uart_pic32mx.h | uDevkit

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/**
 * @file uart_pic32mx.h
 * @author Sebastien CAUX (sebcaux)
 * @copyright Robotips 2016-2017
 * @copyright UniSwarm 2018-2019
 *
 * @date June 07, 2017, 08:15 AM
 *
 * @brief Uart support for udevkit for PIC32MX
 *
 * Implementation based on Microchip document DS61107G :
 *  http://ww1.microchip.com/downloads/en/DeviceDoc/61107G.pdf
 */

#ifndef UART_PIC32MX_H
#define UART_PIC32MX_H

#if defined(DEVICE_32MX110F016B) || defined(DEVICE_32MX110F016C) || defined(DEVICE_32MX110F016D) \
 || defined(DEVICE_32MX120F032B) || defined(DEVICE_32MX120F032C) || defined(DEVICE_32MX120F032D) \
 || defined(DEVICE_32MX130F064B) || defined(DEVICE_32MX130F064C) || defined(DEVICE_32MX130F064D) \
 || defined(DEVICE_32MX130F256B) || defined(DEVICE_32MX130F256D) || defined(DEVICE_32MX150F128B) \
 || defined(DEVICE_32MX150F128C) || defined(DEVICE_32MX150F128D) || defined(DEVICE_32MX154F128B) \
 || defined(DEVICE_32MX154F128D) || defined(DEVICE_32MX155F128B) || defined(DEVICE_32MX155F128D) \
 || defined(DEVICE_32MX170F256B) || defined(DEVICE_32MX170F256D) || defined(DEVICE_32MX174F256B) \
 || defined(DEVICE_32MX174F256D) || defined(DEVICE_32MX175F256B) || defined(DEVICE_32MX175F256D) \
 || defined(DEVICE_32MX210F016B) || defined(DEVICE_32MX210F016C) || defined(DEVICE_32MX210F016D) \
 || defined(DEVICE_32MX220F032B) || defined(DEVICE_32MX220F032C) || defined(DEVICE_32MX220F032D) \
 || defined(DEVICE_32MX230F064B) || defined(DEVICE_32MX230F064C) || defined(DEVICE_32MX230F064D) \
 || defined(DEVICE_32MX230F256B) || defined(DEVICE_32MX230F256D) || defined(DEVICE_32MX250F128B) \
 || defined(DEVICE_32MX250F128C) || defined(DEVICE_32MX250F128D) || defined(DEVICE_32MX254F128B) \
 || defined(DEVICE_32MX254F128D) || defined(DEVICE_32MX255F128B) || defined(DEVICE_32MX255F128D) \
 || defined(DEVICE_32MX270F256B) || defined(DEVICE_32MX270F256D) || defined(DEVICE_32MX274F256B) \
 || defined(DEVICE_32MX274F256D) || defined(DEVICE_32MX275F256B) || defined(DEVICE_32MX275F256D) \
 || defined(DEVICE_32MX320F032H) || defined(DEVICE_32MX320F064H) || defined(DEVICE_32MX320F128H) \
 || defined(DEVICE_32MX320F128L) || defined(DEVICE_32MX340F128H) || defined(DEVICE_32MX340F128L) \
 || defined(DEVICE_32MX340F256H) || defined(DEVICE_32MX340F512H) || defined(DEVICE_32MX360F256L) \
 || defined(DEVICE_32MX360F512L) || defined(DEVICE_32MX420F032H) || defined(DEVICE_32MX440F128H) \
 || defined(DEVICE_32MX440F128L) || defined(DEVICE_32MX440F256H) || defined(DEVICE_32MX440F512H) \
 || defined(DEVICE_32MX460F256L) || defined(DEVICE_32MX460F512L)
 #define UART_COUNT 2
#elif defined(DEVICE_32MX120F064H) || defined(DEVICE_32MX130F128H) || defined(DEVICE_32MX150F256H) \
 || defined(DEVICE_32MX170F512H) || defined(DEVICE_32MX230F128H) || defined(DEVICE_32MX250F256H) \
 || defined(DEVICE_32MX270F512H) || defined(DEVICE_32MX330F064H) || defined(DEVICE_32MX350F128H) \
 || defined(DEVICE_32MX350F256H) || defined(DEVICE_32MX370F512H) || defined(DEVICE_32MX430F064H) \
 || defined(DEVICE_32MX450F128H) || defined(DEVICE_32MX450F256H) || defined(DEVICE_32MX470F512H) \
 || defined(DEVICE_32MX530F128H) || defined(DEVICE_32MX550F256H) || defined(DEVICE_32MX570F512H)
 #define UART_COUNT 4
#elif defined(DEVICE_32MX130F128L) || defined(DEVICE_32MX150F256L) || defined(DEVICE_32MX170F512L) \
 || defined(DEVICE_32MX230F128L) || defined(DEVICE_32MX250F256L) || defined(DEVICE_32MX270F512L) \
 || defined(DEVICE_32MX330F064L) || defined(DEVICE_32MX350F128L) || defined(DEVICE_32MX350F256L) \
 || defined(DEVICE_32MX370F512L) || defined(DEVICE_32MX430F064L) || defined(DEVICE_32MX450F128L) \
 || defined(DEVICE_32MX450F256L) || defined(DEVICE_32MX470F512L) || defined(DEVICE_32MX530F128L) \
 || defined(DEVICE_32MX550F256L) || defined(DEVICE_32MX570F512L)
 #define UART_COUNT 5
#elif defined(DEVICE_32MX534F064H) || defined(DEVICE_32MX534F064L) || defined(DEVICE_32MX564F064H) \
 || defined(DEVICE_32MX564F064L) || defined(DEVICE_32MX564F128H) || defined(DEVICE_32MX564F128L) \
 || defined(DEVICE_32MX575F256H) || defined(DEVICE_32MX575F256L) || defined(DEVICE_32MX575F512H) \
 || defined(DEVICE_32MX575F512L) || defined(DEVICE_32MX664F064H) || defined(DEVICE_32MX664F064L) \
 || defined(DEVICE_32MX664F128H) || defined(DEVICE_32MX664F128L) || defined(DEVICE_32MX675F256H) \
 || defined(DEVICE_32MX675F256L) || defined(DEVICE_32MX675F512H) || defined(DEVICE_32MX675F512L) \
 || defined(DEVICE_32MX695F512H) || defined(DEVICE_32MX695F512L) || defined(DEVICE_32MX764F128H) \
 || defined(DEVICE_32MX764F128L) || defined(DEVICE_32MX775F256H) || defined(DEVICE_32MX775F256L) \
 || defined(DEVICE_32MX775F512H) || defined(DEVICE_32MX775F512L) || defined(DEVICE_32MX795F512H) \
 || defined(DEVICE_32MX795F512L)
 #define UART_COUNT 6
#else
 #define UART_COUNT 0
#endif

