29 #ifndef __STM32F4xx_RCC_H 30 #define __STM32F4xx_RCC_H 50 uint32_t SYSCLK_Frequency;
51 uint32_t HCLK_Frequency;
52 uint32_t PCLK1_Frequency;
53 uint32_t PCLK2_Frequency;
65 #define RCC_HSE_OFF ((uint8_t)0x00) 66 #define RCC_HSE_ON ((uint8_t)0x01) 67 #define RCC_HSE_Bypass ((uint8_t)0x05) 68 #define IS_RCC_HSE(HSE) (((HSE) == RCC_HSE_OFF) || ((HSE) == RCC_HSE_ON) || \ 69 ((HSE) == RCC_HSE_Bypass)) 77 #define RCC_PLLSource_HSI ((uint32_t)0x00000000) 78 #define RCC_PLLSource_HSE ((uint32_t)0x00400000) 79 #define IS_RCC_PLL_SOURCE(SOURCE) (((SOURCE) == RCC_PLLSource_HSI) || \ 80 ((SOURCE) == RCC_PLLSource_HSE)) 81 #define IS_RCC_PLLM_VALUE(VALUE) ((VALUE) <= 63) 82 #define IS_RCC_PLLN_VALUE(VALUE) ((192 <= (VALUE)) && ((VALUE) <= 432)) 83 #define IS_RCC_PLLP_VALUE(VALUE) (((VALUE) == 2) || ((VALUE) == 4) || ((VALUE) == 6) || ((VALUE) == 8)) 84 #define IS_RCC_PLLQ_VALUE(VALUE) ((4 <= (VALUE)) && ((VALUE) <= 15)) 86 #define IS_RCC_PLLI2SN_VALUE(VALUE) ((192 <= (VALUE)) && ((VALUE) <= 432)) 87 #define IS_RCC_PLLI2SR_VALUE(VALUE) ((2 <= (VALUE)) && ((VALUE) <= 7)) 96 #define RCC_SYSCLKSource_HSI ((uint32_t)0x00000000) 97 #define RCC_SYSCLKSource_HSE ((uint32_t)0x00000001) 98 #define RCC_SYSCLKSource_PLLCLK ((uint32_t)0x00000002) 99 #define IS_RCC_SYSCLK_SOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSource_HSI) || \ 100 ((SOURCE) == RCC_SYSCLKSource_HSE) || \ 101 ((SOURCE) == RCC_SYSCLKSource_PLLCLK)) 109 #define RCC_SYSCLK_Div1 ((uint32_t)0x00000000) 110 #define RCC_SYSCLK_Div2 ((uint32_t)0x00000080) 111 #define RCC_SYSCLK_Div4 ((uint32_t)0x00000090) 112 #define RCC_SYSCLK_Div8 ((uint32_t)0x000000A0) 113 #define RCC_SYSCLK_Div16 ((uint32_t)0x000000B0) 114 #define RCC_SYSCLK_Div64 ((uint32_t)0x000000C0) 115 #define RCC_SYSCLK_Div128 ((uint32_t)0x000000D0) 116 #define RCC_SYSCLK_Div256 ((uint32_t)0x000000E0) 117 #define RCC_SYSCLK_Div512 ((uint32_t)0x000000F0) 118 #define IS_RCC_HCLK(HCLK) (((HCLK) == RCC_SYSCLK_Div1) || ((HCLK) == RCC_SYSCLK_Div2) || \ 119 ((HCLK) == RCC_SYSCLK_Div4) || ((HCLK) == RCC_SYSCLK_Div8) || \ 120 ((HCLK) == RCC_SYSCLK_Div16) || ((HCLK) == RCC_SYSCLK_Div64) || \ 121 ((HCLK) == RCC_SYSCLK_Div128) || ((HCLK) == RCC_SYSCLK_Div256) || \ 122 ((HCLK) == RCC_SYSCLK_Div512)) 130 #define RCC_HCLK_Div1 ((uint32_t)0x00000000) 131 #define RCC_HCLK_Div2 ((uint32_t)0x00001000) 132 #define RCC_HCLK_Div4 ((uint32_t)0x00001400) 133 #define RCC_HCLK_Div8 ((uint32_t)0x00001800) 134 #define RCC_HCLK_Div16 ((uint32_t)0x00001C00) 