280 lines
19 KiB
C
280 lines
19 KiB
C
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/**************************************************************************//**
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* @file clk.h
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* @version V3.0
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* $Revision: 17 $
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* $Date: 14/01/28 1:11p $
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* @brief M051 Series Clock Control Driver Header File
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*
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* @note
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* Copyright (C) 2014 Nuvoton Technology Corp. All rights reserved.
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*
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******************************************************************************/
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#ifndef __CLK_H__
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#define __CLK_H__
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#include "M051Series.h"
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/** @addtogroup M051_Device_Driver M051 Device Driver
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@{
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*/
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/** @addtogroup M051_CLK_Driver CLK Driver
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@{
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*/
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/** @addtogroup M051_CLK_EXPORTED_FUNCTIONS CLK Exported Constants
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@{
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*/
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#define FREQ_25MHZ 25000000
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#define FREQ_50MHZ 50000000
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#define FREQ_100MHZ 100000000
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#define FREQ_200MHZ 200000000
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/*---------------------------------------------------------------------------------------------------------*/
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/* PWRCON constant definitions. */
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/*---------------------------------------------------------------------------------------------------------*/
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#define CLK_PWRCON_HXT_EN (0x01UL<<CLK_PWRCON_XTL12M_EN_Pos) /*!< Enable 4~24 MHz External High Speed Crystal (HXT) */
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#define CLK_PWRCON_HIRC_EN (0x01UL<<CLK_PWRCON_OSC22M_EN_Pos) /*!< Enable 22.1184 MHz Internal High Speed RC Oscillator (HIRC) */
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#define CLK_PWRCON_LIRC_EN (0x01UL<<CLK_PWRCON_OSC10K_EN_Pos) /*!< Enable 10 kHz Internal Low Speed RC Oscillator (LIRC) */
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/*---------------------------------------------------------------------------------------------------------*/
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/* CLKSEL0 constant definitions. */
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/*---------------------------------------------------------------------------------------------------------*/
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#define CLK_CLKSEL0_HCLK_S_HXT 0x00UL /*!< Setting HCLK clock source as HXT */
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#define CLK_CLKSEL0_HCLK_S_PLL 0x02UL /*!< Setting HCLK clock source as PLL */
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#define CLK_CLKSEL0_HCLK_S_LIRC 0x03UL /*!< Setting HCLK clock source as LIRC */
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#define CLK_CLKSEL0_HCLK_S_HIRC 0x07UL /*!< Setting HCLKclock source as HIRC */
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#define CLK_CLKSEL0_STCLK_S_HXT 0x00UL /*!< Setting SysTick clock source as HXT */
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#define CLK_CLKSEL0_STCLK_S_HXT_DIV2 0x10UL /*!< Setting SysTick clock source as HXT/2 */
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#define CLK_CLKSEL0_STCLK_S_HCLK_DIV2 0x18UL /*!< Setting SysTick clock source as HCLK/2 */
