Fawwaz Nadzmy
mbed library sources. Supersedes mbed-src.
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Diff: targets/TARGET_NUVOTON/TARGET_NUC472/device/StdDriver/nuc472_pdma.c
- Revision:
- 153:9398a535854b
- Parent:
- 152:9a67f0b066fc
diff -r 9a67f0b066fc -r 9398a535854b targets/TARGET_NUVOTON/TARGET_NUC472/device/StdDriver/nuc472_pdma.c
--- a/targets/TARGET_NUVOTON/TARGET_NUC472/device/StdDriver/nuc472_pdma.c Thu Dec 15 11:48:27 2016 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,313 +0,0 @@
-/**************************************************************************//**
- * @file pdma.c
- * @version V1.00
- * $Revision: 7 $
- * $Date: 14/05/29 1:13p $
- * @brief NUC472/NUC442 PDMA driver source file
- *
- * @note
- * Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
-*****************************************************************************/
-#include "NUC472_442.h"
-
-
-static uint8_t u32ChSelect[PDMA_CH_MAX];
-
-/** @addtogroup NUC472_442_Device_Driver NUC472/NUC442 Device Driver
- @{
-*/
-
-/** @addtogroup NUC472_442_PDMA_Driver PDMA Driver
- @{
-*/
-
-
-/** @addtogroup NUC472_442_PDMA_EXPORTED_FUNCTIONS PDMA Exported Functions
- @{
-*/
-
-/**
- * @brief PDMA Open
- *
- * @param[in] u32Mask Channel enable bits.
- *
- * @return None
- *
- * @details This function enable the PDMA channels.
- */
-void PDMA_Open(uint32_t u32Mask)
-{
- int volatile i;
-
- for (i=0; i<PDMA_CH_MAX; i++) {
- PDMA->DSCT[i].CTL = 0;
- u32ChSelect[i] = 0x1f;
- }
-
- PDMA->CHCTL |= u32Mask;
-}
-
-/**
- * @brief PDMA Close
- *
- * @param[in] None
- *
- * @return None
- *
- * @details This function disable all PDMA channels.
- */
-void PDMA_Close(void)
-{
- PDMA->CHCTL = 0;
-}
-
-/**
- * @brief Set PDMA Transfer Count
- *
- * @param[in] u32Ch The selected channel
- * @param[in] u32Width Data width. PDMA_WIDTH_8, PDMA_WIDTH_16, or PDMA_WIDTH_32
- * @param[in] u32TransCount Transfer count
- *
- * @return None
- *
- * @details This function set the selected channel data width and transfer count.
- */
-void PDMA_SetTransferCnt(uint32_t u32Ch, uint32_t u32Width, uint32_t u32TransCount)
-{
- PDMA->DSCT[u32Ch].CTL &= ~(PDMA_DSCT_CTL_TXCNT_Msk | PDMA_DSCT_CTL_TXWIDTH_Msk);
- PDMA->DSCT[u32Ch].CTL |= (u32Width | ((u32TransCount-1) << PDMA_DSCT_CTL_TXCNT_Pos));
-}
-
-/**
- * @brief Set PDMA Transfer Address
- *
- * @param[in] u32Ch The selected channel
- * @param[in] u32SrcAddr Source address
- * @param[in] u32SrcCtrl Source control attribute. PDMA_SAR_INC or PDMA_SAR_FIX
- * @param[in] u32DstAddr destination address
- * @param[in] u32DstCtrl destination control attribute. PDMA_DAR_INC or PDMA_DAR_FIX
- *
- * @return None
- *
- * @details This function set the selected channel source/destination address and attribute.
