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Touch pad name interface

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This commit is contained in:
whowechina 2024-04-05 16:05:56 +08:00
parent c026cee40a
commit 361d0315c1
3 changed files with 36 additions and 15 deletions
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2
firmware/src/mpr121.h
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@ -7,6 +7,8 @@
#ifndef MP121_H #ifndef MP121_H
#define MP121_H #define MP121_H
#define MPR121_BASE_ADDR 0x5A
void mpr121_init(uint8_t addr); void mpr121_init(uint8_t addr);
uint16_t mpr121_touched(uint8_t addr); uint16_t mpr121_touched(uint8_t addr);

36
firmware/src/touch.c
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@ -20,8 +20,6 @@
#include "config.h" #include "config.h"
#include "mpr121.h" #include "mpr121.h"
#define MPR121_ADDR 0x5A
static uint16_t touch[3]; static uint16_t touch[3];
static unsigned touch_counts[36]; static unsigned touch_counts[36];
@ -36,12 +34,27 @@ void touch_init()
gpio_pull_up(I2C_SCL); gpio_pull_up(I2C_SCL);
for (int m = 0; m < 3; m++) { for (int m = 0; m < 3; m++) {
mpr121_init(MPR121_ADDR + m); mpr121_init(MPR121_BASE_ADDR + m);
} }
touch_update_config(); touch_update_config();
memcpy(touch_map, mai_cfg->alt.touch, sizeof(touch_map)); memcpy(touch_map, mai_cfg->alt.touch, sizeof(touch_map));
} }
const char *touch_pad_name(unsigned i)
{
static char name[3] = { 0 };
if (i < 18) {
name[0] = "ABC"[i / 8];
name[1] = '1' + i % 8;
} else if (i < 34) {
name[0] = "DE"[(i - 18) / 8];
name[1] = '1' + (i - 18) % 8;
} else {
return "XX";
}
return name;
}
static uint64_t touch_reading; static uint64_t touch_reading;
static void remap_reading() static void remap_reading()
@ -73,9 +86,9 @@ static void touch_stat()
void touch_update() void touch_update()
{ {
touch[0] = mpr121_touched(MPR121_ADDR) & 0x0fff; touch[0] = mpr121_touched(MPR121_BASE_ADDR) & 0x0fff;
touch[1] = mpr121_touched(MPR121_ADDR + 1) & 0x0fff; touch[1] = mpr121_touched(MPR121_BASE_ADDR + 1) & 0x0fff;
touch[2] = mpr121_touched(MPR121_ADDR + 2) & 0x0fff; touch[2] = mpr121_touched(MPR121_BASE_ADDR + 2) & 0x0fff;
remap_reading(); remap_reading();
@ -97,7 +110,7 @@ const uint16_t *touch_raw()
uint16_t buf[36]; uint16_t buf[36];
for (int i = 0; i < 3; i++) { for (int i = 0; i < 3; i++) {
sensor_ok[i] = mpr121_raw(MPR121_ADDR + i, buf + i * 12, 12); sensor_ok[i] = mpr121_raw(MPR121_BASE_ADDR + i, buf + i * 12, 12);
} }
for (int i = 0; i < 34; i++) { for (int i = 0; i < 34; i++) {
@ -135,12 +148,15 @@ void touch_reset_stat()
void touch_update_config() void touch_update_config()
{ {
for (int m = 0; m < 3; m++) { for (int m = 0; m < 3; m++) {
mpr121_debounce(MPR121_ADDR + m, mai_cfg->sense.debounce_touch, mpr121_debounce(MPR121_BASE_ADDR + m,
mai_cfg->sense.debounce_touch,
mai_cfg->sense.debounce_release); mai_cfg->sense.debounce_release);
mpr121_sense(MPR121_ADDR + m, mai_cfg->sense.global, mpr121_sense(MPR121_BASE_ADDR + m,
mai_cfg->sense.global,
mai_cfg->sense.zones + m * 12, mai_cfg->sense.zones + m * 12,
m != 2 ? 12 : 10); m != 2 ? 12 : 10);
mpr121_filter(MPR121_ADDR + m, mai_cfg->sense.filter >> 6, mpr121_filter(MPR121_BASE_ADDR + m,
mai_cfg->sense.filter >> 6,
(mai_cfg->sense.filter >> 4) & 0x03, (mai_cfg->sense.filter >> 4) & 0x03,
mai_cfg->sense.filter & 0x07); mai_cfg->sense.filter & 0x07);
} }

3
firmware/src/touch.h
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@ -14,8 +14,11 @@ enum touch_pads {
B1, B2, B3, B4, B5, B6, B7, B8, B1, B2, B3, B4, B5, B6, B7, B8,
C1, C2, D1, D2, D3, D4, D5, D6, D7, D8, C1, C2, D1, D2, D3, D4, D5, D6, D7, D8,
E1, E2, E3, E4, E5, E6, E7, E8, E1, E2, E3, E4, E5, E6, E7, E8,
XX = 255
}; };
const char *touch_pad_name(unsigned i);
void touch_init(); void touch_init();
void touch_update(); void touch_update();
bool touch_touched(unsigned key); bool touch_touched(unsigned key);