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#define CLK_CLKSEL0_STCLK_S_HIRC_DIV2 0x38UL /*!< Setting SysTick clock source as internal HIRC/2 */
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/*---------------------------------------------------------------------------------------------------------*/
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/* CLKSEL1 constant definitions. */
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/*---------------------------------------------------------------------------------------------------------*/
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#define CLK_CLKSEL1_WDT_S_HCLK_DIV2048 0x00000002UL /*!< Setting WDT clock source as HCLK/2048 */
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#define CLK_CLKSEL1_WDT_S_LIRC 0x00000003UL /*!< Setting WDT clock source as LIRC */
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#define CLK_CLKSEL1_ADC_S_HXT 0x00000000UL /*!< Setting ADC clock source as HXT */
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#define CLK_CLKSEL1_ADC_S_PLL 0x00000004UL /*!< Setting ADC clock source as PLL */
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#define CLK_CLKSEL1_ADC_S_HCLK 0x00000008UL /*!< Setting ADC clock source as HCLK */
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#define CLK_CLKSEL1_ADC_S_HIRC 0x0000000CUL /*!< Setting ADC clock source as HIRC */
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#define CLK_CLKSEL1_SPI0_S_PLL 0x00000000UL /*!< Setting SPI0 clock source as PLL */
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#define CLK_CLKSEL1_SPI0_S_HCLK 0x00000010UL /*!< Setting SPI0 clock source as HCLK */
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#define CLK_CLKSEL1_SPI1_S_PLL 0x00000000UL /*!< Setting SPI1 clock source as PLL */
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#define CLK_CLKSEL1_SPI1_S_HCLK 0x00000020UL /*!< Setting SPI1 clock source as HCLK */
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#define CLK_CLKSEL1_TMR0_S_HXT 0x00000000UL /*!< Setting Timer 0 clock source as HXT */
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#define CLK_CLKSEL1_TMR0_S_HCLK 0x00000200UL /*!< Setting Timer 0 clock source as HCLK */
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#define CLK_CLKSEL1_TMR0_S_T0 0x00000300UL /*!< Setting Timer 0 clock source as T0 */
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#define CLK_CLKSEL1_TMR0_S_LIRC 0x00000500UL /*!< Setting Timer 0 clock source as LIRC */
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#define CLK_CLKSEL1_TMR0_S_HIRC 0x00000700UL /*!< Setting Timer 0 clock source as HIRC */
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#define CLK_CLKSEL1_TMR1_S_HXT 0x00000000UL /*!< Setting Timer 1 clock source as HXT */
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#define CLK_CLKSEL1_TMR1_S_HCLK 0x00002000UL /*!< Setting Timer 1 clock source as HCLK */
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#define CLK_CLKSEL1_TMR1_S_T1 0x00003000UL /*!< Setting Timer 1 clock source as T1 */
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#define CLK_CLKSEL1_TMR1_S_LIRC 0x00005000UL /*!< Setting Timer 1 clock source as LIRC */
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#define CLK_CLKSEL1_TMR1_S_HIRC 0x00007000UL /*!< Setting Timer 1 clock source as HIRC */
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#define CLK_CLKSEL1_TMR2_S_HXT 0x00000000UL /*!< Setting Timer 2 clock source as HXT */
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#define CLK_CLKSEL1_TMR2_S_S_HCLK 0x00020000UL /*!< Setting Timer 2 clock source as HCLK */
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#define CLK_CLKSEL1_TMR2_S_T2 0x00030000UL /*!< Setting Timer 2 clock source as T2 */
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#define CLK_CLKSEL1_TMR2_S_LIRC 0x00050000UL /*!< Setting Timer 2 clock source as LIRC */
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#define CLK_CLKSEL1_TMR2_S_HIRC 0x00070000UL /*!< Setting Timer 2 clock source as HIRC */
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#define CLK_CLKSEL1_TMR3_S_HXT 0x00000000UL /*!< Setting Timer 3 clock source as HXT */
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#define CLK_CLKSEL1_TMR3_S_HCLK 0x00200000UL /*!< Setting Timer 3 clock source as HCLK */
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#define CLK_CLKSEL1_TMR3_S_S_T3 0x00300000UL /*!< Setting Timer 3 clock source as T3 */
