diff options
Diffstat (limited to 'FreeRTOS/Demo/AVR_Dx_MPLAB.X/clk_config.h')
| -rw-r--r-- | FreeRTOS/Demo/AVR_Dx_MPLAB.X/clk_config.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/AVR_Dx_MPLAB.X/clk_config.h b/FreeRTOS/Demo/AVR_Dx_MPLAB.X/clk_config.h new file mode 100644 index 000000000..a66236c4e --- /dev/null +++ b/FreeRTOS/Demo/AVR_Dx_MPLAB.X/clk_config.h @@ -0,0 +1,72 @@ +#ifndef CLK_CONFIG_H_ +#define CLK_CONFIG_H_ + +#include "FreeRTOSConfig.h" + +#if (configCPU_CLOCK_HZ == 24000000) + + #define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_24M_gc); + +#elif (configCPU_CLOCK_HZ == 20000000) + + #define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_20M_gc); + +#elif (configCPU_CLOCK_HZ == 16000000) + + #define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_16M_gc); + +#elif (configCPU_CLOCK_HZ == 12000000) + + #define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_12M_gc); + +#elif (configCPU_CLOCK_HZ == 10000000) + + #define CLK_init() { \ + _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_20M_gc);\ + _PROTECTED_WRITE(CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_2X_gc | CLKCTRL_PEN_bm); \ + } + +#elif (configCPU_CLOCK_HZ == 8000000) + + #define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_8M_gc); + +#elif (configCPU_CLOCK_HZ == 6000000) + + #define CLK_init() { \ + _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_12M_gc);\ + _PROTECTED_WRITE(CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_2X_gc | CLKCTRL_PEN_bm); \ + } + +#elif (configCPU_CLOCK_HZ == 5000000) + + #define CLK_init() { \ + _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_20M_gc);\ + _PROTECTED_WRITE(CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_4X_gc | CLKCTRL_PEN_bm); \ + } + +#elif (configCPU_CLOCK_HZ == 4000000) + + #define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_4M_gc); + +#elif (configCPU_CLOCK_HZ == 3000000) + + #define CLK_init() { \ + _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_12M_gc);\ + _PROTECTED_WRITE(CLKCTRL.MCLKCTRLB, CLKCTRL_PDIV_4X_gc | CLKCTRL_PEN_bm); \ + } + +#elif (configCPU_CLOCK_HZ == 2000000) + + #define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_2M_gc); + +#elif (configCPU_CLOCK_HZ == 1000000) + + #define CLK_init() _PROTECTED_WRITE(CLKCTRL.OSCHFCTRLA, CLKCTRL_FREQSEL_1M_gc); + +#else + + #error The selected clock frequency is not supported. Choose a value from the NOTE in FreeRTOSConfig.h. + +#endif + +#endif /* CLK_CONFIG_H_ */
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