diff options
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c')
-rw-r--r-- | nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c b/nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c new file mode 100644 index 000000000..004a0dfac --- /dev/null +++ b/nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c @@ -0,0 +1,162 @@ +/**************************************************************************** + * arch/arm/src/stm32/stm32f40xxx_rcc.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: rcc_reset + * + * Description: + * Put all RCC registers in reset state + * + ****************************************************************************/ + +static inline void rcc_reset(void) +{ +#warning "Missing logic" +} + +/**************************************************************************** + * Name: rcc_enableahb1 + * + * Description: + * Enable selected AHB1 peripherals + * + ****************************************************************************/ + +static inline void rcc_enableahb1(void) +{ +#warning "Missing logic" +} + +/**************************************************************************** + * Name: rcc_enableahb2 + * + * Description: + * Enable selected AHB2 peripherals + * + ****************************************************************************/ + +static inline void rcc_enableahb2(void) +{ +#warning "Missing logic" +} + +/**************************************************************************** + * Name: rcc_enableahb3 + * + * Description: + * Enable selected AHB3 peripherals + * + ****************************************************************************/ + +static inline void rcc_enableahb3(void) +{ +#warning "Missing logic" +} + +/**************************************************************************** + * Name: rcc_enableapb1 + * + * Description: + * Enable selected APB1 peripherals + * + ****************************************************************************/ + +static inline void rcc_enableapb1(void) +{ +#warning "Missing logic" +} + +/**************************************************************************** + * Name: rcc_enableapb2 + * + * Description: + * Enable selected APB2 peripherals + * + ****************************************************************************/ + +static inline void rcc_enableapb2(void) +{ +#warning "Missing logic" +} + +/**************************************************************************** + * Name: stm32_stdclockconfig + * + * Description: + * Called to change to new clock based on settings in board.h + * + * NOTE: This logic would need to be extended if you need to select low- + * power clocking modes! + ****************************************************************************/ + +#ifndef CONFIG_ARCH_BOARD_STM32_CUSTOM_CLOCKCONFIG +static inline void stm32_stdclockconfig(void) +{ +#warning "Missing logic" +} +#endif + +/**************************************************************************** + * Name: rcc_enableperiphals + ****************************************************************************/ + +static inline void rcc_enableperipherals(void) +{ + rcc_enableahb1(); + rcc_enableahb2(); + rcc_enableahb3(); + rcc_enableapb1(); + rcc_enableapb2(); +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ |