begriffs open source - cmsis-freertos/blob - Demo/AVR_Dx_IAR/clk_config.h

   1 #ifndef CLK_CONFIG_H_
   2 #define CLK_CONFIG_H_
   3
   4 #include "FreeRTOSConfig.h"
   5 #include "protected_io/ccp.h"
   6
   7 #if ( configCPU_CLOCK_HZ == 24000000 )
   8
   9     #define CLK_init()  ccp_write_io((void *)&(CLKCTRL.OSCHFCTRLA), CLKCTRL_FREQSEL_24M_gc);
  10
  11 #elif ( configCPU_CLOCK_HZ == 20000000 )
  12
  13     #define CLK_init()  ccp_write_io((void *)&(CLKCTRL.OSCHFCTRLA), CLKCTRL_FREQSEL_20M_gc);
  14
  15 #elif ( configCPU_CLOCK_HZ == 16000000 )
  16
  17     #define CLK_init()  ccp_write_io((void *)&(CLKCTRL.OSCHFCTRLA), CLKCTRL_FREQSEL_16M_gc);
  18
  19 #elif ( configCPU_CLOCK_HZ == 12000000 )
  20
  21     #define CLK_init()  ccp_write_io((void *)&(CLKCTRL.OSCHFCTRLA), CLKCTRL_FREQSEL_12M_gc);
  22
  23 #elif ( configCPU_CLOCK_HZ == 10000000 )
  24
  25     #define CLK_init()  { \
  26                         ccp_write_io((void *)&(CLKCTRL.OSCHFCTRLA), CLKCTRL_FREQSEL_20M_gc); \
  27                         ccp_write_io((void *)&(CLKCTRL.MCLKCTRLB), CLKCTRL_PDIV_2X_gc | CLKCTRL_PEN_bm); \
  28                         }
  29
  30 #elif ( configCPU_CLOCK_HZ == 8000000 )
  31
  32     #define CLK_init()  ccp_write_io((void *)&(CLKCTRL.OSCHFCTRLA), CLKCTRL_FREQSEL_8M_gc);
  33
  34 #elif ( configCPU_CLOCK_HZ == 6000000 )
  35
  36     #define CLK_init()  { \
  37                         ccp_write_io((void *)&(CLKCTRL.OSCHFCTRLA), CLKCTRL_FREQSEL_12M_gc); \
  38                         ccp_write_io((void *)&(CLKCTRL.MCLKCTRLB), CLKCTRL_PDIV_2X_gc | CLKCTRL_PEN_bm); \
  39                         }
  40
  41 #elif ( configCPU_CLOCK_HZ == 5000000 )
  42
  43     #define CLK_init()  { \
  44                         ccp_write_io((void *)&(CLKCTRL.OSCHFCTRLA), CLKCTRL_FREQSEL_20M_gc); \
  45                         ccp_write_io((void *)&(CLKCTRL.MCLKCTRLB), CLKCTRL_PDIV_4X_gc | CLKCTRL_PEN_bm); \
  46                         }
  47
  48 #elif ( configCPU_CLOCK_HZ == 4000000 )
  49
  50     #define CLK_init()  ccp_write_io((void *)&(CLKCTRL.OSCHFCTRLA), CLKCTRL_FREQSEL_4M_gc);
  51
  52 #elif ( configCPU_CLOCK_HZ == 3000000 )
  53
  54     #define CLK_init()  { \
  55                         ccp_write_io((void *)&(CLKCTRL.OSCHFCTRLA), CLKCTRL_FREQSEL_12M_gc); \
  56                         ccp_write_io((void *)&(CLKCTRL.MCLKCTRLB), CLKCTRL_PDIV_4X_gc | CLKCTRL_PEN_bm); \
  57                         }
  58
  59 #elif ( configCPU_CLOCK_HZ == 2000000 )
  60
  61     #define CLK_init()  ccp_write_io((void *)&(CLKCTRL.OSCHFCTRLA), CLKCTRL_FREQSEL_2M_gc);
  62
  63 #elif ( configCPU_CLOCK_HZ == 1000000 )
  64
  65     #define CLK_init()  ccp_write_io((void *)&(CLKCTRL.OSCHFCTRLA), CLKCTRL_FREQSEL_1M_gc);
  66
  67 #else
  68
  69     #error The selected clock frequency is not supported. Choose a value from the NOTE in FreeRTOSConfig.h.
  70
  71 #endif
  72
  73 #endif /* CLK_CONFIG_H_ */