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comparison libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/FLASH/Dual_Boot/main.c @ 0:c59513fd84fb

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Initial commit of STM32 test code.
author Daniel O'Connor <darius@dons.net.au>
date Mon, 03 Oct 2011 21:19:15 +1030
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1 /**
2 ******************************************************************************
3 * @file FLASH/Dual_Boot/main.c
4 * @author MCD Application Team
5 * @version V3.5.0
6 * @date 08-April-2011
7 * @brief Main program body
8 ******************************************************************************
9 * @attention
10 *
11 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
12 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
13 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
14 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
15 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
16 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
17 *
18 * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
19 ******************************************************************************
20 */
21
22 /* Includes ------------------------------------------------------------------*/
23 #include "main.h"
24
25
26 /** @addtogroup STM32F10x_StdPeriph_Examples
27 * @{
28 */
29
30 /** @addtogroup Dual_Boot
31 * @{
32 */
33
34 /* Private typedef -----------------------------------------------------------*/
35 typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus;
36
37 /* Private define ------------------------------------------------------------*/
38 /* Uncomment one of the lines below to select which bank to boot from */
39 #if !defined(BOOT_FROM_BANK1) && !defined(BOOT_FROM_BANK2)
40 //#define BOOT_FROM_BANK1 /* The program will be loaded on Flash Bank1 */
41 //#define BOOT_FROM_BANK2 /* The program will be loaded on Flash Bank2 */
42 #endif
43
44 #if defined(BOOT_FROM_BANK1)
45 #define MESSAGE4 " Running from Bank 1"
46 #elif defined(BOOT_FROM_BANK2)
47 #define MESSAGE4 " Running from Bank 2"
48 #else
49 #error "Select Boot from Bank1 or Bank2 using defines:BOOT_FROM_BANK1 or BOOT_FROM_BANK2!"
50 #endif
51
52 #define MESSAGE1 " STM32 XL Density "
53 #define MESSAGE2 " Device running on "
54 #define MESSAGE3 " STM3210E-EVAL "
55
56 #define MESSAGE5 " Joystick-DOWN: reset BFB2"
57 #define MESSAGE6 " bit to Boot from Bank2 "
58 #define MESSAGE7 " Joystick-UP: set BFB2 "
59 #define MESSAGE8 " bit to Boot from Bank1 "
60
61 #define MESSAGE9 " Joystick-SEL: program to "
62 #define MESSAGE10 " 0x0 the base @ of Bank1/2"
63
64 #define MESSAGE11 " Operation Failed !"
65 #define MESSAGE12 "Bank 1/2 base @ -> 0"
66
67 #define BANK1_START_ADDRESS 0x08000000
68 #define BANK2_START_ADDRESS 0x08080000
69
70 /* Private macro -------------------------------------------------------------*/
71 /* Private variables ---------------------------------------------------------*/
72 USART_InitTypeDef USART_InitStructure;
73
74 static __IO uint32_t TimingDelay;
75 RCC_ClocksTypeDef RCC_Clocks;
76
77 /* Private function prototypes -----------------------------------------------*/
78 void Delay(__IO uint32_t nTime);
79
80 /* Private functions ---------------------------------------------------------*/
81
82 /**
83 * @brief Main program
84 * @param None
85 * @retval None
86 */
87 int main(void)
88 {
89 /*!< At this stage the microcontroller clock setting is already configured,
90 this is done through SystemInit() function which is called from startup
91 file (startup_stm32f10x_xx.s) before to branch to application main.