135 #define IS_RCC_PCLK(PCLK) (((PCLK) == RCC_HCLK_Div1) || ((PCLK) == RCC_HCLK_Div2) || \ 136 ((PCLK) == RCC_HCLK_Div4) || ((PCLK) == RCC_HCLK_Div8) || \ 137 ((PCLK) == RCC_HCLK_Div16)) 145 #define RCC_IT_LSIRDY ((uint8_t)0x01) 146 #define RCC_IT_LSERDY ((uint8_t)0x02) 147 #define RCC_IT_HSIRDY ((uint8_t)0x04) 148 #define RCC_IT_HSERDY ((uint8_t)0x08) 149 #define RCC_IT_PLLRDY ((uint8_t)0x10) 150 #define RCC_IT_PLLI2SRDY ((uint8_t)0x20) 151 #define RCC_IT_CSS ((uint8_t)0x80) 153 #define IS_RCC_IT(IT) ((((IT) & (uint8_t)0xC0) == 0x00) && ((IT) != 0x00)) 154 #define IS_RCC_GET_IT(IT) (((IT) == RCC_IT_LSIRDY) || ((IT) == RCC_IT_LSERDY) || \ 155 ((IT) == RCC_IT_HSIRDY) || ((IT) == RCC_IT_HSERDY) || \ 156 ((IT) == RCC_IT_PLLRDY) || ((IT) == RCC_IT_CSS) || \ 157 ((IT) == RCC_IT_PLLI2SRDY)) 158 #define IS_RCC_CLEAR_IT(IT) ((((IT) & (uint8_t)0x40) == 0x00) && ((IT) != 0x00)) 167 #define RCC_LSE_OFF ((uint8_t)0x00) 168 #define RCC_LSE_ON ((uint8_t)0x01) 169 #define RCC_LSE_Bypass ((uint8_t)0x04) 170 #define IS_RCC_LSE(LSE) (((LSE) == RCC_LSE_OFF) || ((LSE) == RCC_LSE_ON) || \ 171 ((LSE) == RCC_LSE_Bypass)) 179 #define RCC_RTCCLKSource_LSE ((uint32_t)0x00000100) 180 #define RCC_RTCCLKSource_LSI ((uint32_t)0x00000200) 181 #define RCC_RTCCLKSource_HSE_Div2 ((uint32_t)0x00020300) 182 #define RCC_RTCCLKSource_HSE_Div3 ((uint32_t)0x00030300) 183 #define RCC_RTCCLKSource_HSE_Div4 ((uint32_t)0x00040300) 184 #define RCC_RTCCLKSource_HSE_Div5 ((uint32_t)0x00050300) 185 #define RCC_RTCCLKSource_HSE_Div6 ((uint32_t)0x00060300) 186 #define RCC_RTCCLKSource_HSE_Div7 ((uint32_t)0x00070300) 187 #define RCC_RTCCLKSource_HSE_Div8 ((uint32_t)0x00080300) 188 #define RCC_RTCCLKSource_HSE_Div9 ((uint32_t)0x00090300) 189 #define RCC_RTCCLKSource_HSE_Div10 ((uint32_t)0x000A0300) 190 #define RCC_RTCCLKSource_HSE_Div11 ((uint32_t)0x000B0300) 191 #define RCC_RTCCLKSource_HSE_Div12 ((uint32_t)0x000C0300) 192 #define RCC_RTCCLKSource_HSE_Div13 ((uint32_t)0x000D0300) 193 #define RCC_RTCCLKSource_HSE_Div14 ((uint32_t)0x000E0300) 194 #define RCC_RTCCLKSource_HSE_Div15 ((uint32_t)0x000F0300) 195 #define RCC_RTCCLKSource_HSE_Div16 ((uint32_t)0x00100300) 196 #define RCC_RTCCLKSource_HSE_Div17 ((uint32_t)0x00110300) 197 #define RCC_RTCCLKSource_HSE_Div18 ((uint32_t)0x00120300) 198 #define RCC_RTCCLKSource_HSE_Div19 ((uint32_t)0x00130300) 199 #define RCC_RTCCLKSource_HSE_Div20 ((uint32_t)0x00140300) 200 #define RCC_RTCCLKSource_HSE_Div21 ((uint32_t)0x00150300) 201 #define