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cpq committed 2026-10-21 10:16:02 +01:00
1 parent 38c326644f
commit c775f31ca7
17 files changed
+4448 -146
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src/arch_cube.h
+5 -64
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@@ -32,6 +32,7 @@
#if MG_ENABLE_TCPIP && !defined(MG_ENABLE_DRIVER_STM32F) && \
!defined(MG_ENABLE_DRIVER_STM32H) && !defined(MG_ENABLE_DRIVER_STM32N) && \
!defined(MG_ENABLE_DRIVER_STM32C) && \
!defined(MG_ENABLE_DRIVER_CYW) && !defined(MG_ENABLE_DRIVER_CYW_SDIO) && \
!defined(MG_ENABLE_DRIVER_ST67W6)
#if defined(STM32F1) || defined(STM32F2) || defined(STM32F4) || defined(STM32F7)
@@ -40,6 +41,8 @@
#define MG_ENABLE_DRIVER_STM32H 1
#elif defined(STM32N6)
#define MG_ENABLE_DRIVER_STM32N 1
#elif defined(STM32C5)
#define MG_ENABLE_DRIVER_STM32C 1
#else
#error Select a driver in mongoose_config.h
#endif
@@ -56,70 +59,8 @@
#define MG_OTA MG_OTA_STM32H5
#elif !defined(MG_OTA) && defined(STM32H7)
#define MG_OTA MG_OTA_STM32H7
#endif
// OTA rollback timer via IWDG. Fixed 10 s hang-detection window (prescaler
// /1024, LSI ~32 kHz: reload = 10 * 32000 / 1024 = 312). mg_ota_poll() feeds
// the watchdog every 500 ms while in MG_OTA_TESTING state; if the event loop
// hangs for 10 s, the IWDG fires and the device rolls back.
// STM32H7 names the peripheral IWDG1; all others use IWDG.
// The total evaluation period is set by MG_OTA_ROLLBACK_TIMEOUT_SECONDS.
// STM32H7 names the watchdog peripheral IWDG1; all other families use IWDG.
#if defined(IWDG1) && !defined(IWDG)
#define MG_IWDG IWDG1
#else
#define MG_IWDG IWDG
#endif
// PR=6 → /256 prescaler, RLR=1250 → ~10 s at LSI 32 kHz.
// Works on F4/F7/H5/H7; uses direct register writes so it is safe before HAL_Init().
#ifndef MG_OTA_ROLLBACK_TIMER_START
#define MG_OTA_ROLLBACK_TIMER_START() \
do { \
MG_IWDG->KR = 0xCCCCU; /* start + LSI */ \
MG_IWDG->KR = 0x5555U; /* unlock PR/RLR */ \
MG_IWDG->PR = 6U; /* /256 */ \
MG_IWDG->RLR = 1250U; /* 10 s */ \
while (MG_IWDG->SR & (IWDG_SR_PVU | IWDG_SR_RVU)) (void) 0; \
MG_IWDG->KR = 0xAAAAU; /* reload */ \
} while (0)
#endif
// Feed (reload) the IWDG. Called from mg_ota_poll() every 500 ms.
#ifndef MG_OTA_ROLLBACK_TIMER_FEED
#define MG_OTA_ROLLBACK_TIMER_FEED() (MG_IWDG->KR = 0xAAAAU)
#endif
// OTA state in a backup register that survives warm resets but clears on POR.
// STATE_GET reads work without any setup. STATE_SET enables the RTC APB clock
// and unlocks backup domain write access via direct register writes, so it is
// safe to call from any context (before or after HAL_Init).
// H5 (TAMP->BKP0R), H7 (RTC->BKP0R), F4/F7 (RTC->BKP0R).
#ifndef MG_OTA_STATE_GET
#if defined(PWR_DBPCR_DBP)
#define MG_OTA_DBP_ENABLE() (PWR->DBPCR |= PWR_DBPCR_DBP)
#elif defined(PWR_CR1_DBP)
#define MG_OTA_DBP_ENABLE() (PWR->CR1 |= PWR_CR1_DBP)
#else
#define MG_OTA_DBP_ENABLE() (PWR->CR |= PWR_CR_DBP)
#endif
#if defined(TAMP)
#define MG_OTA_STATE_GET() \
(RCC->APB3ENR |= RCC_APB3ENR_RTCAPBEN, TAMP->BKP0R)
#define MG_OTA_STATE_SET(v) \
(RCC->APB3ENR |= RCC_APB3ENR_RTCAPBEN, MG_OTA_DBP_ENABLE(), \
(TAMP->BKP0R = (uint32_t) (v)), TAMP->BKP0R)
#elif defined(RCC_APB4ENR_RTCAPBEN)
#define MG_OTA_STATE_GET() (RTC->BKP0R)
#define MG_OTA_STATE_SET(v) \
(RCC->APB4ENR |= RCC_APB4ENR_RTCAPBEN, MG_OTA_DBP_ENABLE(), \
(RTC->BKP0R = (uint32_t) (v)))
#else
#define MG_OTA_STATE_GET() (RTC->BKP0R)
#define MG_OTA_STATE_SET(v) \
(RCC->APB1ENR |= RCC_APB1ENR_PWREN, MG_OTA_DBP_ENABLE(), \
(RTC->BKP0R = (uint32_t) (v)))
#endif
#elif !defined(MG_OTA) && defined(STM32C5)
#define MG_OTA MG_OTA_STM32C5
#endif
// use HAL-defined execute-in-ram section