/*********************************************************************************************************************** | |
* 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 | |
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* 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 | |
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* following link: | |
* http://www.renesas.com/disclaimer | |
* | |
* Copyright (C) 2015 Renesas Electronics Corporation. All rights reserved. | |
***********************************************************************************************************************/ | |
/*********************************************************************************************************************** | |
* File Name : r_cg_rspi_user.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 */ | |
#include "r_typedefs.h" | |
/* End user code. Do not edit comment generated here */ | |
#include "r_cg_userdefine.h" | |
/*********************************************************************************************************************** | |
Global variables and functions | |
***********************************************************************************************************************/ | |
extern const uint32_t * gp_rspi1_tx_address; /* RSPI1 transmit buffer address */ | |
extern 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_transmit_interrupt | |
* Description : This function is SPTI1 interrupt service routine. | |
* Arguments : None | |
* Return Value : None | |
***********************************************************************************************************************/ | |
#ifdef __ICCARM__ | |
__irq __arm | |
#endif /* __ICCARM__ */ | |
void r_rspi1_transmit_interrupt(void) | |
{ | |
uint16_t frame_cnt; | |
/* Clear the interrupt source */ | |
VIC.PIC2.LONG = 0x00200000UL; | |
for (frame_cnt = 0U; frame_cnt < (_RSPI_FRAMES_1 + 1U); frame_cnt++) | |
{ | |
if (g_rspi1_tx_count > 0U) | |
{ | |
/* Write data for transmission */ | |
RSPI1.SPDR.LONG = (*(uint32_t*)gp_rspi1_tx_address); | |
gp_rspi1_tx_address++; | |
g_rspi1_tx_count--; | |
} | |
else | |
{ | |
/* Disable transmit interrupt */ | |
RSPI1.SPCR.BIT.SPTIE = 0U; | |
/* Enable idle interrupt */ | |
RSPI1.SPCR2.BIT.SPIIE = 1U; | |
break; | |
} | |
} | |
/* Dummy write */ | |
VIC.HVA0.LONG = 0x00000000UL; | |
} | |
/*********************************************************************************************************************** | |
* Function Name: r_rspi1_error_interrupt | |
* Description : This function is SPEI1 interrupt service routine. | |
* Arguments : None | |
* Return Value : None | |
***********************************************************************************************************************/ | |
#ifdef __ICCARM__ | |
__irq __arm | |
#endif /* __ICCARM__ */ | |
void r_rspi1_error_interrupt(void) | |
{ | |
uint8_t err_type; | |
/* Disable RSPI function */ | |
RSPI1.SPCR.BIT.SPE = 0U; | |
/* Disable transmit interrupt */ | |
RSPI1.SPCR.BIT.SPTIE = 0U; | |
/* Disable error interrupt */ | |
RSPI1.SPCR.BIT.SPEIE = 0U; | |
/* Disable idle interrupt */ | |
RSPI1.SPCR2.BIT.SPIIE = 0U; | |
/* Clear error sources */ | |
err_type = RSPI1.SPSR.BYTE; | |
RSPI1.SPSR.BYTE = 0xA0U; | |
if (err_type != 0U) | |
{ | |
r_rspi1_callback_error(err_type); | |
} | |
/* Wait the interrupt signal is disabled */ | |
while (0U != (VIC.IRQS2.LONG & 0x00400000UL)) | |
{ | |
VIC.IEC2.LONG = 0x00400000UL; | |
} | |
VIC.IEN2.LONG |= 0x00400000UL; | |
/* Dummy write */ | |
VIC.HVA0.LONG = 0x00000000UL; | |
} | |
/*********************************************************************************************************************** | |
* Function Name: r_rspi1_idle_interrupt | |
* Description : This function is SPII1 interrupt service routine. | |
* Arguments : None | |
* Return Value : None | |
***********************************************************************************************************************/ | |
#ifdef __ICCARM__ | |
__irq __arm | |
#endif /* __ICCARM__ */ | |
void r_rspi1_idle_interrupt(void) | |
{ | |
/* Disable RSPI function */ | |
RSPI1.SPCR.BIT.SPE = 0U; | |
/* Disable idle interrupt */ | |
RSPI1.SPCR2.BIT.SPIIE = 0U; | |
r_rspi1_callback_transmitend(); | |
/* Wait the interrupt signal is disabled */ | |
while (0U != (VIC.IRQS2.LONG & 0x00800000UL)) | |
{ | |
VIC.IEC2.LONG = 0x00800000UL; | |
} | |
VIC.IEN2.LONG |= 0x00800000UL; | |
/* Dummy write */ | |
VIC.HVA0.LONG = 0x00000000UL; | |
} | |
/*********************************************************************************************************************** | |
* Function Name: r_rspi1_callback_transmitend | |
* Description : This function is a callback function when RSPI1 finishes transmission. | |
* Arguments : None | |
* Return Value : None | |
***********************************************************************************************************************/ | |
void r_rspi1_callback_transmitend(void) | |
{ | |
/* Start user code. Do not edit comment generated here */ | |
/* End user code. Do not edit comment generated here */ | |
} | |
/*********************************************************************************************************************** | |
* Function Name: r_rspi1_callback_error | |
* Description : This function is a callback function when RSPI1 error occurs. | |
* Arguments : err_type - | |
* error type value | |
* Return Value : None | |
***********************************************************************************************************************/ | |
void r_rspi1_callback_error(uint8_t err_type) | |
{ | |
/* Start user code. Do not edit comment generated here */ | |
/* Used to suppress the warning message generated for unused variables */ | |
UNUSED_VARIABLE(err_type); | |
/* End user code. Do not edit comment generated here */ | |
} | |
/* Start user code for adding. Do not edit comment generated here */ | |
/* End user code. Do not edit comment generated here */ |