libopencm3
A free/libre/open-source firmware library for various ARM Cortex-M3 microcontrollers.
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#include <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/pwr.h>
#include <libopencm3/stm32/flash.h>
#include <libopencm3/cm3/assert.h>
Go to the source code of this file.
Functions | |
void | rcc_osc_on (enum rcc_osc osc) |
void | rcc_osc_off (enum rcc_osc osc) |
bool | rcc_is_osc_ready (enum rcc_osc osc) |
Is the given oscillator ready? More... | |
void | rcc_wait_for_osc_ready (enum rcc_osc osc) |
Wait for Oscillator Ready. More... | |
void | rcc_css_enable (void) |
void | rcc_css_disable (void) |
void | rcc_css_int_clear (void) |
int | rcc_css_int_flag (void) |
void | rcc_set_sysclk_source (enum rcc_osc osc) |
Set the Source for the System Clock. More... | |
enum rcc_osc | rcc_system_clock_source (void) |
Return the clock source which is used as system clock. More... | |
void | rcc_wait_for_sysclk_status (enum rcc_osc osc) |
Wait until system clock switched to given oscillator. More... | |
void | rcc_set_pll_source (uint32_t pllsrc) |
Configure pll source. More... | |
void | rcc_set_main_pll (uint32_t source, uint32_t pllm, uint32_t plln, uint32_t pllp, uint32_t pllq, uint32_t pllr) |
Configure pll source and output frequencies. More... | |
void | rcc_enable_pllp (bool enable) |
Enable PLL P clock output. More... | |
void | rcc_enable_pllq (bool enable) |
Enable PLL Q clock output. More... | |
void | rcc_enable_pllr (bool enable) |
Enable PLL R clock output. More... | |
void | rcc_set_ppre (uint32_t ppre) |
Configure APB peripheral clock prescaler. More... | |
void | rcc_set_hpre (uint32_t hpre) |
Configure AHB peripheral clock prescaler. More... | |
void | rcc_set_hsisys_div (uint32_t hsidiv) |
Configure HSI16 clock division factor to feed SYSCLK. More... | |
void | rcc_set_mcopre (uint32_t mcopre) |
Configure mco prescaler. More... | |
void | rcc_clock_setup (const struct rcc_clock_scale *clock) |
Setup sysclock with desired source (HSE/HSI/PLL/LSE/LSI). More... | |
void | rcc_set_rng_clk_div (uint32_t rng_div) |
Setup RNG Peripheral Clock Divider. More... | |
void | rcc_set_peripheral_clk_sel (uint32_t periph, uint32_t sel) |
Set the peripheral clock source. More... | |
static uint32_t | rcc_get_clksel_freq (uint8_t shift) |
uint32_t | rcc_get_usart_clk_freq (uint32_t usart) |
Get the peripheral clock speed for the USART at base specified. More... | |
uint32_t | rcc_get_timer_clk_freq (uint32_t timer) |
Get the peripheral clock speed for the Timer at base specified. More... | |
uint32_t | rcc_get_i2c_clk_freq (uint32_t i2c) |
Get the peripheral clock speed for the I2C device at base specified. More... | |
uint32_t | rcc_get_spi_clk_freq (uint32_t spi) |
Get the peripheral clock speed for the SPI device at base specified. More... | |
Variables | |
uint32_t | rcc_ahb_frequency = 16000000 |
uint32_t | rcc_apb1_frequency = 16000000 |
const struct rcc_clock_scale | rcc_clock_config [RCC_CLOCK_CONFIG_END] |