- */
-void PDMA_SetTransferAddr(uint32_t u32Ch, uint32_t u32SrcAddr, uint32_t u32SrcCtrl, uint32_t u32DstAddr, uint32_t u32DstCtrl)
-{
- PDMA->DSCT[u32Ch].ENDSA = u32SrcAddr;
- PDMA->DSCT[u32Ch].ENDDA = u32DstAddr;
- PDMA->DSCT[u32Ch].CTL &= ~(PDMA_DSCT_CTL_SAINC_Msk | PDMA_DSCT_CTL_DAINC_Msk);
- PDMA->DSCT[u32Ch].CTL |= (u32SrcCtrl | u32DstCtrl);
-}
-
-/**
- * @brief Set PDMA Transfer Mode
- *
- * @param[in] u32Ch The selected channel
- * @param[in] u32Peripheral The selected peripheral. PDMA_SPI0_TX, PDMA_UART0_TX, PDMA_I2S_TX,...PDMA_MEM
- * @param[in] u32ScatterEn Scatter-gather mode enable
- * @param[in] u32DescAddr Scatter-gather descriptor address
- *
- * @return None
- *
- * @details This function set the selected channel transfer mode. Include peripheral setting.
- */
-void PDMA_SetTransferMode(uint32_t u32Ch, uint32_t u32Peripheral, uint32_t u32ScatterEn, uint32_t u32DescAddr)
-{
- u32ChSelect[u32Ch] = u32Peripheral;
- switch (u32Ch) {
- case 0:
- PDMA->REQSEL0_3 = (PDMA->REQSEL0_3 & ~PDMA_REQSEL0_3_REQSRC0_Msk) | u32Peripheral;
- break;
- case 1:
- PDMA->REQSEL0_3 = (PDMA->REQSEL0_3 & ~PDMA_REQSEL0_3_REQSRC1_Msk) | (u32Peripheral << PDMA_REQSEL0_3_REQSRC1_Pos);
- break;
- case 2:
- PDMA->REQSEL0_3 = (PDMA->REQSEL0_3 & ~PDMA_REQSEL0_3_REQSRC2_Msk) | (u32Peripheral << PDMA_REQSEL0_3_REQSRC2_Pos);
- break;
- case 3:
- PDMA->REQSEL0_3 = (PDMA->REQSEL0_3 & ~PDMA_REQSEL0_3_REQSRC3_Msk) | (u32Peripheral << PDMA_REQSEL0_3_REQSRC3_Pos);
- break;
- case 4:
- PDMA->REQSEL4_7 = (PDMA->REQSEL4_7 & ~PDMA_REQSEL4_7_REQSRC4_Msk) | u32Peripheral;
- break;
- case 5:
- PDMA->REQSEL4_7 = (PDMA->REQSEL4_7 & ~PDMA_REQSEL4_7_REQSRC5_Msk) | (u32Peripheral << PDMA_REQSEL4_7_REQSRC5_Pos);
- break;
- case 6:
- PDMA->REQSEL4_7 = (PDMA->REQSEL4_7 & ~PDMA_REQSEL4_7_REQSRC6_Msk) | (u32Peripheral << PDMA_REQSEL4_7_REQSRC6_Pos);
- break;
- case 7:
- PDMA->REQSEL4_7 = (PDMA->REQSEL4_7 & ~PDMA_REQSEL4_7_REQSRC7_Msk) | (u32Peripheral << PDMA_REQSEL4_7_REQSRC7_Pos);
- break;
- case 8:
- PDMA->REQSEL8_11 = (PDMA->REQSEL4_7 & ~PDMA_REQSEL8_11_REQSRC8_Msk) | u32Peripheral;
