RAM Disk function using Mbed os5 standard library
Please refer following my Notebook page.
/users/kenjiArai/notebook/sd-card-control-new/#
main.cpp@2:4c2328c61af7, 2019-12-26 (annotated)
- Committer:
- kenjiArai
- Date:
- Thu Dec 26 11:12:47 2019 +0000
- Revision:
- 2:4c2328c61af7
- Parent:
- 1:58fc0cbd9a41
- Child:
- 3:c31e9e43554b
updated OS -> os5.15.0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kenjiArai | 0:308d4fafaafb | 1 | /* |
kenjiArai | 0:308d4fafaafb | 2 | * Mbed Application program |
kenjiArai | 0:308d4fafaafb | 3 | * RAM Disck function with FatFs on Mbed-os5 |
kenjiArai | 0:308d4fafaafb | 4 | * |
kenjiArai | 1:58fc0cbd9a41 | 5 | * Copyright (c) 2018,'19 Kenji Arai / JH1PJL |
kenjiArai | 0:308d4fafaafb | 6 | * http://www.page.sannet.ne.jp/kenjia/index.html |
kenjiArai | 0:308d4fafaafb | 7 | * https://os.mbed.com/users/kenjiArai/ |
kenjiArai | 0:308d4fafaafb | 8 | * Created: April 7th, 2018 |
kenjiArai | 1:58fc0cbd9a41 | 9 | * Revised: December 26th, 2019 |
kenjiArai | 0:308d4fafaafb | 10 | */ |
kenjiArai | 0:308d4fafaafb | 11 | |
kenjiArai | 0:308d4fafaafb | 12 | // Include -------------------------------------------------------------------- |
kenjiArai | 0:308d4fafaafb | 13 | #include "mbed.h" |
kenjiArai | 0:308d4fafaafb | 14 | #include "FATFileSystem.h" |
kenjiArai | 0:308d4fafaafb | 15 | #include "HeapBlockDevice.h" |
kenjiArai | 0:308d4fafaafb | 16 | #include "mon.h" |
kenjiArai | 0:308d4fafaafb | 17 | #include <stdlib.h> |
kenjiArai | 0:308d4fafaafb | 18 | #include <stdio.h> |
kenjiArai | 0:308d4fafaafb | 19 | #include <errno.h> |
kenjiArai | 0:308d4fafaafb | 20 | |
kenjiArai | 0:308d4fafaafb | 21 | // Definition ----------------------------------------------------------------- |
kenjiArai | 1:58fc0cbd9a41 | 22 | #if defined(TARGET_DISCO_F769NI) || defined(TARGET_DISCO_F746NG) |
kenjiArai | 0:308d4fafaafb | 23 | #define USER_SW_ON 1 |
kenjiArai | 0:308d4fafaafb | 24 | #else |
kenjiArai | 0:308d4fafaafb | 25 | #define USER_SW_ON 0 |
kenjiArai | 0:308d4fafaafb | 26 | #endif |
kenjiArai | 0:308d4fafaafb | 27 | |
kenjiArai | 1:58fc0cbd9a41 | 28 | #define DISK_SIZE_LIMIT (5 * 512) |
kenjiArai | 1:58fc0cbd9a41 | 29 | #define RAM_DISK_SIZE_4MB (8192 * 512) |
kenjiArai | 1:58fc0cbd9a41 | 30 | #define RAM_DISK_SIZE_2MB (4096 * 512) |
kenjiArai | 1:58fc0cbd9a41 | 31 | #define RAM_DISK_SIZE_1MB (2048 * 512) |
kenjiArai | 1:58fc0cbd9a41 | 32 | #define RAM_DISK_SIZE_512KB (1024 * 512) |
kenjiArai | 1:58fc0cbd9a41 | 33 | #define RAM_DISK_SIZE_128KB (256 * 512) |
kenjiArai | 1:58fc0cbd9a41 | 34 | #define RAM_DISK_SIZE_64KB (128 * 512) |
kenjiArai | 1:58fc0cbd9a41 | 35 | |
kenjiArai | 1:58fc0cbd9a41 | 36 | #if defined(TARGET_NUCLEO_F401RE) || defined(TARGET_NUCLEO_F411RE) ||\ |
kenjiArai | 1:58fc0cbd9a41 | 37 | defined(TARGET_NUCLEO_F446RE) || defined(TARGET_NUCLEO_L476RG) ||\ |
kenjiArai | 1:58fc0cbd9a41 | 38 | defined(TARGET_NUCLEO_L152RE) |
