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Merge pull request #2966 from cesanta/ota-h7-dual-core

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H7 dual core OTA fix
This commit is contained in:
Sergio R. Caprile 2024-11-14 14:23:17 -03:00 committed by GitHub
commit 8b95a22e75
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4 changed files with 30 additions and 4 deletions
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14
mongoose.c
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@ -6654,7 +6654,7 @@ bool mg_ota_end(void) {
#if MG_OTA == MG_OTA_STM32H7
#if MG_OTA == MG_OTA_STM32H7 || MG_OTA == MG_OTA_STM32H7_DUAL_CORE
// - H723/735 RM 4.3.3: Note: The application can simultaneously request a read
// and a write operation through the AXI interface.
@ -6687,7 +6687,15 @@ static struct mg_flash s_mg_flash_stm32h7 = {
#define FLASH_OPTSR_PRG 0x20
#define FLASH_SIZE_REG 0x1ff1e880
#define IS_DUALCORE() (MG_OTA == MG_OTA_STM32H7_DUAL_CORE)
MG_IRAM static bool is_dualbank(void) {
if (IS_DUALCORE()) {
// H745/H755 and H747/H757 are running on dual core.
// Using only the 1st bank (mapped to CM7), in order not to interfere
// with the 2nd bank (CM4), possibly causing CM4 to boot unexpectedly.
return false;
}
return (s_mg_flash_stm32h7.size < 2 * 1024 * 1024) ? false : true;
}
@ -6824,6 +6832,10 @@ MG_IRAM static void single_bank_swap(char *p1, char *p2, size_t s, size_t ss) {
bool mg_ota_begin(size_t new_firmware_size) {
s_mg_flash_stm32h7.size = MG_REG(FLASH_SIZE_REG) * 1024;
if (IS_DUALCORE()) {
// Using only the 1st bank (mapped to CM7)
s_mg_flash_stm32h7.size /= 2;
}
return mg_ota_flash_begin(new_firmware_size, &s_mg_flash_stm32h7);
}

3
mongoose.h
View File

@ -2651,7 +2651,8 @@ void mg_rpc_list(struct mg_rpc_req *r);
#define MG_OTA_NONE 0 // No OTA support
#define MG_OTA_STM32H5 1 // STM32 H5
#define MG_OTA_STM32H7 2 // STM32 H7
#define MG_OTA_STM32F 3 // STM32 F7/F4/F2
#define MG_OTA_STM32H7_DUAL_CORE 3 // STM32 H7 dual core
#define MG_OTA_STM32F 4 // STM32 F7/F4/F2
#define MG_OTA_CH32V307 100 // WCH CH32V307
#define MG_OTA_U2A 200 // Renesas U2A16, U2A8, U2A6
#define MG_OTA_RT1020 300 // IMXRT1020

3
src/ota.h
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@ -8,7 +8,8 @@
#define MG_OTA_NONE 0 // No OTA support
#define MG_OTA_STM32H5 1 // STM32 H5
#define MG_OTA_STM32H7 2 // STM32 H7
#define MG_OTA_STM32F 3 // STM32 F7/F4/F2
#define MG_OTA_STM32H7_DUAL_CORE 3 // STM32 H7 dual core
#define MG_OTA_STM32F 4 // STM32 F7/F4/F2
#define MG_OTA_CH32V307 100 // WCH CH32V307
#define MG_OTA_U2A 200 // Renesas U2A16, U2A8, U2A6
#define MG_OTA_RT1020 300 // IMXRT1020

14
src/ota_stm32h7.c
View File

@ -2,7 +2,7 @@
#include "log.h"
#include "ota.h"
#if MG_OTA == MG_OTA_STM32H7
#if MG_OTA == MG_OTA_STM32H7 || MG_OTA == MG_OTA_STM32H7_DUAL_CORE
// - H723/735 RM 4.3.3: Note: The application can simultaneously request a read
// and a write operation through the AXI interface.
@ -35,7 +35,15 @@ static struct mg_flash s_mg_flash_stm32h7 = {
#define FLASH_OPTSR_PRG 0x20
#define FLASH_SIZE_REG 0x1ff1e880
#define IS_DUALCORE() (MG_OTA == MG_OTA_STM32H7_DUAL_CORE)
MG_IRAM static bool is_dualbank(void) {
if (IS_DUALCORE()) {
// H745/H755 and H747/H757 are running on dual core.
// Using only the 1st bank (mapped to CM7), in order not to interfere
// with the 2nd bank (CM4), possibly causing CM4 to boot unexpectedly.
return false;
}
return (s_mg_flash_stm32h7.size < 2 * 1024 * 1024) ? false : true;
}
@ -172,6 +180,10 @@ MG_IRAM static void single_bank_swap(char *p1, char *p2, size_t s, size_t ss) {
bool mg_ota_begin(size_t new_firmware_size) {
s_mg_flash_stm32h7.size = MG_REG(FLASH_SIZE_REG) * 1024;
if (IS_DUALCORE()) {
// Using only the 1st bank (mapped to CM7)
s_mg_flash_stm32h7.size /= 2;
}
return mg_ota_flash_begin(new_firmware_size, &s_mg_flash_stm32h7);
}