1 // Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "esp_log.h"
16 #include "SPI_Flash.h"
17 #include "esp_spi_flash.h"
18 static const char *TAG = "spi_flash";
19
SPI_Flash()20 SPI_Flash::SPI_Flash()
21 {
22 }
23
chip_size()24 size_t SPI_Flash::chip_size()
25 {
26 return spi_flash_get_chip_size();
27 }
28
erase_sector(size_t sector)29 esp_err_t SPI_Flash::erase_sector(size_t sector)
30 {
31 esp_err_t result = spi_flash_erase_sector(sector);
32 if (result == ESP_OK) {
33 ESP_LOGV(TAG, "erase_sector - sector=0x%08x, result=0x%08x", sector, result);
34 } else {
35 ESP_LOGE(TAG, "erase_sector - sector=0x%08x, result=0x%08x", sector, result);
36 }
37 return result;
38 }
erase_range(size_t start_address,size_t size)39 esp_err_t SPI_Flash::erase_range(size_t start_address, size_t size)
40 {
41 size = (size + SPI_FLASH_SEC_SIZE - 1) / SPI_FLASH_SEC_SIZE;
42 size = size * SPI_FLASH_SEC_SIZE;
43 esp_err_t result = spi_flash_erase_range(start_address, size);
44 if (result == ESP_OK) {
45 ESP_LOGV(TAG, "erase_range - start_address=0x%08x, size=0x%08x, result=0x%08x", start_address, size, result);
46 } else {
47 ESP_LOGE(TAG, "erase_range - start_address=0x%08x, size=0x%08x, result=0x%08x", start_address, size, result);
48 }
49 return result;
50 }
51
write(size_t dest_addr,const void * src,size_t size)52 esp_err_t SPI_Flash::write(size_t dest_addr, const void *src, size_t size)
53 {
54 esp_err_t result = spi_flash_write(dest_addr, src, size);
55 if (result == ESP_OK) {
56 ESP_LOGV(TAG, "write - dest_addr=0x%08x, size=0x%08x, result=0x%08x", dest_addr, size, result);
57 } else {
58 ESP_LOGE(TAG, "write - dest_addr=0x%08x, size=0x%08x, result=0x%08x", dest_addr, size, result);
59 }
60 return result;
61 }
62
read(size_t src_addr,void * dest,size_t size)63 esp_err_t SPI_Flash::read(size_t src_addr, void *dest, size_t size)
64 {
65 esp_err_t result = spi_flash_read(src_addr, dest, size);
66 if (result == ESP_OK) {
67 ESP_LOGV(TAG, "read - src_addr=0x%08x, size=0x%08x, result=0x%08x", src_addr, size, result);
68 } else {
69 ESP_LOGE(TAG, "read - src_addr=0x%08x, size=0x%08x, result=0x%08x", src_addr, size, result);
70 }
71 return result;
72 }
73
sector_size()74 size_t SPI_Flash::sector_size()
75 {
76 return SPI_FLASH_SEC_SIZE;
77 }
78
~SPI_Flash()79 SPI_Flash::~SPI_Flash()
80 {
81 }
82