kenjiArai | 1:58fc0cbd9a41 | 39 | #define RAM_DISK_SIZE RAM_DISK_SIZE_64KB |
kenjiArai | 1:58fc0cbd9a41 | 40 | #elif defined(TARGET_K64F) || defined(TARGET_NRF52840_DK) ||\ |
kenjiArai | 1:58fc0cbd9a41 | 41 | defined(TARGET_DISCO_F746NG) || defined(TARGET_DISCO_F469NI) |
kenjiArai | 1:58fc0cbd9a41 | 42 | #define RAM_DISK_SIZE RAM_DISK_SIZE_128KB |
kenjiArai | 1:58fc0cbd9a41 | 43 | #elif defined(TARGET_GR_LYCHEE) |
kenjiArai | 1:58fc0cbd9a41 | 44 | #define RAM_DISK_SIZE RAM_DISK_SIZE_512KB |
kenjiArai | 1:58fc0cbd9a41 | 45 | #elif defined(TARGET_RZ_A1H) |
kenjiArai | 1:58fc0cbd9a41 | 46 | #define RAM_DISK_SIZE RAM_DISK_SIZE_2MB |
kenjiArai | 1:58fc0cbd9a41 | 47 | #else |
kenjiArai | 2:4c2328c61af7 | 48 | #warning "make sure disk size for your board!" |
kenjiArai | 1:58fc0cbd9a41 | 49 | #define RAM_DISK_SIZE RAM_DISK_SIZE_64KB |
kenjiArai | 1:58fc0cbd9a41 | 50 | #endif |
kenjiArai | 1:58fc0cbd9a41 | 51 | |
kenjiArai | 1:58fc0cbd9a41 | 52 | #define DEBUG 0 |
kenjiArai | 1:58fc0cbd9a41 | 53 | #if DEBUG |
kenjiArai | 1:58fc0cbd9a41 | 54 | #define DBG(...) pc.printf(__VA_ARGS__) |
kenjiArai | 1:58fc0cbd9a41 | 55 | #else |
kenjiArai | 1:58fc0cbd9a41 | 56 | #define DBG(...) {;} |
kenjiArai | 1:58fc0cbd9a41 | 57 | #endif |
kenjiArai | 0:308d4fafaafb | 58 | |
kenjiArai | 0:308d4fafaafb | 59 | // Constructor ---------------------------------------------------------------- |
kenjiArai | 0:308d4fafaafb | 60 | DigitalOut led(LED1); |
kenjiArai | 1:58fc0cbd9a41 | 61 | DigitalIn user_sw(BUTTON1, PullUp); |
kenjiArai | 0:308d4fafaafb | 62 | Serial pc(USBTX, USBRX, 115200); |
kenjiArai | 1:58fc0cbd9a41 | 63 | HeapBlockDevice bd(RAM_DISK_SIZE, 512); |
kenjiArai | 0:308d4fafaafb | 64 | FATFileSystem fs("fs"); |
kenjiArai | 1:58fc0cbd9a41 | 65 | Timer tmr; |
kenjiArai | 0:308d4fafaafb | 66 | |
kenjiArai | 0:308d4fafaafb | 67 | // RAM ------------------------------------------------------------------------ |
kenjiArai | 0:308d4fafaafb | 68 | |
kenjiArai | 0:308d4fafaafb | 69 | // ROM / Constant data -------------------------------------------------------- |
kenjiArai | 1:58fc0cbd9a41 | 70 | const char *const opening_msg0 = "RAM Disk (use Heap area) test program"; |
kenjiArai | 1:58fc0cbd9a41 | 71 | const char *const opening_msg1 = " -> run on Mbed OS-5\r\n"; |
kenjiArai | 0:308d4fafaafb | 72 | |
kenjiArai | 0:308d4fafaafb | 73 | // Function prototypes -------------------------------------------------------- |
kenjiArai | 0:308d4fafaafb | 74 | void return_error (int ret_val); |
kenjiArai | 0:308d4fafaafb | 75 | void errno_error (void* ret_val); |
kenjiArai | 0:308d4fafaafb | 76 | |
kenjiArai | 0:308d4fafaafb | 77 | //------------------------------------------------------------------------------ |
kenjiArai | 0:308d4fafaafb | 78 | // Control Program |
kenjiArai | 0:308d4fafaafb | 79 | //------------------------------------------------------------------------------ |
