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Add LSI configuration function to RCC

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This commit is contained in:
Steins7 2024-07-16 21:50:01 +02:00
parent 3e97d4fe7e
commit 699569ec99
2 changed files with 16 additions and 0 deletions
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10
drv/rcc.c
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@ -60,6 +60,16 @@ void rcc_configure(enum RccPreset preset)
regs->APB2ENR = apb2_enr;
}
void rcc_configure_lsi(bool enable)
{
regs->CSR.LSION = enable;
//ensure LSI is enabled
if (enable) {
while (regs->CSR.LSIRDY != 0x1);
}
}
void rcc_enable(enum RccAhb ahb_mask, enum RccApb1 apb1_mask,
enum RccApb2 apb2_mask)
{

6
drv/rcc.h
View File

@ -112,6 +112,12 @@ struct RccClocks {
*/
void rcc_configure(enum RccPreset preset);
/**
* Configures the Low Speed Internal (LSI) oscillator for low power
* applications.
*/
void rcc_configure_lsi(bool enable);
/**
* Enables peripherals on the different buses. The enums values can used as
* masks to enable multiple peripherals at the same time. Invalid values will be