type(uistat.current_trace, TRC_DELAY);
break;
case 3:
set_trace_type(uistat.current_trace, TRC_SMITH);
break;
case 4:
set_trace_type(uistat.current_trace, TRC_SWR);
break;
}
request_to_redraw_grid();
ui_mode_normal();
//redraw_all();
}
static void
menu_format2_cb(int item)
{
switch (item) {
case 0:
set_trace_type(uistat.current_trace, TRC_POLAR);
break;
case 1:
set_trace_type(uistat.current_trace, TRC_LINEAR);
break;
}
request_to_redraw_grid();
ui_mode_normal();
}
static void
menu_channel_cb(int item)
{
if (item < 0 || item >= 2)
return;
set_trace_channel(uistat.current_trace, item);
menu_move_back();
ui_mode_normal();
}
/*static void
choose_active_marker(void)
{
int i;
for (i = 0; i < 4; i++)
if (markers[i].enabled) {
active_marker = i;
return;
}
active_marker = -1;
}*/
static void
choose_active_trace(void)
{
int i;
for (i = 0; i < 4; i++)
if (trace[i].enabled) {
uistat.current_trace = i;
return;
}
}
static void
menu_trace_op_cb(int item)
{
(void)item;
int t;
switch (item) {
case 0: // OFF
if (uistat.current_trace >= 0) {
trace[uistat.current_trace].enabled = FALSE;
choose_active_trace();
}
break;
case 1: // SINGLE
for (t = 0; t < 4; t++)
if (uistat.current_trace != t) {
trace[t].enabled = FALSE;
}
break;
}
menu_move_back();
request_to_redraw_grid();
ui_mode_normal();
//redraw_all();
}
static void
menu_scale_cb(int item)
{
int status;
status = btn_wait_release();
if (status & EVT_BUTTON_DOWN_LONG) {
ui_mode_keypad(KM_SCALE + item);
ui_process_keypad();
} else {
ui_mode_numeric(KM_SCALE + item);
ui_process_numeric();
}
}
static void
menu_stimulus_cb(int item)
{
int status;
switch (item) {
case 0: /* START */
case 1: /* STOP */
case 2: /* CENTER */
case 3: /* SPAN */
case 4: /* CW */
status = btn_wait_release();
if (status & EVT_BUTTON_DOWN_LONG) {
ui_mode_keypad(item);
ui_process_keypad();
} else {
ui_mode_numeric(item);
ui_process_numeric();
}
break;
case 5: /* PAUSE */
toggle_sweep();
menu_move_back();
ui_mode_normal();
break;
}
}
static int32_t
get_marker_frequency(int marker)
{
if (marker < 0 || marker >= 4)
return -1;
if (!markers[marker].enabled)
return -1;
return frequencies[markers[marker].index];
}
static void
menu_marker_op_cb(int item)
{
int32_t freq = get_marker_frequency(active_marker);
if (freq < 0)
return; // no active marker
switch (item) {
case 1: /* MARKER->START */
set_sweep_frequency(ST_START, freq);
break;
case 2: /* MARKER->STOP */
set_sweep_frequency(ST_STOP, freq);
break;
case 3: /* MARKER->CENTER */
set_sweep_frequency(ST_CENTER, freq);
break;
case 4: /* MARKERS->SPAN */
{
if (previous_marker == active_marker)
return;
int32_t freq2 = get_marker_frequency(previous_marker);
if (freq2 < 0)
return;
if (freq > freq2) {
freq2 = freq;
freq = get_marker_frequency(previous_marker);
}
set_sweep_frequency(ST_START, freq);
set_sweep_frequency(ST_STOP, freq2);
#if 0
int32_t span = (freq - freq2) * 2;
if (span < 0) span = -span;
set_sweep_frequency(ST_SPAN, span);
#endif
}
break;
}
ui_mode_normal();
draw_cal_status();
//redraw_all();
}
static void
menu_marker_sel_cb(int item)
{
if (item >= 0 && item < 4) {
if (active_marker == item) {
markers[active_marker].enabled = FALSE;
active_marker = previous_marker;
previous_marker = 0;
//choose_active_marker();
} else {
previous_marker = active_marker;
active_marker = item;
markers[active_marker].enabled = TRUE;
}
} else if (item == 4) {
// ALL OFF
markers[0].enabled = FALSE;
markers[1].enabled = FALSE;
markers[2].enabled = FALSE;
markers[3].enabled = FALSE;
previous_marker = 0;
active_marker = -1;
}
if (active_marker >= 0)