kenjiArai | 0:308d4fafaafb | 80 | int main() |
kenjiArai | 0:308d4fafaafb | 81 | { |
kenjiArai | 0:308d4fafaafb | 82 | time_t seconds; |
kenjiArai | 0:308d4fafaafb | 83 | uint32_t data0 = 10000U; |
kenjiArai | 0:308d4fafaafb | 84 | uint32_t data1 = 20000U; |
kenjiArai | 0:308d4fafaafb | 85 | uint32_t data2 = 30000U; |
kenjiArai | 0:308d4fafaafb | 86 | uint32_t data3 = 40000U; |
kenjiArai | 0:308d4fafaafb | 87 | uint32_t data4 = 50000U; |
kenjiArai | 0:308d4fafaafb | 88 | uint32_t data5 = 60000U; |
kenjiArai | 0:308d4fafaafb | 89 | |
kenjiArai | 0:308d4fafaafb | 90 | if (user_sw == USER_SW_ON) { |
kenjiArai | 0:308d4fafaafb | 91 | mon(); |
kenjiArai | 0:308d4fafaafb | 92 | } |
kenjiArai | 1:58fc0cbd9a41 | 93 | DBG("line:%d\r\n", __LINE__); |
kenjiArai | 0:308d4fafaafb | 94 | pc.printf("\r\nStart\r\n"); |
kenjiArai | 0:308d4fafaafb | 95 | int error = 0; |
kenjiArai | 0:308d4fafaafb | 96 | pc.printf("Welcome to the filesystem example.\r\n"); |
kenjiArai | 0:308d4fafaafb | 97 | pc.printf("Mounting the filesystem on \"/fs\". \r\n"); |
kenjiArai | 0:308d4fafaafb | 98 | pc.printf("Formatting a FAT, RAM-backed filesystem.\r\n"); |
kenjiArai | 0:308d4fafaafb | 99 | error = FATFileSystem::format(&bd); |
kenjiArai | 0:308d4fafaafb | 100 | return_error(error); |
kenjiArai | 0:308d4fafaafb | 101 | pc.printf("Mounting the filesystem on \"/fs\". \r\n"); |
kenjiArai | 0:308d4fafaafb | 102 | error = fs.mount(&bd); |
kenjiArai | 0:308d4fafaafb | 103 | return_error(error); |
kenjiArai | 0:308d4fafaafb | 104 | |
kenjiArai | 0:308d4fafaafb | 105 | FILE* fp = fopen("/fs/mydata.txt", "a"); |
kenjiArai | 0:308d4fafaafb | 106 | errno_error(fp); |
kenjiArai | 0:308d4fafaafb | 107 | if (fp != 0) { |
kenjiArai | 0:308d4fafaafb | 108 | pc.printf("%s%s", opening_msg0, opening_msg1); |
kenjiArai | 0:308d4fafaafb | 109 | fprintf(fp,"%s%s", opening_msg0, opening_msg1); |
kenjiArai | 0:308d4fafaafb | 110 | } else { |
kenjiArai | 0:308d4fafaafb | 111 | pc.printf("ERROR\r\n"); |
kenjiArai | 0:308d4fafaafb | 112 | } |
kenjiArai | 0:308d4fafaafb | 113 | fclose(fp); |
kenjiArai | 0:308d4fafaafb | 114 | while (pc.readable()) { |
kenjiArai | 0:308d4fafaafb | 115 | char c = pc.getc(); // dummy read |
kenjiArai | 1:58fc0cbd9a41 | 116 | mon(); |
kenjiArai | 0:308d4fafaafb | 117 | } |
kenjiArai | 0:308d4fafaafb | 118 | while (true) { |
kenjiArai | 1:58fc0cbd9a41 | 119 | DBG("line:%3d\r\n", __LINE__); |
kenjiArai | 1:58fc0cbd9a41 | 120 | tmr.reset(); |
kenjiArai | 1:58fc0cbd9a41 | 121 | tmr.start(); |
kenjiArai | 1:58fc0cbd9a41 | 122 | uint32_t size_disk = get_disk_freespace(); |
kenjiArai | 1:58fc0cbd9a41 | 123 | uint32_t size_file = get_data_file_size("mydata.txt"); |
kenjiArai | 1:58fc0cbd9a41 | 124 | pc.printf("free disk:%8u, file:%8u ", size_disk, size_file); |
kenjiArai | 0:308d4fafaafb | 125 | fp = fopen("/fs/mydata.txt", "a"); |