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#define CLK_CLKSEL1_TMR3_S_LIRC 0x00500000UL /*!< Setting Timer 3 clock source as LIRC */
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#define CLK_CLKSEL1_TMR3_S_HIRC 0x00700000UL /*!< Setting Timer 3 clock source as HIRC */
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#define CLK_CLKSEL1_UART_S_HXT 0x00000000UL /*!< Setting UART clock source as HXT */
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#define CLK_CLKSEL1_UART_S_PLL 0x01000000UL /*!< Setting UART clock source as PLL */
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#define CLK_CLKSEL1_UART_S_HIRC 0x03000000UL /*!< Setting UART clock source as HIRC */
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#define CLK_CLKSEL1_PWM01_S_HXT 0x00000000UL /*!< Setting PWM01 clock source as HXT */
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#define CLK_CLKSEL1_PWM01_S_LIRC 0x10000000UL /*!< Setting PWM01 clock source as LIRC */
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#define CLK_CLKSEL1_PWM01_S_HCLK 0x20000000UL /*!< Setting PWM01 clock source as HCLK */
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#define CLK_CLKSEL1_PWM01_S_HIRC 0x30000000UL /*!< Setting PWM01 clock source as HIRC */
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#define CLK_CLKSEL1_PWM23_S_HXT 0x00000000UL /*!< Setting PWM23 clock source as HXT */
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#define CLK_CLKSEL1_PWM23_S_LIRC 0x40000000UL /*!< Setting PWM23 clock source as LIRC */
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#define CLK_CLKSEL1_PWM23_S_HCLK 0x80000000UL /*!< Setting PWM23 clock source as HCLK */
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#define CLK_CLKSEL1_PWM23_S_HIRC 0xC0000000UL /*!< Setting PWM23 clock source as HIRC */
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/*---------------------------------------------------------------------------------------------------------*/
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/* CLKSEL2 constant definitions. */
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/*---------------------------------------------------------------------------------------------------------*/
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#define CLK_CLKSEL2_FRQDIV_S_HXT 0x00000000UL /*!< Setting FRQDIV clock source as HXT */
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#define CLK_CLKSEL2_FRQDIV_S_LIRC 0x00000004UL /*!< Setting FRQDIV clock source as LIRC */
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#define CLK_CLKSEL2_FRQDIV_S_HCLK 0x00000008UL /*!< Setting FRQDIV clock source as HCLK */
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#define CLK_CLKSEL2_FRQDIV_S_HIRC 0x0000000CUL /*!< Setting FRQDIV clock source as HIRC */
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#define CLK_CLKSEL2_PWM45_S_HXT 0x00000000UL /*!< Setting PWM45 clock source as HXT */
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#define CLK_CLKSEL2_PWM45_S_LIRC 0x00000010UL /*!< Setting PWM45 clock source as LIRC */
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#define CLK_CLKSEL2_PWM45_S_HCLK 0x00000020UL /*!< Setting PWM45 clock source as HCLK */
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#define CLK_CLKSEL2_PWM45_S_HIRC 0x00000030UL /*!< Setting PWM45 clock source as HIRC */
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#define CLK_CLKSEL2_PWM67_S_HXT 0x00000000UL /*!< Setting PWM67 clock source as HXT */
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#define CLK_CLKSEL2_PWM67_S_LIRC 0x00000040UL /*!< Setting PWM67 clock source as LIRC */
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#define CLK_CLKSEL2_PWM67_S_HCLK 0x00000080UL /*!< Setting PWM67 clock source as HCLK */
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#define CLK_CLKSEL2_PWM67_S_HIRC 0x000000C0UL /*!< Setting PWM67 clock source as HIRC */
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#define CLK_CLKSEL2_WWDT_S_HCLK_DIV2048 0x00020000UL /*!< Setting WWDT clock source as HCLK/2048 */
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#define CLK_CLKSEL2_WWDT_S_LIRC 0x00030000UL /*!< Setting WWDT clock source as LIRC */
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/*---------------------------------------------------------------------------------------------------------*/
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/* CLKDIV constant definitions. */
