cc2538_sys_ctrl.h

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/*
 * Copyright (C) 2014 Loci Controls Inc.
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once

 
#include "cc2538.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct {

    union {
        cc2538_reg_t CLOCK_CTRL;             
        struct {
            cc2538_reg_t SYS_DIV       : 3;  
            cc2538_reg_t RESERVED1     : 5;  
            cc2538_reg_t IO_DIV        : 3;  
            cc2538_reg_t RESERVED2     : 5;  
            cc2538_reg_t OSC           : 1;  
            cc2538_reg_t OSC_PD        : 1;  
            cc2538_reg_t RESERVED3     : 3;  
            cc2538_reg_t AMP_DET       : 1;  
            cc2538_reg_t RESERVED4     : 2;  
            cc2538_reg_t OSC32K        : 1;  
            cc2538_reg_t OSC32K_CADIS  : 1;  
            cc2538_reg_t RESERVED5     : 6;  
        } CLOCK_CTRLbits;
    } cc2538_sys_ctrl_clk_ctrl;

    union {
        cc2538_reg_t CLOCK_STA;              
        struct {
            cc2538_reg_t SYS_DIV       : 3;  
            cc2538_reg_t RESERVED6     : 5;  
            cc2538_reg_t IO_DIV        : 3;  
            cc2538_reg_t RESERVED7     : 5;  
            cc2538_reg_t OSC           : 1;  
            cc2538_reg_t OSC_PD        : 1;  
            cc2538_reg_t HSOSC_STB     : 1;  
            cc2538_reg_t XOSC_STB      : 1;  
            cc2538_reg_t SOURCE_CHANGE : 1;  
            cc2538_reg_t RESERVED8     : 1;  
            cc2538_reg_t RST           : 2;  
            cc2538_reg_t OSC32K        : 1;  
            cc2538_reg_t OSC32K_CALDIS : 1;  
            cc2538_reg_t SYNC_32K      : 1;  
            cc2538_reg_t RESERVED9     : 5;  
        } CLOCK_STAbits;
    } cc2538_sys_ctrl_clk_sta;
 
    cc2538_reg_t RCGCGPT;                    
    cc2538_reg_t SCGCGPT;                    
    cc2538_reg_t DCGCGPT;                    
    cc2538_reg_t SRGPT;                      
    cc2538_reg_t RCGCSSI;                    
    cc2538_reg_t SCGCSSI;                    
    cc2538_reg_t DCGCSSI;                    
    cc2538_reg_t SRSSI;                      

    union {
        cc2538_reg_t RCGCUART;               
        struct {
            cc2538_reg_t UART0         :  1; 
            cc2538_reg_t UART1         :  1; 
            cc2538_reg_t RESERVED      : 30; 
        } RCGCUARTbits;
    } cc2538_sys_ctrl_unnamed1;

    union {
        cc2538_reg_t SCGCUART;               
        struct {
            cc2538_reg_t UART0         :  1; 
            cc2538_reg_t UART1         :  1; 
            cc2538_reg_t RESERVED      : 30; 
        } SCGCUARTbits;
    } cc2538_sys_ctrl_unnamed2;

    union {
        cc2538_reg_t DCGCUART;               
        struct {
            cc2538_reg_t UART0         :  1; 
            cc2538_reg_t UART1         :  1; 
            cc2538_reg_t RESERVED      : 30; 
        } DCGCUARTbits;
    } cc2538_sys_ctrl_unnamed3;
 
    cc2538_reg_t SRUART;                     
    cc2538_reg_t RCGCI2C;                    
    cc2538_reg_t SCGCI2C;                    
    cc2538_reg_t DCGCI2C;                    
    cc2538_reg_t SRI2C;                      
    cc2538_reg_t RCGCSEC;                    
    cc2538_reg_t SCGCSEC;                    
    cc2538_reg_t DCGCSEC;                    
    cc2538_reg_t SRSEC;                      
    cc2538_reg_t PMCTL;                      
    cc2538_reg_t SRCRC;                      
    cc2538_reg_t RESERVED10[5];              
    cc2538_reg_t PWRDBG;                     
    cc2538_reg_t RESERVED11[2];              
    cc2538_reg_t CLD;                        
    cc2538_reg_t RESERVED12[4];              
    cc2538_reg_t IWE;                        
    cc2538_reg_t I_MAP;                      
    cc2538_reg_t RESERVED13[3];              
    cc2538_reg_t RCGCRFC;                    
    cc2538_reg_t SCGCRFC;                    
    cc2538_reg_t DCGCRFC;                    
    cc2538_reg_t EMUOVR;                     
} cc2538_sys_ctrl_t;
 
#define SYS_CTRL ( (cc2538_sys_ctrl_t*)0x400d2000 ) 

#define sys_clock_freq() ((uint32_t)\
    (SYS_CTRL->cc2538_sys_ctrl_clk_ctrl.CLOCK_CTRLbits.OSC ? \
               RCOSC16M_FREQ : XOSC32M_FREQ) >> \
    SYS_CTRL->cc2538_sys_ctrl_clk_ctrl.CLOCK_CTRLbits.SYS_DIV)
 
#ifdef __cplusplus
} /* end extern "C" */
#endif