RCC_RTCCLKSource_HSE_Div22 ((uint32_t)0x00160300) 202 #define RCC_RTCCLKSource_HSE_Div23 ((uint32_t)0x00170300) 203 #define RCC_RTCCLKSource_HSE_Div24 ((uint32_t)0x00180300) 204 #define RCC_RTCCLKSource_HSE_Div25 ((uint32_t)0x00190300) 205 #define RCC_RTCCLKSource_HSE_Div26 ((uint32_t)0x001A0300) 206 #define RCC_RTCCLKSource_HSE_Div27 ((uint32_t)0x001B0300) 207 #define RCC_RTCCLKSource_HSE_Div28 ((uint32_t)0x001C0300) 208 #define RCC_RTCCLKSource_HSE_Div29 ((uint32_t)0x001D0300) 209 #define RCC_RTCCLKSource_HSE_Div30 ((uint32_t)0x001E0300) 210 #define RCC_RTCCLKSource_HSE_Div31 ((uint32_t)0x001F0300) 211 #define IS_RCC_RTCCLK_SOURCE(SOURCE) (((SOURCE) == RCC_RTCCLKSource_LSE) || \ 212 ((SOURCE) == RCC_RTCCLKSource_LSI) || \ 213 ((SOURCE) == RCC_RTCCLKSource_HSE_Div2) || \ 214 ((SOURCE) == RCC_RTCCLKSource_HSE_Div3) || \ 215 ((SOURCE) == RCC_RTCCLKSource_HSE_Div4) || \ 216 ((SOURCE) == RCC_RTCCLKSource_HSE_Div5) || \ 217 ((SOURCE) == RCC_RTCCLKSource_HSE_Div6) || \ 218 ((SOURCE) == RCC_RTCCLKSource_HSE_Div7) || \ 219 ((SOURCE) == RCC_RTCCLKSource_HSE_Div8) || \ 220 ((SOURCE) == RCC_RTCCLKSource_HSE_Div9) || \ 221 ((SOURCE) == RCC_RTCCLKSource_HSE_Div10) || \ 222 ((SOURCE) == RCC_RTCCLKSource_HSE_Div11) || \ 223 ((SOURCE) == RCC_RTCCLKSource_HSE_Div12) || \ 224 ((SOURCE) == RCC_RTCCLKSource_HSE_Div13) || \ 225 ((SOURCE) == RCC_RTCCLKSource_HSE_Div14) || \ 226 ((SOURCE) == RCC_RTCCLKSource_HSE_Div15) || \ 227 ((SOURCE) == RCC_RTCCLKSource_HSE_Div16) || \ 228 ((SOURCE) == RCC_RTCCLKSource_HSE_Div17) || \ 229 ((SOURCE) == RCC_RTCCLKSource_HSE_Div18) || \ 230 ((SOURCE) == RCC_RTCCLKSource_HSE_Div19) || \ 231 ((SOURCE) == RCC_RTCCLKSource_HSE_Div20) || \ 232 ((SOURCE) == RCC_RTCCLKSource_HSE_Div21) || \ 233 ((SOURCE) == RCC_RTCCLKSource_HSE_Div22) || \ 234 ((SOURCE) == RCC_RTCCLKSource_HSE_Div23) || \ 235 ((SOURCE) == RCC_RTCCLKSource_HSE_Div24) || \ 236 ((SOURCE) == RCC_RTCCLKSource_HSE_Div25) || \ 237 ((SOURCE) == RCC_RTCCLKSource_HSE_Div26) || \ 238 ((SOURCE) == RCC_RTCCLKSource_HSE_Div27) || \ 239 ((SOURCE) == RCC_RTCCLKSource_HSE_Div28) || \ 240 ((SOURCE) == RCC_RTCCLKSource_HSE_Div29) || \ 241 ((SOURCE) == RCC_RTCCLKSource_HSE_Div30) || \ 242 ((SOURCE) == RCC_RTCCLKSource_HSE_Div31)) 250 #define RCC_I2S2CLKSource_PLLI2S ((uint8_t)0x00) 251 #define RCC_I2S2CLKSource_Ext ((uint8_t)0x01) 253 #define IS_RCC_I2SCLK_SOURCE(SOURCE) (((SOURCE) == RCC_I2S2CLKSource_PLLI2S) || ((SOURCE) == RCC_I2S2CLKSource_Ext)) 261 #define RCC_TIMPrescDesactivated ((uint8_t)0x00) 262 #define RCC_TIMPrescActivated ((uint8_t)0x01) 264 #define IS_RCC_TIMCLK_PRESCALER(VALUE) (((VALUE) == RCC_TIMPrescDesactivated) || ((VALUE) == RCC_TIMPrescActivated)) 272 #define RCC_AHB1Periph_GPIOA ((uint32_t)0x00000001) 273 #define RCC_AHB1Periph_GPIOB ((uint32_t)0x00000002) 274 #define RCC_AHB1Periph_GPIOC ((uint32_t)0x00000004) 275 #define RCC_AHB1Periph_GPIOD ((uint32_t)0x00000008) 276 #define RCC_AHB1Periph_GPIOE ((uint32_t)0x00000010) 277 #define RCC_AHB1Periph_GPIOF ((uint32_t)0x00000020) 278 #define RCC_AHB1Periph_GPIOG ((uint32_t)0x00000040) 279 #define RCC_AHB1Periph_GPIOH ((uint32_t)0x00000080) 280 #define RCC_AHB1Periph_GPIOI ((uint32_t)0x00000100) 281 #define RCC_AHB1Periph_CRC ((uint32_t)0x00001000) 282 #define RCC_AHB1Periph_FLITF ((uint32_t)0x00008000) 283 #define RCC_AHB1Periph_SRAM1 ((uint32_t)0x00010000) 284 #define RCC_AHB1Periph_SRAM2 ((uint32_t)0x00020000) 285 #define RCC_AHB1Periph_BKPSRAM ((uint32_t)0x00040000) 286 #define RCC_AHB1Periph_SRAM3 ((uint32_t)0x00080000) 287 #define RCC_AHB1Periph_CCMDATARAMEN ((uint32_t)0x00100000) 288 #define RCC_AHB1Periph_DMA1 ((uint32_t)0x00200000) 289 #define RCC_AHB1Periph_DMA2 ((uint32_t)0x00400000) 290 #define RCC_AHB1Periph_ETH_MAC ((uint32_t)0x02000000) 291 #define RCC_AHB1Periph_ETH_MAC_Tx ((uint32_t)0x04000000) 292 #define RCC_AHB1Periph_ETH_MAC_Rx ((uint32_t)0x08000000) 293 #define RCC_AHB1Periph_ETH_MAC_PTP ((uint32_t)0x10000000) 294 #define RCC_AHB1Periph_OTG_HS ((uint32_t)0x20000000) 295 #define RCC_AHB1Periph_OTG_HS_ULPI ((uint32_t)0x40000000) 297 #define IS_RCC_AHB1_CLOCK_PERIPH(PERIPH) ((((PERIPH) & 0x818BEE00) == 0x00) && ((PERIPH) != 0x00)) 298 #define IS_RCC_AHB1_RESET_PERIPH(PERIPH) ((((PERIPH) & 0xDD9FEE00) == 0x00) && ((PERIPH) != 0x00)) 299 #define IS_RCC_AHB1_LPMODE_PERIPH(PERIPH) ((((PERIPH) & 0x81906E00) == 0x00) && ((PERIPH) != 0x00)) 309 #define RCC_AHB2Periph_DCMI ((uint32_t)0x00000001) 310 #define RCC_AHB2Periph_CRYP ((uint32_t)0x00000010) 311 #define RCC_AHB2Periph_HASH ((uint32_t)0x00000020) 312 #define RCC_AHB2Periph_RNG ((uint32_t)0x00000040) 313 #define RCC_AHB2Periph_OTG_FS ((uint32_t)0x00000080) 314 #define IS_RCC_AHB2_PERIPH(PERIPH) ((((PERIPH) & 0xFFFFFF0E) == 0x00) && ((PERIPH) != 0x00)) 322 #define RCC_AHB3Periph_FSMC ((uint32_t)0x00000001) 324 #define IS_RCC_AHB3_PERIPH(PERIPH) ((((PERIPH) & 0xFFFFFFFE) == 0x00) && ((PERIPH) != 0x00)) 332 #define RCC_APB1Periph_TIM2 ((uint32_t)0x00000001) 333 #define RCC_APB1Periph_TIM3 ((uint32_t)0x00000002) 334 #define RCC_APB1Periph_TIM4 ((uint32_t)0x00000004) 335 #define RCC_APB1Periph_TIM5 ((uint32_t)0x00000008) 336 #define RCC_APB1Periph_TIM6 ((uint32_t)0x00000010) 337 #define RCC_APB1Periph_TIM7 ((uint32_t)0x00000020) 338 #define RCC_APB1Periph_TIM12 ((uint32_t)0x00000040) 339 #define RCC_APB1Periph_TIM13 ((uint32_t)0x00000080) 340 #define RCC_APB1Periph_TIM14 ((uint32_t)0x00000100) 341 #define RCC_APB1Periph_WWDG ((uint32_t)0x00000800) 342 #define RCC_APB1Periph_SPI2 ((uint32_t)0x00004000) 343 #define RCC_APB1Periph_SPI3 ((uint32_t)0x00008000) 344 #define RCC_APB1Periph_USART2 ((uint32_t)0x00020000) 345 #define RCC_APB1Periph_USART3 ((uint32_t)0x00040000) 346 #define RCC_APB1Periph_UART4 ((uint32_t)0x00080000) 347 #define RCC_APB1Periph_UART5 ((uint32_t)0x00100000) 348 #define RCC_APB1Periph_I2C1 ((uint32_t)0x00200000) 349 #define RCC_APB1Periph_I2C2 ((uint32_t)0x00400000) 350 #define RCC_APB1Periph_I2C3 ((uint32_t)0x00800000) 351 #define RCC_APB1Periph_CAN1 ((uint32_t)0x02000000) 352 #define RCC_APB1Periph_CAN2 ((uint32_t)0x04000000) 353 #define RCC_APB1Periph_PWR ((uint32_t)0x10000000) 354 #define RCC_APB1Periph_DAC ((uint32_t)0x20000000) 355 #define RCC_APB1Periph_UART7 ((uint32_t)0x40000000) 356 #define RCC_APB1Periph_UART8 ((uint32_t)0x80000000) 357 #define IS_RCC_APB1_PERIPH(PERIPH) ((((PERIPH) & 0x09013600) == 0x00) && ((PERIPH) != 0x00)) 365 #define RCC_APB2Periph_TIM1 ((uint32_t)0x00000001) 366 #define RCC_APB2Periph_TIM8 ((uint32_t)0x00000002) 367 #define RCC_APB2Periph_USART1 ((uint32_t)0x00000010) 368 #define RCC_APB2Periph_USART6 ((uint32_t)0x00000020) 369 #define RCC_APB2Periph_ADC ((uint32_t)0x00000100) 370 #define RCC_APB2Periph_ADC1 ((uint32_t)0x00000100) 371 #define RCC_APB2Periph_ADC2 ((uint32_t)0x00000200) 372 #define RCC_APB2Periph_ADC3 ((uint32_t)0x00000400) 373 #define RCC_APB2Periph_SDIO ((uint32_t)0x00000800) 374 #define RCC_APB2Periph_SPI1 ((uint32_t)0x00001000) 375 #define RCC_APB2Periph_SPI4 ((uint32_t)0x00002000) 376 #define RCC_APB2Periph_SYSCFG ((uint32_t)0x00004000) 377 #define RCC_APB2Periph_TIM9 ((uint32_t)0x00010000) 378 #define RCC_APB2Periph_TIM10 ((uint32_t)0x00020000) 379 #define RCC_APB2Periph_TIM11 ((uint32_t)0x00040000) 380 #define RCC_APB2Periph_SPI5 ((uint32_t)0x00100000) 381 #define RCC_APB2Periph_SPI6 ((uint32_t)0x00200000) 383 #define IS_RCC_APB2_PERIPH(PERIPH) ((((PERIPH) & 0xFFC880CC) == 0x00) && ((PERIPH) != 0x00)) 384 #define IS_RCC_APB2_RESET_PERIPH(PERIPH) ((((PERIPH) & 0xFFC886CC) == 0x00) && ((PERIPH) != 0x00)) 394 #define RCC_MCO1Source_HSI ((uint32_t)0x00000000) 395 #define RCC_MCO1Source_LSE ((uint32_t)0x00200000) 396 #define RCC_MCO1Source_HSE ((uint32_t)0x00400000) 397 #define RCC_MCO1Source_PLLCLK ((uint32_t)0x00600000) 398 #define RCC_MCO1Div_1 ((uint32_t)0x00000000) 399 #define RCC_MCO1Div_2 ((uint32_t)0x04000000) 400 #define RCC_MCO1Div_3 ((uint32_t)0x05000000) 401 #define RCC_MCO1Div_4 ((uint32_t)0x06000000) 402 #define RCC_MCO1Div_5 ((uint32_t)0x07000000) 403 #define IS_RCC_MCO1SOURCE(SOURCE) (((SOURCE) == RCC_MCO1Source_HSI) || ((SOURCE) == RCC_MCO1Source_LSE) || \ 404 ((SOURCE) == RCC_MCO1Source_HSE) || ((SOURCE) == RCC_MCO1Source_PLLCLK)) 406 #define IS_RCC_MCO1DIV(DIV) (((DIV) == RCC_MCO1Div_1) || ((DIV) == RCC_MCO1Div_2) || \ 407 ((DIV) == RCC_MCO1Div_3) || ((DIV) == RCC_MCO1Div_4) || \ 408 ((DIV) == RCC_MCO1Div_5)) 416 #define RCC_MCO2Source_SYSCLK ((uint32_t)0x00000000) 417 #define RCC_MCO2Source_PLLI2SCLK ((uint32_t)0x40000000) 418 #define RCC_MCO2Source_HSE ((uint32_t)0x80000000) 419 #define RCC_MCO2Source_PLLCLK ((uint32_t)0xC0000000) 420 #define RCC_MCO2Div_1 ((uint32_t)0x00000000) 421 #define RCC_MCO2Div_2 ((uint32_t)0x20000000) 422 #define RCC_MCO2Div_3 ((uint32_t)0x28000000) 423 #define RCC_MCO2Div_4 ((uint32_t)0x30000000) 424 #define RCC_MCO2Div_5 ((uint32_t)0x38000000) 425 #define IS_RCC_MCO2SOURCE(SOURCE) (((SOURCE) == RCC_MCO2Source_SYSCLK) || ((SOURCE) == RCC_MCO2Source_PLLI2SCLK)|| \ 426 ((SOURCE) == RCC_MCO2Source_HSE) || ((SOURCE) == RCC_MCO2Source_PLLCLK)) 428 #define IS_RCC_MCO2DIV(DIV) (((DIV) == RCC_MCO2Div_1) || ((DIV) == RCC_MCO2Div_2) || \ 429 ((DIV) == RCC_MCO2Div_3) || ((DIV) == RCC_MCO2Div_4) || \ 430 ((DIV) == RCC_MCO2Div_5)) 438 #define RCC_FLAG_HSIRDY ((uint8_t)0x21) 439 #define RCC_FLAG_HSERDY ((uint8_t)0x31) 440 #define RCC_FLAG_PLLRDY ((uint8_t)0x39) 441 #define RCC_FLAG_PLLI2SRDY ((uint8_t)0x3B) 442 #define RCC_FLAG_LSERDY ((uint8_t)0x41) 443 #define RCC_FLAG_LSIRDY ((uint8_t)0x61) 444 #define RCC_FLAG_BORRST ((uint8_t)0x79) 445 #define RCC_FLAG_PINRST ((uint8_t)0x7A) 446 #define RCC_FLAG_PORRST ((uint8_t)0x7B) 447 #define RCC_FLAG_SFTRST ((uint8_t)0x7C) 448 #define RCC_FLAG_IWDGRST ((uint8_t)0x7D) 449 #define RCC_FLAG_WWDGRST ((uint8_t)0x7E) 450 #define RCC_FLAG_LPWRRST ((uint8_t)0x7F) 452 #define IS_RCC_FLAG(FLAG) (((FLAG) == RCC_FLAG_HSIRDY) || ((FLAG) == RCC_FLAG_HSERDY) || \ 453 ((FLAG) == RCC_FLAG_PLLRDY) || ((FLAG) == RCC_FLAG_LSERDY) || \ 454 ((FLAG) == RCC_FLAG_LSIRDY) || ((FLAG) == RCC_FLAG_BORRST) || \ 455 ((FLAG) == RCC_FLAG_PINRST) || ((FLAG) == RCC_FLAG_PORRST) || \ 456 ((FLAG) == RCC_FLAG_SFTRST) || ((FLAG) == RCC_FLAG_IWDGRST)|| \ 457 ((FLAG) == RCC_FLAG_WWDGRST)|| ((FLAG) == RCC_FLAG_LPWRRST)|| \ 458 ((FLAG) == RCC_FLAG_PLLI2SRDY)) 460 #define IS_RCC_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F) 483 void RCC_PLLConfig(uint32_t RCC_PLLSource, uint32_t PLLM, uint32_t PLLN, uint32_t PLLP, uint32_t PLLQ);
488 void RCC_MCO1Config(uint32_t RCC_MCO1Source, uint32_t RCC_MCO1Div);
489 void RCC_MCO2Config(uint32_t RCC_MCO2Source, uint32_t RCC_MCO2Div);
void RCC_AHB1PeriphClockLPModeCmd(uint32_t RCC_AHB1Periph, FunctionalState NewState)
Enables or disables the AHB1 peripheral clock during Low Power (Sleep) mode.
void RCC_AHB3PeriphClockLPModeCmd(uint32_t RCC_AHB3Periph, FunctionalState NewState)
Enables or disables the AHB3 peripheral clock during Low Power (Sleep) mode.
void RCC_MCO2Config(uint32_t RCC_MCO2Source, uint32_t RCC_MCO2Div)
Selects the clock source to output on MCO2 pin(PC9).
void RCC_APB1PeriphClockCmd(uint32_t RCC_APB1Periph, FunctionalState NewState)
Enables or disables the Low Speed APB (APB1) peripheral clock.
ErrorStatus RCC_WaitForHSEStartUp(void)
Waits for HSE start-up.
void RCC_RTCCLKConfig(uint32_t RCC_RTCCLKSource)
Configures the RTC clock (RTCCLK).
void RCC_PLLConfig(uint32_t RCC_PLLSource, uint32_t PLLM, uint32_t PLLN, uint32_t PLLP, uint32_t PLLQ)
Configures the main PLL clock source, multiplication and division factors.
void RCC_AHB1PeriphResetCmd(uint32_t RCC_AHB1Periph, FunctionalState NewState)
Forces or releases AHB1 peripheral reset.
void RCC_SYSCLKConfig(uint32_t RCC_SYSCLKSource)
Configures the system clock (SYSCLK).
void RCC_AHB1PeriphClockCmd(uint32_t RCC_AHB1Periph, FunctionalState NewState)
Enables or disables the AHB1 peripheral clock.
CMSIS Cortex-M4 Device Peripheral Access Layer Header File. This file contains all the peripheral reg...
void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState)
Enables or disables the High Speed APB (APB2) peripheral clock.
void RCC_BackupResetCmd(FunctionalState NewState)
Forces or releases the Backup domain reset.
void RCC_APB1PeriphClockLPModeCmd(uint32_t RCC_APB1Periph, FunctionalState NewState)
Enables or disables the APB1 peripheral clock during Low Power (Sleep) mode.
void RCC_PLLCmd(FunctionalState NewState)
Enables or disables the main PLL.