92 To reconfigure the default setting of SystemInit() function, refer to
93 system_stm32f10x.c file
94 */
95
96 /* Set the vector table address */
97 #if defined(BOOT_FROM_BANK1)
98 /* Set the vector table to the Bank1 start address */
99 NVIC_SetVectorTable(NVIC_VectTab_FLASH, BANK1_START_ADDRESS);
100 #elif defined(BOOT_FROM_BANK2)
101 /* Set the vector table to the Bank1 start address */
102 NVIC_SetVectorTable(NVIC_VectTab_FLASH, BANK2_START_ADDRESS);
103 #endif /* BOOT_FROM_BANK1 */
104
105 /* Initialize LEDs, Buttons and LCD on STM3210E-EVAL board *****************/
106 STM_EVAL_LEDInit(LED1);
107 STM_EVAL_LEDInit(LED2);
108 STM_EVAL_LEDInit(LED3);
109 STM_EVAL_LEDInit(LED4);
110
111 /* SysTick end of count event each 10ms */
112 RCC_GetClocksFreq(&RCC_Clocks);
113 SysTick_Config(RCC_Clocks.HCLK_Frequency / 100);
114
115 /* Configure the Joystick buttons */
116 STM_EVAL_PBInit(BUTTON_UP, BUTTON_MODE_GPIO);
117 STM_EVAL_PBInit(BUTTON_SEL, BUTTON_MODE_GPIO);
118 STM_EVAL_PBInit(BUTTON_DOWN, BUTTON_MODE_GPIO);
119 /* Initialize the LCD */
120 STM3210E_LCD_Init();
121
122 /* Display message on STM3210E-EVAL LCD *************************************/
123 /* Clear the LCD */
124 LCD_Clear(LCD_COLOR_WHITE);
125
126 /* Set the LCD Back Color */
127 #if defined(BOOT_FROM_BANK1)
128 LCD_SetBackColor(LCD_COLOR_BLUE);
129 #elif defined(BOOT_FROM_BANK2)
130 LCD_SetBackColor(LCD_COLOR_RED);
131 #endif /* BOOT_FROM_BANK1 */
132
133 /* Set the LCD Text Color */
134 LCD_SetTextColor(LCD_COLOR_WHITE);
135 LCD_DisplayStringLine(LCD_LINE_0, MESSAGE1);
136 LCD_DisplayStringLine(LCD_LINE_1, MESSAGE2);
137 LCD_DisplayStringLine(LCD_LINE_2, MESSAGE3);
138 LCD_DisplayStringLine(LCD_LINE_4, MESSAGE4);
139
140 LCD_SetFont(&Font12x12);
141 LCD_DisplayStringLine(LCD_LINE_12, MESSAGE5);
142 LCD_DisplayStringLine(LCD_LINE_13, MESSAGE6);
143 LCD_DisplayStringLine(LCD_LINE_15, MESSAGE7);
144 LCD_DisplayStringLine(LCD_LINE_16, MESSAGE8);
145 LCD_DisplayStringLine(LCD_LINE_18, MESSAGE9);
146 LCD_DisplayStringLine(LCD_LINE_19, MESSAGE10);
147 LCD_SetFont(&Font16x24);
148
149 /* Turn on leds available on STM3210E-EVAL **********************************/
150 STM_EVAL_LEDOn(LED1);
151 STM_EVAL_LEDOn(LED2);
152 STM_EVAL_LEDOn(LED3);
153 STM_EVAL_LEDOn(LED4);
154
155 /* Infinite loop */
156 while (1)
157 {
158 /*--- If Joystick DOWN button is pushed, reset BFB2 bit to enable boot from Bank2
159 (active after next reset, w/ Boot pins set in Boot from Flash memory position ---*/
160 if (STM_EVAL_PBGetState(BUTTON_DOWN) == 0)
161 {
162 /* Reset BFB2 bit to enable boot from Flash Bank2 */
163 FLASH_Unlock();
164 FLASH_EraseOptionBytes();
165
166 if (FLASH_BootConfig(FLASH_BOOT_Bank2) == FLASH_COMPLETE)
167 {
168 /* Generate System Reset to load the new option byte values */
169 NVIC_SystemReset();
170 }
171 else
172 {
173 /* Display information */
174 LCD_DisplayStringLine(LCD_LINE_6, MESSAGE11);
175 }
176 }
177