- break;
- case 9:
- PDMA->REQSEL4_7 = (PDMA->REQSEL4_7 & ~PDMA_REQSEL8_11_REQSRC9_Msk) | (u32Peripheral << PDMA_REQSEL8_11_REQSRC9_Pos);
- break;
- case 10:
- PDMA->REQSEL4_7 = (PDMA->REQSEL4_7 & ~PDMA_REQSEL8_11_REQSRC10_Msk) | (u32Peripheral << PDMA_REQSEL8_11_REQSRC10_Pos);
- break;
- case 11:
- PDMA->REQSEL4_7 = (PDMA->REQSEL4_7 & ~PDMA_REQSEL8_11_REQSRC11_Msk) | (u32Peripheral << PDMA_REQSEL8_11_REQSRC11_Pos);
- break;
- case 12:
- PDMA->REQSEL12_15 = (PDMA->REQSEL12_15 & ~PDMA_REQSEL12_15_REQSRC12_Msk) | u32Peripheral;
- break;
- case 13:
- PDMA->REQSEL12_15 = (PDMA->REQSEL12_15 & ~PDMA_REQSEL12_15_REQSRC13_Msk) | (u32Peripheral << PDMA_REQSEL12_15_REQSRC13_Pos);
- break;
- case 14:
- PDMA->REQSEL12_15 = (PDMA->REQSEL12_15 & ~PDMA_REQSEL12_15_REQSRC14_Msk) | (u32Peripheral << PDMA_REQSEL12_15_REQSRC14_Pos);
- break;
- case 15:
- PDMA->REQSEL12_15 = (PDMA->REQSEL12_15 & ~PDMA_REQSEL12_15_REQSRC15_Msk) | (u32Peripheral << PDMA_REQSEL12_15_REQSRC15_Pos);
- break;
- default:
- ;
- }
-
- if (u32ScatterEn) {
- PDMA->DSCT[u32Ch].CTL = (PDMA->DSCT[u32Ch].CTL & ~PDMA_DSCT_CTL_OPMODE_Msk) | PDMA_OP_SCATTER;
- PDMA->DSCT[u32Ch].NEXT = u32DescAddr - (PDMA->SCATBA);
- } else
- PDMA->DSCT[u32Ch].CTL = (PDMA->DSCT[u32Ch].CTL & ~PDMA_DSCT_CTL_OPMODE_Msk) | PDMA_OP_BASIC;
-}
-
-/**
- * @brief Set PDMA Burst Type
- *
- * @param[in] u32Ch The selected channel
- * @param[in] u32BurstType Burst mode or single mode
- * @param[in] u32BurstSize Set the size of burst mode
- *
- * @return None
- *
- * @details This function set the selected channel burst type and size.
- */
-void PDMA_SetBurstType(uint32_t u32Ch, uint32_t u32BurstType, uint32_t u32BurstSize)
-{
- PDMA->DSCT[u32Ch].CTL &= ~(PDMA_DSCT_CTL_TXTYPE_Msk | PDMA_DSCT_CTL_BURSIZE_Msk);
- PDMA->DSCT[u32Ch].CTL |= (u32BurstType | u32BurstSize);
-}
-
-/**
- * @brief Set PDMA TimeOut Count
- *
- * @param[in] u32Ch The selected channel
- * @param[in] u32OnOff Enable/disable time out function
- * @param[in] u32TimeOutCnt Timeout count
- *
- * @return None
- *
- * @details This function set the timeout count.
