4D systems Picaso uLCD 32PTU touch display library
Picaso_4DGL-32PTU_Media.cpp@27:dbf79d116497, 2016-09-29 (annotated)
- Committer:
- CaptainR
- Date:
- Thu Sep 29 19:40:53 2016 +0000
- Revision:
- 27:dbf79d116497
- Parent:
- 20:88e137b9ea46
get word and get string
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
CaptainR | 12:29f5ad896382 | 1 | // |
CaptainR | 12:29f5ad896382 | 2 | // Picaso_4DGL-32PTU is a class to drive 4D Systems TFT touch screens with PICASO processor |
CaptainR | 12:29f5ad896382 | 3 | // Tested with NUCLEO L152RE development board |
CaptainR | 12:29f5ad896382 | 4 | // Copyright (C) <2016> Rihards Balass <rihards.balass@gmail.com> |
CaptainR | 12:29f5ad896382 | 5 | // |
CaptainR | 12:29f5ad896382 | 6 | // Picaso_4DGL-32PTU is free software: you can redistribute it and/or modify |
CaptainR | 12:29f5ad896382 | 7 | // it under the terms of the GNU General Public License as published by |
CaptainR | 12:29f5ad896382 | 8 | // the Free Software Foundation, either version 3 of the License, or |
CaptainR | 12:29f5ad896382 | 9 | // (at your option) any later version. |
CaptainR | 12:29f5ad896382 | 10 | // |
CaptainR | 12:29f5ad896382 | 11 | // Picaso_4DGL-32PTU is distributed in the hope that it will be useful, |
CaptainR | 12:29f5ad896382 | 12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
CaptainR | 12:29f5ad896382 | 13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
CaptainR | 12:29f5ad896382 | 14 | // GNU General Public License for more details. |
CaptainR | 12:29f5ad896382 | 15 | // |
CaptainR | 12:29f5ad896382 | 16 | // You can see GNU General Public License at <http://www.gnu.org/licenses/>. |
CaptainR | 12:29f5ad896382 | 17 | // |
CaptainR | 12:29f5ad896382 | 18 | |
CaptainR | 12:29f5ad896382 | 19 | #include "mbed.h" |
CaptainR | 12:29f5ad896382 | 20 | #include "Picaso_4DGL-32PTU.h" |
CaptainR | 12:29f5ad896382 | 21 | |
CaptainR | 12:29f5ad896382 | 22 | //************************************************************************** |
CaptainR | 12:29f5ad896382 | 23 | // The Media Init command initialises a uSD/SD/SDHC memory card for further operations. |
CaptainR | 12:29f5ad896382 | 24 | // The SD card is connected to the SPI (serial peripheral interface) of the PICASO-GFX2 chip. |
CaptainR | 12:29f5ad896382 | 25 | //************************************************************************** |
CaptainR | 12:29f5ad896382 | 26 | short PICASO_4DGL :: media_Init() { |
CaptainR | 12:29f5ad896382 | 27 | |
CaptainR | 12:29f5ad896382 | 28 | char command[2] = ""; |
CaptainR | 12:29f5ad896382 | 29 | |
CaptainR | 12:29f5ad896382 | 30 | command[0] = (MEDIA_INIT >> (8*1)) & 0xff; |
CaptainR | 12:29f5ad896382 | 31 | command[1] = (MEDIA_INIT >> (8*0)) & 0xff; |
CaptainR | 12:29f5ad896382 | 32 | |
CaptainR | 12:29f5ad896382 | 33 | writeCOMMAND(command, 2); |
CaptainR | 12:29f5ad896382 | 34 | short success = mediaInitResponse(); |
CaptainR | 12:29f5ad896382 | 35 | #ifdef DEBUGMODE |