redraw_marker(active_marker, TRUE);
ui_mode_normal();
}
const menuitem_t menu_calop[] = {
{ MT_CALLBACK, "OPEN", menu_calop_cb },
{ MT_CALLBACK, "SHORT", menu_calop_cb },
{ MT_CALLBACK, "LOAD", menu_calop_cb },
{ MT_CALLBACK, "ISOLN", menu_calop_cb },
{ MT_CALLBACK, "THRU", menu_calop_cb },
{ MT_CALLBACK, "DONE", menu_caldone_cb },
{ MT_CANCEL, "BACK", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
const menuitem_t menu_save[] = {
{ MT_CALLBACK, "SAVE 0", menu_save_cb },
{ MT_CALLBACK, "SAVE 1", menu_save_cb },
{ MT_CALLBACK, "SAVE 2", menu_save_cb },
{ MT_CALLBACK, "SAVE 3", menu_save_cb },
{ MT_CALLBACK, "SAVE 4", menu_save_cb },
{ MT_CANCEL, "BACK", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
const menuitem_t menu_cal[] = {
{ MT_SUBMENU, "CALIBRATE", menu_calop },
{ MT_CALLBACK, "RESET", menu_cal2_cb },
{ MT_CALLBACK, "CORRECTION", menu_cal2_cb },
{ MT_CANCEL, "BACK", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
const menuitem_t menu_trace_op[] = {
{ MT_CALLBACK, "OFF", menu_trace_op_cb },
{ MT_CALLBACK, "SINGLE", menu_trace_op_cb },
{ MT_CANCEL, "BACK", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
const menuitem_t menu_trace[] = {
{ MT_CALLBACK, "TRACE 0", menu_trace_cb },
{ MT_CALLBACK, "TRACE 1", menu_trace_cb },
{ MT_CALLBACK, "TRACE 2", menu_trace_cb },
{ MT_CALLBACK, "TRACE 3", menu_trace_cb },
{ MT_CANCEL, "BACK", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
const menuitem_t menu_format2[] = {
{ MT_CALLBACK, "POLAR", menu_format2_cb },
{ MT_CALLBACK, "LINEAR", menu_format2_cb },
{ MT_CANCEL, "BACK", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
const menuitem_t menu_format[] = {
{ MT_CALLBACK, "LOGMAG", menu_format_cb },
{ MT_CALLBACK, "PHASE", menu_format_cb },
{ MT_CALLBACK, "DELAY", menu_format_cb },
{ MT_CALLBACK, "SMITH", menu_format_cb },
{ MT_CALLBACK, "SWR", menu_format_cb },
{ MT_SUBMENU, "MORE", menu_format2 },
//{ MT_CALLBACK, "LINEAR", menu_format_cb },
//{ MT_CALLBACK, "SWR", menu_format_cb },
{ MT_CANCEL, "BACK", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
const menuitem_t menu_scale[] = {
{ MT_CALLBACK, "SCALE/DIV", menu_scale_cb },
{ MT_CALLBACK, "\2REFERENCE\0POSITION", menu_scale_cb },
{ MT_CALLBACK, "\2ELECTRICAL\0DELAY", menu_scale_cb },
{ MT_CANCEL, "BACK", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
const menuitem_t menu_channel[] = {
{ MT_CALLBACK, "\2CH0\0REFLECT", menu_channel_cb },
{ MT_CALLBACK, "\2CH1\0THROUGH", menu_channel_cb },
{ MT_CANCEL, "BACK", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
const menuitem_t menu_display[] = {
{ MT_SUBMENU, "TRACE", menu_trace },
{ MT_SUBMENU, "FORMAT", menu_format },
{ MT_SUBMENU, "SCALE", menu_scale },
{ MT_SUBMENU, "CHANNEL", menu_channel },
{ MT_CANCEL, "BACK", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
const menuitem_t menu_stimulus[] = {
{ MT_CALLBACK, "START", menu_stimulus_cb },
{ MT_CALLBACK, "STOP", menu_stimulus_cb },
{ MT_CALLBACK, "CENTER", menu_stimulus_cb },
{ MT_CALLBACK, "SPAN", menu_stimulus_cb },
{ MT_CALLBACK, "CW FREQ", menu_stimulus_cb },
{ MT_CALLBACK, "\2PAUSE\0SWEEP", menu_stimulus_cb },
{ MT_CANCEL, "BACK", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
const menuitem_t menu_marker_sel[] = {
{ MT_CALLBACK, "MARKER 1", menu_marker_sel_cb },
{ MT_CALLBACK, "MARKER 2", menu_marker_sel_cb },
{ MT_CALLBACK, "MARKER 3", menu_marker_sel_cb },
{ MT_CALLBACK, "MARKER 4", menu_marker_sel_cb },
{ MT_CALLBACK, "ALL OFF", menu_marker_sel_cb },
{ MT_CANCEL, "BACK", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
const menuitem_t menu_marker[] = {
