Fix bootloader_jump for certain CTRL boards (#16026)
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1 changed files with 5 additions and 12 deletions
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@ -18,15 +18,14 @@
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#include "samd51j18a.h"
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#include "samd51j18a.h"
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#ifdef KEYBOARD_massdrop_ctrl
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// WARNING: These are only for CTRL bootloader release "v2.18Jun 22 2018 17:28:08" for bootloader_jump support
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// WARNING: These are only for CTRL bootloader release "v2.18Jun 22 2018 17:28:08" for bootloader_jump support
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extern uint32_t _eram;
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extern uint32_t _eram;
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#define BOOTLOADER_MAGIC 0x3B9ACA00
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#define BOOTLOADER_MAGIC 0x3B9ACA00
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#define MAGIC_ADDR (uint32_t *)((intptr_t)(&_eram) - 4)
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#define MAGIC_ADDR (uint32_t *)((intptr_t)(&_eram) - 4)
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// CTRL keyboards released with bootloader version below must use RAM method. Otherwise use WDT method.
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// CTRL keyboards released with bootloader version below must use RAM method. Otherwise use WDT method.
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void bootloader_jump(void) {
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void bootloader_jump(void) {
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#ifdef KEYBOARD_massdrop_ctrl
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uint8_t ver_ram_method[] = "v2.18Jun 22 2018 17:28:08"; // The version to match (NULL terminated by compiler)
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uint8_t ver_ram_method[] = "v2.18Jun 22 2018 17:28:08"; // The version to match (NULL terminated by compiler)
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uint8_t *ver_check = ver_ram_method; // Pointer to version match string for traversal
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uint8_t *ver_check = ver_ram_method; // Pointer to version match string for traversal
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uint8_t *ver_rom = (uint8_t *)0x21A0; // Pointer to address in ROM where this specific bootloader version would exist
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uint8_t *ver_rom = (uint8_t *)0x21A0; // Pointer to address in ROM where this specific bootloader version would exist
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@ -39,16 +38,12 @@ void bootloader_jump(void) {
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if (!*ver_check) { // If check version pointer is NULL, all characters have matched
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if (!*ver_check) { // If check version pointer is NULL, all characters have matched
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*MAGIC_ADDR = BOOTLOADER_MAGIC; // Set magic number into RAM
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*MAGIC_ADDR = BOOTLOADER_MAGIC; // Set magic number into RAM
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NVIC_SystemReset(); // Perform system reset
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NVIC_SystemReset(); // Perform system reset
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while (1)
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while (1)
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; // Won't get here
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; // Won't get here
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}
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}
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}
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#endif
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#else
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// Set watchdog timer to reset. Directs the bootloader to stay in programming mode.
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// Set watchdog timer to reset. Directs the bootloader to stay in programming mode.
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void bootloader_jump(void) {
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WDT->CTRLA.bit.ENABLE = 0;
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WDT->CTRLA.bit.ENABLE = 0;
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while (WDT->SYNCBUSY.bit.ENABLE)
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while (WDT->SYNCBUSY.bit.ENABLE)
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@ -65,8 +60,6 @@ void bootloader_jump(void) {
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;
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;
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while (!WDT->CTRLA.bit.ENABLE)
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while (!WDT->CTRLA.bit.ENABLE)
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;
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;
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while (1)
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while (1)
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; // Wait on timeout
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; // Wait on timeout
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}
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}
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#endif
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