CaptainR | 12:29f5ad896382 | 36 | pc.printf("\n\r DEBUG: uSD card INIT: %i\n\r", success); |
CaptainR | 12:29f5ad896382 | 37 | #endif |
CaptainR | 12:29f5ad896382 | 38 | return success; |
CaptainR | 12:29f5ad896382 | 39 | } |
CaptainR | 12:29f5ad896382 | 40 | |
CaptainR | 12:29f5ad896382 | 41 | //************************************************************************** |
CaptainR | 12:29f5ad896382 | 42 | // The Set Byte Address command sets the media memory internal |
CaptainR | 12:29f5ad896382 | 43 | // Address pointer for access at a non-sector aligned byte address. |
CaptainR | 12:29f5ad896382 | 44 | //************************************************************************** |
CaptainR | 12:29f5ad896382 | 45 | bool PICASO_4DGL :: media_SetAdd(int address) { |
CaptainR | 12:29f5ad896382 | 46 | |
CaptainR | 12:29f5ad896382 | 47 | char command[6] = ""; |
CaptainR | 12:29f5ad896382 | 48 | |
CaptainR | 12:29f5ad896382 | 49 | command[0] = (MEDIA_SET_ADD >> (8*1)) & 0xff; |
CaptainR | 12:29f5ad896382 | 50 | command[1] = (MEDIA_SET_ADD >> (8*0)) & 0xff; |
CaptainR | 12:29f5ad896382 | 51 | command[2] = (address >> (8*3)) & 0xff; |
CaptainR | 12:29f5ad896382 | 52 | command[3] = (address >> (8*2)) & 0xff; |
CaptainR | 12:29f5ad896382 | 53 | command[4] = (address >> (8*1)) & 0xff; |
CaptainR | 12:29f5ad896382 | 54 | command[5] = (address >> (8*0)) & 0xff; |
CaptainR | 12:29f5ad896382 | 55 | |
CaptainR | 12:29f5ad896382 | 56 | writeCOMMAND(command, 6); |
CaptainR | 12:29f5ad896382 | 57 | bool success = getResponse(1); |
CaptainR | 12:29f5ad896382 | 58 | #ifdef DEBUGMODE |
CaptainR | 12:29f5ad896382 | 59 | pc.printf("\n\r DEBUG: Set byte address: %i\n\r", success); |
CaptainR | 12:29f5ad896382 | 60 | #endif |
CaptainR | 12:29f5ad896382 | 61 | return success; |
CaptainR | 12:29f5ad896382 | 62 | } |
CaptainR | 12:29f5ad896382 | 63 | |
CaptainR | 12:29f5ad896382 | 64 | //************************************************************************** |
CaptainR | 12:29f5ad896382 | 65 | // The Set Sector Address command sets the media memory internal Address pointer for sector access. |
CaptainR | 12:29f5ad896382 | 66 | //************************************************************************** |
CaptainR | 12:29f5ad896382 | 67 | bool PICASO_4DGL :: media_SetSector(int address) { |
CaptainR | 12:29f5ad896382 | 68 | |
CaptainR | 12:29f5ad896382 | 69 | char command[6] = ""; |
CaptainR | 12:29f5ad896382 | 70 | |
CaptainR | 12:29f5ad896382 | 71 | command[0] = (MEDIA_SET_SECTOR >> (8*1)) & 0xff; |
CaptainR | 12:29f5ad896382 | 72 | command[1] = (MEDIA_SET_SECTOR >> (8*0)) & 0xff; |
CaptainR | 12:29f5ad896382 | 73 | command[2] = (address >> (8*3)) & 0xff; |
CaptainR | 12:29f5ad896382 | 74 | command[3] = (address >> (8*2)) & 0xff; |
CaptainR | 12:29f5ad896382 | 75 | command[4] = (address >> (8*1)) & 0xff; |
CaptainR | 12:29f5ad896382 | 76 | command[5] = (address >> (8*0)) & 0xff; |
CaptainR | 12:29f5ad896382 | 77 | |
CaptainR | 12:29f5ad896382 | 78 | writeCOMMAND(command, 6); |
CaptainR | 12:29f5ad896382 | 79 | bool success = getResponse(1); |
