WLED/wled00/wled_ethernet.h
Blaž Kristan dc9dedf220
Fixed pin reservations. (#2214)
* Fixed pin reservations.
Added ethernet pin reservations.
Minor tweaks in usermods.

* Optional ADA compile (not default, free GPIO3 use)

* Move ethernet definitions

Remove pin 3 used check

Co-authored-by: cschwinne <dev.aircoookie@gmail.com>
2021-09-30 16:30:44 +02:00

112 lines
4.0 KiB
C

#ifndef WLED_ETHERNET_H
#define WLED_ETHERNET_H
#ifdef WLED_USE_ETHERNET
#include "pin_manager.h"
// For ESP32, the remaining five pins are at least somewhat configurable.
// eth_address is in range [0..31], indicates which PHY (MAC?) address should be allocated to the interface
// eth_power is an output GPIO pin used to enable/disable the ethernet port (and/or external oscillator)
// eth_mdc is an output GPIO pin used to provide the clock for the management data
// eth_mdio is an input/output GPIO pin used to transfer management data
// eth_type is the physical ethernet module's type (ETH_PHY_LAN8720, ETH_PHY_TLK110)
// eth_clk_mode defines the GPIO pin and GPIO mode for the clock signal
// However, there are really only four configurable options on ESP32:
// ETH_CLOCK_GPIO0_IN == External oscillator, clock input via GPIO0
// ETH_CLOCK_GPIO0_OUT == ESP32 provides 50MHz clock output via GPIO0
// ETH_CLOCK_GPIO16_OUT == ESP32 provides 50MHz clock output via GPIO16
// ETH_CLOCK_GPIO17_OUT == ESP32 provides 50MHz clock output via GPIO17
typedef struct EthernetSettings {
uint8_t eth_address;
int eth_power;
int eth_mdc;
int eth_mdio;
eth_phy_type_t eth_type;
eth_clock_mode_t eth_clk_mode;
} ethernet_settings;
const ethernet_settings ethernetBoards[] = {
// None
{
},
// WT32-EHT01
// Please note, from my testing only these pins work for LED outputs:
// IO2, IO4, IO12, IO14, IO15
// These pins do not appear to work from my testing:
// IO35, IO36, IO39
{
1, // eth_address,
16, // eth_power,
23, // eth_mdc,
18, // eth_mdio,
ETH_PHY_LAN8720, // eth_type,
ETH_CLOCK_GPIO0_IN // eth_clk_mode
},
// ESP32-POE
{
0, // eth_address,
12, // eth_power,
23, // eth_mdc,
18, // eth_mdio,
ETH_PHY_LAN8720, // eth_type,
ETH_CLOCK_GPIO17_OUT // eth_clk_mode
},
// WESP32
{
0, // eth_address,
-1, // eth_power,
16, // eth_mdc,
17, // eth_mdio,
ETH_PHY_LAN8720, // eth_type,
ETH_CLOCK_GPIO0_IN // eth_clk_mode
},
// QuinLed-ESP32-Ethernet
{
0, // eth_address,
5, // eth_power,
23, // eth_mdc,
18, // eth_mdio,
ETH_PHY_LAN8720, // eth_type,
ETH_CLOCK_GPIO17_OUT // eth_clk_mode
},
// TwilightLord-ESP32 Ethernet Shield
{
0, // eth_address,
5, // eth_power,
23, // eth_mdc,
18, // eth_mdio,
ETH_PHY_LAN8720, // eth_type,
ETH_CLOCK_GPIO17_OUT // eth_clk_mode
},
// ESP3DEUXQuattro
{
1, // eth_address,
-1, // eth_power,
23, // eth_mdc,
18, // eth_mdio,
ETH_PHY_LAN8720, // eth_type,
ETH_CLOCK_GPIO17_OUT // eth_clk_mode
}
};
#endif
#define WLED_ETH_RSVD_PINS_COUNT 6
// The following six pins are neither configurable nor
// can they be re-assigned through IOMUX / GPIO matrix.
// See https://docs.espressif.com/projects/esp-idf/en/latest/esp32/hw-reference/esp32/get-started-ethernet-kit-v1.1.html#ip101gri-phy-interface
const managed_pin_type esp32_nonconfigurable_ethernet_pins[WLED_ETH_RSVD_PINS_COUNT] = {
{ 21, true }, // RMII EMAC TX EN == When high, clocks the data on TXD0 and TXD1 to transmitter
{ 19, true }, // RMII EMAC TXD0 == First bit of transmitted data
{ 22, true }, // RMII EMAC TXD1 == Second bit of transmitted data
{ 25, false }, // RMII EMAC RXD0 == First bit of received data
{ 26, false }, // RMII EMAC RXD1 == Second bit of received data
{ 27, true }, // RMII EMAC CRS_DV == Carrier Sense and RX Data Valid
};
#endif