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Merge pull request #5663 from FoamyGuy/rp2040_nvm_fix 

disable interrupts inside of ports raspberrypi common hal
This commit is contained in:
Dan Halbert 2021-12-04 19:38:57 -05:00 committed by GitHub
parent d486284d5d fa37ee6484
commit 36c1e8c7ee
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 0 deletions
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10
ports/raspberrypi/common-hal/nvm/ByteArray.c
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@ -31,6 +31,7 @@
#include "py/runtime.h"
#include "src/rp2_common/hardware_flash/include/hardware/flash.h"
#include "shared-bindings/microcontroller/__init__.h"
extern uint32_t __flash_binary_start;
static const uint32_t flash_binary_start = (uint32_t)&__flash_binary_start;
@ -45,13 +46,19 @@ static void write_page(uint32_t page_addr, uint32_t offset, uint32_t len, uint8_
// Write a whole page to flash, buffering it first and then erasing and rewriting it
// since we can only write a whole page at a time.
if (offset == 0 && len == FLASH_PAGE_SIZE) {
// disable interrupts to prevent core hang on rp2040
common_hal_mcu_disable_interrupts();
flash_range_program(RMV_OFFSET(page_addr), bytes, FLASH_PAGE_SIZE);
common_hal_mcu_enable_interrupts();
} else {
uint8_t buffer[FLASH_PAGE_SIZE];
memcpy(buffer, (uint8_t *)page_addr, FLASH_PAGE_SIZE);
memcpy(buffer + offset, bytes, len);
common_hal_mcu_disable_interrupts();
flash_range_program(RMV_OFFSET(page_addr), buffer, FLASH_PAGE_SIZE);
common_hal_mcu_enable_interrupts();
}
}
static void erase_and_write_sector(uint32_t address, uint32_t len, uint8_t *bytes) {
@ -60,8 +67,11 @@ static void erase_and_write_sector(uint32_t address, uint32_t len, uint8_t *byte
uint8_t buffer[FLASH_SECTOR_SIZE];
memcpy(buffer, (uint8_t *)CIRCUITPY_INTERNAL_NVM_START_ADDR, FLASH_SECTOR_SIZE);
memcpy(buffer + address, bytes, len);
// disable interrupts to prevent core hang on rp2040
common_hal_mcu_disable_interrupts();
flash_range_erase(RMV_OFFSET(CIRCUITPY_INTERNAL_NVM_START_ADDR), FLASH_SECTOR_SIZE);
flash_range_program(RMV_OFFSET(CIRCUITPY_INTERNAL_NVM_START_ADDR), buffer, FLASH_SECTOR_SIZE);
common_hal_mcu_enable_interrupts();
}
void common_hal_nvm_bytearray_get_bytes(const nvm_bytearray_obj_t *self,