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Rocka84
2024-01-08 22:30:27 +01:00
commit 12444cb537
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components/jiecang_desk_controller/jiecang_desk_controller.cpp Normal file
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#include "jiecang_desk_controller.h"
#include "esphome/core/log.h"
namespace esphome {
namespace jiecang_desk_controller {
static const char *const TAG = "jiecang_desk_controller";
float JiecangDeskController::byte2float(int high, int low) {
return static_cast<float>((high<<8) + low)/10;
}
bool JiecangDeskController::bufferMessage(int data, unsigned int *buffer, int len) {
// This is a very simple method of receiving messages from the desk.
// It will fail on messages that contain the value 0x7E in their payload.
// But it is super simple and works for the messages we care about.
// format: 0xF2 0xF2 [command] [param_count] [[param] ...] [checksum] 0x7E
// checksum: sum of [command], [param_count] and all [param]s
static int cmd_incoming = 0; // 0: wait for F2, 1: wait for 2nd F2, 2: buffer data
static int pos = 0;
if (cmd_incoming < 2 && data == 0xF2) { // start of message, must appear twice
cmd_incoming++;
pos = 0;
} else if (cmd_incoming == 1) { // no second F2 received
cmd_incoming = 0;
} else if (cmd_incoming == 2) {
if (data == 0x7E) { // end of message
cmd_incoming = 0;
for (;pos<len-1;pos++) { // fill rest of buffer with zeros
buffer[pos]=0;
}
return true;
} else if (pos >= len) { // message too long, drop it
cmd_incoming = 0;
} else {
buffer[pos++] = data; // buffer data
}
} // else: received garbage
return false;
}
void JiecangDeskController::handleMessage(unsigned int *message) {
// ESP_LOGV("jiecang_desk_controller", "message %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X", message[0], message[1], message[2], message[3], message[4], message[5], message[6], message[7], message[8], message[9]);
switch (message[0]) {
case 0x01:
ESP_LOGV("jiecang_desk_controller", "height 0x%0X%0X", message[2], message[3]);
if (height != nullptr) height->publish_state(byte2float(message[2], message[3]));
if (height_pct != nullptr)
height_pct->publish_state((height->state - height_min->state) / (height_max->state - height_min->state) * 100);
break;
case 0x0e:
ESP_LOGV("jiecang_desk_controller", "unit 0x%0X", message[2]);
if (unit != nullptr) unit->publish_state(message[2]);
break;
case 0x20:
ESP_LOGV("jiecang_desk_controller", "limits 0x%0X max %i min %i", message[2], (message[2] & 1), (message[2]>>4));
if (height_min != nullptr && (message[2] & 1) == 0) { // low nibble 0 -> no max limit, use physical_max
height_max->publish_state(physical_max);
}
if (height_max != nullptr && (message[2]>>4) == 0) { // high nibble 0 -> no min limit, use physical_min
height_min->publish_state(physical_min);
}
break;
case 0x07:
ESP_LOGV("jiecang_desk_controller", "physical limits 0x%02X%02X 0x%02X%02X", message[2], message[3], message[4], message[5]);
physical_max = byte2float(message[2], message[3]);
physical_min = byte2float(message[4], message[5]);
break;
case 0x21:
ESP_LOGV("jiecang_desk_controller", "height_max 0x%02X%02X", message[2], message[3]);
if (height_max != nullptr) height_max->publish_state(byte2float(message[2], message[3]));
break;
case 0x22:
ESP_LOGV("jiecang_desk_controller", "height_min 0x%02X%02X", message[2], message[3]);
if (height_min != nullptr) height_min->publish_state(byte2float(message[2], message[3]));
break;
case 0x25:
ESP_LOGV("jiecang_desk_controller", "position1 0x%02X%02X", message[2], message[3]);
if (position1 != nullptr) position1->publish_state(byte2float(message[2], message[3]));
break;
case 0x26:
ESP_LOGV("jiecang_desk_controller", "position2 0x%02X%02X", message[2], message[3]);
if (position2 != nullptr) position2->publish_state(byte2float(message[2], message[3]));
break;
case 0x27:
ESP_LOGV("jiecang_desk_controller", "position3 0x%02X%02X", message[2], message[3]);
if (position3 != nullptr) position3->publish_state(byte2float(message[2], message[3]));
break;
case 0x28:
ESP_LOGV("jiecang_desk_controller", "position4 0x%02X%02X", message[2], message[3]);
if (position4 != nullptr) position4->publish_state(byte2float(message[2], message[3]));
break;
default:
ESP_LOGV("jiecang_desk_controller", "unknown message %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X", message[0], message[1], message[2], message[3], message[4], message[5], message[6], message[7], message[8], message[9]);
}
}
void JiecangDeskController::update() {
const int max_length = 10;
static unsigned int buffer[max_length];
while (available()) {
if(bufferMessage(read(), buffer, max_length)) {
handleMessage(buffer);
}
}
}
void JiecangDeskController::send_simple_command(unsigned char cmd) {
write_array({ 0xF1, 0xF1, cmd, 0x00, cmd, 0x7E });
}
void JiecangDeskController::add_button(button::Button *btn, int action) {
btn->add_on_press_callback([this, action]() { this->button_press_action(action); });
}
void JiecangDeskController::raise() {
send_simple_command(0x01);
}
void JiecangDeskController::lower() {
send_simple_command(0x02);
}
void JiecangDeskController::goto_position(int pos) {
switch (pos) {
case 1:
send_simple_command(0x05);
break;
case 2:
send_simple_command(0x06);
break;
case 3:
send_simple_command(0x27);
break;
case 4:
send_simple_command(0x28);
break;
}
}
void JiecangDeskController::request_physical_limits() {
send_simple_command(0x0C);
}
void JiecangDeskController::request_limits() {
send_simple_command(0x20);
}
void JiecangDeskController::request_settings() {
send_simple_command(0x07);
}
void JiecangDeskController::button_press_action(int action) {
ESP_LOGV("JiecangDeskController", "button_press_action %i", action);
switch (action) {
case BUTTON_RAISE:
raise();
break;
case BUTTON_LOWER:
lower();
break;
case BUTTON_POSITION1:
goto_position(1);
break;
case BUTTON_POSITION2:
goto_position(2);
break;
case BUTTON_POSITION3:
goto_position(3);
break;
case BUTTON_POSITION4:
goto_position(4);
break;
}
}
void JiecangDeskButton::press_action() {}
} //namespace jiecang_desk_controller
} //namespace esphome