Mpr121 added debounce and thresholds config (#558)

* fixed code issues from previous PR

* travis line to long

* travis

* more travis

* Update esphome/components/mpr121/mpr121.h

Co-Authored-By: Otto Winter <otto@otto-winter.com>

* fixed issues

* fixed issues

* fixes remove duplicate line
remove threshold settings

* fixed touch release thresholds mixup
This commit is contained in:
Michiel van Turnhout 2019-05-28 20:39:20 +02:00 committed by Otto Winter
parent 2570f2d6f2
commit 9e56318498
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GPG key ID: DB66C0BE6013F97E
4 changed files with 56 additions and 6 deletions

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@ -3,6 +3,11 @@ import esphome.config_validation as cv
from esphome.components import i2c from esphome.components import i2c
from esphome.const import CONF_ID from esphome.const import CONF_ID
CONF_TOUCH_THRESHOLD = "touch_threshold"
CONF_RELEASE_THRESHOLD = "release_threshold"
CONF_TOUCH_DEBOUNCE = "touch_debounce"
CONF_RELEASE_DEBOUNCE = "release_debounce"
DEPENDENCIES = ['i2c'] DEPENDENCIES = ['i2c']
AUTO_LOAD = ['binary_sensor'] AUTO_LOAD = ['binary_sensor']
@ -13,10 +18,18 @@ MPR121Component = mpr121_ns.class_('MPR121Component', cg.Component, i2c.I2CDevic
MULTI_CONF = True MULTI_CONF = True
CONFIG_SCHEMA = cv.Schema({ CONFIG_SCHEMA = cv.Schema({
cv.GenerateID(): cv.declare_id(MPR121Component), cv.GenerateID(): cv.declare_id(MPR121Component),
cv.Optional(CONF_RELEASE_DEBOUNCE, default=0): cv.int_range(min=0, max=7),
cv.Optional(CONF_TOUCH_DEBOUNCE, default=0): cv.int_range(min=0, max=7),
cv.Optional(CONF_TOUCH_THRESHOLD, default=0x0b): cv.int_range(min=0x05, max=0x30),
cv.Optional(CONF_RELEASE_THRESHOLD, default=0x06): cv.int_range(min=0x05, max=0x30),
}).extend(cv.COMPONENT_SCHEMA).extend(i2c.i2c_device_schema(0x5A)) }).extend(cv.COMPONENT_SCHEMA).extend(i2c.i2c_device_schema(0x5A))
def to_code(config): def to_code(config):
var = cg.new_Pvariable(config[CONF_ID]) var = cg.new_Pvariable(config[CONF_ID])
cg.add(var.set_touch_debounce(config[CONF_TOUCH_DEBOUNCE]))
cg.add(var.set_release_debounce(config[CONF_RELEASE_DEBOUNCE]))
cg.add(var.set_touch_threshold(config[CONF_TOUCH_THRESHOLD]))
cg.add(var.set_release_threshold(config[CONF_RELEASE_THRESHOLD]))
yield cg.register_component(var, config) yield cg.register_component(var, config)
yield i2c.register_i2c_device(var, config) yield i2c.register_i2c_device(var, config)

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@ -2,7 +2,8 @@ import esphome.codegen as cg
import esphome.config_validation as cv import esphome.config_validation as cv
from esphome.components import binary_sensor from esphome.components import binary_sensor
from esphome.const import CONF_CHANNEL, CONF_ID from esphome.const import CONF_CHANNEL, CONF_ID
from . import mpr121_ns, MPR121Component, CONF_MPR121_ID from . import mpr121_ns, MPR121Component, CONF_MPR121_ID, CONF_TOUCH_THRESHOLD, \
CONF_RELEASE_THRESHOLD
DEPENDENCIES = ['mpr121'] DEPENDENCIES = ['mpr121']
MPR121Channel = mpr121_ns.class_('MPR121Channel', binary_sensor.BinarySensor) MPR121Channel = mpr121_ns.class_('MPR121Channel', binary_sensor.BinarySensor)
@ -11,14 +12,20 @@ CONFIG_SCHEMA = binary_sensor.BINARY_SENSOR_SCHEMA.extend({
cv.GenerateID(): cv.declare_id(MPR121Channel), cv.GenerateID(): cv.declare_id(MPR121Channel),
cv.GenerateID(CONF_MPR121_ID): cv.use_id(MPR121Component), cv.GenerateID(CONF_MPR121_ID): cv.use_id(MPR121Component),
cv.Required(CONF_CHANNEL): cv.int_range(min=0, max=11), cv.Required(CONF_CHANNEL): cv.int_range(min=0, max=11),
cv.Optional(CONF_TOUCH_THRESHOLD): cv.int_range(min=0x05, max=0x30),
cv.Optional(CONF_RELEASE_THRESHOLD): cv.int_range(min=0x05, max=0x30),
}) })
def to_code(config): def to_code(config):
var = cg.new_Pvariable(config[CONF_ID]) var = cg.new_Pvariable(config[CONF_ID])
yield binary_sensor.register_binary_sensor(var, config) yield binary_sensor.register_binary_sensor(var, config)
hub = yield cg.get_variable(config[CONF_MPR121_ID])
cg.add(var.set_channel(config[CONF_CHANNEL])) cg.add(var.set_channel(config[CONF_CHANNEL]))
hub = yield cg.get_variable(config[CONF_MPR121_ID]) if CONF_TOUCH_THRESHOLD in config:
cg.add(var.set_touch_threshold(config[CONF_TOUCH_THRESHOLD]))
if CONF_RELEASE_THRESHOLD in config:
cg.add(var.set_release_threshold(config[CONF_RELEASE_THRESHOLD]))
cg.add(hub.register_channel(var)) cg.add(hub.register_channel(var))

