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tinyusb/demos/bsp/lpc43xx/CMSIS_LPC43xx_DriverLib/src/lpc43xx_rgu.c

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/**********************************************************************
* $Id$ lpc43xx_rgu.c 2011-06-02
*//**
* @file lpc43xx_rgu.c
* @brief Contains all functions support for RGU firmware library on lpc43xx
* @version 1.0
* @date 02. June. 2011
* @author NXP MCU SW Application Team
*
* Copyright(C) 2011, NXP Semiconductor
* All rights reserved.
*
***********************************************************************
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* products. This software is supplied "AS IS" without any warranties.
* NXP Semiconductors assumes no responsibility or liability for the
* use of the software, conveys no license or title under any patent,
* copyright, or mask work right to the product. NXP Semiconductors
* reserves the right to make changes in the software without
* notification. NXP Semiconductors also make no representation or
* warranty that such application will be suitable for the specified
* use without further testing or modification.
* Permission to use, copy, modify, and distribute this software and its
* documentation is hereby granted, under NXP Semiconductors<72>
* relevant copyright in the software, without fee, provided that it
* is used in conjunction with NXP Semiconductors microcontrollers. This
* copyright, permission, and disclaimer notice must appear in all copies of
* this code.
**********************************************************************/
/* Peripheral group ----------------------------------------------------------- */
/** @addtogroup RGU
* @{
*/
/* Includes ------------------------------------------------------------------- */
#include "lpc43xx_rgu.h"
#include "lpc43xx_cgu.h"
/* If this source file built with example, the lpc43xx FW library configuration
* file in each example directory ("lpc43xx_libcfg.h") must be included,
* otherwise the default FW library configuration file must be included instead
*/
#ifdef __BUILD_WITH_EXAMPLE__
#include "lpc43xx_libcfg.h"
#else
#include "lpc43xx_libcfg_default.h"
#endif /* __BUILD_WITH_EXAMPLE__ */
#ifdef _RGU
/* Public Functions ----------------------------------------------------------- */
/** @addtogroup RGU_Public_Functions
* @{
*/
/*********************************************************************//**
* @brief Soft Reset a Signal
* @param[in] ResetSignal indicates which signal will be reset, should be:
* - RGU_SIG_CORE :Core
* - RGU_SIG_PERIPH :Peripheral
* - RGU_SIG_MASTER :Master
* - RGU_SIG_WWDT :WWDT
* - RGU_SIG_CREG :Configuration register block
* - RGU_SIG_BUS :Buses
* - RGU_SIG_SCU :System control unit
* - RGU_SIG_PINMUX :Pin mux
* - RGU_SIG_M3 :Cortex-M3 system
* - RGU_SIG_LCD :LCD controller
* - RGU_SIG_USB0 :USB0
* - RGU_SIG_USB1 :USB1
* - RGU_SIG_DMA :DMA
* - RGU_SIG_SDIO :SDIO
* - RGU_SIG_EMC :External memory controller
* - RGU_SIG_ETHERNET :Ethernet
* - RGU_SIG_AES :AES
* - RGU_SIG_GPIO :GPIO
* - RGU_SIG_TIMER0 :Timer 0
* - RGU_SIG_TIMER1 :Timer 1
* - RGU_SIG_TIMER2 :Timer 2
* - RGU_SIG_TIMER3 :Timer 3
* - RGU_SIG_RITIMER :Repetitive Interrupt Timer
* - RGU_SIG_SCT :State Configurable Timer
* - RGU_SIG_MOTOCONPWM:Motor Control PWM
* - RGU_SIG_QEI :QEI
* - RGU_SIG_ADC0 :ADC0
* - RGU_SIG_ADC1 :ADC1
* - RGU_SIG_DAC :DAC
* - RGU_SIG_UART0 :UART0
* - RGU_SIG_UART1 :UART1
* - RGU_SIG_UART2 :UART2
* - RGU_SIG_UART3 :UART3
* - RGU_SIG_I2C0 :I2C0
* - RGU_SIG_I2C1 :I2C1
* - RGU_SIG_SSP0 :SSP0
* - RGU_SIG_SSP1 :SSP1
* - RGU_SIG_I2S :I2S
* - RGU_SIG_SPIFI :SPIFI
* - RGU_SIG_CAN :CAN
* @return None
**********************************************************************/
void RGU_SoftReset(RGU_SIG ResetSignal)
{
if(ResetSignal < 32){
LPC_RGU->RESET_CTRL0 = 1 << ResetSignal;
LPC_RGU->RESET_CTRL0 = 0;
}else{
LPC_RGU->RESET_CTRL1 = 1 << (ResetSignal - 32);
LPC_RGU->RESET_CTRL1 = 0;
}
}
/*********************************************************************//**
* @brief Get source cause of a signal