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/*---------------------------------------------------------------------------------------------------------*/
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#define CLK_CLKDIV_ADC(x) (((x)-1) << 16) /*!< CLKDIV Setting for ADC clock divider. It could be 1~256 */
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#define CLK_CLKDIV_UART(x) (((x)-1) << 8) /*!< CLKDIV Setting for UART clock divider. It could be 1~16 */
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#define CLK_CLKDIV_HCLK(x) ((x)-1) /*!< CLKDIV Setting for HCLK clock divider. It could be 1~16 */
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/*---------------------------------------------------------------------------------------------------------*/
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/* PLLCON constant definitions. PLL = FIN * NF / NR / NO */
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/*---------------------------------------------------------------------------------------------------------*/
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#define CLK_PLLCON_PLL_SRC_HXT 0x00000000UL /*!< For PLL clock source is HXT. 4MHz < FIN < 24MHz */
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#define CLK_PLLCON_PLL_SRC_HIRC 0x00080000UL /*!< For PLL clock source is HIRC. 4MHz < FIN < 24MHz */
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#define CLK_PLLCON_NR(x) (((x)-2)<<9) /*!< x must be constant and 2 <= x <= 33. 1.6MHz < FIN/NR < 15MHz */
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#define CLK_PLLCON_NF(x) ((x)-2) /*!< x must be constant and 2 <= x <= 513. 100MHz < FIN*NF/NR < 200MHz. (120MHz < FIN*NF/NR < 200MHz is preferred.) */
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#define CLK_PLLCON_NO_1 0x0000UL /*!< For output divider is 1 */
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#define CLK_PLLCON_NO_2 0x4000UL /*!< For output divider is 2 */
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#define CLK_PLLCON_NO_4 0xC000UL /*!< For output divider is 4 */
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#define CLK_PLLCON_50MHz_HXT (CLK_PLLCON_PLL_SRC_HXT | CLK_PLLCON_NR(3) | CLK_PLLCON_NF( 25) | CLK_PLLCON_NO_2) /*!< Predefined PLLCON setting for 50MHz PLL output with 12MHz X'tal */
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#define CLK_PLLCON_50MHz_HIRC (CLK_PLLCON_PLL_SRC_HIRC | CLK_PLLCON_NR(13) | CLK_PLLCON_NF( 59) | CLK_PLLCON_NO_2) /*!< Predefined PLLCON setting for 50.1918MHz PLL output with 22.1184MHz IRC */
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/*---------------------------------------------------------------------------------------------------------*/
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/* MODULE constant definitions. */
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/*---------------------------------------------------------------------------------------------------------*/
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#define MODULE_APBCLK(x) ((x >>31) & 0x1) /*!< Calculate APBCLK offset on MODULE index */
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#define MODULE_CLKSEL(x) ((x >>29) & 0x3) /*!< Calculate CLKSEL offset on MODULE index */
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#define MODULE_CLKSEL_Msk(x) ((x >>25) & 0xf) /*!< Calculate CLKSEL mask offset on MODULE index */
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#define MODULE_CLKSEL_Pos(x) ((x >>20) & 0x1f) /*!< Calculate CLKSEL position offset on MODULE index */
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#define MODULE_CLKDIV(x) ((x >>18) & 0x3) /*!< Calculate APBCLK CLKDIV on MODULE index */
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#define MODULE_CLKDIV_Msk(x) ((x >>10) & 0xff) /*!< Calculate CLKDIV mask offset on MODULE index */
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#define MODULE_CLKDIV_Pos(x) ((x >>5 ) & 0x1f) /*!< Calculate CLKDIV position offset on MODULE index */
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#define MODULE_IP_EN_Pos(x) ((x >>0 ) & 0x1f) /*!< Calculate APBCLK offset on MODULE index */
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#define MODULE_NoMsk 0x0 /*!< Not mask on MODULE index */
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/*-------------------------------------------------------------------------------------------------------------------------------------------------*/
