Darien Figueroa / Mbed 2 deprecated repo3

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Dependencies:   mbed MAX14720 MAX30205 USBDevice

e4a10ed6eb92/HSP/Devices/S25FS256/S25FS512.cpp@20:6d2af70c92ab, 2021-04-06 (annotated)

Committer:
darienf
Date:
Tue Apr 06 06:41:40 2021 +0000
Revision:
20:6d2af70c92ab
another repo

Who changed what in which revision?

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darienf 20:6d2af70c92ab 1 /*******************************************************************************
darienf 20:6d2af70c92ab 2 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
darienf 20:6d2af70c92ab 3 *
darienf 20:6d2af70c92ab 4 * Permission is hereby granted, free of charge, to any person obtaining a
darienf 20:6d2af70c92ab 5 * copy of this software and associated documentation files (the "Software"),
darienf 20:6d2af70c92ab 6 * to deal in the Software without restriction, including without limitation
darienf 20:6d2af70c92ab 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
darienf 20:6d2af70c92ab 8 * and/or sell copies of the Software, and to permit persons to whom the
darienf 20:6d2af70c92ab 9 * Software is furnished to do so, subject to the following conditions:
darienf 20:6d2af70c92ab 10 *
darienf 20:6d2af70c92ab 11 * The above copyright notice and this permission notice shall be included
darienf 20:6d2af70c92ab 12 * in all copies or substantial portions of the Software.
darienf 20:6d2af70c92ab 13 *
darienf 20:6d2af70c92ab 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
darienf 20:6d2af70c92ab 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
darienf 20:6d2af70c92ab 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
darienf 20:6d2af70c92ab 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
darienf 20:6d2af70c92ab 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
darienf 20:6d2af70c92ab 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
darienf 20:6d2af70c92ab 20 * OTHER DEALINGS IN THE SOFTWARE.
darienf 20:6d2af70c92ab 21 *
darienf 20:6d2af70c92ab 22 * Except as contained in this notice, the name of Maxim Integrated
darienf 20:6d2af70c92ab 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
darienf 20:6d2af70c92ab 24 * Products, Inc. Branding Policy.
darienf 20:6d2af70c92ab 25 *
darienf 20:6d2af70c92ab 26 * The mere transfer of this software does not imply any licenses
darienf 20:6d2af70c92ab 27 * of trade secrets, proprietary technology, copyrights, patents,
darienf 20:6d2af70c92ab 28 * trademarks, maskwork rights, or any other form of intellectual
darienf 20:6d2af70c92ab 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
darienf 20:6d2af70c92ab 30 * ownership rights.
darienf 20:6d2af70c92ab 31 *******************************************************************************
darienf 20:6d2af70c92ab 32 */
darienf 20:6d2af70c92ab 33
darienf 20:6d2af70c92ab 34 //
darienf 20:6d2af70c92ab 35 // Flash Non-Volatile Memory
darienf 20:6d2af70c92ab 36 // U27 S25FS512
darienf 20:6d2af70c92ab 37 // Nimitz SPIM1
darienf 20:6d2af70c92ab 38 //
darienf 20:6d2af70c92ab 39
darienf 20:6d2af70c92ab 40 #include "mbed.h"
darienf 20:6d2af70c92ab 41 #include "S25FS512.h"
darienf 20:6d2af70c92ab 42 #include "QuadSpiInterface.h"
darienf 20:6d2af70c92ab 43
