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Tasmota/tasmota/tasmota_xdrv_driver/xdrv_88_esp32_shelly_pro.ino

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/*
xdrv_88_esp32_shelly_pro.ino - Shelly pro family support for Tasmota
Copyright (C) 2022 Theo Arends
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef ESP32
#ifdef USE_SPI
#ifdef USE_MCP23XXX_DRV
#ifdef USE_SHELLY_PRO
/*********************************************************************************************\
* Shelly Pro support
*
* {"NAME":"Shelly Pro 1","GPIO":[0,1,0,1,768,0,0,0,672,704,736,0,0,0,5600,6214,0,0,0,5568,0,0,0,0,0,0,0,0,0,0,0,32,4736,0,160,0],"FLAG":0,"BASE":1,"CMND":"AdcParam1 2,5600,4700,3350"}
* {"NAME":"Shelly Pro 1PM","GPIO":[9568,1,9472,1,768,0,0,0,672,704,736,0,0,0,5600,6214,0,0,0,5568,0,0,0,0,0,0,0,0,3459,0,0,32,4736,0,160,0],"FLAG":0,"BASE":1,"CMND":"AdcParam1 2,5600,4700,3350"}
* {"NAME":"Shelly Pro 2","GPIO":[0,1,0,1,768,0,0,0,672,704,736,0,0,0,5600,6214,0,0,0,5568,0,0,0,0,0,0,0,0,0,0,0,32,4736,4737,160,161],"FLAG":0,"BASE":1,"CMND":"AdcParam1 2,5600,4700,3350;AdcParam2 2,5600,4700,3350"}
* {"NAME":"Shelly Pro 2PM","GPIO":[9568,1,9472,1,768,0,0,0,672,704,736,9569,0,0,5600,6214,0,0,0,5568,0,0,0,0,0,0,0,0,3460,0,0,32,4736,4737,160,161],"FLAG":0,"BASE":1,"CMND":"AdcParam1 2,5600,4700,3350;AdcParam2 2,5600,4700,3350"}
* {"NAME":"Shelly Pro 4PM","GPIO":[0,6210,0,6214,9568,0,0,0,0,0,9569,0,10272,0,5600,0,0,0,0,5568,0,0,0,0,0,0,0,0,736,704,3461,10240,4736,0,0,672],"FLAG":0,"BASE":1,"CMND":"AdcParam1 2,5600,4700,3350;rule3 on file#mcp23x.dat do {\"NAME\":\"MCP23S17 Shelly Pro 4PM\",\"GPIO\":[194,193,65,66,3840,64,192,0,224,0,0,0,227,225,226,195]} endon"}
*
* Shelly Pro 1/2 uses SPI to control one 74HC595 for relays/leds and one ADE7953 (1PM) or two ADE7953 (2PM) for energy monitoring
* Shelly Pro 4 uses an SPI to control one MCP23S17 for buttons/switches/relays/leds and two ADE7953 for energy monitoring and a second SPI for the display
* To use display enable defines USE_DISPLAY, USE_UNIVERSAL_DISPLAY and SHOW_SPLASH. Load file ST7735S_Pro4PM_display.ini as display.ini
\*********************************************************************************************/
#define XDRV_88 88
#define SHELLY_PRO_PIN_LAN8720_RESET 5
struct SPro {
uint32_t last_update;
uint16_t input_state;
int8_t switch_offset;
int8_t button_offset;
uint8_t pin_register_cs;
uint8_t ledlink;
uint8_t power;
bool init_done;
uint8_t detected;
} SPro;
/*********************************************************************************************\
* Shelly Pro 4
\*********************************************************************************************/
void ShellyPro4Init(void) {
/*
Shelly Pro 4PM MCP23S17 registers
bit 0 = input, inverted - Switch3
bit 1 = input, inverted - Switch2
bit 2 = input - Button Down
bit 3 = input - Button OK
bit 4 = output - Reset, display, ADE7953
bit 5 = input - Button Up
bit 6 = input, inverted - Switch1
bit 7
bit 8 = output - Relay O1
bit 9
bit 10
bit 11
bit 12 = output - Relay O4
bit 13 = output - Relay O2
bit 14 = output - Relay O3
bit 15 = input, inverted - Switch4
*/
}
void ShellyPro4Reset(void) {
MCP23xPinMode(4, OUTPUT); // Safeguard as also performed by MCP23x.dat template as Output_Hi
MCP23xDigitalWrite(4, 0); // Reset pin display, ADE7953
delay(1); // To initiate a hardware reset, this pin must be brought low for a minimum of 10 μs.