178 /*--- If Joystick UP button is pushed, set BFB2 bit to enable boot from Bank1
179 (active after next reset, w/ Boot pins set in Boot from Flash memory position ---*/
180 if (STM_EVAL_PBGetState(BUTTON_UP) == 0)
181 {
182 /* Set BFB2 bit to enable boot from Flash Bank2 */
183 FLASH_Unlock();
184 FLASH_EraseOptionBytes();
185 if (FLASH_BootConfig(FLASH_BOOT_Bank1) == FLASH_COMPLETE)
186 {
187 /* Generate System Reset to load the new option byte values */
188 NVIC_SystemReset();
189 }
190 else
191 {
192 /* Display information */
193 LCD_DisplayStringLine(LCD_LINE_6, MESSAGE11);
194 }
195 }
196
197 /*--- If Joystick UP button is pushed, program the content of address 0x08080000
198 (base address of Bank2) and 0x08000000(base address of Bank1) to 0x00 --*/
199 if (STM_EVAL_PBGetState(BUTTON_SEL) == 0)
200 {
201 FLASH_Unlock();
202 /* Erase stack pointer value at Bank 2 start address */
203 FLASH_ProgramWord(BANK2_START_ADDRESS, 0x00);
204 /* Erase stack pointer value at Bank 1 start address */
205 FLASH_ProgramWord(BANK1_START_ADDRESS, 0x00);
206 FLASH_Lock();
207
208 LCD_ClearLine(LCD_LINE_7);
209 LCD_ClearLine(LCD_LINE_8);
210 LCD_ClearLine(LCD_LINE_9);
211
212 /* Check if erase operation is OK */
213 if ((uint32_t)(*(uint32_t *)BANK2_START_ADDRESS) == 0x00)
214 {
215 if ((uint32_t)(*(uint32_t *)BANK1_START_ADDRESS) != 0x00)
216 {
217 /* Display information */
218 LCD_DisplayStringLine(LCD_LINE_6, MESSAGE11);
219 }
220 else
221 {
222 /* Display information */
223 LCD_DisplayStringLine(LCD_LINE_6, MESSAGE12);
224 }
225 }
226 else
227 {
228 /* Display information */
229 LCD_DisplayStringLine(LCD_LINE_6, MESSAGE11);
230 }
231 }
232
233 /* Toggle LD3 */
234 STM_EVAL_LEDToggle(LED3);
235
236 /* Insert 50 ms delay */
237 Delay(5);
238
239 /* Toggle LD2 */
240 STM_EVAL_LEDToggle(LED2);
241
242 /* Insert 100 ms delay */
243 Delay(10);
244 }
245 }
246
247 /**
248 * @brief Inserts a delay time.
249 * @param nTime: specifies the delay time length, in 10 ms.
250 * @retval None
251 */
252 void Delay(__IO uint32_t nTime)
253 {
254 TimingDelay = nTime;
255
256 while (TimingDelay != 0);
257 }
258
259 /**
260 * @brief Decrements the TimingDelay variable.
261 * @param None
262 * @retval None
263 */
264 void TimingDelay_Decrement(void)
265 {
266 if (TimingDelay != 0x00)
267 {
268 TimingDelay--;
269 }
270 }
271
272 #ifdef USE_FULL_ASSERT
273
274 /**
275 * @brief Reports the name of the source file and the source line number
276 * where the assert_param error has occurred.
277 * @param file: pointer to the source file name
278 * @param line: assert_param error line source number
279 * @retval None
280 */
281 void assert_failed(uint8_t* file, uint32_t line)
282 {
283 /* User can add his own implementation to report the file name and line number,
284 ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
285
286 while (1)
287 {}
288 }
289
290 #endif
291
292 /**
293 * @}
294 */
295
296 /**
297 * @}
298 */
299
300 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/