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+/**
+ ******************************************************************************
+ * @file FLASH/Dual_Boot/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>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+
+/** @addtogroup STM32F10x_StdPeriph_Examples
+ * @{
+ */
+
+/** @addtogroup Dual_Boot
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus;
+
+/* Private define ------------------------------------------------------------*/
+/* Uncomment one of the lines below to select which bank to boot from */
+#if !defined(BOOT_FROM_BANK1) && !defined(BOOT_FROM_BANK2)
+//#define BOOT_FROM_BANK1 /* The program will be loaded on Flash Bank1 */
+//#define BOOT_FROM_BANK2 /* The program will be loaded on Flash Bank2 */
+#endif
+
+#if defined(BOOT_FROM_BANK1)
+ #define MESSAGE4 " Running from Bank 1"
+#elif defined(BOOT_FROM_BANK2)
+ #define MESSAGE4 " Running from Bank 2"
+#else
+ #error "Select Boot from Bank1 or Bank2 using defines:BOOT_FROM_BANK1 or BOOT_FROM_BANK2!"
+#endif
+
+#define MESSAGE1 " STM32 XL Density "
+#define MESSAGE2 " Device running on "
+#define MESSAGE3 " STM3210E-EVAL "
+
+#define MESSAGE5 " Joystick-DOWN: reset BFB2"
+#define MESSAGE6 " bit to Boot from Bank2 "
+#define MESSAGE7 " Joystick-UP: set BFB2 "
+#define MESSAGE8 " bit to Boot from Bank1 "
+
+#define MESSAGE9 " Joystick-SEL: program to "
+#define MESSAGE10 " 0x0 the base @ of Bank1/2"
+
+#define MESSAGE11 " Operation Failed !"
+#define MESSAGE12 "Bank 1/2 base @ -> 0"
+
+#define BANK1_START_ADDRESS 0x08000000
+#define BANK2_START_ADDRESS 0x08080000
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+USART_InitTypeDef USART_InitStructure;
+
+static __IO uint32_t TimingDelay;
+RCC_ClocksTypeDef RCC_Clocks;
+
+/* Private function prototypes -----------------------------------------------*/
+void Delay(__IO uint32_t nTime);
+
+/* 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
+ */
+
+ /* Set the vector table address */
+#if defined(BOOT_FROM_BANK1)
+ /* Set the vector table to the Bank1 start address */
+ NVIC_SetVectorTable(NVIC_VectTab_FLASH, BANK1_START_ADDRESS);
+#elif defined(BOOT_FROM_BANK2)
+ /* Set the vector table to the Bank1 start address */
+ NVIC_SetVectorTable(NVIC_VectTab_FLASH, BANK2_START_ADDRESS);
+#endif /* BOOT_FROM_BANK1 */
+
+ /* Initialize LEDs, Buttons and LCD on STM3210E-EVAL board *****************/
+ STM_EVAL_LEDInit(LED1);
+ STM_EVAL_LEDInit(LED2);
+ STM_EVAL_LEDInit(LED3);
+ STM_EVAL_LEDInit(LED4);
+
+ /* SysTick end of count event each 10ms */
+ RCC_GetClocksFreq(&RCC_Clocks);
+ SysTick_Config(RCC_Clocks.HCLK_Frequency / 100);
+
+ /* Configure the Joystick buttons */
+ STM_EVAL_PBInit(BUTTON_UP, BUTTON_MODE_GPIO);
+ STM_EVAL_PBInit(BUTTON_SEL, BUTTON_MODE_GPIO);
+ STM_EVAL_PBInit(BUTTON_DOWN, BUTTON_MODE_GPIO);
+ /* Initialize the LCD */
+ STM3210E_LCD_Init();
+
+ /* Display message on STM3210E-EVAL LCD *************************************/
+ /* Clear the LCD */
+ LCD_Clear(LCD_COLOR_WHITE);
+
+ /* Set the LCD Back Color */
+#if defined(BOOT_FROM_BANK1)
+ LCD_SetBackColor(LCD_COLOR_BLUE);
+#elif defined(BOOT_FROM_BANK2)
+ LCD_SetBackColor(LCD_COLOR_RED);
+#endif /* BOOT_FROM_BANK1 */
+
+ /* Set the LCD Text Color */
+ LCD_SetTextColor(LCD_COLOR_WHITE);
+ LCD_DisplayStringLine(LCD_LINE_0, MESSAGE1);
+ LCD_DisplayStringLine(LCD_LINE_1, MESSAGE2);
+ LCD_DisplayStringLine(LCD_LINE_2, MESSAGE3);
+ LCD_DisplayStringLine(LCD_LINE_4, MESSAGE4);