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/* APBCLK(31)|CLKSEL(30:29)|CLKSEL_Msk(28:25) |CLKSEL_Pos(24:20)|CLKDIV(19:18)|CLKDIV_Msk(17:10)|CLKDIV_Pos(9:5)|IP_EN_Pos(4:0)*/
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/*-------------------------------------------------------------------------------------------------------------------------------------------------*/
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#define WDT_MODULE ((0x0<<31)|(0x1<<29) |(0x3<<25) |( 0<<20) |(MODULE_NoMsk<<10) |CLK_APBCLK_WDT_EN_Pos ) /*!< WDT Module */
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#define TMR0_MODULE ((0x0<<31)|(0x1<<29) |(0x7<<25) |( 8<<20) |(MODULE_NoMsk<<10) |CLK_APBCLK_TMR0_EN_Pos) /*!< TMR0 Module */
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#define TMR1_MODULE ((0x0<<31)|(0x1<<29) |(0x7<<25) |(12<<20) |(MODULE_NoMsk<<10) |CLK_APBCLK_TMR1_EN_Pos) /*!< TMR1 Module */
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#define TMR2_MODULE ((0x0<<31)|(0x1<<29) |(0x7<<25) |(16<<20) |(MODULE_NoMsk<<10) |CLK_APBCLK_TMR0_EN_Pos) /*!< TMR2 Module */
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#define TMR3_MODULE ((0x0<<31)|(0x1<<29) |(0x7<<25) |(20<<20) |(MODULE_NoMsk<<10) |CLK_APBCLK_TMR1_EN_Pos) /*!< TMR3 Module */
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#define FDIV_MODULE ((0x0<<31)|(0x3<<29) |(0x3<<25) |( 2<<20) |(MODULE_NoMsk<<10) |CLK_APBCLK_FDIV_EN_Pos) /*!< FDIV Module */
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#define I2C0_MODULE ((0x0<<31) |(MODULE_NoMsk<<25) |(MODULE_NoMsk<<10) |CLK_APBCLK_I2C0_EN_Pos) /*!< I2C0 Module */
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#define I2C1_MODULE ((0x0<<31) |(MODULE_NoMsk<<25) |(MODULE_NoMsk<<10) |CLK_APBCLK_I2C1_EN_Pos) /*!< I2C1 Module */
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#define SPI0_MODULE ((0x0<<31)|(0x1<<29) |(0x1<<25) |( 4<<20) |(MODULE_NoMsk<<10) |CLK_APBCLK_SPI0_EN_Pos) /*!< SPI0 Module */
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#define SPI1_MODULE ((0x0<<31)|(0x1<<29) |(0x1<<25) |( 5<<20) |(MODULE_NoMsk<<10) |CLK_APBCLK_SPI1_EN_Pos) /*!< SPI1 Module */
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#define UART0_MODULE ((0x0<<31)|(0x1<<29) |(0x3<<25) |(24<<20) |(0x0<<18) |(0x0F<<10) |( 8<<5) |CLK_APBCLK_UART0_EN_Pos) /*!< UART0 Module */
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#define UART1_MODULE ((0x0<<31)|(0x1<<29) |(0x3<<25) |(24<<20) |(0x0<<18) |(0x0F<<10) |( 8<<5) |CLK_APBCLK_UART1_EN_Pos) /*!< UART1 Module */
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#define PWM01_MODULE ((0x0<<31)|(0x1<<29) |(0x3<<25) |(28<<20) |(MODULE_NoMsk<<10) |CLK_APBCLK_PWM01_EN_Pos) /*!< PWM01 Module */
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#define PWM23_MODULE ((0x0<<31)|(0x1<<29) |(0x3<<25) |(30<<20) |(MODULE_NoMsk<<10) |CLK_APBCLK_PWM23_EN_Pos) /*!< PWM23 Module */
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#define PWM45_MODULE ((0x0<<31)|(0x3<<29) |(0x3<<25) |( 4<<20) |(MODULE_NoMsk<<10) |CLK_APBCLK_PWM45_EN_Pos) /*!< PWM45 Module */
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#define PWM67_MODULE ((0x0<<31)|(0x3<<29) |(0x3<<25) |( 6<<20) |(MODULE_NoMsk<<10) |CLK_APBCLK_PWM67_EN_Pos) /*!< PWM67 Module */
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#define ADC_MODULE ((0x0<<31)|(0x1<<29) |(0x3<<25) |( 2<<20) |(0x0<<18) |(0xFF<<10) |(16<<5) |CLK_APBCLK_ADC_EN_Pos) /*!< ADC Module */
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#define ACMP01_MODULE ((0x0<<31) |(MODULE_NoMsk<<25) |(MODULE_NoMsk<<10) |CLK_APBCLK_ACMP01_EN_Pos) /*!< ACMP01 Module */
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#define ACMP23_MODULE ((0x0<<31) |(MODULE_NoMsk<<25) |(MODULE_NoMsk<<10) |CLK_APBCLK_ACMP23_EN_Pos) /*!< ACMP23 Module */
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#define WWDT_MODULE ((MODULE_NoMsk<<31)|(0x3<<29)|(0x3<<25) |(16<<20) |(MODULE_NoMsk<<10) |MODULE_NoMsk ) /*!< WWDT Module */
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/*@}*/ /* end of group M051_CLK_EXPORTED_CONSTANTS */
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/** @addtogroup M051_CLK_EXPORTED_FUNCTIONS CLK Exported Functions
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@{
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*/
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/**
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* @brief This function get PLL frequency. The frequency unit is Hz.
