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Code Issues Releases Wiki Activity

Fix system_set_cpu_frequency

fix/double
sunnycase 2019-02-14 16:28:23 +08:00
parent e4bd4ccaa7
commit 2fb7143855
1 changed files with 2 additions and 1 deletions
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3
lib/freertos/kernel/devices.cpp
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@ -940,7 +940,8 @@ object_accessor<object_access> &sys::system_handle_to_object(handle_t file)
uint32_t system_set_cpu_frequency(uint32_t frequency)
{
uint32_t result = sysctl_pll_set_freq(SYSCTL_PLL0, (sysctl->clk_sel0.aclk_divider_sel + 1) * 2 * frequency);
uint32_t divider = (sysctl->clk_sel0.aclk_divider_sel + 1) * 2;
uint32_t result = sysctl_pll_set_freq(SYSCTL_PLL0, divider * frequency) / divider;
uxCPUClockRate = result;
uarths_init();
return result;