fix(usb): enter the bootloader after USB update confirm without key 4
Keep the NVM sector out of the application image and arm a backup register that survives reset, so confirm stays in flash mode even when round key 4 is not held. Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
yuquanjun
parent
968f8ae1ec
commit
fa5aa85bee
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@ -180,12 +180,14 @@ int main(void)
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TM1617_GPIO_Init();
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/* ????????????????????? App??
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* ???????????? KEY_MAIN_A ????? USB ????????
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* ??????????? KEY_NULL ???? App????<EFBFBD><EFBFBD>??????????????? Boot ?????? */
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/* 按住圆键 4（KEY_MAIN_A），或 App 确认了 USB 更新，都停在烧录。
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* USB 更新有两处标志：Flash 里的 UsbMode，以及复位后仍在的备份寄存器。
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* 没按键且两处都没有标志才跳进 App。 */
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wk_delay_ms(50);
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TM1617KeyValue = TM1617_ScanFkey();
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if (TM1617KeyValue != KEY_MAIN_A && !Boot_NvmUsbUpdateRequested())
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if (TM1617KeyValue != KEY_MAIN_A &&
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!Boot_NvmUsbUpdateRequested() &&
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!drv_nvm_usb_boot_armed())
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{
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JumpToApplication();
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}
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@ -222,11 +224,14 @@ int main(void)
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LCD_ALIGN_CENTER, WHITE, BLACK, 0, 24);
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}
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}
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/* 画面出来后再清标志。擦写与 Boot 同在 Flash Bank1，期间关掉中断 */
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if (Boot_NvmUsbUpdateRequested())
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/* 画面出来后再清标志，避免还没进烧录就被下一次复位跳回 App。
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* 擦写与 Boot 同在 Flash Bank1，期间关掉中断。 */
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if (Boot_NvmUsbUpdateRequested() || drv_nvm_usb_boot_armed())
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{
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__disable_irq();
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Boot_NvmClearUsbUpdate();
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if (Boot_NvmUsbUpdateRequested())
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Boot_NvmClearUsbUpdate();
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drv_nvm_clear_usb_boot_arm();
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__enable_irq();
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}
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@ -62,8 +62,12 @@ void UI_UsbModeConfirm_Process(DisplayTaskMessage_Type msg)
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case GUI_CONFIRM:
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nvm = drv_nvm_param_ptr();
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nvm->param.UsbMode = NVM_USB_UPDATE;
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__disable_irq();
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/* 先记备份寄存器，再写 Flash。系统复位不清 BPR，
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* Boot 不按圆键 4 也会留下烧录。关中断放在保存之后，
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* 避免日志互斥在关中断后永远等不到超时。 */
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drv_nvm_arm_usb_boot();
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drv_nvm_save_to_flash();
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__disable_irq();
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nvic_system_reset();
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break;
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default:
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@ -11,21 +11,22 @@
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#ifndef FLASH_BASE
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#define FLASH_BASE 0x08000000UL
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#endif
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#ifndef SECTOR_SIZE
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#define NVM_SECTOR_SZ 1024UL
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#else
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#define NVM_SECTOR_SZ ((uint32_t)SECTOR_SIZE)
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#endif
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#define fwname "BRS08L\x00"
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#define fwdata __DATE__
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#define fwtime __TIME__
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/* AT32F403A 扇区为 2KB。参数仍写在 256KB 末尾倒数第 2 个 1KB，
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* 擦除必须对齐到扇区起点，否则 0->1（MIDI->更新）写不进去。 */
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/* 参数固定在 0x0803FC00（256KB 末尾倒数第 2 个 1KB）。
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* 地址不能跟 SECTOR_SIZE 走：App 与 Boot 对该宏不一致时，Boot 会读错，
