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drivers/mtd_flashpage: add 16bit compatibility

This commit is contained in:
fjmolinas 2019-10-03 23:49:40 +02:00 committed by Francisco Molina
parent b9b01ac57e
commit f0bbcef987
2 changed files with 35 additions and 8 deletions

View File

@ -27,7 +27,7 @@
#include "mtd_flashpage.h"
#include "periph/flashpage.h"
#define MTD_FLASHPAGE_END_ADDR CPU_FLASH_BASE + (FLASHPAGE_NUMOF * FLASHPAGE_SIZE)
#define MTD_FLASHPAGE_END_ADDR ((uint32_t) CPU_FLASH_BASE + (FLASHPAGE_NUMOF * FLASHPAGE_SIZE))
static int _init(mtd_dev_t *dev)
{
@ -39,13 +39,20 @@ static int _init(mtd_dev_t *dev)
static int _read(mtd_dev_t *dev, void *buf, uint32_t addr, uint32_t size)
{
assert(addr < MTD_FLASHPAGE_END_ADDR);
(void)dev;
if (addr % FLASHPAGE_RAW_ALIGNMENT) {
return -EINVAL;
}
memcpy(buf, (void*)addr, size);
#if (__SIZEOF_POINTER__ == 2)
uint16_t dst_addr = addr;
#else
uint32_t dst_addr = addr;
#endif
memcpy(buf, (void *)dst_addr, size);
return size;
}
@ -53,6 +60,7 @@ static int _read(mtd_dev_t *dev, void *buf, uint32_t addr, uint32_t size)
static int _write(mtd_dev_t *dev, const void *buf, uint32_t addr, uint32_t size)
{
(void)dev;
if (addr % FLASHPAGE_RAW_ALIGNMENT) {
return -EINVAL;
}
@ -65,7 +73,14 @@ static int _write(mtd_dev_t *dev, const void *buf, uint32_t addr, uint32_t size)
if (addr + size > MTD_FLASHPAGE_END_ADDR) {
return -EOVERFLOW;
}
flashpage_write_raw((void *)addr, buf, size);
#if (__SIZEOF_POINTER__ == 2)
uint16_t dst_addr = addr;
#else
uint32_t dst_addr = addr;
#endif
flashpage_write_raw((void *)dst_addr, buf, size);
return size;
}
@ -78,13 +93,20 @@ int _erase(mtd_dev_t *dev, uint32_t addr, uint32_t size)
return -EOVERFLOW;
}
if (addr + size > MTD_FLASHPAGE_END_ADDR) {
return - EOVERFLOW;
return -EOVERFLOW;
}
if (addr % sector_size) {
return - EOVERFLOW;
return -EOVERFLOW;
}
#if (__SIZEOF_POINTER__ == 2)
uint16_t dst_addr = addr;
#else
uint32_t dst_addr = addr;
#endif
for (size_t i = 0; i < size; i += sector_size) {
flashpage_write(flashpage_page((void *)addr), NULL);
flashpage_write(flashpage_page((void *)dst_addr), NULL);
}
return 0;

View File

@ -19,8 +19,13 @@
#include "mtd.h"
#include "mtd_flashpage.h"
#define TEST_ADDRESS1 (uint32_t)flashpage_addr(FLASHPAGE_NUMOF - 1)
#define TEST_ADDRESS2 (uint32_t)flashpage_addr(FLASHPAGE_NUMOF - 2)
#if (__SIZEOF_POINTER__ == 2)
#define TEST_ADDRESS1 (uint16_t)flashpage_addr(FLASHPAGE_NUMOF - 1)
#define TEST_ADDRESS2 (uint16_t)flashpage_addr(FLASHPAGE_NUMOF - 2)
#else
#define TEST_ADDRESS1 (uint32_t)flashpage_addr(FLASHPAGE_NUMOF - 1)
#define TEST_ADDRESS2 (uint32_t)flashpage_addr(FLASHPAGE_NUMOF - 2)
#endif
static mtd_dev_t _dev = MTD_FLASHPAGE_INIT_VAL(8);
static mtd_dev_t *dev = &_dev;