uart_msp432.h

#ifndef _UART_MSP432_H_
#define _UART_MSP432_H_
 
#include <stdint.h>
#include "uart_interface.h"
#include "msp.h"
 
extern "C" {
void EUSCIA0_UART_IRQHandler(void);
void EUSCIA1_UART_IRQHandler(void);
void EUSCIA2_UART_IRQHandler(void);
void EUSCIA3_UART_IRQHandler(void);
}
 
class uart_msp432 : public uart_interface {
public:
    uart_msp432(EUSCI_A_Type * mod  = EUSCI_A0, // default: backport UART
                uint32_t       baud = 115200,
                uart_mode_t    mode = UART::BITS_8   |
                                      UART::NO_PARITY |
                                      UART::STOPBITS_1);
    virtual ~uart_msp432();
 
    // Basic read/write operations on a UART
    bool available() override;
    char getc() override;
    void putc(char c) override;
    size_t puts(const char *s);
 
    void uartMode(uart_mode_t mode) override;
    void setBaudrate(uint32_t) override;
    void sendBreak(uint16_t ms) override;
    void setDTR(bool dtr) override;
    void setRTS(bool rts) override;
 
    // Interrupt handling
    void uartAttachIrq (function<void(char)> f) override;
    void uartDetachIrq () override;
    void uartEnableIrq () override;
    void uartDisableIrq() override;
 
    // FIFO control
    void enableFIFO(bool) override;
 
    // The IRQ handlers are our friends :)
    friend void EUSCIA0_UART_IRQHandler(void);
    friend void EUSCIA1_UART_IRQHandler(void);
    friend void EUSCIA2_UART_IRQHandler(void);
    friend void EUSCIA3_UART_IRQHandler(void);
 
private:
    bool _init;
    void init();
 
    static void handleIrq(EUSCI_A_Type *);
    static function<void(char)> _intHandler[4];
 
    EUSCI_A_Type  * _EUSCI;
    uint32_t        _baud;
    uart_mode_t     _mode;
    uint8_t         _port;
    uint8_t         _rx_pin;
    uint8_t         _tx_pin;
};
 
#endif // _UART_MSP432_H_