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implement suggested changes

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- update FLASH_FIRMWARE length
- use linker script define value
This commit is contained in:
microDev 2021-02-12 18:28:48 +05:30
parent 205837c47b
commit 527b11f99e
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GPG Key ID: 2C0867BE60967730
2 changed files with 5 additions and 3 deletions
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6
ports/raspberrypi/common-hal/nvm/ByteArray.c
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@ -31,6 +31,8 @@
#include "py/runtime.h"
#include "src/rp2_common/hardware_flash/include/hardware/flash.h"
extern uint32_t __flash_binary_start;
uint32_t common_hal_nvm_bytearray_get_length(nvm_bytearray_obj_t* self) {
return self->len;
}
@ -39,12 +41,12 @@ 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 clear a whole page at a time.
if (offset == 0 && len == FLASH_PAGE_SIZE) {
flash_range_program(page_addr - 0x10000000, bytes, FLASH_PAGE_SIZE);
flash_range_program(page_addr - (uint32_t) &__flash_binary_start, bytes, FLASH_PAGE_SIZE);
} else {
uint8_t buffer[FLASH_PAGE_SIZE];
memcpy(buffer, (uint8_t*) page_addr, FLASH_PAGE_SIZE);
memcpy(buffer + offset, bytes, len);
flash_range_program(page_addr - 0x10000000, buffer, FLASH_PAGE_SIZE);
flash_range_program(page_addr - (uint32_t) &__flash_binary_start, buffer, FLASH_PAGE_SIZE);
}
}

2
ports/raspberrypi/link.ld
View File

@ -23,7 +23,7 @@
MEMORY
{
FLASH_FIRMWARE (rx) : ORIGIN = 0x10000000, LENGTH = 1024k
FLASH_FIRMWARE (rx) : ORIGIN = 0x10000000, LENGTH = 1020k
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 256k
SCRATCH_X (rwx) : ORIGIN = 0x20040000, LENGTH = 4k
SCRATCH_Y (rwx) : ORIGIN = 0x20041000, LENGTH = 4k