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cpu/esp_common: flash: implement write_page()

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This commit is contained in:
Benjamin Valentin 2020-05-07 23:26:02 +02:00
parent f3500257b1
commit 277452807b
1 changed files with 15 additions and 2 deletions
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17
cpu/esp_common/periph/flash.c
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@ -58,8 +58,8 @@
/* the external pointer to the system MTD device */
mtd_dev_t* mtd0 = 0;
mtd_dev_t _flash_dev;
mtd_desc_t _flash_driver;
static mtd_dev_t _flash_dev;
static mtd_desc_t _flash_driver;
#ifdef MCU_ESP8266
@ -77,6 +77,8 @@ extern uint32_t spi_flash_get_id(void);
static int _flash_init (mtd_dev_t *dev);
static int _flash_read (mtd_dev_t *dev, void *buff, uint32_t addr, uint32_t size);
static int _flash_write (mtd_dev_t *dev, const void *buff, uint32_t addr, uint32_t size);
static int _flash_write_page (mtd_dev_t *dev, const void *buff, uint32_t page,
uint32_t offset, uint32_t size);
static int _flash_erase (mtd_dev_t *dev, uint32_t addr, uint32_t size);
static int _flash_power (mtd_dev_t *dev, enum mtd_power_state power);
@ -120,6 +122,7 @@ void spi_flash_drive_init (void)
_flash_driver.init = &_flash_init;
_flash_driver.read = &_flash_read;
_flash_driver.write = &_flash_write;
_flash_driver.write_page = &_flash_write_page;
_flash_driver.erase = &_flash_erase;
_flash_driver.power = &_flash_power;
@ -528,6 +531,16 @@ static int _flash_write (mtd_dev_t *dev, const void *buff, uint32_t addr, uint32
return (spi_flash_write(_flash_beg + addr, buff, size) == ESP_OK) ? 0 : -EIO;
}
static int _flash_write_page (mtd_dev_t *dev, const void *buff, uint32_t page, uint32_t offset,
uint32_t size)
{
uint32_t addr = _flash_beg + page * _flashchip->page_size + offset;
uint32_t remaining = _flashchip->page_size - offset;
size = MIN(size, remaining);
return (spi_flash_write(addr, buff, size) == ESP_OK) ? (int) size : -EIO;
}
static int _flash_erase (mtd_dev_t *dev, uint32_t addr, uint32_t size)
{
DEBUG("%s dev=%p addr=%08x size=%u\n", __func__, dev, addr, size);