Ryo Hagimoto / Mbed OS RZ_A2M_Mbed_samples_20201012

GR-MANGO sample using mbed-os library from my repository.

Dependencies:   mbed-http

sample_programs/sample_01_flash_write.cpp@0:b4c1e32627f2, 2020-10-12 (annotated)

Committer:
RyoheiHagimoto
Date:
Mon Oct 12 02:25:49 2020 +0000
Revision:
0:b4c1e32627f2
replaced mbed-os library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RyoheiHagimoto 0:b4c1e32627f2 1 /*******************************************************************************
RyoheiHagimoto 0:b4c1e32627f2 2 * DISCLAIMER
RyoheiHagimoto 0:b4c1e32627f2 3 * This software is supplied by Renesas Electronics Corporation and is only
RyoheiHagimoto 0:b4c1e32627f2 4 * intended for use with Renesas products. No other uses are authorized. This
RyoheiHagimoto 0:b4c1e32627f2 5 * software is owned by Renesas Electronics Corporation and is protected under
RyoheiHagimoto 0:b4c1e32627f2 6 * all applicable laws, including copyright laws.
RyoheiHagimoto 0:b4c1e32627f2 7 * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
RyoheiHagimoto 0:b4c1e32627f2 8 * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
RyoheiHagimoto 0:b4c1e32627f2 9 * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
RyoheiHagimoto 0:b4c1e32627f2 10 * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
RyoheiHagimoto 0:b4c1e32627f2 11 * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
RyoheiHagimoto 0:b4c1e32627f2 12 * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
RyoheiHagimoto 0:b4c1e32627f2 13 * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
RyoheiHagimoto 0:b4c1e32627f2 14 * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
RyoheiHagimoto 0:b4c1e32627f2 15 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
RyoheiHagimoto 0:b4c1e32627f2 16 * Renesas reserves the right, without notice, to make changes to this software
RyoheiHagimoto 0:b4c1e32627f2 17 * and to discontinue the availability of this software. By using this software,
RyoheiHagimoto 0:b4c1e32627f2 18 * you agree to the additional terms and conditions found by accessing the
RyoheiHagimoto 0:b4c1e32627f2 19 * following link:
RyoheiHagimoto 0:b4c1e32627f2 20 * http://www.renesas.com/disclaimer
RyoheiHagimoto 0:b4c1e32627f2 21 *
RyoheiHagimoto 0:b4c1e32627f2 22 * Copyright (C) 2019 Renesas Electronics Corporation. All rights reserved.
RyoheiHagimoto 0:b4c1e32627f2 23 *******************************************************************************/
RyoheiHagimoto 0:b4c1e32627f2 24 #include "sample_select.h"
RyoheiHagimoto 0:b4c1e32627f2 25
RyoheiHagimoto 0:b4c1e32627f2 26 #if (SAMPLE_PROGRAM_NO == 1)
RyoheiHagimoto 0:b4c1e32627f2 27 // SAMPLE_PROGRAM_NO 1 : FlashAPI sample
RyoheiHagimoto 0:b4c1e32627f2 28 //
RyoheiHagimoto 0:b4c1e32627f2 29 // This is a sample program of flash writing.
RyoheiHagimoto 0:b4c1e32627f2 30 // Writes to the address set in FLASH_ADDR.
RyoheiHagimoto 0:b4c1e32627f2 31 // Erasing is in units of 4096 bytes.
RyoheiHagimoto 0:b4c1e32627f2 32
RyoheiHagimoto 0:b4c1e32627f2 33 #include "mbed.h"
RyoheiHagimoto 0:b4c1e32627f2 34 #include "mbed_drv_cfg.h"
RyoheiHagimoto 0:b4c1e32627f2 35
