esphome:
name: epaper-feeder
friendly_name: ePaper-feeder
esp32:
board: esp32-c3-devkitm-1
framework:
type: esp-idf
# Enable logging
logger:
# Enable Home Assistant API
api:
encryption:
key: "JYWHpAQ5Ow52vE67jS05EucTYTXaAr7/Q5iWKHgjF0s="
ota:
- platform: esphome
password: "6cf194616fb172a27af2a245a2ef3a63"
wifi:
ssid: !secret wifi_ssid
password: !secret wifi_password
# Enable fallback hotspot (captive portal) in case wifi connection fails
ap:
ssid: "Epaper-Feeder Fallback Hotspot"
password: "JCTUr6xrDaGs"
captive_portal:
# ========= 传感器：从 HA 拉取三个值（把 entity_id 换成你的）=========
sensor:
- platform: homeassistant
id: s_fill
entity_id: sensor.seeed_feeder_feeder_fill_pct
internal: true
on_value: [ script.execute: refresh_epd ]
- platform: homeassistant
id: s_temp
entity_id: sensor.seeed_feeder_feeder_temp_c
internal: true
on_value: [ script.execute: refresh_epd ]
- platform: homeassistant
id: s_rh
entity_id: sensor.seeed_feeder_feeder_rh
internal: true
on_value: [ script.execute: refresh_epd ]
# 同步 HA 时间（可选，仅用来显示“Updated …”）
time:
- platform: homeassistant
id: ha_time
# 字体
font:
- file: "gfonts://Inter@900"
id: f_title
size: 60
- file: "gfonts://Inter@700"
id: f_label
size: 38
# 数值：百分比用更粗更大
- file: "gfonts://Inter@800"
id: f_value_pct
size: 72
# 数值：温度主体稍小，避免撞圈
- file: "gfonts://Inter@800"
id: f_value_temp
size: 64
- file: "gfonts://Inter@700"
id: f_unit_c # C 的字号
size: 36
- file: "gfonts://Inter@700"
id: f_unit_deg # ° 更小，做上标
size: 24
# 图片（放到 /config/esphome/images/）
image:
- file: /config/esphome/image/cat1.png
id: icon_cat
type: BINARY
resize: 56x56
# 刷屏脚本：对 on_value / 连接等触发做轻微节流
script:
- id: refresh_epd
mode: restart
then:
- delay: 150ms
- component.update: epd
# SPI（按 XIAO ePaper 板载连法）
spi:
clk_pin: GPIO8
mosi_pin: GPIO10
# 显示（7.5" ePaper）
display:
- platform: waveshare_epaper
id: epd
cs_pin: GPIO3
dc_pin: GPIO5
reset_pin: GPIO2
busy_pin:
number: GPIO4
inverted: true
model: 7.50inv2p # ★若出现黑底白字，则保持此行；若颜色相反，把 BG/INK 两行对调并把型号改为 7.50inv2 或 7.50inV2
rotation: 0°
update_interval: 30s
lambda: |-
// ===== 颜色策略（inv2p 反色：代码黑底白字 → 视觉白底黑字）=====
const auto BG = Color::BLACK; // 非反色面板改为 Color::WHITE
const auto INK = Color::WHITE; // 非反色面板改为 Color::BLACK
const int W = 800, H = 480;
it.fill(BG);
// ===== 顶部：左右猫头 + 居中标题 =====
const int CAT_W = 56, CAT_H = 56;
it.image(28, 20, id(icon_cat)); // 左猫头
it.image(W - 28 - CAT_W, 20, id(icon_cat)); // 右猫头
it.printf(W/2, 22, id(f_title), INK, TextAlign::TOP_CENTER, "XIXI & DIDI's HOME");
// ===== 三列布局参数 =====
const int CY = 320; // 圆心 Y
const int R = 112; // 外半径（略放大）
const int T = 22; // 圆环厚度
const int CX1 = 150; // Feeder
const int CX2 = 400; // Temperature
const int CX3 = 650; // Humidity
// 标题（圆上方）
it.printf(CX1, 150, id(f_label), INK, TextAlign::TOP_CENTER, "Feeder");
it.printf(CX2, 150, id(f_label), INK, TextAlign::TOP_CENTER, "Temperature");
it.printf(CX3, 150, id(f_label), INK, TextAlign::TOP_CENTER, "Humidity");
// 画粗圆环：外圆填 INK，再用 BG 挖内圆
auto draw_ring = [&](int cx, int cy, int r, int thick){
it.filled_circle(cx, cy, r, INK);
it.filled_circle(cx, cy, r - thick, BG);
};
draw_ring(CX1, CY, R, T);
draw_ring(CX2, CY, R, T);
draw_ring(CX3, CY, R, T);
// ===== 圆心数值 =====
char buf[16];
// Feeder（%）
if (isnan(id(s_fill).state)) snprintf(buf, sizeof(buf), "--");
else snprintf(buf, sizeof(buf), "%.0f%%", id(s_fill).state);
it.printf(CX1, CY, id(f_value_pct), INK, TextAlign::CENTER, "%s", buf);
// ===== Temperature：数值居中 + “°C”组合单位（不撞圈）=====
const int inner = R - T; // 内圆半径
char tnum[12];
if (isnan(id(s_temp).state)) snprintf(tnum, sizeof(tnum), "--");
else snprintf(tnum, sizeof(tnum), "%.1f", id(s_temp).state);
// 1) 数值居中
it.printf(CX2, CY + 2, id(f_value_temp), INK, TextAlign::CENTER, "%s", tnum);
// 2) 单位两字符叠放（Inter 有°，没有℃）
const int ux = CX2 + int(inner * 0.58f);
const int uy = CY - int(inner * 0.28f);
const int dx = 12; // ° 到 C 的水平距离（10~14 可微调）
it.printf(ux, uy - 5, id(f_unit_deg), INK, TextAlign::CENTER, "\xC2\xB0"); // 小一号的 °
it.printf(ux + dx, uy + 1, id(f_unit_c), INK, TextAlign::CENTER_LEFT, "C"); // C
// Humidity（%）
if (isnan(id(s_rh).state)) snprintf(buf, sizeof(buf), "--");
else snprintf(buf, sizeof(buf), "%.0f%%", id(s_rh).state);
it.printf(CX3, CY, id(f_value_pct), INK, TextAlign::CENTER, "%s", buf);
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