CaptainR | 12:29f5ad896382 | 80 | #ifdef DEBUGMODE |
CaptainR | 12:29f5ad896382 | 81 | pc.printf("\n\r DEBUG: Set sector address: %i\n\r", success); |
CaptainR | 12:29f5ad896382 | 82 | #endif |
CaptainR | 12:29f5ad896382 | 83 | return success; |
CaptainR | 12:29f5ad896382 | 84 | } |
CaptainR | 12:29f5ad896382 | 85 | |
CaptainR | 12:29f5ad896382 | 86 | //************************************************************************** |
CaptainR | 12:29f5ad896382 | 87 | // The Read Sector command reads and returns 512 bytes (256 words) |
CaptainR | 12:29f5ad896382 | 88 | // pointed to by the internal Sector pointer, determined by the |
CaptainR | 12:29f5ad896382 | 89 | // “Set Sector Address” command. |
CaptainR | 12:29f5ad896382 | 90 | // After the read the Sector pointer is automatically incremented by 1. |
CaptainR | 12:29f5ad896382 | 91 | // Answer = acknowledge (byte) , status (word), block (sector) = 1 + 2 + 512 = 515 bytes |
CaptainR | 12:29f5ad896382 | 92 | //************************************************************************** |
CaptainR | 13:1a0800957412 | 93 | bool PICASO_4DGL :: media_RdSector() { |
CaptainR | 12:29f5ad896382 | 94 | |
CaptainR | 12:29f5ad896382 | 95 | char command[2] = ""; |
CaptainR | 12:29f5ad896382 | 96 | |
CaptainR | 12:29f5ad896382 | 97 | command[0] = (MEDIA_READ_SECTOR >> (8*1)) & 0xff; |
CaptainR | 12:29f5ad896382 | 98 | command[1] = (MEDIA_READ_SECTOR >> (8*0)) & 0xff; |
CaptainR | 12:29f5ad896382 | 99 | |
CaptainR | 12:29f5ad896382 | 100 | writeCOMMAND(command, 2); |
CaptainR | 12:29f5ad896382 | 101 | bool success = readSectorResponse(515); |
CaptainR | 12:29f5ad896382 | 102 | #ifdef DEBUGMODE |
CaptainR | 13:1a0800957412 | 103 | pc.printf("\n\r DEBUG: Read sector: %i\n\r", success); |
CaptainR | 12:29f5ad896382 | 104 | #endif |
CaptainR | 12:29f5ad896382 | 105 | return success; |
CaptainR | 12:29f5ad896382 | 106 | } |
CaptainR | 12:29f5ad896382 | 107 | |
CaptainR | 12:29f5ad896382 | 108 | //************************************************************************** |
CaptainR | 12:29f5ad896382 | 109 | // The Write Sector command writes 512 bytes (256 words) from a source memory |
CaptainR | 12:29f5ad896382 | 110 | // block into the uSD card. After the write the Sect pointer is automatically incremented by 1. |
CaptainR | 12:29f5ad896382 | 111 | // Response = acknowledge (byte) , status (word) |
CaptainR | 12:29f5ad896382 | 112 | //************************************************************************** |
CaptainR | 13:1a0800957412 | 113 | bool PICASO_4DGL :: media_WrSector(char *block) { |
CaptainR | 12:29f5ad896382 | 114 | |
CaptainR | 12:29f5ad896382 | 115 | char command[514] = ""; |
CaptainR | 14:561cb06a2739 | 116 | bool success = false; |
CaptainR | 15:86bdf382e6f7 | 117 | int j; |
CaptainR | 12:29f5ad896382 | 118 | |
CaptainR | 12:29f5ad896382 | 119 | command[0] = (MEDIA_WRITE_SECTOR >> (8*1)) & 0xff; |
CaptainR | 12:29f5ad896382 | 120 | command[1] = (MEDIA_WRITE_SECTOR >> (8*0)) & 0xff; |