- */
-void PDMA_SetTimeOut(uint32_t u32Ch, uint32_t u32OnOff, uint32_t u32TimeOutCnt)
-{
- switch(u32Ch) {
- case 0:
- PDMA->TOC0_1 = (PDMA->TOC0_1 & ~PDMA_TOC0_1_TOC0_Msk) | u32TimeOutCnt;
- break;
- case 1:
- PDMA->TOC0_1 = (PDMA->TOC0_1 & ~PDMA_TOC0_1_TOC1_Msk) | (u32TimeOutCnt << PDMA_TOC0_1_TOC1_Pos);
- break;
- case 2:
- PDMA->TOC2_3 = (PDMA->TOC2_3 & ~PDMA_TOC2_3_TOC2_Msk) | u32TimeOutCnt;
- break;
- case 3:
- PDMA->TOC2_3 = (PDMA->TOC2_3 & ~PDMA_TOC2_3_TOC3_Msk) | (u32TimeOutCnt << PDMA_TOC2_3_TOC3_Pos);
- break;
- case 4:
- PDMA->TOC4_5 = (PDMA->TOC4_5 & ~PDMA_TOC4_5_TOC4_Msk) | u32TimeOutCnt;
- break;
- case 5:
- PDMA->TOC4_5 = (PDMA->TOC4_5 & ~PDMA_TOC4_5_TOC5_Msk) | (u32TimeOutCnt << PDMA_TOC4_5_TOC5_Pos);
- break;
- case 6:
- PDMA->TOC6_7 = (PDMA->TOC6_7 & ~PDMA_TOC6_7_TOC6_Msk) | u32TimeOutCnt;
- break;
- case 7:
- PDMA->TOC6_7 = (PDMA->TOC6_7 & ~PDMA_TOC6_7_TOC7_Msk) | (u32TimeOutCnt << PDMA_TOC6_7_TOC7_Pos);
- break;
- case 8:
- PDMA->TOC8_9 = (PDMA->TOC8_9 & ~PDMA_TOC8_9_TOC8_Msk) | u32TimeOutCnt;
- break;
- case 9:
- PDMA->TOC8_9 = (PDMA->TOC8_9 & ~PDMA_TOC8_9_TOC9_Msk) | (u32TimeOutCnt << PDMA_TOC8_9_TOC9_Pos);
- break;
- case 10:
- PDMA->TOC10_11 = (PDMA->TOC10_11 & ~PDMA_TOC10_11_TOC10_Msk) | u32TimeOutCnt;
- break;
- case 11:
- PDMA->TOC10_11 = (PDMA->TOC10_11 & ~PDMA_TOC10_11_TOC11_Msk) | (u32TimeOutCnt << PDMA_TOC10_11_TOC11_Pos);
- break;
- case 12:
- PDMA->TOC12_13 = (PDMA->TOC12_13 & ~PDMA_TOC12_13_TOC12_Msk) | u32TimeOutCnt;
- break;
- case 13:
- PDMA->TOC12_13 = (PDMA->TOC12_13 & ~PDMA_TOC12_13_TOC13_Msk) | (u32TimeOutCnt << PDMA_TOC12_13_TOC13_Pos);
- break;
- case 14:
- PDMA->TOC14_15 = (PDMA->TOC14_15 & ~PDMA_TOC14_15_TOC14_Msk) | u32TimeOutCnt;
- break;
- case 15:
- PDMA->TOC14_15 = (PDMA->TOC14_15 & ~PDMA_TOC14_15_TOC15_Msk) | (u32TimeOutCnt << PDMA_TOC14_15_TOC15_Pos);
- break;
- default:
- ;
- }
-}
-
-
-/**
- * @brief Trigger PDMA
- *
- * @param[in] u32Ch The selected channel
- *
- * @return None
- *
- * @details This function trigger the selected channel.
- */
-void PDMA_Trigger(uint32_t u32Ch)
-{
- if (u32ChSelect[u32Ch] == PDMA_MEM)
- PDMA->SWREQ = (1 << u32Ch);
-}
-
-/**
- * @brief Enable Interrupt
- *
- * @param[in] u32Ch The selected channel
- * @param[in] u32Mask The Interrupt Type
- *
- * @return None
- *
- * @details This function enable the selected channel interrupt.
- */
-void PDMA_EnableInt(uint32_t u32Ch, uint32_t u32Mask)
-{
- PDMA->INTEN |= (1 << u32Ch);
-}
-
-/**
- * @brief Disable Interrupt
- *
- * @param[in] u32Ch The selected channel
- * @param[in] u32Mask The Interrupt Type
- *
- * @return None
- *
- * @details This function disable the selected channel interrupt.
- */
-void PDMA_DisableInt(uint32_t u32Ch, uint32_t u32Mask)
-{
- PDMA->INTEN &= ~(1 << u32Ch);
-}
-
-/*@}*/ /* end of group NUC472_442_PDMA_EXPORTED_FUNCTIONS */
-
-/*@}*/ /* end of group NUC472_442_PDMA_Driver */
-
-/*@}*/ /* end of group NUC472_442_Device_Driver */
-
-/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/