* @param[in] ResetSignal reset signal, should be:
* - RGU_SIG_CORE :Core
* - RGU_SIG_PERIPH :Peripheral
* - RGU_SIG_MASTER :Master
* - RGU_SIG_WWDT :WWDT
* - RGU_SIG_CREG :Configuration register block
* - RGU_SIG_BUS :Buses
* - RGU_SIG_SCU :System control unit
* - RGU_SIG_PINMUX :Pin mux
* - RGU_SIG_M3 :Cortex-M3 system
* - RGU_SIG_LCD :LCD controller
* - RGU_SIG_USB0 :USB0
* - RGU_SIG_USB1 :USB1
* - RGU_SIG_DMA :DMA
* - RGU_SIG_SDIO :SDIO
* - RGU_SIG_EMC :External memory controller
* - RGU_SIG_ETHERNET :Ethernet
* - RGU_SIG_AES :AES
* - RGU_SIG_GPIO :GPIO
* - RGU_SIG_TIMER0 :Timer 0
* - RGU_SIG_TIMER1 :Timer 1
* - RGU_SIG_TIMER2 :Timer 2
* - RGU_SIG_TIMER3 :Timer 3
* - RGU_SIG_RITIMER :Repetitive Interrupt Timer
* - RGU_SIG_SCT :State Configurable Timer
* - RGU_SIG_MOTOCONPWM:Motor Control PWM
* - RGU_SIG_QEI :QEI
* - RGU_SIG_ADC0 :ADC0
* - RGU_SIG_ADC1 :ADC1
* - RGU_SIG_DAC :DAC
* - RGU_SIG_UART0 :UART0
* - RGU_SIG_UART1 :UART1
* - RGU_SIG_UART2 :UART2
* - RGU_SIG_UART3 :UART3
* - RGU_SIG_I2C0 :I2C0
* - RGU_SIG_I2C1 :I2C1
* - RGU_SIG_SSP0 :SSP0
* - RGU_SIG_SSP1 :SSP1
* - RGU_SIG_I2S :I2S
* - RGU_SIG_SPIFI :SPIFI
* - RGU_SIG_CAN :CAN
* @return Source cause of reset, could be:
* - RGU_SRC_NONE :No source
* - RGU_SRC_SOFT :Software reset source
* - RGU_SRC_EXT :External reset source
* - RGU_SRC_CORE :Core reset source
* - RGU_SRC_PERIPH :Peripheral reset source
* - RGU_SRC_MASTER :Master reset source
* - RGU_SRC_BOD :BOD reset source
* - RGU_SRC_WWDT :WWDT reset source
**********************************************************************/
RGU_SRC RGU_GetSource(RGU_SIG ResetSignal)
{
uint32_t i, temp, registercache;
if(ResetSignal < 16)
temp = 3 & (LPC_RGU->RESET_STATUS0 >> ResetSignal);
else if(ResetSignal < 32)
temp = 3 & (LPC_RGU->RESET_STATUS1 >> (ResetSignal - 16));
else if(ResetSignal < 48)
temp = 3 & (LPC_RGU->RESET_STATUS2 >> (ResetSignal - 32));
else
temp = 3 & (LPC_RGU->RESET_STATUS3 >> (ResetSignal - 48));
if(temp == 0) return RGU_SRC_NONE;
else if(temp == 3) return RGU_SRC_SOFT;
else if(temp == 1){
registercache = (((uint32_t*)&LPC_RGU->RESET_EXT_STAT0)[ResetSignal]);
for(i = 0; i < 6; i++){
if(registercache & (1<<i)){
return (RGU_SRC)(RGU_SRC_EXT + i);
}
}
}
return RGU_SRC_NONE;
}
/*********************************************************************//**
* @brief Get Current Status of Signal
* @param[in] ResetSignal Reset Signal, should be:
* - RGU_SIG_CORE :Core
* - RGU_SIG_PERIPH :Peripheral
* - RGU_SIG_MASTER :Master
* - RGU_SIG_WWDT :WWDT
* - RGU_SIG_CREG :Configuration register block
* - RGU_SIG_BUS :Buses
* - RGU_SIG_SCU :System control unit
* - RGU_SIG_PINMUX :Pin mux
* - RGU_SIG_M3 :Cortex-M3 system
* - RGU_SIG_LCD :LCD controller
* - RGU_SIG_USB0 :USB0
* - RGU_SIG_USB1 :USB1
* - RGU_SIG_DMA :DMA
* - RGU_SIG_SDIO :SDIO
* - RGU_SIG_EMC :External memory controller
* - RGU_SIG_ETHERNET :Ethernet
* - RGU_SIG_AES :AES
* - RGU_SIG_GPIO :GPIO
* - RGU_SIG_TIMER0 :Timer 0
* - RGU_SIG_TIMER1 :Timer 1
* - RGU_SIG_TIMER2 :Timer 2
* - RGU_SIG_TIMER3 :Timer 3
* - RGU_SIG_RITIMER :Repetitive Interrupt Timer
* - RGU_SIG_SCT :State Configurable Timer
* - RGU_SIG_MOTOCONPWM:Motor Control PWM
* - RGU_SIG_QEI :QEI
* - RGU_SIG_ADC0 :ADC0
* - RGU_SIG_ADC1 :ADC1
* - RGU_SIG_DAC :DAC
* - RGU_SIG_UART0 :UART0
* - RGU_SIG_UART1 :UART1
* - RGU_SIG_UART2 :UART2
* - RGU_SIG_UART3 :UART3
* - RGU_SIG_I2C0 :I2C0
* - RGU_SIG_I2C1 :I2C1
* - RGU_SIG_SSP0 :SSP0
* - RGU_SIG_SSP1 :SSP1
* - RGU_SIG_I2S :I2S
* - RGU_SIG_SPIFI :SPIFI
* - RGU_SIG_CAN :CAN
* @return Signal status, could be:
* - TRUE :reset is active
* - FALSE :reset is inactive
**********************************************************************/
Bool RGU_GetSignalStatus(RGU_SIG ResetSignal)
{
if(ResetSignal < 32)
return (Bool)!(LPC_RGU->RESET_ACTIVE_STATUS0 | (1 << ResetSignal));
else
return (Bool)!(LPC_RGU->RESET_ACTIVE_STATUS1 | (1 << (ResetSignal - 32)));
}
/**
* @}
*/
#endif /* _RGU */
/**
* @}
*/
/* --------------------------------- End Of File ------------------------------ */
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