// interrupt bits helpers for MX (MX does not have IP interrupt priority)
#ifndef _U1RXIE
 #if defined(DEVICE_32MX530F128H) || defined(DEVICE_32MX550F256H) || defined(DEVICE_32MX570F512H) \
  || defined(DEVICE_32MX530F128L) || defined(DEVICE_32MX550F256L) || defined(DEVICE_32MX570F512L) \
  || defined(DEVICE_32MX534F064H) || defined(DEVICE_32MX534F064L) || defined(DEVICE_32MX564F064H) \
  || defined(DEVICE_32MX564F064L) || defined(DEVICE_32MX564F128H) || defined(DEVICE_32MX564F128L) \
  || defined(DEVICE_32MX575F256H) || defined(DEVICE_32MX575F256L) || defined(DEVICE_32MX575F512H) \
  || defined(DEVICE_32MX575F512L) || defined(DEVICE_32MX664F064H) || defined(DEVICE_32MX664F064L) \
  || defined(DEVICE_32MX664F128H) || defined(DEVICE_32MX664F128L) || defined(DEVICE_32MX675F256H) \
  || defined(DEVICE_32MX675F256L) || defined(DEVICE_32MX675F512H) || defined(DEVICE_32MX675F512L) \
  || defined(DEVICE_32MX695F512H) || defined(DEVICE_32MX695F512L) || defined(DEVICE_32MX764F128H) \
  || defined(DEVICE_32MX764F128L) || defined(DEVICE_32MX775F256H) || defined(DEVICE_32MX775F256L) \
  || defined(DEVICE_32MX775F512H) || defined(DEVICE_32MX775F512L) || defined(DEVICE_32MX795F512H) \
  || defined(DEVICE_32MX795F512L)
  #define _U1EIE  IEC0bits.U1EIE
  #define _U1EIF  IFS0bits.U1EIF
  #define _U1RXIE IEC0bits.U1RXIE
  #define _U1RXIF IFS0bits.U1RXIF
  #define _U1TXIE IEC0bits.U1TXIE
  #define _U1TXIF IFS0bits.U1TXIF
  #define _U3TXIF IFS1bits.U3TXIF
  #define _U3TXIE IEC1bits.U3TXIE

