55 ESP_LOGCONFIG(TAG,
"Setting up UART bus...");
59 constexpr uint32_t valid_tx_uart_0 = __bitset({0, 12, 16, 28});
60 constexpr uint32_t valid_tx_uart_1 = __bitset({4, 8, 20, 24});
62 constexpr uint32_t valid_rx_uart_0 = __bitset({1, 13, 17, 29});
63 constexpr uint32_t valid_rx_uart_1 = __bitset({5, 9, 21, 25});
70 ESP_LOGD(TAG,
"An inverted TX pin %u can only be used with SerialPIO", this->
tx_pin_->
get_pin());
74 }
else if (((1 << this->
tx_pin_->
get_pin()) & valid_tx_uart_1) != 0) {
77 ESP_LOGD(TAG,
"TX pin %u can only be used with SerialPIO", this->
tx_pin_->
get_pin());
84 ESP_LOGD(TAG,
"An inverted RX pin %u can only be used with SerialPIO", this->
rx_pin_->
get_pin());
88 }
else if (((1 << this->
rx_pin_->
get_pin()) & valid_rx_uart_1) != 0) {
91 ESP_LOGD(TAG,
"RX pin %u can only be used with SerialPIO", this->
rx_pin_->
get_pin());
98 ESP_LOGD(TAG,
"Using SerialPIO as UART%d is taken by the logger", tx_hw);
104 if (tx_hw == -1 || rx_hw == -1 || tx_hw != rx_hw) {
105 ESP_LOGV(TAG,
"Using SerialPIO");
111 gpio_set_outover(tx, GPIO_OVERRIDE_INVERT);
113 gpio_set_inover(rx, GPIO_OVERRIDE_INVERT);
116 ESP_LOGV(TAG,
"Using Hardware Serial");