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/flash.h>
#include <libopencm3/stm32/pwr.h>
#include <libopencm3/stm32/rcc.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) |
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... | |
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_set_hsi48_source_rc48 (void) |
RCC Set HSI48 clock source to the RC48 (CRS) More... | |
void | rcc_set_hsi48_source_pll (void) |
RCC Set HSI48 clock source to the PLL. More... | |
void | rcc_set_sysclk_source (enum rcc_osc osc) |
RCC Set the Source for the System Clock. More... | |
void | rcc_set_pll_multiplier (uint32_t factor) |
RCC Set the PLL Multiplication Factor. More... | |
void | rcc_set_pll_divider (uint32_t factor) |
RCC Set the PLL Division Factor. More... | |
void | rcc_set_pll_source (uint32_t pllsrc) |
Set the pll source. More... | |
void | rcc_set_ppre1 (uint32_t ppre) |
RCC Set the APB1 Prescale Factor. More... | |
void | rcc_set_ppre2 (uint32_t ppre) |
RCC Set the APB2 Prescale Factor. More... | |
void | rcc_set_hpre (uint32_t hpre) |
RCC Set the AHB Prescale Factor. More... | |
void | rcc_set_msi_range (uint32_t msi_range) |
Set the range of the MSI oscillator. More... | |
void | rcc_set_lptim1_sel (uint32_t lptim1_sel) |
Set the LPTIM1 clock source. More... | |
void | rcc_set_lpuart1_sel (uint32_t lpuart1_sel) |
Set the LPUART1 clock source. More... | |
void | rcc_set_usart1_sel (uint32_t usart1_sel) |
Set the USART1 clock source. More... | |
void | rcc_set_usart2_sel (uint32_t usart2_sel) |
Set the USART2 clock source. More... | |
void | rcc_set_peripheral_clk_sel (uint32_t periph, uint32_t sel) |
Set the peripheral clock source. More... | |
static uint32_t | rcc_uart_i2c_clksel_freq_hz (uint32_t apb_clk, 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... | |
void | rcc_clock_setup_pll (const struct rcc_clock_scale *clock) |
RCC Setup PLL and use it as Sysclk source. More... | |
Variables | |
uint32_t | rcc_ahb_frequency = 2097000 |
uint32_t | rcc_apb1_frequency = 2097000 |
uint32_t | rcc_apb2_frequency = 2097000 |