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STM8S/A Standard Peripherals Firmware Library
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STM8S_StdPeriph_Examples/FLASH/FLASH_DataProgram/main.c
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00001 /** 00002 ****************************************************************************** 00003 * @file FLASH/FLASH_DataProgram/main.c 00004 * @author MCD Application Team 00005 * @version V2.2.0 00006 * @date 30-September-2014 00007 ****************************************************************************** 00008 * @attention 00009 * 00010 * <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2> 00011 * 00012 * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); 00013 * You may not use this file except in compliance with the License. 00014 * You may obtain a copy of the License at: 00015 * 00016 * http://www.st.com/software_license_agreement_liberty_v2 00017 * 00018 * Unless required by applicable law or agreed to in writing, software 00019 * distributed under the License is distributed on an "AS IS" BASIS, 00020 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00021 * See the License for the specific language governing permissions and 00022 * limitations under the License. 00023 * 00024 ****************************************************************************** 00025 */ 00026 00027 /* Includes ------------------------------------------------------------------*/ 00028 #include "stm8s.h" 00029 #include "stm8s_eval.h" 00030 00031 /** 00032 * @addtogroup FLASH_DataProgram 00033 * @{ 00034 */ 00035 00036 /* Private typedef -----------------------------------------------------------*/ 00037 typedef enum { FAILED = 0, PASSED = !FAILED} TestStatus; 00038 /* Private define ------------------------------------------------------------*/ 00039 #define BLOCK_OPERATION 0 /* block 0 in data eeprom memory: address is 0x4000 */ 00040 /* Private macro -------------------------------------------------------------*/ 00041 /* Private variables ---------------------------------------------------------*/ 00042 uint8_t GBuffer[FLASH_BLOCK_SIZE]; 00043 __IO TestStatus OperationStatus; 00044 00045 #ifdef _RAISONANCE_ 00046 /* needed by memcpy for raisonance */ 00047 #include <string.h> 00048 extern int __address__FLASH_EraseBlock; 00049 extern int __size__FLASH_EraseBlock; 00050 extern int __address__FLASH_ProgramBlock; 00051 extern int __size__FLASH_ProgramBlock; 00052 #endif /*_RAISONANCE_*/ 00053 00054 /* Private function prototypes -----------------------------------------------*/ 00055 /* Declare _fctcpy function prototype as it is packaged by default in the Cosmic 00056 machine library */ 00057 #ifdef _COSMIC_ 00058 int _fctcpy(char name); 00059 #endif /*_COSMIC_*/ 00060 void Delay (uint16_t nCount); 00061 static void CLK_Config(void); 00062 static void GPIO_Config(void); 00063 static void FLASH_Config(void); 00064 /* Private functions ---------------------------------------------------------*/ 00065 00066 /** 00067 * @brief Main program. 00068 * @param None 00069 * @retval None 00070 */ 00071 void main(void) 00072 { 00073 uint32_t add = 0, startadd = 0, stopadd = 0; 00074 uint8_t newval = 0xAA; 00075 uint8_t i = 0; 00076 00077 #ifdef _COSMIC_ 00078 /* Call the _fctcpy() function with the first segment character as parameter 00079 "_fctcpy('F');" for a manual copy of the declared moveable code segment 00080 (FLASH_CODE) in RAM before execution*/ 00081 _fctcpy('F'); 00082 #endif /*_COSMIC_*/ 00083 00084 #ifdef _RAISONANCE_ 00085 /* Call the standard C library: memcpy() or fmemcpy() functions available through 00086 the <string.h> to copy the inram function to the RAM destination address */ 00087 MEMCPY(FLASH_EraseBlock, 00088 (void PointerAttr*)&__address__FLASH_EraseBlock, 00089 (int)&__size__FLASH_EraseBlock); 00090 MEMCPY(FLASH_ProgramBlock, 00091 (void PointerAttr*)&__address__FLASH_ProgramBlock, 00092 (int)&__size__FLASH_ProgramBlock); 00093 #endif /*_RAISONANCE_*/ 00094 00095 00096 /* Clock configuration -----------------------------------------*/ 00097 CLK_Config(); 00098 00099 /* GPIO Configuration ------------------------------------------*/ 00100 GPIO_Config(); 00101 00102 /* FLASH Configuration ------------------------------------------*/ 00103 FLASH_Config(); 00104 00105 /* Fill the buffer in RAM */ 00106 for (i = 0; i < FLASH_BLOCK_SIZE; i++) 00107 { 00108 GBuffer[i] = newval; 00109 } 00110 /* This function is executed from