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* @return PLL frequency
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*/
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static __INLINE uint32_t CLK_GetPLLClockFreq(void)
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{
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uint32_t u32PllFreq = 0, u32PllReg;
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uint32_t u32FIN, u32NF, u32NR, u32NO;
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uint8_t au8NoTbl[4] = {1, 2, 2, 4};
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u32PllReg = CLK->PLLCON;
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if(u32PllReg & (CLK_PLLCON_PD_Msk | CLK_PLLCON_OE_Msk))
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return 0; /* PLL is in power down mode or fix low */
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if(u32PllReg & CLK_PLLCON_PLL_SRC_HIRC)
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u32FIN = __HIRC; /* PLL source clock from HIRC */
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else
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u32FIN = __HXT; /* PLL source clock from HXT */
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if(u32PllReg & CLK_PLLCON_BP_Msk)
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return u32FIN; /* PLL is in bypass mode */
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/* PLL is output enabled in normal work mode */
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u32NO = au8NoTbl[((u32PllReg & CLK_PLLCON_OUT_DV_Msk) >> CLK_PLLCON_OUT_DV_Pos)];
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u32NF = ((u32PllReg & CLK_PLLCON_FB_DV_Msk) >> CLK_PLLCON_FB_DV_Pos) + 2;
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u32NR = ((u32PllReg & CLK_PLLCON_IN_DV_Msk) >> CLK_PLLCON_IN_DV_Pos) + 2;
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/* u32FIN is shifted 2 bits to avoid overflow */
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u32PllFreq = (((u32FIN >> 2) * u32NF) / (u32NR * u32NO) << 2);
|
||
|
|
|
||
|
|
return u32PllFreq;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief This function execute delay function.
|
||
|
|
* @param us Delay time. The Max value is 2^24 / CPU Clock(MHz). Ex:
|
||
|
|
* 50MHz => 335544us, 48MHz => 349525us, 28MHz => 699050us ...
|
||
|
|
* @return None
|
||
|
|
* @details Use the SysTick to generate the delay time and the UNIT is in us.
|
||
|
|
* The SysTick clock source is from HCLK, i.e the same as system core clock.
|
||
|
|
*/
|
||
|
|
static __INLINE void CLK_SysTickDelay(uint32_t us)
|
||
|
|
{
|
||
|
|
SysTick->LOAD = us * CyclesPerUs;
|
||
|
|
SysTick->VAL = (0x00);
|
||
|
|
SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_ENABLE_Msk;
|
||
|
|
|
||
|
|
/* Waiting for down-count to zero */
|
||
|
|
while((SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk) == 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void CLK_DisableCKO(void);
|
||
|
|
void CLK_EnableCKO(uint32_t u32ClkSrc, uint32_t u32ClkDiv, uint32_t u32ClkDivBy1En);
|
||
|
|
void CLK_PowerDown(void);
|
||
|
|
void CLK_Idle(void);
|
||
|
|
uint32_t CLK_GetHXTFreq(void);
|
||
|
|
uint32_t CLK_GetLXTFreq(void);
|
||
|
|
uint32_t CLK_GetHCLKFreq(void);
|
||
|
|
uint32_t CLK_GetPCLKFreq(void);
|
||
|
|
uint32_t CLK_GetCPUFreq(void);
|
||
|
|
uint32_t CLK_SetCoreClock(uint32_t u32Hclk);
|
||
|
|
void CLK_SetHCLK(uint32_t u32ClkSrc, uint32_t u32ClkDiv);
|
||
|
|
void CLK_SetModuleClock(uint32_t u32ModuleIdx, uint32_t u32ClkSrc, uint32_t u32ClkDiv);
|
||
|
|
void CLK_SetSysTickClockSrc(uint32_t u32ClkSrc);
|
||
|
|
void CLK_EnableXtalRC(uint32_t u32ClkMask);
|
||
|
|
void CLK_DisableXtalRC(uint32_t u32ClkMask);
|
||
|
|
void CLK_EnableModuleClock(uint32_t u32ModuleIdx);
|
||
|
|
void CLK_DisableModuleClock(uint32_t u32ModuleIdx);
|
||
|
|
uint32_t CLK_EnablePLL(uint32_t u32PllClkSrc, uint32_t u32PllFreq);
|
||
|
|
void CLK_DisablePLL(void);
|
||
|
|
void CLK_WaitClockReady(uint32_t u32ClkMask);
|
||
|
|
|
||
|
|
|
||
|
|
/*@}*/ /* end of group M051_CLK_EXPORTED_FUNCTIONS */
|
||
|
|
|
||
|
|
/*@}*/ /* end of group M051_CLK_Driver */
|
||
|
|
|
||
|
|
/*@}*/ /* end of group M051_Device_Driver */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#endif //__CLK_H__
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/
|