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author | Trygve Laugstøl <trygvis@inamo.no> | 2017-01-25 22:24:18 +0100 |
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committer | Trygve Laugstøl <trygvis@inamo.no> | 2017-01-25 22:29:25 +0100 |
commit | 40e04e3772726829d66c12e69f24b03920d79c67 (patch) | |
tree | 636811bad956798c9d5d22de9e7ba8c799b8d791 /tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CortexM3/BitBand/main.c | |
parent | 2fff65aed2477a503c72629d27e2a330d30c02d1 (diff) | |
download | stm32f103-playground-40e04e3772726829d66c12e69f24b03920d79c67.tar.gz stm32f103-playground-40e04e3772726829d66c12e69f24b03920d79c67.tar.bz2 stm32f103-playground-40e04e3772726829d66c12e69f24b03920d79c67.tar.xz stm32f103-playground-40e04e3772726829d66c12e69f24b03920d79c67.zip |
o Moving tinyprintf and stm libraries under thirdparty.
Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CortexM3/BitBand/main.c')
-rw-r--r-- | tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CortexM3/BitBand/main.c | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CortexM3/BitBand/main.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CortexM3/BitBand/main.c deleted file mode 100644 index 3074221..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CortexM3/BitBand/main.c +++ /dev/null @@ -1,144 +0,0 @@ -/** - ****************************************************************************** - * @file CortexM3/BitBand/main.c - * @author MCD Application Team - * @version V3.5.0 - * @date 08-April-2011 - * @brief Main program body. - ****************************************************************************** - * @attention - * - * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS - * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE - * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY - * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING - * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE - * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. - * - * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f10x.h" - -/** @addtogroup STM32F10x_StdPeriph_Examples - * @{ - */ - -/** @addtogroup CortexM3_BitBand - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -#define RAM_BASE 0x20000000 -#define RAM_BB_BASE 0x22000000 - -/* Private macro -------------------------------------------------------------*/ -#define Var_ResetBit_BB(VarAddr, BitNumber) \ - (*(__IO uint32_t *) (RAM_BB_BASE | ((VarAddr - RAM_BASE) << 5) | ((BitNumber) << 2)) = 0) - -#define Var_SetBit_BB(VarAddr, BitNumber) \ - (*(__IO uint32_t *) (RAM_BB_BASE | ((VarAddr - RAM_BASE) << 5) | ((BitNumber) << 2)) = 1) - -#define Var_GetBit_BB(VarAddr, BitNumber) \ - (*(__IO uint32_t *) (RAM_BB_BASE | ((VarAddr - RAM_BASE) << 5) | ((BitNumber) << 2))) - -/* Private variables ---------------------------------------------------------*/ - -__IO uint32_t Var, VarAddr = 0, VarBitValue = 0; - -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/** - * @brief Main program. - * @param None - * @retval None - */ -int main(void) -{ - /*!< At this stage the microcontroller clock setting is already configured, - this is done through SystemInit() function which is called from startup - file (startup_stm32f10x_xx.s) before to branch to application main. - To reconfigure the default setting of SystemInit() function, refer to - system_stm32f10x.c file - */ - - Var = 0x00005AA5; - -/* A mapping formula shows how to reference each word in the alias region to a - corresponding bit in the bit-band region. The mapping formula is: - bit_word_addr = bit_band_base + (byte_offset x 32) + (bit_number + 4) - -where: - - bit_word_addr: is the address of the word in the alias memory region that - maps to the targeted bit. - - bit_band_base is the starting address of the alias region - - byte_offset is the number of the byte in the bit-band region that contains - the targeted bit - - bit_number is the bit position (0-7) of the targeted bit */ - -/* Get the variable address --------------------------------------------------*/ - VarAddr = (uint32_t)&Var; - -/* Modify variable bit using bit-band access ---------------------------------*/ - /* Modify Var variable bit 0 -----------------------------------------------*/ - Var_ResetBit_BB(VarAddr, 0); /* Var = 0x00005AA4 */ - Var_SetBit_BB(VarAddr, 0); /* Var = 0x00005AA5 */ - - /* Modify Var variable bit 11 ----------------------------------------------*/ - Var_ResetBit_BB(VarAddr, 11); /* Var = 0x000052A5 */ - /* Get Var variable bit 11 value */ - VarBitValue = Var_GetBit_BB(VarAddr, 11); /* VarBitValue = 0x00000000 */ - - Var_SetBit_BB(VarAddr, 11); /* Var = 0x00005AA5 */ - /* Get Var variable bit 11 value */ - VarBitValue = Var_GetBit_BB(VarAddr, 11); /* VarBitValue = 0x00000001 */ - - /* Modify Var variable bit 31 ----------------------------------------------*/ - Var_SetBit_BB(VarAddr, 31); /* Var = 0x80005AA5 */ - /* Get Var variable bit 31 value */ - VarBitValue = Var_GetBit_BB(VarAddr, 31); /* VarBitValue = 0x00000001 */ - - Var_ResetBit_BB(VarAddr, 31); /* Var = 0x00005AA5 */ - /* Get Var variable bit 31 value */ - VarBitValue = Var_GetBit_BB(VarAddr, 31); /* VarBitValue = 0x00000000 */ - - while (1) - { - } -} - -#ifdef USE_FULL_ASSERT - -/** - * @brief Reports the name of the source file and the source line number - * where the assert_param error has occurred. - * @param file: pointer to the source file name - * @param line: assert_param error line source number - * @retval None - */ -void assert_failed(uint8_t* file, uint32_t line) -{ - /* User can add his own implementation to report the file name and line number, - ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ - - /* Infinite loop */ - while (1) - { - } -} - -#endif - -/** - * @} - */ - -/** - * @} - */ - -/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |