diff options
| author | everdrone <[email protected]> | 2025-11-11 15:21:37 +0100 |
|---|---|---|
| committer | everdrone <[email protected]> | 2025-11-11 15:21:37 +0100 |
| commit | 0528e3daa386dc2ee7bb9e4a4ee3e1c979e6c479 (patch) | |
| tree | 268ce8e6c2f4d9b94b3568ae859ab72a4c27dfa6 | |
| parent | 647c6f5f6969ab291130a50384cd2f26b167e008 (diff) | |
enable peripherals low power mode
| -rw-r--r-- | embassy-stm32/src/rcc/n6.rs | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/embassy-stm32/src/rcc/n6.rs b/embassy-stm32/src/rcc/n6.rs index 5d2003325..5e66e1e86 100644 --- a/embassy-stm32/src/rcc/n6.rs +++ b/embassy-stm32/src/rcc/n6.rs | |||
| @@ -329,6 +329,14 @@ fn init_clocks(config: Config, input: &ClocksInput) -> ClocksOutput { | |||
| 329 | let ppre4 = periph_prescaler_to_value(config.apb4.to_bits()); | 329 | let ppre4 = periph_prescaler_to_value(config.apb4.to_bits()); |
| 330 | let ppre5 = periph_prescaler_to_value(config.apb5.to_bits()); | 330 | let ppre5 = periph_prescaler_to_value(config.apb5.to_bits()); |
| 331 | 331 | ||
| 332 | // enable all peripherals in sleep mode | ||
| 333 | enable_low_power_peripherals(); | ||
| 334 | |||
| 335 | // enable interrupts | ||
| 336 | unsafe { | ||
| 337 | core::arch::asm!("cpsie i"); | ||
| 338 | } | ||
| 339 | |||
| 332 | ClocksOutput { | 340 | ClocksOutput { |
| 333 | sysclk, | 341 | sysclk, |
| 334 | cpuclk, | 342 | cpuclk, |
| @@ -341,6 +349,183 @@ fn init_clocks(config: Config, input: &ClocksInput) -> ClocksOutput { | |||
| 341 | } | 349 | } |
| 342 | } | 350 | } |
| 343 | 351 | ||
| 352 | fn enable_low_power_peripherals() { | ||
| 353 | // AHB1-5 | ||
| 354 | RCC.ahb1lpenr().modify(|w| { | ||
| 355 | w.set_adc12lpen(true); | ||
| 356 | w.set_gpdma1lpen(true); | ||
| 357 | }); | ||
| 358 | RCC.ahb2lpenr().modify(|w| { | ||
| 359 | w.set_adf1lpen(true); | ||
| 360 | w.set_mdf1lpen(true); | ||
| 361 | w.set_ramcfglpen(true); | ||
| 362 | }); | ||
| 363 | RCC.ahb3lpenr().modify(|w| { | ||
| 364 | w.set_risaflpen(true); | ||
| 365 | w.set_iaclpen(true); | ||
| 366 | w.set_rifsclpen(true); | ||
| 367 | w.set_pkalpen(true); | ||
| 368 | w.set_saeslpen(true); | ||
| 369 | w.set_cryplpen(true); | ||
| 370 | w.set_hashlpen(true); | ||
| 371 | w.set_rnglpen(true); | ||
| 372 | }); | ||
| 373 | RCC.ahb4lpenr().modify(|w| { | ||
| 374 | w.set_crclpen(true); | ||
| 375 | w.set_pwrlpen(true); | ||
| 376 | w.set_gpioqlpen(true); | ||
| 377 | w.set_gpioplpen(true); | ||
| 378 | w.set_gpioolpen(true); | ||
| 379 | w.set_gpionlpen(true); | ||
| 380 | w.set_gpiohlpen(true); | ||
| 381 | w.set_gpioglpen(true); | ||