CaptainR | 12:29f5ad896382 | 121 | |
CaptainR | 15:86bdf382e6f7 | 122 | #if DEBUGMODE |
CaptainR | 15:86bdf382e6f7 | 123 | pc.printf("\n\r DEBUG: string length = %i\n\r", strlen(block)); |
CaptainR | 15:86bdf382e6f7 | 124 | #endif |
CaptainR | 14:561cb06a2739 | 125 | if (strlen(block) <= 512) { |
CaptainR | 15:86bdf382e6f7 | 126 | j = 513 - strlen(block); |
CaptainR | 14:561cb06a2739 | 127 | for (int i = 0; i < strlen(block); i++) { |
CaptainR | 14:561cb06a2739 | 128 | command[j++] = block[i]; |
CaptainR | 14:561cb06a2739 | 129 | } |
CaptainR | 14:561cb06a2739 | 130 | success = media_WrData(command, 514); |
CaptainR | 14:561cb06a2739 | 131 | } |
CaptainR | 14:561cb06a2739 | 132 | else { // data is bigger than one block |
CaptainR | 15:86bdf382e6f7 | 133 | j = 513 - (strlen(block) % 512); // set the first block pointer |
CaptainR | 14:561cb06a2739 | 134 | for (int i = 0; i < strlen(block); i++) { |
CaptainR | 14:561cb06a2739 | 135 | if (j == 513) { |
CaptainR | 14:561cb06a2739 | 136 | success = media_WrData(command, 514); |
CaptainR | 14:561cb06a2739 | 137 | #if DEBUGMODE |
CaptainR | 14:561cb06a2739 | 138 | pc.printf("\n\r DEBUG: Block send = %i", success); |
CaptainR | 15:86bdf382e6f7 | 139 | //if (success) puts("\n\r Sector send: OK"); |
CaptainR | 15:86bdf382e6f7 | 140 | //else puts("\n\r Sector send: FAIL"); |
CaptainR | 14:561cb06a2739 | 141 | #endif |
CaptainR | 14:561cb06a2739 | 142 | j = 2; |
CaptainR | 14:561cb06a2739 | 143 | command[j++] = block[i]; |
CaptainR | 14:561cb06a2739 | 144 | } |
CaptainR | 14:561cb06a2739 | 145 | else command[j++] = block[i]; |
CaptainR | 14:561cb06a2739 | 146 | } |
CaptainR | 14:561cb06a2739 | 147 | } |
CaptainR | 14:561cb06a2739 | 148 | return success; |
CaptainR | 14:561cb06a2739 | 149 | } |
CaptainR | 14:561cb06a2739 | 150 | |
CaptainR | 14:561cb06a2739 | 151 | bool PICASO_4DGL :: media_WrData(char *block, int size) { |
CaptainR | 14:561cb06a2739 | 152 | |
CaptainR | 14:561cb06a2739 | 153 | #if DEBUGMODE |
CaptainR | 14:561cb06a2739 | 154 | pc.printf("\n\r DEBUG: Write block ="); |
CaptainR | 14:561cb06a2739 | 155 | for (int k = 2; k < size; k++) { |
CaptainR | 14:561cb06a2739 | 156 | pc.printf(" %02X", block[k]); |
CaptainR | 14:561cb06a2739 | 157 | } |
CaptainR | 14:561cb06a2739 | 158 | pc.printf("\n\r"); |
CaptainR | 12:29f5ad896382 | 159 | #endif |
CaptainR | 15:86bdf382e6f7 | 160 | writeCOMMAND_2(block, size); |
CaptainR | 14:561cb06a2739 | 161 | bool success = writeSectorResponse(3); |
CaptainR | 12:29f5ad896382 | 162 | return success; |
CaptainR | 12:29f5ad896382 | 163 | } |
CaptainR | 12:29f5ad896382 | 164 | |
CaptainR | 16:cb072eea16e9 | 165 | //************************************************************************** |
CaptainR | 16:cb072eea16e9 | 166 | // The Read Byte command returns the byte value from the current media address, |
CaptainR | 16:cb072eea16e9 | 167 | // set by the “Set Byte Address” command. |
CaptainR | 16:cb072eea16e9 | 168 | // The internal byte address will then be internally incremented by one. |