kenjiArai | 1:58fc0cbd9a41 | 126 | if (size_disk <= DISK_SIZE_LIMIT) { |
kenjiArai | 0:308d4fafaafb | 127 | pc.printf("Reached RAM Disk size limitation!!\r\n"); |
kenjiArai | 0:308d4fafaafb | 128 | break; |
kenjiArai | 0:308d4fafaafb | 129 | } |
kenjiArai | 1:58fc0cbd9a41 | 130 | DBG("line:%3d\r\n", __LINE__); |
kenjiArai | 0:308d4fafaafb | 131 | if(fp != 0) { |
kenjiArai | 0:308d4fafaafb | 132 | char tmp[64]; |
kenjiArai | 1:58fc0cbd9a41 | 133 | DBG("line:%d\r\n", __LINE__); |
kenjiArai | 0:308d4fafaafb | 134 | seconds = time(NULL); |
kenjiArai | 0:308d4fafaafb | 135 | strftime(tmp, 64, "DATE %H:%M:%S,%Y/%m/%d,", localtime(&seconds)); |
kenjiArai | 1:58fc0cbd9a41 | 136 | pc.printf("%s", tmp); |
kenjiArai | 0:308d4fafaafb | 137 | fprintf(fp, "%s", tmp); |
kenjiArai | 0:308d4fafaafb | 138 | pc.printf("%08d;%08d;%08d;%08d;%08d;%08d\r\n", |
kenjiArai | 0:308d4fafaafb | 139 | ++data0, ++data1, ++data2, ++data3, ++data4, ++data5); |
kenjiArai | 0:308d4fafaafb | 140 | fprintf(fp, "%08d;%08d;%08d;%08d;%08d;%08d\r\n", |
kenjiArai | 0:308d4fafaafb | 141 | data0, data1, data2, data3, data4, data5); |
kenjiArai | 0:308d4fafaafb | 142 | } else { |
kenjiArai | 0:308d4fafaafb | 143 | pc.printf("ERROR\r\n"); |
kenjiArai | 0:308d4fafaafb | 144 | } |
kenjiArai | 0:308d4fafaafb | 145 | fclose(fp); |
kenjiArai | 1:58fc0cbd9a41 | 146 | DBG("line:%3d\r\n", __LINE__); |
kenjiArai | 1:58fc0cbd9a41 | 147 | uint32_t time_sd = tmr.read_ms(); |
kenjiArai | 1:58fc0cbd9a41 | 148 | pc.printf("time[ms]:%3d ,", time_sd); |
kenjiArai | 2:4c2328c61af7 | 149 | ThisThread::sleep_for(20); |
kenjiArai | 0:308d4fafaafb | 150 | if (user_sw == USER_SW_ON) { |
kenjiArai | 0:308d4fafaafb | 151 | break; |
kenjiArai | 0:308d4fafaafb | 152 | } |
kenjiArai | 0:308d4fafaafb | 153 | if (pc.readable()) { |
kenjiArai | 0:308d4fafaafb | 154 | mon(); |
kenjiArai | 0:308d4fafaafb | 155 | } |
kenjiArai | 0:308d4fafaafb | 156 | led = !led; |
kenjiArai | 0:308d4fafaafb | 157 | } |
kenjiArai | 0:308d4fafaafb | 158 | while(true) { |
kenjiArai | 0:308d4fafaafb | 159 | mon(); |
kenjiArai | 2:4c2328c61af7 | 160 | system_reset(); |
kenjiArai | 0:308d4fafaafb | 161 | } |
kenjiArai | 0:308d4fafaafb | 162 | } |
kenjiArai | 0:308d4fafaafb | 163 | |
kenjiArai | 0:308d4fafaafb | 164 | void return_error (int ret_val) |
kenjiArai | 0:308d4fafaafb | 165 | { |
kenjiArai | 0:308d4fafaafb | 166 | if (ret_val) { |
kenjiArai | 0:308d4fafaafb | 167 | pc.printf("retrun error/Failure. %d\r\n", ret_val); |
kenjiArai | 0:308d4fafaafb | 168 | } |
kenjiArai | 0:308d4fafaafb | 169 | } |
kenjiArai | 0:308d4fafaafb | 170 | |
kenjiArai | 0:308d4fafaafb | 171 | void errno_error (void* ret_val) |
kenjiArai | 0:308d4fafaafb | 172 | { |
kenjiArai | 0:308d4fafaafb | 173 | if (ret_val == NULL) { |
kenjiArai | 0:308d4fafaafb | 174 | pc.printf("error #/Failure. %d \r\n", errno); |
kenjiArai | 0:308d4fafaafb | 175 | } |
kenjiArai | 0:308d4fafaafb | 176 | } |