| /*********************************************************************************************************************** | |
| * DISCLAIMER | |
| * This software is supplied by Renesas Electronics Corporation and is only intended for use with Renesas products. | |
| * No other uses are authorized. This software is owned by Renesas Electronics Corporation and is protected under all | |
| * applicable laws, including copyright laws. | |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIESREGARDING THIS SOFTWARE, WHETHER EXPRESS, IMPLIED | |
| * OR STATUTORY, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
| * NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY | |
| * LAW, NEITHER RENESAS ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE FOR ANY DIRECT, | |
| * INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR | |
| * ITS AFFILIATES HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. | |
| * Renesas reserves the right, without notice, to make changes to this software and to discontinue the availability | |
| * of this software. By using this software, you agree to the additional terms and conditions found by accessing the | |
| * following link: | |
| * http://www.renesas.com/disclaimer | |
| * | |
| * Copyright (C) 2015 Renesas Electronics Corporation. All rights reserved. | |
| ***********************************************************************************************************************/ | |
| /*********************************************************************************************************************** | |
| * File Name : r_cg_rspi.c | |
| * Version : Code Generator for RZ/T1 V1.00.00.09 [02 Mar 2015] | |
| * Device(s) : R7S910018CBG | |
| * Tool-Chain : GCCARM | |
| * Description : This file implements device driver for RSPI module. | |
| * Creation Date: 22/04/2015 | |
| ***********************************************************************************************************************/ | |
| /*********************************************************************************************************************** | |
| Pragma directive | |
| ***********************************************************************************************************************/ | |
| /* Start user code for pragma. Do not edit comment generated here */ | |
| /* End user code. Do not edit comment generated here */ | |
| /*********************************************************************************************************************** | |
| Includes | |
| ***********************************************************************************************************************/ | |
| #include "r_cg_macrodriver.h" | |
| #include "r_cg_rspi.h" | |
| /* Start user code for include. Do not edit comment generated here */ | |
| /* End user code. Do not edit comment generated here */ | |
| #include "r_cg_userdefine.h" | |
| /*********************************************************************************************************************** | |
| Global variables and functions | |
| ***********************************************************************************************************************/ | |
| const uint32_t * gp_rspi1_tx_address; /* RSPI1 transmit buffer address */ | |
| uint16_t g_rspi1_tx_count; /* RSPI1 transmit data number */ | |
| /* Start user code for global. Do not edit comment generated here */ | |
| /* End user code. Do not edit comment generated here */ | |
| /*********************************************************************************************************************** | |
| * Function Name: R_RSPI1_Create | |
| * Description : This function initializes the RSPI1 module. | |
| * Arguments : None | |
| * Return Value : None | |
| ***********************************************************************************************************************/ | |
| void R_RSPI1_Create(void) | |
| { | |
| /* Disable RSPI interrupts */ | |
| VIC.IEC2.LONG = 0x00200000UL; /* Disable SPTI1 interrupt */ | |
| VIC.IEC2.LONG = 0x00400000UL; /* Disable SPEI1 interrupt */ | |
| VIC.IEC2.LONG = 0x00800000UL; /* Disable SPII1 interrupt */ | |
| /* Set interrupt detection type */ | |
| VIC.PLS2.LONG |= 0x00200000UL; /* Set SPTI1 edge detection interrupt */ | |
| /* Cancel RSPI module stop state */ | |
| MSTP(RSPI1) = 0U; | |
| /* Disable RSPI function */ | |
| RSPI1.SPCR.BIT.SPE = 0U; | |
| /* Set control registers */ | |