CaptainR | 16:cb072eea16e9 | 169 | //************************************************************************** |
CaptainR | 16:cb072eea16e9 | 170 | bool PICASO_4DGL :: media_ReadByte() { |
CaptainR | 16:cb072eea16e9 | 171 | |
CaptainR | 16:cb072eea16e9 | 172 | char command[2] = ""; |
CaptainR | 16:cb072eea16e9 | 173 | |
CaptainR | 16:cb072eea16e9 | 174 | command[0] = (MEDIA_READ_BYTE >> (8*1)) & 0xff; |
CaptainR | 16:cb072eea16e9 | 175 | command[1] = (MEDIA_READ_BYTE >> (8*0)) & 0xff; |
CaptainR | 16:cb072eea16e9 | 176 | |
CaptainR | 16:cb072eea16e9 | 177 | writeCOMMAND(command, 2); |
CaptainR | 18:829f3e2c064c | 178 | bool success = readResponse(); |
CaptainR | 16:cb072eea16e9 | 179 | #ifdef DEBUGMODE |
CaptainR | 16:cb072eea16e9 | 180 | pc.printf("\n\r DEBUG: Read byte: %i\n\r", success); |
CaptainR | 16:cb072eea16e9 | 181 | #endif |
CaptainR | 16:cb072eea16e9 | 182 | return success; |
CaptainR | 16:cb072eea16e9 | 183 | } |
CaptainR | 12:29f5ad896382 | 184 | |
CaptainR | 18:829f3e2c064c | 185 | //************************************************************************** |
CaptainR | 18:829f3e2c064c | 186 | // The Read Word command returns the word value (2 bytes) from the current media |
CaptainR | 18:829f3e2c064c | 187 | // address, set by the “Set Byte Address” command. |
CaptainR | 18:829f3e2c064c | 188 | // The internal byte address will then be internally incremented by one. |
CaptainR | 18:829f3e2c064c | 189 | // If the address is not aligned, the word will still be read correctly. |
CaptainR | 18:829f3e2c064c | 190 | //************************************************************************** |
CaptainR | 18:829f3e2c064c | 191 | bool PICASO_4DGL :: media_ReadWord() { |
CaptainR | 18:829f3e2c064c | 192 | |
CaptainR | 18:829f3e2c064c | 193 | char command[2] = ""; |
CaptainR | 18:829f3e2c064c | 194 | |
CaptainR | 18:829f3e2c064c | 195 | command[0] = (MEDIA_READ_WORD >> (8*1)) & 0xff; |
CaptainR | 18:829f3e2c064c | 196 | command[1] = (MEDIA_READ_WORD >> (8*0)) & 0xff; |
CaptainR | 18:829f3e2c064c | 197 | |
CaptainR | 18:829f3e2c064c | 198 | writeCOMMAND(command, 2); |
CaptainR | 18:829f3e2c064c | 199 | bool success = readResponse(); |
CaptainR | 18:829f3e2c064c | 200 | #ifdef DEBUGMODE |
CaptainR | 18:829f3e2c064c | 201 | pc.printf("\n\r DEBUG: Read Word: %i\n\r", success); |
CaptainR | 18:829f3e2c064c | 202 | #endif |
CaptainR | 18:829f3e2c064c | 203 | return success; |
CaptainR | 18:829f3e2c064c | 204 | } |
CaptainR | 18:829f3e2c064c | 205 | |
CaptainR | 19:a259bc128867 | 206 | //************************************************************************** |
CaptainR | 19:a259bc128867 | 207 | // Writes a byte to the current media address that was initially set with the |
CaptainR | 19:a259bc128867 | 208 | // “Set Sector Address” command. |
CaptainR | 19:a259bc128867 | 209 | // |
CaptainR | 19:a259bc128867 | 210 | // Note: Writing bytes or words to a media sector must start from the beginning |
