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-
-
- #include <Arduino.h>
- #include "HardwareSerial.h"
-
- #ifndef SERIAL2_TX_BUFFER_SIZE
- #define SERIAL2_TX_BUFFER_SIZE 40
- #endif
- #ifndef SERIAL2_RX_BUFFER_SIZE
- #define SERIAL2_RX_BUFFER_SIZE 64
- #endif
- #define IRQ_PRIORITY 64
-
-
- void IRQHandler_Serial2()
- {
- Serial2.IRQHandler();
- }
-
- void serial_event_check_serial2()
- {
- if (Serial2.available()) serialEvent2();
- }
-
-
-
- static BUFTYPE tx_buffer2[SERIAL2_TX_BUFFER_SIZE];
- static BUFTYPE rx_buffer2[SERIAL2_RX_BUFFER_SIZE];
-
- static HardwareSerial::hardware_t UART4_Hardware = {
- 1, IRQ_LPUART4, &IRQHandler_Serial2, &serial_event_check_serial2,
- CCM_CCGR1, CCM_CCGR1_LPUART4(CCM_CCGR_ON),
- #if defined(__IMXRT1052__)
- {{6,2, &IOMUXC_LPUART4_RX_SELECT_INPUT, 2}, {0xff, 0xff, nullptr, 0}},
- {{7,2, nullptr, 0}, {0xff, 0xff, nullptr, 0}},
- #elif defined(__IMXRT1062__)
- {{7,2, &IOMUXC_LPUART4_RX_SELECT_INPUT, 2}, {0xff, 0xff, nullptr, 0}},
- {{8,2, nullptr, 0}, {0xff, 0xff, nullptr, 0}},
- #endif
- 0xff,
- 0,
- IRQ_PRIORITY, 38, 24,
- };
- HardwareSerial Serial2(&IMXRT_LPUART4, &UART4_Hardware, tx_buffer2, SERIAL2_TX_BUFFER_SIZE,
- rx_buffer2, SERIAL2_RX_BUFFER_SIZE);
-
-
- void serialEvent2() __attribute__((weak));
- void serialEvent2() {Serial2.disableSerialEvents(); }
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