| 382 | w.set_gpioflpen(true); | ||
| 383 | w.set_gpioelpen(true); | ||
| 384 | w.set_gpiodlpen(true); | ||
| 385 | w.set_gpioclpen(true); | ||
| 386 | w.set_gpioblpen(true); | ||
| 387 | w.set_gpioalpen(true); | ||
| 388 | }); | ||
| 389 | RCC.ahb5lpenr().modify(|w| { | ||
| 390 | w.set_npulpen(true); | ||
| 391 | w.set_npucachelpen(true); | ||
| 392 | w.set_otg2lpen(true); | ||
| 393 | w.set_otgphy2lpen(true); | ||
| 394 | w.set_otgphy1lpen(true); | ||
| 395 | w.set_otg1lpen(true); | ||
| 396 | w.set_eth1lpen(true); | ||
| 397 | w.set_eth1rxlpen(true); | ||
| 398 | w.set_eth1txlpen(true); | ||
| 399 | w.set_eth1maclpen(true); | ||
| 400 | w.set_gpulpen(true); | ||
| 401 | w.set_gfxmmulpen(true); | ||
| 402 | w.set_mce4lpen(true); | ||
| 403 | w.set_xspi3lpen(true); | ||
| 404 | w.set_mce3lpen(true); | ||
| 405 | w.set_mce2lpen(true); | ||
| 406 | w.set_mce1lpen(true); | ||
| 407 | w.set_xspimlpen(true); | ||
| 408 | w.set_xspi2lpen(true); | ||
| 409 | w.set_sdmmc1lpen(true); | ||
| 410 | w.set_sdmmc2lpen(true); | ||
| 411 | w.set_pssilpen(true); | ||
| 412 | w.set_xspi1lpen(true); | ||
| 413 | w.set_fmclpen(true); | ||
| 414 | w.set_jpeglpen(true); | ||
| 415 | w.set_dma2dlpen(true); | ||
| 416 | w.set_hpdma1lpen(true); | ||
| 417 | }); | ||
| 418 | |||
| 419 | // APB1-5 | ||
| 420 | RCC.apb1llpenr().modify(|w| { | ||
| 421 | w.set_uart8lpen(true); | ||
| 422 | w.set_uart7lpen(true); | ||
| 423 | w.set_i3c2lpen(true); | ||
| 424 | w.set_i3c1lpen(true); | ||
| 425 | w.set_i2c3lpen(true); | ||
| 426 | w.set_i2c2lpen(true); | ||
| 427 | w.set_i2c1lpen(true); | ||
| 428 | w.set_uart5lpen(true); | ||
| 429 | w.set_uart4lpen(true); | ||
| 430 | w.set_usart3lpen(true); | ||
| 431 | w.set_usart2lpen(true); | ||
| 432 | w.set_spdifrx1lpen(true); | ||
| 433 | w.set_spi3lpen(true); | ||
| 434 | w.set_spi2lpen(true); | ||
| 435 | w.set_tim11lpen(true); | ||
| 436 | w.set_tim10lpen(true); | ||
| 437 | w.set_wwdglpen(true); | ||
| 438 | w.set_lptim1lpen(true); | ||
| 439 | w.set_tim14lpen(true); | ||
| 440 | w.set_tim13lpen(true); | ||
| 441 | w.set_tim12lpen(true); | ||
| 442 | w.set_tim7lpen(true); | ||
| 443 | w.set_tim6lpen(true); | ||
| 444 | w.set_tim5lpen(true); | ||
| 445 | w.set_tim4lpen(true); | ||
| 446 | w.set_tim3lpen(true); | ||
| 447 | w.set_tim2lpen(true); | ||
| 448 | }); | ||
| 449 | RCC.apb1hlpenr().modify(|w| { | ||
| 450 | w.set_ucpd1lpen(true); | ||
| 451 | w.set_fdcanlpen(true); | ||
| 452 | w.set_mdioslpen(true); | ||
| 453 | }); | ||
| 454 | RCC.apb2lpenr().modify(|w| { | ||
| 455 | w.set_sai2lpen(true); | ||
| 456 | w.set_sai1lpen(true); | ||