CaptainR | 19:a259bc128867 | 211 | // of the sector. All writes will be incremental until the “Flush Media” command |
CaptainR | 19:a259bc128867 | 212 | // is executed, or the sector address rolls over to the next sector. |
CaptainR | 19:a259bc128867 | 213 | // When the “Flush Media” command is called, any remaining bytes in the sector |
CaptainR | 19:a259bc128867 | 214 | // will be padded with 0xFF, destroying the previous contents. |
CaptainR | 19:a259bc128867 | 215 | // An attempt to use the “Set Byte Address” command will result in the |
CaptainR | 19:a259bc128867 | 216 | // lower 9 bits being interpreted as zero. If the writing rolls over to the |
CaptainR | 19:a259bc128867 | 217 | // next sector, the “Flush Media” command is issued automatically internally. |
CaptainR | 19:a259bc128867 | 218 | //************************************************************************** |
CaptainR | 19:a259bc128867 | 219 | bool PICASO_4DGL :: media_WriteByte(short value) { |
CaptainR | 19:a259bc128867 | 220 | |
CaptainR | 19:a259bc128867 | 221 | char command[4] = ""; |
CaptainR | 19:a259bc128867 | 222 | |
CaptainR | 19:a259bc128867 | 223 | command[0] = (MEDIA_WRITE_BYTE >> (8*1)) & 0xff; |
CaptainR | 19:a259bc128867 | 224 | command[1] = (MEDIA_WRITE_BYTE >> (8*0)) & 0xff; |
CaptainR | 19:a259bc128867 | 225 | command[2] = (value >> (8*1)) & 0xff; |
CaptainR | 19:a259bc128867 | 226 | command[3] = (value >> (8*0)) & 0xff; |
CaptainR | 19:a259bc128867 | 227 | |
CaptainR | 19:a259bc128867 | 228 | writeCOMMAND(command, 4); |
CaptainR | 19:a259bc128867 | 229 | bool success = writeByteResponse(); |
CaptainR | 19:a259bc128867 | 230 | #ifdef DEBUGMODE |
CaptainR | 19:a259bc128867 | 231 | pc.printf("\n\r DEBUG: Write Byte: %i\n\r", success); |
CaptainR | 19:a259bc128867 | 232 | #endif |
CaptainR | 19:a259bc128867 | 233 | return success; |
CaptainR | 19:a259bc128867 | 234 | } |
CaptainR | 12:29f5ad896382 | 235 | |
CaptainR | 20:88e137b9ea46 | 236 | //************************************************************************** |
CaptainR | 20:88e137b9ea46 | 237 | // Writes a word to the current media address that was initially set with the |
CaptainR | 20:88e137b9ea46 | 238 | // “Set Sector Address” command. |
CaptainR | 20:88e137b9ea46 | 239 | // |
CaptainR | 20:88e137b9ea46 | 240 | // Note: Writing bytes or words to a media sector must start from the beginning |
CaptainR | 20:88e137b9ea46 | 241 | // of the sector. All writes will be incremental until the “Flush Media” command |
CaptainR | 20:88e137b9ea46 | 242 | // is executed, or the sector address rolls over to the next sector. |
CaptainR | 20:88e137b9ea46 | 243 | // When the “Flush Media” command is called, any remaining bytes in the sector |
CaptainR | 20:88e137b9ea46 | 244 | // will be padded with 0xFF, destroying the previous contents. |
CaptainR | 20:88e137b9ea46 | 245 | // An attempt to use the “Set Byte Address” command will result in the |
CaptainR | 20:88e137b9ea46 | 246 | // lower 9 bits being interpreted as zero. If the writing rolls over to the |