RyoheiHagimoto 0:b4c1e32627f2 36 #define FLASH_ADDR (FLASH_BASE + FLASH_SIZE - 0x100000)
RyoheiHagimoto 0:b4c1e32627f2 37
RyoheiHagimoto 0:b4c1e32627f2 38 static uint8_t flash_work_buff[256];
RyoheiHagimoto 0:b4c1e32627f2 39
RyoheiHagimoto 0:b4c1e32627f2 40 static void disp_flash_work_buff(void) {
RyoheiHagimoto 0:b4c1e32627f2 41 for (uint32_t i = 0; i < sizeof(flash_work_buff); i++) {
RyoheiHagimoto 0:b4c1e32627f2 42 if ((i != 0) && ((i & 0x0F) == 0x00)) {
RyoheiHagimoto 0:b4c1e32627f2 43 printf("\r\n");
RyoheiHagimoto 0:b4c1e32627f2 44 }
RyoheiHagimoto 0:b4c1e32627f2 45 printf("%02x ", flash_work_buff[i]);
RyoheiHagimoto 0:b4c1e32627f2 46 }
RyoheiHagimoto 0:b4c1e32627f2 47 printf("\r\n\r\n");
RyoheiHagimoto 0:b4c1e32627f2 48 }
RyoheiHagimoto 0:b4c1e32627f2 49
RyoheiHagimoto 0:b4c1e32627f2 50 int main(void) {
RyoheiHagimoto 0:b4c1e32627f2 51 int ret;
RyoheiHagimoto 0:b4c1e32627f2 52 uint32_t i;
RyoheiHagimoto 0:b4c1e32627f2 53 FlashIAP flash;
RyoheiHagimoto 0:b4c1e32627f2 54
RyoheiHagimoto 0:b4c1e32627f2 55 flash.init();
RyoheiHagimoto 0:b4c1e32627f2 56
RyoheiHagimoto 0:b4c1e32627f2 57 // read
RyoheiHagimoto 0:b4c1e32627f2 58 memset(flash_work_buff, 0, sizeof(flash_work_buff));
RyoheiHagimoto 0:b4c1e32627f2 59 ret = flash.read(flash_work_buff, FLASH_ADDR, sizeof(flash_work_buff));
RyoheiHagimoto 0:b4c1e32627f2 60 printf("flash.read ret=%d\r\n", (int)ret);
RyoheiHagimoto 0:b4c1e32627f2 61 disp_flash_work_buff();
RyoheiHagimoto 0:b4c1e32627f2 62
RyoheiHagimoto 0:b4c1e32627f2 63 // erase
RyoheiHagimoto 0:b4c1e32627f2 64 ret = flash.erase(FLASH_ADDR, flash.get_sector_size(FLASH_ADDR));
RyoheiHagimoto 0:b4c1e32627f2 65 printf("flash.erase ret=%d\r\n", (int)ret);
RyoheiHagimoto 0:b4c1e32627f2 66
RyoheiHagimoto 0:b4c1e32627f2 67 // read
RyoheiHagimoto 0:b4c1e32627f2 68 memset(flash_work_buff, 0, sizeof(flash_work_buff));
RyoheiHagimoto 0:b4c1e32627f2 69 ret = flash.read(flash_work_buff, FLASH_ADDR, sizeof(flash_work_buff));
RyoheiHagimoto 0:b4c1e32627f2 70 printf("flash.read ret=%d\r\n", (int)ret);
RyoheiHagimoto 0:b4c1e32627f2 71 disp_flash_work_buff();
RyoheiHagimoto 0:b4c1e32627f2 72
RyoheiHagimoto 0:b4c1e32627f2 73 // write
RyoheiHagimoto 0:b4c1e32627f2 74 for (i = 0; i < sizeof(flash_work_buff); i++) {
RyoheiHagimoto 0:b4c1e32627f2 75 flash_work_buff[i] = i;
RyoheiHagimoto 0:b4c1e32627f2 76 }
RyoheiHagimoto 0:b4c1e32627f2 77 ret = flash.program(flash_work_buff, FLASH_ADDR, sizeof(flash_work_buff));
RyoheiHagimoto 0:b4c1e32627f2 78 printf("flash.write ret=%d\r\n", (int)ret);
RyoheiHagimoto 0:b4c1e32627f2 79
RyoheiHagimoto 0:b4c1e32627f2 80 // read
RyoheiHagimoto 0:b4c1e32627f2 81 memset(flash_work_buff, 0, sizeof(flash_work_buff));
RyoheiHagimoto 0:b4c1e32627f2 82 ret = flash.read(flash_work_buff, FLASH_ADDR, sizeof(flash_work_buff));
RyoheiHagimoto 0:b4c1e32627f2 83 printf("flash.read ret=%d\r\n", (int)ret);
RyoheiHagimoto 0:b4c1e32627f2 84 disp_flash_work_buff();
RyoheiHagimoto 0:b4c1e32627f2 85
RyoheiHagimoto 0:b4c1e32627f2 86 while (1);
RyoheiHagimoto 0:b4c1e32627f2 87 }
RyoheiHagimoto 0:b4c1e32627f2 88
RyoheiHagimoto 0:b4c1e32627f2 89 #endif