1 /*
2 * Copyright (C) 2020 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the copyright holders nor the names of
14 * contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 * 4. Any redistribution, use, or modification is done solely for
17 * personal benefit and not for any commercial purpose or for
18 * monetary gain.
19 *
20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN
24 * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * Please inquire about commercial licensing options at
34 * [email protected]
35 *
36 */
37
38
39 #include <stdint.h>
40 #include <string.h> // memcpy
41
42 #include "hal_flash_bank_synergy.h"
43 #include "btstack_debug.h"
44 #include "hal_data.h"
45
hal_flash_bank_synergy_get_size(void * context)46 static uint32_t hal_flash_bank_synergy_get_size(void * context){
47 hal_flash_bank_synergy_t * self = (hal_flash_bank_synergy_t *) context;
48 return self->page_size;
49 }
50
hal_flash_bank_synergy_get_alignment(void * context)51 static uint32_t hal_flash_bank_synergy_get_alignment(void * context){
52 UNUSED(context);
53 return 1;
54 }
55
hal_flash_bank_synergy_erase(void * context,int bank)56 static void hal_flash_bank_synergy_erase(void * context, int bank){
57 hal_flash_bank_synergy_t * self = (hal_flash_bank_synergy_t *) context;
58 if (bank > 1) return;
59 g_flash0.p_api->erase(g_flash0.p_ctrl, self->page_start[bank], 1);
60 }
61
hal_flash_bank_synergy_read(void * context,int bank,uint32_t offset,uint8_t * buffer,uint32_t size)62 static void hal_flash_bank_synergy_read(void * context, int bank, uint32_t offset, uint8_t * buffer, uint32_t size){
63 hal_flash_bank_synergy_t * self = (hal_flash_bank_synergy_t *) context;
64
65 if (bank > 1) return;
66 if (offset > self->page_size) return;
67 if ((offset + size) > self->page_size) return;
68
69 memcpy(buffer, (uint8_t *) (self->page_start[bank] + offset), size);
70 }
71
hal_flash_bank_synergy_write(void * context,int bank,uint32_t offset,const uint8_t * data,uint32_t size)72 static void hal_flash_bank_synergy_write(void * context, int bank, uint32_t offset, const uint8_t * data, uint32_t size){
73 hal_flash_bank_synergy_t * self = (hal_flash_bank_synergy_t *) context;
74
75 if (bank > 1) return;
76 if (offset > self->page_size) return;
77 if ((offset + size) > self->page_size) return;
78
79 g_flash0.p_api->write(g_flash0.p_ctrl, data, self->page_start[bank] + offset, size);
80 }
81
82 static const hal_flash_bank_t hal_flash_bank_synergy_impl = {
83 /* uint32_t (*get_size)() */ &hal_flash_bank_synergy_get_size,
84 /* uint32_t (*get_alignment)(..); */ &hal_flash_bank_synergy_get_alignment,
85 /* void (*erase)(..); */ &hal_flash_bank_synergy_erase,
86 /* void (*read)(..); */ &hal_flash_bank_synergy_read,
87 /* void (*write)(..); */ &hal_flash_bank_synergy_write,
88 };
89
hal_flash_bank_synergy_init_instance(hal_flash_bank_synergy_t * context,uint32_t page_size,uint32_t bank_0_addr,uint32_t bank_1_addr)90 const hal_flash_bank_t * hal_flash_bank_synergy_init_instance(hal_flash_bank_synergy_t * context, uint32_t page_size,
91 uint32_t bank_0_addr, uint32_t bank_1_addr){
92 context->page_size = page_size;
93 context->page_start[0] = bank_0_addr;
94 context->page_start[1] = bank_1_addr;
95 return &hal_flash_bank_synergy_impl;
96 }
97