72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
#ifndef CLK_CONFIG_H_
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#define CLK_CONFIG_H_
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#include "FreeRTOSConfig.h"
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#if (configCPU_CLOCK_HZ == 24000000)
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#define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_24M_gc);
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#elif (configCPU_CLOCK_HZ == 20000000)
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#define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_20M_gc);
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#elif (configCPU_CLOCK_HZ == 16000000)
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#define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_16M_gc);
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#elif (configCPU_CLOCK_HZ == 12000000)
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#define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_12M_gc);
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#elif (configCPU_CLOCK_HZ == 10000000)
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#define CLK_init() { \
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_PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_20M_gc);\
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_PROTECTED_WRITE(CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_2X_gc | CLKCTRL_PEN_bm); \
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}
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#elif (configCPU_CLOCK_HZ == 8000000)
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#define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_8M_gc);
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#elif (configCPU_CLOCK_HZ == 6000000)
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#define CLK_init() { \
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_PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_12M_gc);\
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_PROTECTED_WRITE(CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_2X_gc | CLKCTRL_PEN_bm); \
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}
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#elif (configCPU_CLOCK_HZ == 5000000)
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#define CLK_init() { \
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_PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_20M_gc);\
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_PROTECTED_WRITE(CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_4X_gc | CLKCTRL_PEN_bm); \
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}
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#elif (configCPU_CLOCK_HZ == 4000000)
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#define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_4M_gc);
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#elif (configCPU_CLOCK_HZ == 3000000)
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#define CLK_init() { \
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_PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_12M_gc);\
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_PROTECTED_WRITE(CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_4X_gc | CLKCTRL_PEN_bm); \
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}
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#elif (configCPU_CLOCK_HZ == 2000000)
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#define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_2M_gc);
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#elif (configCPU_CLOCK_HZ == 1000000)
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#define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_1M_gc);
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#else
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#error The selected clock frequency is not supported. Choose a value from the NOTE in FreeRTOSConfig.h.
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#endif
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#endif /* CLK_CONFIG_H_ */ |