ITStatus RCC_GetITStatus(uint8_t RCC_IT)
Checks whether the specified RCC interrupt has occurred or not.
void RCC_APB1PeriphResetCmd(uint32_t RCC_APB1Periph, FunctionalState NewState)
Forces or releases Low Speed APB (APB1) peripheral reset.
void RCC_AHB2PeriphClockCmd(uint32_t RCC_AHB2Periph, FunctionalState NewState)
Enables or disables the AHB2 peripheral clock.
void RCC_LSEConfig(uint8_t RCC_LSE)
Configures the External Low Speed oscillator (LSE).
void RCC_RTCCLKCmd(FunctionalState NewState)
Enables or disables the RTC clock.
void RCC_PCLK1Config(uint32_t RCC_HCLK)
Configures the Low Speed APB clock (PCLK1).
void RCC_I2SCLKConfig(uint32_t RCC_I2SCLKSource)
Configures the I2S clock source (I2SCLK).
void RCC_PLLI2SConfig(uint32_t PLLI2SN, uint32_t PLLI2SR)
Configures the PLLI2S clock multiplication and division factors.
void RCC_LSICmd(FunctionalState NewState)
Enables or disables the Internal Low Speed oscillator (LSI).
void RCC_DeInit(void)
Resets the RCC clock configuration to the default reset state.
void RCC_HSICmd(FunctionalState NewState)
Enables or disables the Internal High Speed oscillator (HSI).
void RCC_AHB3PeriphResetCmd(uint32_t RCC_AHB3Periph, FunctionalState NewState)
Forces or releases AHB3 peripheral reset.
void RCC_PCLK2Config(uint32_t RCC_HCLK)
Configures the High Speed APB clock (PCLK2).
void RCC_APB2PeriphResetCmd(uint32_t RCC_APB2Periph, FunctionalState NewState)
Forces or releases High Speed APB (APB2) peripheral reset.
void RCC_ClearFlag(void)
Clears the RCC reset flags. The reset flags are: RCC_FLAG_PINRST, RCC_FLAG_PORRST, RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST, RCC_FLAG_LPWRRST.
void RCC_ClockSecuritySystemCmd(FunctionalState NewState)
Enables or disables the Clock Security System.
void RCC_PLLI2SCmd(FunctionalState NewState)
Enables or disables the PLLI2S.
void RCC_AHB3PeriphClockCmd(uint32_t RCC_AHB3Periph, FunctionalState NewState)
Enables or disables the AHB3 peripheral clock.
void RCC_HSEConfig(uint8_t RCC_HSE)
Configures the External High Speed oscillator (HSE).
void RCC_AHB2PeriphClockLPModeCmd(uint32_t RCC_AHB2Periph, FunctionalState NewState)
Enables or disables the AHB2 peripheral clock during Low Power (Sleep) mode.
void RCC_ClearITPendingBit(uint8_t RCC_IT)
Clears the RCC's interrupt pending bits.
FlagStatus RCC_GetFlagStatus(uint8_t RCC_FLAG)
Checks whether the specified RCC flag is set or not.
void RCC_ITConfig(uint8_t RCC_IT, FunctionalState NewState)
Enables or disables the specified RCC interrupts.
void RCC_APB2PeriphClockLPModeCmd(uint32_t RCC_APB2Periph, FunctionalState NewState)
Enables or disables the APB2 peripheral clock during Low Power (Sleep) mode.
void RCC_MCO1Config(uint32_t RCC_MCO1Source, uint32_t RCC_MCO1Div)
Selects the clock source to output on MCO1 pin(PA8).
void RCC_GetClocksFreq(RCC_ClocksTypeDef *RCC_Clocks)
Returns the frequencies of different on chip clocks; SYSCLK, HCLK, PCLK1 and PCLK2.
uint8_t RCC_GetSYSCLKSource(void)
Returns the clock source used as system clock.
void RCC_AHB2PeriphResetCmd(uint32_t RCC_AHB2Periph, FunctionalState NewState)
Forces or releases AHB2 peripheral reset.
void RCC_HCLKConfig(uint32_t RCC_SYSCLK)
Configures the AHB clock (HCLK).
void RCC_AdjustHSICalibrationValue(uint8_t HSICalibrationValue)
Adjusts the Internal High Speed oscillator (HSI) calibration value.
void RCC_TIMCLKPresConfig(uint32_t RCC_TIMCLKPrescaler)
Configures the Timers clocks prescalers selection.