libopencm3
A free/libre/open-source firmware library for various ARM Cortex-M3 microcontrollers.
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#include <libopencm3/cm3/assert.h>
#include <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/flash.h>
#include <libopencm3/stm32/i2c.h>
Go to the source code of this file.
Functions | |
void | rcc_osc_ready_int_clear (enum rcc_osc osc) |
RCC Clear the Oscillator Ready Interrupt Flag. More... | |
void | rcc_osc_ready_int_enable (enum rcc_osc osc) |
RCC Enable the Oscillator Ready Interrupt. More... | |
void | rcc_osc_ready_int_disable (enum rcc_osc osc) |
RCC Disable the Oscillator Ready Interrupt. More... | |
int | rcc_osc_ready_int_flag (enum rcc_osc osc) |
RCC Read the Oscillator Ready Interrupt Flag. More... | |
void | rcc_css_int_clear (void) |
RCC Clear the Clock Security System Interrupt Flag. More... | |
int | rcc_css_int_flag (void) |
RCC Read the Clock Security System Interrupt Flag. More... | |
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_osc_on (enum rcc_osc osc) |
RCC Turn on an Oscillator. More... | |
void | rcc_osc_off (enum rcc_osc osc) |
RCC Turn off an Oscillator. More... | |
void | rcc_css_enable (void) |
RCC Enable the Clock Security System. More... | |
void | rcc_css_disable (void) |
RCC Disable the Clock Security System. More... | |
void | rcc_set_sysclk_source (enum rcc_osc clk) |
RCC Set the Source for the System Clock. More... | |
void | rcc_set_usbclk_source (enum rcc_osc clk) |
RCC Set the Source for the USB Clock. More... | |
void | rcc_enable_rtc_clock (void) |
RCC Enable the RTC clock. More... | |
void | rcc_disable_rtc_clock (void) |
RCC Disable the RTC clock. More... | |
void | rcc_set_rtc_clock_source (enum rcc_osc clk) |
RCC Set the Source for the RTC clock. More... | |
void | rcc_set_pll_multiplication_factor (uint32_t mul) |
RCC Set the PLL Multiplication Factor. More... | |
void | rcc_set_pll_source (uint32_t pllsrc) |
RCC Set the PLL Clock Source. More... | |
void | rcc_set_pllxtpre (uint32_t pllxtpre) |
RCC Set the HSE Frequency Divider used as PLL Clock Source. More... | |
void | rcc_set_ppre (uint32_t ppre) |
RCC Set the APB Prescale Factor. More... | |
void | rcc_set_hpre (uint32_t hpre) |
RCC Set the AHB Prescale Factor. More... | |
void | rcc_set_prediv (uint32_t prediv) |
Set PLL Source pre-divider CAUTION. More... | |
enum rcc_osc | rcc_system_clock_source (void) |
RCC Get the System Clock Source. More... | |
void | rcc_set_i2c_clock_hsi (uint32_t i2c) |
void | rcc_set_i2c_clock_sysclk (uint32_t i2c) |
uint32_t | rcc_get_i2c_clocks (void) |
enum rcc_osc | rcc_usb_clock_source (void) |
RCC Get the USB Clock Source. More... | |
void | rcc_clock_setup_in_hse_8mhz_out_48mhz (void) |
Set System Clock PLL at 48MHz from HSE at 8MHz. More... | |
void | rcc_clock_setup_in_hsi_out_48mhz (void) |
Set System Clock PLL at 48MHz from HSI. More... | |
void | rcc_clock_setup_in_hsi48_out_48mhz (void) |
Set System Clock HSI48 at 48MHz. More... | |
static uint32_t | rcc_get_usart_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 = 8000000 |
uint32_t | rcc_apb1_frequency = 8000000 |