gonzui: mtkernel_3/include/sys/sysdepend/iote

    1: /*
    2:  *----------------------------------------------------------------------
    3:  *    micro T-Kernel 3.00.03
    4:  *
    5:  *    Copyright (C) 2006-2021 by Ken Sakamura.
    6:  *    This software is distributed under the T-License 2.2.
    7:  *----------------------------------------------------------------------
    8:  *
    9:  *    Released by TRON Forum(http://www.tron.org) at 2021/03/31.
   10:  *
   11:  *----------------------------------------------------------------------
   12:  */
   13: 
   14: /*
   15:  *      sysdef.h
   16:  *
   17:  *      System dependencies definition (STM32L4 IoT-Engine depended)
   18:  *      Included also from assembler program.
   19:  */
   20: 
   21: #ifndef __SYS_SYSDEF_DEPEND_H__
   22: #define __SYS_SYSDEF_DEPEND_H__
   23: 
   24: 
   25: /* CPU-dependent definition */
   26: #include "../cpu/stm32l4/sysdef.h"
   27: 
   28: /* ------------------------------------------------------------------------ */
   29: /*
   30:  * Clock control definition
   31:  */
   32: 
   33: /* RCC register initial value */
   34: #define RCC_CFGR_INIT           (0x00000000)     // SYSCLK = PLL ,SYSCLK,HCLK not divided. 
   35: #define RCC_PLLCFGR_INIT        (0x00002810)   // M = 2, N = 40, P = 7, Q = 2, R =2
   36: #define RCC_PLLSAI1CFGR_INIT    (0x00002000)       // N = 32, P = 7, Q = 2, R =2
   37: #define RCC_PLLSAI2CFGR_INIT    (0x00001000)       // N = 16, P = 7, Q = 2, R =2
   38: 
   39: /* Clock frequency 　*/
   40: #define SYSCLK                  (80)           /* System clock */
   41: #define HCLK                    (SYSCLK) /* Peripheral clock (AHB) */
   42: #define PCLK1                   (HCLK)          /* Peripheral clock (APB1) */
   43: #define PCLK2                   (HCLK)          /* Peripheral clock (APB2) */
   44: #define TMCLK                   (HCLK)          /* System timer clock input (MHz) */
   45: #define TMCLK_KHz               (TMCLK * 1000)       /* System timer clock input (kHz) */
   46: 
   47: /* ------------------------------------------------------------------------ */
   48: /*
   49:  * Maximum value of Power-saving mode switching prohibition request.
   50:  * Used in tk_set_pow API.
   51:  */
   52: #define LOWPOW_LIMIT    0x7fff             /* Maximum number for disabling */
   53: 
   54: 
   55: #endif /* __TK_SYSDEF_DEPEND_H__ */