Diff: targets/TARGET_NUVOTON/TARGET_NUC472/device/StdDriver/nuc472_ps2.c

Revision:

153:9398a535854b

Parent:

152:9a67f0b066fc

diff -r 9a67f0b066fc -r 9398a535854b targets/TARGET_NUVOTON/TARGET_NUC472/device/StdDriver/nuc472_ps2.c
--- a/targets/TARGET_NUVOTON/TARGET_NUC472/device/StdDriver/nuc472_ps2.c	Thu Dec 15 11:48:27 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,183 +0,0 @@
-/******************************************************************************
- * @file     ps2.c
- * @version  V1.00
- * $Revision: 5 $
- * $Date: 14/10/03 11:59a $
- * @brief    NUC472/NUC442 PS2 driver source file
- *
- * @note
- * Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
-*****************************************************************************/
-
-#include <stdio.h>
-#include "NUC472_442.h"
-
-/*---------------------------------------------------------------------------------------------------------*/
-/* Includes of local headers                                                                               */
-/*---------------------------------------------------------------------------------------------------------*/
-//#include "ps2.h"
-
-
-/** @addtogroup NUC472_442_Device_Driver NUC472/NUC442 Device Driver
-  @{
-*/
-
-/** @addtogroup NUC472_442_PS2_Driver PS2 Driver
-  @{
-*/
-
-
-/** @addtogroup NUC472_442_PS2_EXPORTED_FUNCTIONS PS2 Exported Functions
-  @{
-*/
-
-
-/**
- *  @brief    The function is used to enable PS2 specified interrupt.
- *
- *  @param[in]    u32Mask    The specified interrupt of PS2 module:
- *                               - \ref PS2_CTL_TXIEN_Msk : PS2 Tx interrupt
- *                               - \ref PS2_CTL_RXIEN_Msk : PS2 Rx interrupt
- *
- *  @return   None
- */
-void PS2_EnableInt(uint32_t u32Mask)
-{
-    PS2->CTL |= u32Mask;
-}
-
-/**
- *  @brief    The function is used to disable PS2 specified interrupt.
- *
- *  @param[in]    u32Mask    The specified interrupt of PS2 module:
- *                               - \ref PS2_CTL_TXIEN_Msk : PS2 Tx interrupt
- *                               - \ref PS2_CTL_RXIEN_Msk : PS2 Rx interrupt
- *
- *  @return   None
- */
-void PS2_DisableInt(uint32_t u32Mask)
-{
-    PS2->CTL &= ~u32Mask;
-}
-
-/**
- *  @brief    This function use to enable PS2 function and set one byte per trnasfer.
- *
- *  @param    None
- *
- *  @return   None
- */
-void PS2_Open(void)
-{
-    /* Reset PS2 device */
-    SYS->IPRST1 |=  SYS_IPRST1_PS2RST_Msk;
-    SYS->IPRST1 &= ~SYS_IPRST1_PS2RST_Msk;
-
-    /* Enable PS2 module */
-    PS2->CTL |= PS2_CTL_PS2EN_Msk;
-
-    /* Set One byte per trnasfer */
-    PS2->CTL &= ~PS2_CTL_TXFDEPTH_Msk;
-
-    /* Clear Tx FIFO */
-    PS2->CTL |= PS2_CTL_CLRFIFO_Msk;
-    PS2->CTL &= (~PS2_CTL_CLRFIFO_Msk);
-}
-
-/**
- *  @brief    This function use to disable PS2 function.
- *
- *  @param    None
- *
- *  @return   None
- */
-void PS2_Close(void)
-{
-    /* Enable PS2 module */
-    PS2->CTL &= ~PS2_CTL_PS2EN_Msk;
-}
-
-/**
- *  @brief    This function use to read PS2 Rx data.
- *
- *  @param    None
- *
- *  @return   Rx data
- */
-uint8_t PS2_Read(void)
-{
-    return (uint8_t)(PS2->RXDAT & PS2_RXDAT_DAT_Msk);
-}
-
-/**
- *  @brief   This function use to transmit PS2 data.
- *
- *  @param[in]   pu32Buf        The buffer to send the data to PS2 transmission FIFO.
- *  @param[in]   u32ByteCount   The byte number of data.
- *
- *  @return  FALSE: transmit data time-out
- *           TRUE:  transmit data successful
- */
-int32_t PS2_Write(uint32_t *pu32Buf, uint32_t u32ByteCount)
-{
-    uint32_t u32TxFIFO_Depth = 16;
-    uint32_t u32delayno, txcnt, remainder;
-    uint8_t i=0;
-
-    txcnt = u32ByteCount / u32TxFIFO_Depth;
-
-    remainder = u32ByteCount % u32TxFIFO_Depth;
-    if(remainder) txcnt++;
-
-    u32delayno = 0;
-    while (!(PS2->STATUS & PS2_STATUS_TXEMPTY_Msk)) {
-        u32delayno++;
-        if (u32delayno >= 0xF0000000)
-            return FALSE; // Time Out
-    }
-
-    if(u32ByteCount >= u32TxFIFO_Depth)//Tx fifo is 16 bytes
-        PS2_SET_TX_BYTE_CNT(u32TxFIFO_Depth);
-
-    do {
-        u32delayno = 0;
-        while (!(PS2->STATUS & PS2_STATUS_TXEMPTY_Msk)) {
-            u32delayno++;
-            if(u32delayno >= 0xF0000000)
-                return FALSE; // Time Out
-        }
-
-        if((txcnt == 1) && (remainder != 0))
-            PS2_SET_TX_BYTE_CNT(u32ByteCount);
-
-        PS2->TXDAT0 = pu32Buf[i];
-        PS2->TXDAT1 = pu32Buf[i+1];
-        PS2->TXDAT2 = pu32Buf[i+2];
-        PS2->TXDAT3 = pu32Buf[i+3];
-
-        i = i + 4;
-
-    } while(--txcnt);
-
-    u32delayno = 0;
-    while(!(PS2->STATUS & PS2_STATUS_TXEMPTY_Msk)) {
-        u32delayno++;
-        if(u32delayno >= 0xF0000000)
-            return FALSE; // Time Out
-    }
-
-    return TRUE;
-
-}
-
-
-/*@}*/ /* end of group NUC472_442_PS2_EXPORTED_FUNCTIONS */
-
-/*@}*/ /* end of group NUC472_442_PS2_Driver */
-
-/*@}*/ /* end of group NUC472_442_Device_Driver */
-
-/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/
-
-
-