In the latest SKD 1.0.0 I've seen an interesting function:
system_update_cpu_freq
Function: Set CPU frequency. Default is 80MHz.
Prototype:
bool system_update_cpu_freq(uint8 freq)
Parameter:
uint8 freq : CPU frequency
#define SYS_CPU_80MHz 80
#define SYS_CPU_160MHz 160
Return:
true: succeed
false: fail
which is nice, you can double the speed.
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