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* USB 更新标志对不上。AT32F403A 扇区是 2KB，擦除必须对齐扇区起点，
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* 否则 0->1（MIDI->更新）写不进去。应用程序链接范围必须停在该扇区之前。 */
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#define NVM_FLASH_SECTOR 2048UL
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#define INNER_FLASH_SAVE_ADDRESS (FLASH_BASE + 0x00040000UL - NVM_SECTOR_SZ)
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#define INNER_FLASH_SAVE_ADDRESS (FLASH_BASE + 0x00040000UL - 1024UL)
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#define INNER_FLASH_SECTOR_ADDRESS (INNER_FLASH_SAVE_ADDRESS & ~(NVM_FLASH_SECTOR - 1UL))
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/* 备份寄存器在系统复位后仍保留。确认 USB 更新时先写下这个值，
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* Boot 即使没读到 Flash 里的 UsbMode，不按圆键 4 也会停在烧录模式。 */
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#define NVM_USB_BOOT_MAGIC 0xB007u
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#pragma pack(push, 1)
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@ -89,4 +90,36 @@ void drv_nvm_load_default_calibration_static_value(NvmParam_Type * pData, uint8_
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uint8_t drv_nvm_get_param_value_by_id (uint8_t nvmId);
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#include "at32f403a_407_bpr.h"
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#include "at32f403a_407_crm.h"
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#include "at32f403a_407_pwc.h"
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static inline void drv_nvm_bpr_open(void)
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{
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crm_periph_clock_enable(CRM_PWC_PERIPH_CLOCK, TRUE);
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crm_periph_clock_enable(CRM_BPR_PERIPH_CLOCK, TRUE);
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pwc_battery_powered_domain_access(TRUE);
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while (PWC->ctrl_bit.bpwen == FALSE)
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{
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}
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}
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static inline void drv_nvm_arm_usb_boot(void)
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{
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drv_nvm_bpr_open();
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BPR->dt1 = NVM_USB_BOOT_MAGIC;
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}
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static inline uint8_t drv_nvm_usb_boot_armed(void)
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{
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drv_nvm_bpr_open();
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return ((BPR->dt1 & 0xFFFFu) == NVM_USB_BOOT_MAGIC) ? 1u : 0u;
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}
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static inline void drv_nvm_clear_usb_boot_arm(void)
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{
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drv_nvm_bpr_open();
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BPR->dt1 = 0;
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}
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#endif // _DRV_NVM_H_
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@ -5,7 +5,8 @@
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define symbol __ICFEDIT_intvec_start__ = 0x08008000;
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/*-Memory Regions-*/
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define symbol __ICFEDIT_region_ROM_start__ = 0x08008000;
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define symbol __ICFEDIT_region_ROM_end__ = 0x0803FFFF;
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/* 0x0803F800-0x0803FFFF 是 NVM 扇区，留给 UsbMode。代码放进来会被参数擦除毁掉。 */
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define symbol __ICFEDIT_region_ROM_end__ = 0x0803F7FF;
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define symbol __ICFEDIT_region_RAM_start__ = 0x20000000;
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/* AT32F403ARCT7: 96KB SRAM (0x20000000-0x20017FFF). Do NOT use 224KB. */
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define symbol __ICFEDIT_region_RAM_end__ = 0x20017FFF;
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@ -5,7 +5,8 @@
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define symbol __ICFEDIT_intvec_start__ = 0x08008000;
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/*-Memory Regions-*/
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define symbol __ICFEDIT_region_ROM_start__ = 0x08000000;
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define symbol __ICFEDIT_region_ROM_end__ = 0x0803FFFF;
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/* 0x0803F800-0x0803FFFF 是 NVM 扇区，留给 UsbMode。 */
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define symbol __ICFEDIT_region_ROM_end__ = 0x0803F7FF;
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define symbol __ICFEDIT_region_RAM_start__ = 0x20000000;
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define symbol __ICFEDIT_region_RAM_end__ = 0x20037FFF;
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define symbol __ICFEDIT_boot_start__ = 0x08000000;
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