CaptainR | 20:88e137b9ea46 | 247 | // next sector, the “Flush Media” command is issued automatically internally. |
CaptainR | 20:88e137b9ea46 | 248 | //************************************************************************** |
CaptainR | 20:88e137b9ea46 | 249 | bool PICASO_4DGL :: media_WriteWord(short value) { |
CaptainR | 20:88e137b9ea46 | 250 | |
CaptainR | 20:88e137b9ea46 | 251 | char command[4] = ""; |
CaptainR | 20:88e137b9ea46 | 252 | |
CaptainR | 20:88e137b9ea46 | 253 | command[0] = (MEDIA_WRITE_WORD >> (8*1)) & 0xff; |
CaptainR | 20:88e137b9ea46 | 254 | command[1] = (MEDIA_WRITE_WORD >> (8*0)) & 0xff; |
CaptainR | 20:88e137b9ea46 | 255 | command[2] = (value >> (8*1)) & 0xff; |
CaptainR | 20:88e137b9ea46 | 256 | command[3] = (value >> (8*0)) & 0xff; |
CaptainR | 20:88e137b9ea46 | 257 | |
CaptainR | 20:88e137b9ea46 | 258 | writeCOMMAND(command, 4); |
CaptainR | 20:88e137b9ea46 | 259 | bool success = writeByteResponse(); |
CaptainR | 20:88e137b9ea46 | 260 | #ifdef DEBUGMODE |
CaptainR | 20:88e137b9ea46 | 261 | pc.printf("\n\r DEBUG: Write Byte: %i\n\r", success); |
CaptainR | 20:88e137b9ea46 | 262 | #endif |
CaptainR | 20:88e137b9ea46 | 263 | return success; |
CaptainR | 20:88e137b9ea46 | 264 | } |
CaptainR | 20:88e137b9ea46 | 265 | |
CaptainR | 20:88e137b9ea46 | 266 | //************************************************************************** |
CaptainR | 20:88e137b9ea46 | 267 | // After writing any data to a sector, the Flush Media command should be called |
CaptainR | 20:88e137b9ea46 | 268 | // to ensure that the current sector that is being written is correctly stored |
CaptainR | 20:88e137b9ea46 | 269 | // back to the media else write operations may be unpredictable. |
CaptainR | 20:88e137b9ea46 | 270 | //************************************************************************** |
CaptainR | 20:88e137b9ea46 | 271 | bool PICASO_4DGL :: media_Flush() { |
CaptainR | 20:88e137b9ea46 | 272 | |
CaptainR | 20:88e137b9ea46 | 273 | char command[2] = ""; |
CaptainR | 20:88e137b9ea46 | 274 | |
CaptainR | 20:88e137b9ea46 | 275 | command[0] = (MEDIA_FLUSH >> (8*1)) & 0xff; |
CaptainR | 20:88e137b9ea46 | 276 | command[1] = (MEDIA_FLUSH >> (8*0)) & 0xff; |
CaptainR | 20:88e137b9ea46 | 277 | |
CaptainR | 20:88e137b9ea46 | 278 | writeCOMMAND(command, 2); |
CaptainR | 20:88e137b9ea46 | 279 | bool success = writeByteResponse(); |
CaptainR | 20:88e137b9ea46 | 280 | #ifdef DEBUGMODE |
CaptainR | 20:88e137b9ea46 | 281 | pc.printf("\n\r DEBUG: Read Word: %i\n\r", success); |
CaptainR | 20:88e137b9ea46 | 282 | #endif |
CaptainR | 20:88e137b9ea46 | 283 | return success; |
CaptainR | 20:88e137b9ea46 | 284 | } |
CaptainR | 12:29f5ad896382 | 285 | |
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CaptainR | 12:29f5ad896382 | 310 | |
CaptainR | 12:29f5ad896382 | 311 | |
CaptainR | 12:29f5ad896382 | 312 | |
CaptainR | 16:cb072eea16e9 | 313 | |
CaptainR | 19:a259bc128867 | 314 | |
CaptainR | 20:88e137b9ea46 | 315 |