| RSPI1.SPPCR.BYTE = _RSPI_MOSI_LEVEL_HIGH | _RSPI_MOSI_FIXING_MOIFV_BIT | _RSPI_OUTPUT_PIN_CMOS | _RSPI_LOOPBACK_DISABLED | _RSPI_LOOPBACK2_DISABLED; | |
| RSPI1.SPBR = _RSPI1_DIVISOR; | |
| RSPI1.SPDCR.BYTE = _RSPI_ACCESS_LONGWORD | _RSPI_FRAMES_1; | |
| RSPI1.SPSCR.BYTE = _RSPI_SEQUENCE_LENGTH_1; | |
| RSPI1.SSLP.BYTE = _RSPI_SSL0_POLARITY_LOW | _RSPI_SSL1_POLARITY_LOW; | |
| RSPI1.SPCKD.BYTE = _RSPI_RSPCK_DELAY_1; | |
| RSPI1.SSLND.BYTE = _RSPI_SSL_NEGATION_DELAY_1; | |
| RSPI1.SPND.BYTE = _RSPI_NEXT_ACCESS_DELAY_1; | |
| RSPI1.SPCR2.BYTE = _RSPI_PARITY_DISABLE; | |
| RSPI1.SPCMD0.WORD = _RSPI_RSPCK_SAMPLING_EVEN | _RSPI_RSPCK_POLARITY_HIGH | _RSPI_BASE_BITRATE_1 | | |
| _RSPI_SIGNAL_ASSERT_SSL0 | _RSPI_SSL_KEEP_DISABLE | _RSPI_DATA_LENGTH_BITS_8 | | |
| _RSPI_MSB_FIRST | _RSPI_NEXT_ACCESS_DELAY_DISABLE | _RSPI_NEGATION_DELAY_DISABLE | | |
| _RSPI_RSPCK_DELAY_DISABLE; | |
| /* Set SPTI1 priority level */ | |
| VIC.PRL85.LONG = _RSPI_PRIORITY_LEVEL6; | |
| /* Set SPEI1 priority level */ | |
| VIC.PRL86.LONG = _RSPI_PRIORITY_LEVEL5; | |
| /* Set SPII1 priority level */ | |
| VIC.PRL87.LONG = _RSPI_PRIORITY_LEVEL7; | |
| /* Set SPTI1 interrupt address */ | |
| VIC.VAD85.LONG = (uint32_t)r_rspi1_transmit_interrupt; | |
| /* Set SPEI1 interrupt address */ | |
| VIC.VAD86.LONG = (uint32_t)r_rspi1_error_interrupt; | |
| /* Set SPII1 interrupt address */ | |
| VIC.VAD87.LONG = (uint32_t)r_rspi1_idle_interrupt; | |
| RSPI1.SPCR.BYTE = _RSPI_MODE_SPI | _RSPI_TRANSMIT_ONLY | _RSPI_MASTER_MODE; | |
| } | |
| /*********************************************************************************************************************** | |
| * Function Name: R_RSPI1_Start | |
| * Description : This function starts the RSPI1 module operation. | |
| * Arguments : None | |
| * Return Value : None | |
| ***********************************************************************************************************************/ | |
| void R_RSPI1_Start(void) | |
| { | |
| volatile uint8_t dummy; | |
| /* Enable RSPI interrupts */ | |
| VIC.IEN2.LONG |= 0x00200000UL; /* Enable SPTI1 interrupt */ | |
| VIC.IEN2.LONG |= 0x00400000UL; /* Enable SPEI1 interrupt */ | |
| VIC.IEN2.LONG |= 0x00800000UL; /* Enable SPII1 interrupt */ | |
| /* Clear error sources */ | |
| dummy = RSPI1.SPSR.BYTE; | |
| ( void ) dummy; | |
| RSPI1.SPSR.BYTE = 0x00U; | |
| /* Disable idle interrupt */ | |
| RSPI1.SPCR2.BIT.SPIIE = 0U; | |
| } | |
| /*********************************************************************************************************************** | |
| * Function Name: R_RSPI1_Stop | |
| * Description : This function stops the RSPI1 module operation. | |
| * Arguments : None | |
| * Return Value : None | |
| ***********************************************************************************************************************/ | |
| void R_RSPI1_Stop(void) | |
| { | |
| /* Disable RSPI interrupts */ | |
| VIC.IEC2.LONG = 0x00200000UL; /* Disable SPTI1 interrupt */ | |
| VIC.IEC2.LONG = 0x00400000UL; /* Disable SPEI1 interrupt */ | |
| VIC.IEC2.LONG = 0x00800000UL; /* Disable SPII1 interrupt */ | |
| /* Disable RSPI function */ | |
| RSPI1.SPCR.BIT.SPE = 0U; | |
| } | |
| /*********************************************************************************************************************** | |
| * Function Name: R_RSPI1_Send | |
| * Description : This function sends RSPI1 data. | |
| * Arguments : tx_buf - | |
| * transfer buffer pointer (not used when data is handled by DMAC) | |
| * tx_num - | |
| * buffer size | |
| * Return Value : status - | |
| * MD_OK or MD_ARGERROR | |
| ***********************************************************************************************************************/ | |
| MD_STATUS R_RSPI1_Send(const uint32_t * tx_buf, uint16_t tx_num) | |
| { | |
| MD_STATUS status = MD_OK; | |
| if (tx_num < 1U) | |
| { | |
| status = MD_ARGERROR; | |
| } | |
| else | |
| { | |
| gp_rspi1_tx_address = tx_buf; | |
| g_rspi1_tx_count = tx_num; | |
| /* Enable transmit interrupt */ | |
| RSPI1.SPCR.BIT.SPTIE = 1U; | |
| /* Enable error interrupt */ | |
| RSPI1.SPCR.BIT.SPEIE = 1U; | |
| /* Enable idle interrupt */ | |
| RSPI1.SPCR2.BIT.SPIIE = 1U; | |
| /* Enable RSPI function */ | |
| RSPI1.SPCR.BIT.SPE = 1U; | |
| } | |
| return (status); | |
| } | |
| /* Start user code for adding. Do not edit comment generated here */ | |
| /* End user code. Do not edit comment generated here */ |