RAM */ 00111 FLASH_ProgramBlock(BLOCK_OPERATION, FLASH_MEMTYPE_DATA, FLASH_PROGRAMMODE_STANDARD, GBuffer); 00112 00113 /* Wait until End of high voltage flag is set*/ 00114 while (FLASH_GetFlagStatus(FLASH_FLAG_HVOFF) == RESET) 00115 {} 00116 /* Check the programmed block */ 00117 startadd = FLASH_DATA_START_PHYSICAL_ADDRESS + ((uint16_t)BLOCK_OPERATION * (uint16_t)FLASH_BLOCK_SIZE); 00118 stopadd = startadd + (uint16_t)FLASH_BLOCK_SIZE; 00119 for (add = startadd; add < stopadd; add++) 00120 { 00121 if (FLASH_ReadByte(add) != newval) 00122 { 00123 /* Error */ 00124 OperationStatus = FAILED; 00125 /* OperationStatus = PASSED, if the data written/read to/from Flash program memory is correct */ 00126 /* OperationStatus = FAILED, if the data written/read to/from Flash program memory is corrupted */ 00127 while (1) 00128 { 00129 STM_EVAL_LEDToggle(LED1); /*FAIL: write error */ 00130 Delay(0xFFFF); 00131 } 00132 } 00133 } 00134 /* Erase block 0 and verify it */ 00135 /* This function is executed from RAM */ 00136 FLASH_EraseBlock(BLOCK_OPERATION, FLASH_MEMTYPE_DATA); 00137 00138 /* Wait until End of high voltage flag is set*/ 00139 while (FLASH_GetFlagStatus(FLASH_FLAG_HVOFF) == RESET) 00140 {} 00141 00142 for (add = startadd; add < stopadd; add++) 00143 { 00144 if (FLASH_ReadByte(add) != 0x00) 00145 { 00146 /* Error */ 00147 OperationStatus = FAILED; 00148 /* OperationStatus = PASSED, if the data written/read to/from Flash program memory is correct */ 00149 /* OperationStatus = FAILED, if the data written/read to/from Flash program memory is corrupted */ 00150 while (1) 00151 { 00152 STM_EVAL_LEDToggle(LED2); /* FAIL: Erase error */ 00153 Delay(0xFFFF); 00154 } 00155 } 00156 } 00157 00158 /* Pass */ 00159 OperationStatus = PASSED; 00160 /* OperationStatus = PASSED, if the data written/read to/from Flash program memory is correct */ 00161 /* OperationStatus = FAILED, if the data written/read to/from Flash program memory is corrupted */ 00162 while (1) 00163 { 00164 STM_EVAL_LEDToggle(LED3); /* PASS: without errors*/ 00165 Delay(0xFFFF); 00166 } 00167 } 00168 00169 /** 00170 * @brief Configure system clock to run at 16Mhz 00171 * @param None 00172 * @retval None 00173 */ 00174 void CLK_Config(void) 00175 { 00176 /* Initialization of the clock */ 00177 /* Clock divider to HSI/1 */ 00178 CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1); 00179 } 00180 00181 /** 00182 * @brief Configure GPIO for LEDs available on the evaluation board 00183 * @param None 00184 * @retval None 00185 */ 00186 void GPIO_Config(void) 00187 { 00188 /* Initialize LEDs mounted on STM8-128 EVAL board */ 00189 STM_EVAL_LEDInit(LED2); 00190 STM_EVAL_LEDInit(LED3); 00191 STM_EVAL_LEDInit(LED1); 00192 00193 /* All leds are Off */ 00194 STM_EVAL_LEDOff(LED2); 00195 STM_EVAL_LEDOff(LED3); 00196 STM_EVAL_LEDOff(LED1); 00197 } 00198 00199 /** 00200 * @brief Configure the FLASH for block programming 00201 * @param None 00202 * @retval None 00203 */ 00204 void FLASH_Config(void) 00205 { 00206 /* Define flash programming Time*/ 00207 FLASH_SetProgrammingTime(FLASH_PROGRAMTIME_STANDARD); 00208 00209 FLASH_Unlock(FLASH_MEMTYPE_PROG); 00210 /* Wait until Flash Program area unlocked flag is set*/ 00211 while (FLASH_GetFlagStatus(FLASH_FLAG_PUL) == RESET) 00212 {} 00213 00214 /* Unlock flash data eeprom memory */ 00215 FLASH_Unlock(FLASH_MEMTYPE_DATA); 00216 /* Wait until Data EEPROM area unlocked flag is set*/ 00217 while (FLASH_GetFlagStatus(FLASH_FLAG_DUL) == RESET) 00218 {} 00219 } 00220 00221 /** 00222 * @brief Delay. 00223 * @param nCount 00224 * @retval None 00225 */ 00226 void Delay(uint16_t nCount) 00227 { 00228 /* Decrement nCount value */ 00229 while (nCount != 0) 00230 { 00231 nCount--; 00232 } 00233 } 00234 00235 #ifdef USE_FULL_ASSERT 00236 /** 00237 * @brief Reports the name of the source file and the source line number 00238 * where the assert_param error has occurred. 00239 * @param file: pointer to the source file name 00240 * @param line: assert_param error line source number 00241 * @retval None 00242 */ 00243 void assert_failed(uint8_t* file, uint32_t line) 00244 { 00245 /* User can add his own implementation to report the file name and line number, 00246 ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ 00247 00248 /* Infinite loop */ 00249 while (1) 00250 {} 00251 } 00252 #endif 00253 00254 /** 00255 * @} 00256 */ 00257 00258 /** 00259 * @} 00260 */ 00261 00262 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/