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@ -18,9 +18,11 @@ void MPR121Component::setup() {
} }
// set touch sensitivity for all 12 channels // set touch sensitivity for all 12 channels
for (uint8_t i = 0; i < 12; i++) { for (auto *channel : this->channels_) {
this->write_byte(MPR121_TOUCHTH_0 + 2 * i, 12); this->write_byte(MPR121_TOUCHTH_0 + 2 * channel->channel_,
this->write_byte(MPR121_RELEASETH_0 + 2 * i, 6); channel->touch_threshold_.value_or(this->touch_threshold_));
this->write_byte(MPR121_RELEASETH_0 + 2 * channel->channel_,
channel->release_threshold_.value_or(this->release_threshold_));
} }
this->write_byte(MPR121_MHDR, 0x01); this->write_byte(MPR121_MHDR, 0x01);
this->write_byte(MPR121_NHDR, 0x01); this->write_byte(MPR121_NHDR, 0x01);
@ -44,6 +46,19 @@ void MPR121Component::setup() {
// start with first 5 bits of baseline tracking // start with first 5 bits of baseline tracking
this->write_byte(MPR121_ECR, 0x8F); this->write_byte(MPR121_ECR, 0x8F);
} }
void MPR121Component::set_touch_debounce(uint8_t debounce) {
uint8_t mask = debounce << 4;
this->debounce_ &= 0x0f;
this->debounce_ |= mask;
}
void MPR121Component::set_release_debounce(uint8_t debounce) {
uint8_t mask = debounce & 0x0f;
this->debounce_ &= 0xf0;
this->debounce_ |= mask;
};
void MPR121Component::dump_config() { void MPR121Component::dump_config() {
ESP_LOGCONFIG(TAG, "MPR121:"); ESP_LOGCONFIG(TAG, "MPR121:");
LOG_I2C_DEVICE(this); LOG_I2C_DEVICE(this);

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@ -46,17 +46,29 @@ enum {
}; };
class MPR121Channel : public binary_sensor::BinarySensor { class MPR121Channel : public binary_sensor::BinarySensor {
friend class MPR121Component;
public: public:
void set_channel(uint8_t channel) { channel_ = channel; } void set_channel(uint8_t channel) { channel_ = channel; }
void process(uint16_t data) { this->publish_state(static_cast<bool>(data & (1 << this->channel_))); } void process(uint16_t data) { this->publish_state(static_cast<bool>(data & (1 << this->channel_))); }
void set_touch_threshold(uint8_t touch_threshold) { this->touch_threshold_ = touch_threshold; };
void set_release_threshold(uint8_t release_threshold) { this->release_threshold_ = release_threshold; };
protected: protected:
uint8_t channel_{0}; uint8_t channel_{0};
optional<uint8_t> touch_threshold_{};
optional<uint8_t> release_threshold_{};
}; };
class MPR121Component : public Component, public i2c::I2CDevice { class MPR121Component : public Component, public i2c::I2CDevice {
public: public:
void register_channel(MPR121Channel *channel) { this->channels_.push_back(channel); } void register_channel(MPR121Channel *channel) { this->channels_.push_back(channel); }
void set_touch_debounce(uint8_t debounce);
void set_release_debounce(uint8_t debounce);
void set_touch_threshold(uint8_t touch_threshold) { this->touch_threshold_ = touch_threshold; };
void set_release_threshold(uint8_t release_threshold) { this->release_threshold_ = release_threshold; };
uint8_t get_touch_threshold() { return this->touch_threshold_; };
uint8_t get_release_threshold() { return this->release_threshold_; };
void setup() override; void setup() override;
void dump_config() override; void dump_config() override;
float get_setup_priority() const override { return setup_priority::DATA; } float get_setup_priority() const override { return setup_priority::DATA; }
@ -64,6 +76,9 @@ class MPR121Component : public Component, public i2c::I2CDevice {
protected: protected:
std::vector<MPR121Channel *> channels_{}; std::vector<MPR121Channel *> channels_{};
uint8_t debounce_{0};
uint8_t touch_threshold_{};
uint8_t release_threshold_{};
enum ErrorCode { enum ErrorCode {
NONE = 0, NONE = 0,
COMMUNICATION_FAILED, COMMUNICATION_FAILED,