{ MT_SUBMENU, "\2SELECT\0MARKER", menu_marker_sel },
{ MT_CALLBACK, S_RARROW"START", menu_marker_op_cb },
{ MT_CALLBACK, S_RARROW"STOP", menu_marker_op_cb },
{ MT_CALLBACK, S_RARROW"CENTER", menu_marker_op_cb },
{ MT_CALLBACK, S_RARROW"SPAN", menu_marker_op_cb },
{ MT_CANCEL, "BACK", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
const menuitem_t menu_recall[] = {
{ MT_CALLBACK, "RECALL 0", menu_recall_cb },
{ MT_CALLBACK, "RECALL 1", menu_recall_cb },
{ MT_CALLBACK, "RECALL 2", menu_recall_cb },
{ MT_CALLBACK, "RECALL 3", menu_recall_cb },
{ MT_CALLBACK, "RECALL 4", menu_recall_cb },
{ MT_CANCEL, "BACK", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
const menuitem_t menu_recall_save[] = {
{ MT_SUBMENU, "RECALL", menu_recall },
{ MT_SUBMENU, "SAVE", menu_save },
{ MT_CANCEL, "BACK", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
const menuitem_t menu_top[] = {
{ MT_SUBMENU, "DISPLAY", menu_display },
{ MT_SUBMENU, "MARKER", menu_marker },
{ MT_SUBMENU, "STIMULUS", menu_stimulus },
{ MT_SUBMENU, "CAL", menu_cal },
{ MT_SUBMENU, "\2RECALL\0SAVE", menu_recall_save },
{ MT_CLOSE, "CLOSE", NULL },
{ MT_NONE, NULL, NULL } // sentinel
};
#define MENU_STACK_DEPTH_MAX 4
uint8_t menu_current_level = 0;
const menuitem_t *menu_stack[4] = {
menu_top, NULL, NULL, NULL
};
static void
ensure_selection(void)
{
const menuitem_t *menu = menu_stack[menu_current_level];
int i;
for (i = 0; menu[i].type != MT_NONE; i++)
;
if (selection >= i)
selection = i-1;
}
static void menu_move_back(void)
{
if (menu_current_level == 0)
return;
menu_current_level--;
ensure_selection();
erase_menu_buttons();
draw_menu();
}
static void menu_push_submenu(const menuitem_t *submenu)
{
if (menu_current_level < MENU_STACK_DEPTH_MAX-1)
menu_current_level++;
menu_stack[menu_current_level] = submenu;
ensure_selection();
erase_menu_buttons();
draw_menu();
}
/*
static void menu_move_top(void)
{
if (menu_current_level == 0)
return;
menu_current_level = 0;
ensure_selection();
erase_menu_buttons();
draw_menu();
}
*/
void menu_invoke(int item)
{
const menuitem_t *menu = menu_stack[menu_current_level];
menu = &menu[item];
switch (menu->type) {
case MT_NONE:
case MT_BLANK:
case MT_CLOSE:
ui_mode_normal();
break;
case MT_CANCEL:
menu_move_back();
break;
case MT_CALLBACK: {
menuaction_cb_t cb = (menuaction_cb_t)menu->reference;
if (cb == NULL)
return;
(*cb)(item);
break;
}
case MT_SUBMENU:
menu_push_submenu((const menuitem_t*)menu->reference);
break;
}
}
#define KP_X(x) (48*(x) + 2 + (320-64-192))
#define KP_Y(y) (48*(y) + 2)
#define KP_PERIOD 10
#define KP_MINUS 11
#define KP_X1 12
#define KP_K 13
#define KP_M 14
#define KP_G 15
#define KP_BS 16
#define KP_INF 17
#define KP_DB 18
typedef struct {
uint16_t x, y;
int8_t c;
} keypads_t;
const keypads_t *keypads;
uint8_t keypads_last_index;
const keypads_t keypads_freq[] = {
{ KP_X(1), KP_Y(3), KP_PERIOD },
{ KP_X(0), KP_Y(3), 0 },
{ KP_X(0), KP_Y(2), 1 },
{ KP_X(1), KP_Y(2), 2 },
{ KP_X(2), KP_Y(2), 3 },
{ KP_X(0), KP_Y(1), 4 },
{ KP_X(1), KP_Y(1), 5 },
{ KP_X(2), KP_Y(1), 6 },
{ KP_X(0), KP_Y(0), 7 },
{ KP_X(1), KP_Y(0), 8 },
{ KP_X(2), KP_Y(0), 9 },
{ KP_X(3), KP_Y(0), KP_G },
{ KP_X(3), KP_Y(1), KP_M },
{ KP_X(3), KP_Y(2), KP_K },
{ KP_X(3), KP_Y(3), KP_X1 },
{ KP_X(2), KP_Y(3), KP_BS },
{ 0, 0, -1 }
};
const keypads_t keypads_scale[] = {
{ KP_X(1), KP_Y(3), KP_PERIOD },
{ KP_X(0), KP_Y(3), 0 },
{ KP_X(0), KP_Y(2), 1 },
{ KP_X(1), KP_Y(2), 2 },
{ KP_X(2), KP_Y(2), 3 },
{ KP_X(0), KP_Y(1), 4 },
{ KP_X(1), KP_Y(1), 5 },
{ KP_X(2), KP_Y(1), 6 },
{ KP_X(0), KP_Y(0), 7 },