MCP23xDigitalWrite(4, 1);
}
bool ShellyProButton(void) {
if (SPro.detected != 4) { return false; } // Only support Shelly Pro 4
uint32_t button_index = XdrvMailbox.index - SPro.button_offset;
if (button_index > 2) { return false; } // Only support Up, Down, Ok
uint32_t button = XdrvMailbox.payload;
uint32_t last_state = XdrvMailbox.command_code;
if ((PRESSED == button) && (NOT_PRESSED == last_state)) { // Button pressed
AddLog(LOG_LEVEL_DEBUG, PSTR("SHP: Button %d pressed"), button_index +1);
// Do something with the Up,Down,Ok button
switch (button_index) {
case 0: // Up
break;
case 1: // Down
break;
case 2: // Ok
break;
}
}
return true; // Disable further button processing
}
/*********************************************************************************************\
* Shelly Pro 1/2
\*********************************************************************************************/
void ShellyProUpdate(void) {
/*
Shelly Pro 1/2/PM 74HC595 register
bit 0 = relay/led 1
bit 1 = relay/led 2
bit 2 = wifi led blue
bit 3 = wifi led green
bit 4 = wifi led red
bit 5 - 7 = nc
OE is connected to Gnd with 470 ohm resistor R62 AND a capacitor C81 to 3V3
- this inhibits output of signals (also relay state) during power on for a few seconds
*/
uint8_t val = SPro.power | SPro.ledlink;
SPI.beginTransaction(SPISettings(1000000, MSBFIRST, SPI_MODE0));
SPI.transfer(val); // Write 74HC595 shift register
SPI.endTransaction();
// delayMicroseconds(2); // Wait for SPI clock to stop
digitalWrite(SPro.pin_register_cs, 1); // Latch data
delayMicroseconds(1); // Shelly 10mS
digitalWrite(SPro.pin_register_cs, 0);
}
/*********************************************************************************************\
* Shelly Pro
\*********************************************************************************************/
void ShellyProPreInit(void) {
if ((SPI_MOSI_MISO == TasmotaGlobal.spi_enabled) &&
(PinUsed(GPIO_SPI_CS) || PinUsed(GPIO_MCP23SXX_CS)) && // 74HC595 rclk / MCP23S17
TasmotaGlobal.gpio_optiona.shelly_pro) { // Option_A7
if (PinUsed(GPIO_SWT1) || PinUsed(GPIO_KEY1)) {
SPro.detected = 1; // Shelly Pro 1
if (PinUsed(GPIO_SWT1, 1) || PinUsed(GPIO_KEY1, 1)) {
SPro.detected = 2; // Shelly Pro 2
}
UpdateDevicesPresent(SPro.detected); // Shelly Pro 1/2
SPro.pin_register_cs = Pin(GPIO_SPI_CS);
digitalWrite(SPro.pin_register_cs, 0); // Prep 74HC595 rclk
pinMode(SPro.pin_register_cs, OUTPUT);
SPro.ledlink = 0x18; // Blue led on - set by first call ShellyProPower() - Shelly 1/2
// Does nothing if SPI is already initiated (by ADE7953) so no harm done
SPI.begin(Pin(GPIO_SPI_CLK), Pin(GPIO_SPI_MISO), Pin(GPIO_SPI_MOSI), -1);
}
if (PinUsed(GPIO_MCP23SXX_CS)) {
SPro.detected = 4; // Shelly Pro 4PM (No SWT or KEY)
}
}
}
void ShellyProInit(void) {
int pin_lan_reset = SHELLY_PRO_PIN_LAN8720_RESET; // GPIO5 = LAN8720 nRST
// delay(30); // (t-purstd) This pin must be brought low for a minimum of 25 mS after power on
digitalWrite(pin_lan_reset, 0);
pinMode(pin_lan_reset, OUTPUT);
delay(1); // (t-rstia) This pin must be brought low for a minimum of 100 uS
digitalWrite(pin_lan_reset, 1);
AddLog(LOG_LEVEL_INFO, PSTR("HDW: Shelly Pro %d%s initialized"),
SPro.detected, (PinUsed(GPIO_ADE7953_CS))?"PM":"");
SPro.init_done = true;
}
void ShellyProPower(void) {
if (SPro.detected != 4) {
SPro.power = XdrvMailbox.index &3;
ShellyProUpdate();
}
}
void ShellyProUpdateLedLink(uint32_t ledlink) {
if (ledlink != SPro.ledlink) {
SPro.ledlink = ledlink;
ShellyProUpdate();
}
}
void ShellyProLedLink(void) {
if (!SPro.init_done) { return; } // Block write before first power update
if (SPro.detected != 4) {
/*
bit 2 = blue, 3 = green, 4 = red
Shelly Pro documentation
- Blue light indicator will be on if in AP mode.
- Red light indicator will be on if in STA mode and not connected to a Wi-Fi network.
- Yellow light indicator will be on if in STA mode and connected to a Wi-Fi network.
- Green light indicator will be on if in STA mode and connected to a Wi-Fi network and to the Shelly Cloud.
- The light indicator will be flashing Red/Blue if OTA update is in progress.
Tasmota behaviour
- Blue light indicator will blink if no wifi or mqtt.
- Green light indicator will be on if in STA mode and connected to a Wi-Fi network.
*/
SPro.last_update = TasmotaGlobal.uptime;
uint32_t ledlink = 0x1C; // All leds off
if (XdrvMailbox.index) {
ledlink &= 0xFB; // Blue blinks if wifi/mqtt lost
}
else if (!TasmotaGlobal.global_state.wifi_down) {
ledlink &= 0xF7; // Green On
}
ShellyProUpdateLedLink(ledlink);
}
}
void ShellyProLedLinkWifiOff(void) {
if (!SPro.init_done) { return; }
if (SPro.detected != 4) {
/*
bit 2 = blue, 3 = green, 4 = red
- Green light indicator will be on if in STA mode and connected to a Wi-Fi network.
*/
if (SPro.last_update +1 < TasmotaGlobal.uptime) {
ShellyProUpdateLedLink((TasmotaGlobal.global_state.wifi_down) ? 0x1C : 0x14); // Green off if wifi OFF
}
}
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdrv88(uint32_t function) {
bool result = false;
if (FUNC_PRE_INIT == function) {
ShellyProPreInit();
} else if (SPro.detected) {
switch (function) {
/*
case FUNC_BUTTON_PRESSED:
result = ShellyProButton();
break;
*/
case FUNC_EVERY_SECOND:
ShellyProLedLinkWifiOff();
break;
case FUNC_SET_POWER:
ShellyProPower();
break;
case FUNC_INIT:
ShellyProInit();
break;
case FUNC_LED_LINK:
ShellyProLedLink();
break;
case FUNC_ACTIVE:
result = true;
break;
}
}
return result;
}
#endif // USE_SHELLY_PRO
#endif // USE_MCP23XXX_DRV
#endif // USE_SPI
#endif // ESP32
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