| 457 | w.set_spi5lpen(true); | ||
| 458 | w.set_tim9lpen(true); | ||
| 459 | w.set_tim17lpen(true); | ||
| 460 | w.set_tim16lpen(true); | ||
| 461 | w.set_tim15lpen(true); | ||
| 462 | w.set_tim18lpen(true); | ||
| 463 | w.set_spi4lpen(true); | ||
| 464 | w.set_spi1lpen(true); | ||
| 465 | w.set_usart10lpen(true); | ||
| 466 | w.set_uart9lpen(true); | ||
| 467 | w.set_usart6lpen(true); | ||
| 468 | w.set_usart1lpen(true); | ||
| 469 | w.set_tim8lpen(true); | ||
| 470 | w.set_tim1lpen(true); | ||
| 471 | }); | ||
| 472 | RCC.apb3lpenr().modify(|w| { | ||
| 473 | w.set_dftlpen(true); | ||
| 474 | }); | ||
| 475 | RCC.apb4llpenr().modify(|w| { | ||
| 476 | w.set_rtcapblpen(true); | ||
| 477 | w.set_rtclpen(true); | ||
| 478 | w.set_vrefbuflpen(true); | ||
| 479 | w.set_lptim5lpen(true); | ||
| 480 | w.set_lptim4lpen(true); | ||
| 481 | w.set_lptim3lpen(true); | ||
| 482 | w.set_lptim2lpen(true); | ||
| 483 | w.set_i2c4lpen(true); | ||
| 484 | w.set_spi6lpen(true); | ||
| 485 | w.set_lpuart1lpen(true); | ||
| 486 | w.set_hdplpen(true); | ||
| 487 | }); | ||
| 488 | RCC.apb4hlpenr().modify(|w| { | ||
| 489 | w.set_dtslpen(true); | ||
| 490 | w.set_bseclpen(true); | ||
| 491 | w.set_syscfglpen(true); | ||
| 492 | }); | ||
| 493 | RCC.apb5lpenr().modify(|w| { | ||
| 494 | w.set_csilpen(true); | ||
| 495 | w.set_venclpen(true); | ||
| 496 | w.set_gfxtimlpen(true); | ||
| 497 | w.set_dcmilpen(true); | ||
| 498 | w.set_ltdclpen(true); | ||
| 499 | }); | ||
| 500 | |||
| 501 | RCC.buslpenr().modify(|w| { | ||
| 502 | w.set_aclknclpen(true); | ||
| 503 | w.set_aclknlpen(true); | ||
| 504 | }); | ||
| 505 | |||
| 506 | RCC.memlpenr().modify(|w| { | ||
| 507 | w.set_bootromlpen(true); | ||
| 508 | w.set_vencramlpen(true); | ||
| 509 | w.set_npucacheramlpen(true); | ||
| 510 | w.set_flexramlpen(true); | ||
| 511 | w.set_axisram2lpen(true); | ||
| 512 | w.set_axisram1lpen(true); | ||
| 513 | w.set_bkpsramlpen(true); | ||
| 514 | w.set_ahbsram2lpen(true); | ||
| 515 | w.set_ahbsram1lpen(true); | ||
| 516 | w.set_axisram6lpen(true); | ||
| 517 | w.set_axisram5lpen(true); | ||
| 518 | w.set_axisram4lpen(true); | ||
| 519 | w.set_axisram3lpen(true); | ||
| 520 | }); | ||
| 521 | |||
| 522 | RCC.misclpenr().modify(|w| { | ||
| 523 | w.set_perlpen(true); | ||
| 524 | w.set_xspiphycomplpen(true); | ||
| 525 | w.set_dbglpen(true); | ||
| 526 | }); | ||
| 527 | } | ||
| 528 | |||
| 344 | const fn periph_prescaler_to_value(bits: u8) -> u8 { | 529 | const fn periph_prescaler_to_value(bits: u8) -> u8 { |
| 345 | match bits { | 530 | match bits { |
| 346 | 0 => 1, | 531 | 0 => 1, |
