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Code Issues Releases Wiki Activity

Support for AM43 BLE blind motors (#1744)

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Co-authored-by: Ben Buxton <bb@cactii.net>
Co-authored-by: Otto Winter <otto@otto-winter.com>
Co-authored-by: Stefan Agner <stefan@agner.ch>
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Co-authored-by: René Klomp <rene@klomp.ws>
Co-authored-by: Oxan van Leeuwen <oxan@oxanvanleeuwen.nl>
Co-authored-by: Geoff Davis <geoff@geoffdavis.com>
Co-authored-by: Paulus Schoutsen <paulus@home-assistant.io>
Co-authored-by: dentra <dentra@users.noreply.github.com>
Co-authored-by: Guillermo Ruffino <glm.net@gmail.com>
Co-authored-by: Franck Nijhof <frenck@frenck.nl>
Co-authored-by: Barry Loong <loongyh@users.noreply.github.com>
Co-authored-by: Sergey V. DUDANOV <sergey.dudanov@gmail.com>
Co-authored-by: Balazs Scheidler <bazsi77@gmail.com>
This commit is contained in:
buxtronix
2021-08-11 14:07:10 +10:00
committed by GitHub
parent e5366dbbe7
commit 947c104eff
12 changed files with 663 additions and 1 deletions
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142
esphome/components/am43/am43_base.cpp Normal file
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#include "am43_base.h"
namespace esphome {
namespace am43 {
const uint8_t START_PACKET[5] = {0x00, 0xff, 0x00, 0x00, 0x9a};
std::string pkt_to_hex(const uint8_t *data, uint16_t len) {
char buf[64];
memset(buf, 0, 64);
for (int i = 0; i < len; i++)
sprintf(&buf[i * 2], "%02x", data[i]);
std::string ret = buf;
return ret;
}
Am43Packet *Am43Encoder::get_battery_level_request() {
uint8_t data = 0x1;
return this->encode_(0xA2, &data, 1);
}
Am43Packet *Am43Encoder::get_light_level_request() {
uint8_t data = 0x1;
return this->encode_(0xAA, &data, 1);
}
Am43Packet *Am43Encoder::get_position_request() {
uint8_t data = 0x1;
return this->encode_(CMD_GET_POSITION, &data, 1);
}
Am43Packet *Am43Encoder::get_send_pin_request(uint16_t pin) {
uint8_t data[2];
data[0] = (pin & 0xFF00) >> 8;
data[1] = pin & 0xFF;
return this->encode_(CMD_SEND_PIN, data, 2);
}
Am43Packet *Am43Encoder::get_open_request() {
uint8_t data = 0xDD;
return this->encode_(CMD_SET_STATE, &data, 1);
}
Am43Packet *Am43Encoder::get_close_request() {
uint8_t data = 0xEE;
return this->encode_(CMD_SET_STATE, &data, 1);
}
Am43Packet *Am43Encoder::get_stop_request() {
uint8_t data = 0xCC;
return this->encode_(CMD_SET_STATE, &data, 1);
}
Am43Packet *Am43Encoder::get_set_position_request(uint8_t position) {
return this->encode_(CMD_SET_POSITION, &position, 1);
}
void Am43Encoder::checksum_() {
uint8_t checksum = 0;
int i = 0;
for (i = 0; i < this->packet_.length; i++)
checksum = checksum ^ this->packet_.data[i];
this->packet_.data[i] = checksum ^ 0xff;
this->packet_.length++;
}
Am43Packet *Am43Encoder::encode_(uint8_t command, uint8_t *data, uint8_t length) {
memcpy(this->packet_.data, START_PACKET, 5);
this->packet_.data[5] = command;
this->packet_.data[6] = length;
memcpy(&this->packet_.data[7], data, length);
this->packet_.length = length + 7;
this->checksum_();
ESP_LOGV("am43", "ENC(%d): 0x%s", packet_.length, pkt_to_hex(packet_.data, packet_.length).c_str());
return &this->packet_;
}
#define VERIFY_MIN_LENGTH(x) \
if (length < (x)) \
return;
void Am43Decoder::decode(const uint8_t *data, uint16_t length) {
this->has_battery_level_ = false;
this->has_light_level_ = false;
this->has_set_position_response_ = false;
this->has_set_state_response_ = false;
this->has_position_ = false;
this->has_pin_response_ = false;
ESP_LOGV("am43", "DEC(%d): 0x%s", length, pkt_to_hex(data, length).c_str());
if (length < 2 || data[0] != 0x9a)
return;
switch (data[1]) {
case CMD_GET_BATTERY_LEVEL: {
VERIFY_MIN_LENGTH(8);
this->battery_level_ = data[7];
this->has_battery_level_ = true;
break;
}
case CMD_GET_LIGHT_LEVEL: {
VERIFY_MIN_LENGTH(5);
this->light_level_ = 100 * ((float) data[4] / 9);
this->has_light_level_ = true;
break;
}
case CMD_GET_POSITION: {
VERIFY_MIN_LENGTH(6);
this->position_ = data[5];
this->has_position_ = true;
break;
}
case CMD_NOTIFY_POSITION: {
VERIFY_MIN_LENGTH(5);
this->position_ = data[4];
this->has_position_ = true;
break;
}
case CMD_SEND_PIN: {
VERIFY_MIN_LENGTH(4);
this->pin_ok_ = data[3] == RESPONSE_ACK;
this->has_pin_response_ = true;
break;
}
case CMD_SET_POSITION: {
VERIFY_MIN_LENGTH(4);
this->set_position_ok_ = data[3] == RESPONSE_ACK;
this->has_set_position_response_ = true;
break;
}
case CMD_SET_STATE: {
VERIFY_MIN_LENGTH(4);
this->set_state_ok_ = data[3] == RESPONSE_ACK;
this->has_set_state_response_ = true;
break;
}
default:
break;
}
};
} // namespace am43
} // namespace esphome