  #define _U1IP   IPC6bits.U1IP
  #define _U2IP   IPC8bits.U2IP
  #define _U3IP   IPC7bits.U3IP
  #define _U4IP   IPC12bits.U4IP
  #define _U5IP   IPC12bits.U5IP
  #define _U6IP   IPC12bits.U6IP

 #else
  #define _U1EIE  IEC1bits.U1EIE
  #define _U1EIF  IFS1bits.U1EIF
  #define _U1RXIE IEC1bits.U1RXIE
  #define _U1RXIF IFS1bits.U1RXIF
  #define _U1TXIE IEC1bits.U1TXIE
  #define _U1TXIF IFS1bits.U1TXIF
  #define _U3TXIF IFS2bits.U3TXIF
  #define _U3TXIE IEC2bits.U3TXIE

  #define _U1IP   IPC7bits.U1IP
  #define _U2IP   IPC9bits.U2IP
  #define _U3IP   IPC9bits.U3IP
  #define _U4IP   IPC9bits.U4IP
  #define _U5IP   IPC10bits.U5IP
 #endif

 #define _U2EIE  IEC1bits.U2EIE
 #define _U2EIF  IFS1bits.U2EIF
 #define _U2RXIE IEC1bits.U2RXIE
 #define _U2RXIF IFS1bits.U2RXIF
 #define _U2TXIE IEC1bits.U2TXIE
 #define _U2TXIF IFS1bits.U2TXIF
 #define _U3RXIE IEC1bits.U3RXIE
 #define _U3RXIF IFS1bits.U3RXIF
 #define _U4EIE  IEC2bits.U4EIE
 #define _U4EIF  IFS2bits.U4EIF
 #define _U4RXIE IEC2bits.U4RXIE
 #define _U4RXIF IFS2bits.U4RXIF
 #define _U4TXIE IEC2bits.U4TXIE
 #define _U4TXIF IFS2bits.U4TXIF
 #define _U5EIE  IEC2bits.U5EIE
 #define _U5EIF  IFS2bits.U5EIF
 #define _U5RXIE IEC2bits.U5RXIE
 #define _U5RXIF IFS2bits.U5RXIF
 #define _U5TXIE IEC2bits.U5TXIE
 #define _U5TXIF IFS2bits.U5TXIF
 #define _U6EIE  IEC2bits.U6EIE
 #define _U6EIF  IFS2bits.U6EIF
 #define _U6RXIE IEC2bits.U6RXIE
 #define _U6RXIF IFS2bits.U6RXIF
 #define _U6TXIE IEC2bits.U6TXIE
 #define _U6TXIF IFS2bits.U6TXIF
#endif

#define UART_MAXBRG 0x0000FFFF    // 16 bits divisor

#endif // UART_PIC32MX_H