+
+ LCD_SetFont(&Font12x12);
+ LCD_DisplayStringLine(LCD_LINE_12, MESSAGE5);
+ LCD_DisplayStringLine(LCD_LINE_13, MESSAGE6);
+ LCD_DisplayStringLine(LCD_LINE_15, MESSAGE7);
+ LCD_DisplayStringLine(LCD_LINE_16, MESSAGE8);
+ LCD_DisplayStringLine(LCD_LINE_18, MESSAGE9);
+ LCD_DisplayStringLine(LCD_LINE_19, MESSAGE10);
+ LCD_SetFont(&Font16x24);
+
+ /* Turn on leds available on STM3210E-EVAL **********************************/
+ STM_EVAL_LEDOn(LED1);
+ STM_EVAL_LEDOn(LED2);
+ STM_EVAL_LEDOn(LED3);
+ STM_EVAL_LEDOn(LED4);
+
+ /* Infinite loop */
+ while (1)
+ {
+ /*--- If Joystick DOWN button is pushed, reset BFB2 bit to enable boot from Bank2
+ (active after next reset, w/ Boot pins set in Boot from Flash memory position ---*/
+ if (STM_EVAL_PBGetState(BUTTON_DOWN) == 0)
+ {
+ /* Reset BFB2 bit to enable boot from Flash Bank2 */
+ FLASH_Unlock();
+ FLASH_EraseOptionBytes();
+
+ if (FLASH_BootConfig(FLASH_BOOT_Bank2) == FLASH_COMPLETE)
+ {
+ /* Generate System Reset to load the new option byte values */
+ NVIC_SystemReset();
+ }
+ else
+ {
+ /* Display information */
+ LCD_DisplayStringLine(LCD_LINE_6, MESSAGE11);
+ }
+ }
+
+ /*--- If Joystick UP button is pushed, set BFB2 bit to enable boot from Bank1
+ (active after next reset, w/ Boot pins set in Boot from Flash memory position ---*/
+ if (STM_EVAL_PBGetState(BUTTON_UP) == 0)
+ {
+ /* Set BFB2 bit to enable boot from Flash Bank2 */
+ FLASH_Unlock();
+ FLASH_EraseOptionBytes();
+ if (FLASH_BootConfig(FLASH_BOOT_Bank1) == FLASH_COMPLETE)
+ {
+ /* Generate System Reset to load the new option byte values */
+ NVIC_SystemReset();
+ }
+ else
+ {
+ /* Display information */
+ LCD_DisplayStringLine(LCD_LINE_6, MESSAGE11);
+ }
+ }
+
+ /*--- If Joystick UP button is pushed, program the content of address 0x08080000
+ (base address of Bank2) and 0x08000000(base address of Bank1) to 0x00 --*/
+ if (STM_EVAL_PBGetState(BUTTON_SEL) == 0)
+ {
+ FLASH_Unlock();
+ /* Erase stack pointer value at Bank 2 start address */
+ FLASH_ProgramWord(BANK2_START_ADDRESS, 0x00);
+ /* Erase stack pointer value at Bank 1 start address */
+ FLASH_ProgramWord(BANK1_START_ADDRESS, 0x00);
+ FLASH_Lock();
+
+ LCD_ClearLine(LCD_LINE_7);
+ LCD_ClearLine(LCD_LINE_8);
+ LCD_ClearLine(LCD_LINE_9);
+
+ /* Check if erase operation is OK */
+ if ((uint32_t)(*(uint32_t *)BANK2_START_ADDRESS) == 0x00)
+ {
+ if ((uint32_t)(*(uint32_t *)BANK1_START_ADDRESS) != 0x00)
+ {
+ /* Display information */
+ LCD_DisplayStringLine(LCD_LINE_6, MESSAGE11);
+ }
+ else
+ {
+ /* Display information */
+ LCD_DisplayStringLine(LCD_LINE_6, MESSAGE12);
+ }
+ }
+ else
+ {
+ /* Display information */
+ LCD_DisplayStringLine(LCD_LINE_6, MESSAGE11);
+ }
+ }
+
+ /* Toggle LD3 */
+ STM_EVAL_LEDToggle(LED3);
+
+ /* Insert 50 ms delay */
+ Delay(5);
+
+ /* Toggle LD2 */
+ STM_EVAL_LEDToggle(LED2);
+
+ /* Insert 100 ms delay */
+ Delay(10);
+ }
+}
+
+/**
+ * @brief Inserts a delay time.
+ * @param nTime: specifies the delay time length, in 10 ms.
+ * @retval None
+ */
+void Delay(__IO uint32_t nTime)
+{
+ TimingDelay = nTime;
+
+ while (TimingDelay != 0);
+}
+
+/**
+ * @brief Decrements the TimingDelay variable.
+ * @param None
+ * @retval None
+ */
+void TimingDelay_Decrement(void)
+{
+ if (TimingDelay != 0x00)
+ {
+ TimingDelay--;
+ }
+}
+
+#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) */
+
+ while (1)
+ {}
+}
+
+#endif
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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