darienf 20:6d2af70c92ab 44 #define IOMUX_IO_ENABLE 1
darienf 20:6d2af70c92ab 45
darienf 20:6d2af70c92ab 46 #define S25FS512_SPI_PORT 1
darienf 20:6d2af70c92ab 47 #define S25FS512_CS_PIN 0
darienf 20:6d2af70c92ab 48 #define S25FS512_CS_POLARITY 0
darienf 20:6d2af70c92ab 49 #define S25FS512_CS_ACTIVITY_DELAY 0
darienf 20:6d2af70c92ab 50 #define S25FS512_CS_INACTIVITY_DELAY 0
darienf 20:6d2af70c92ab 51 #define S25FS512_CLK_HI 4
darienf 20:6d2af70c92ab 52 #define S25FS512_CLK_LOW 4
darienf 20:6d2af70c92ab 53 #define S25FS512_ALT_CLK 0
darienf 20:6d2af70c92ab 54 #define S25FS512_CLK_POLARITY 0
darienf 20:6d2af70c92ab 55 #define S25FS512_CLK_PHASE 0
darienf 20:6d2af70c92ab 56 #define S25FS512_WRITE 1
darienf 20:6d2af70c92ab 57 #define S25FS512_READ 0
darienf 20:6d2af70c92ab 58
darienf 20:6d2af70c92ab 59 #define INT_PORT_B 3
darienf 20:6d2af70c92ab 60 #define INT_PIN_B 6
darienf 20:6d2af70c92ab 61
darienf 20:6d2af70c92ab 62 uint8_t flashBuffer[257 + 10];
darienf 20:6d2af70c92ab 63
darienf 20:6d2af70c92ab 64 //******************************************************************************
darienf 20:6d2af70c92ab 65 S25FS512::S25FS512(QuadSpiInterface *_quadSpiInterface) {
darienf 20:6d2af70c92ab 66 this->quadSpiInterface = _quadSpiInterface;
darienf 20:6d2af70c92ab 67 }
darienf 20:6d2af70c92ab 68
darienf 20:6d2af70c92ab 69 //******************************************************************************
darienf 20:6d2af70c92ab 70 S25FS512::~S25FS512(void) {
darienf 20:6d2af70c92ab 71 }
darienf 20:6d2af70c92ab 72
darienf 20:6d2af70c92ab 73 //******************************************************************************
darienf 20:6d2af70c92ab 74 int S25FS512::init(void) {
darienf 20:6d2af70c92ab 75 setQuadMode();
darienf 20:6d2af70c92ab 76 return 0;
darienf 20:6d2af70c92ab 77 }
darienf 20:6d2af70c92ab 78
darienf 20:6d2af70c92ab 79 //******************************************************************************
darienf 20:6d2af70c92ab 80 int S25FS512::wren4Wire(void) {
darienf 20:6d2af70c92ab 81 uint8_t cmdArray[8];
darienf 20:6d2af70c92ab 82 // Send WREN
darienf 20:6d2af70c92ab 83 cmdArray[0] = 0x06;
darienf 20:6d2af70c92ab 84 wait_1mS();
darienf 20:6d2af70c92ab 85 return reg_write_read_multiple_4Wire(cmdArray, 1, flashBuffer, 1);
darienf 20:6d2af70c92ab 86 }
darienf 20:6d2af70c92ab 87
darienf 20:6d2af70c92ab 88 //******************************************************************************
darienf 20:6d2af70c92ab 89 uint8_t S25FS512::wren(void) {
darienf 20:6d2af70c92ab 90 uint8_t cmdArray[8];
darienf 20:6d2af70c92ab 91 // Send WREN
darienf 20:6d2af70c92ab 92 cmdArray[0] = 0x06;
darienf 20:6d2af70c92ab 93 wait_1mS();
darienf 20:6d2af70c92ab 94 return reg_write_read_multiple_quad(cmdArray, 1, flashBuffer, 0);
darienf 20:6d2af70c92ab 95 }
darienf 20:6d2af70c92ab 96
darienf 20:6d2af70c92ab 97 //******************************************************************************
darienf 20:6d2af70c92ab 98 int8_t S25FS512::reg_write_read_multiple_quad_last(uint8_t *bufferOut,
darienf 20:6d2af70c92ab 99 uint8_t numberOut,
darienf 20:6d2af70c92ab 100 uint8_t *bufferIn,
darienf 20:6d2af70c92ab 101 uint8_t numberIn,
darienf 20:6d2af70c92ab 102 uint8_t last) {
darienf 20:6d2af70c92ab 103 int32_t success = 0;
darienf 20:6d2af70c92ab 104
darienf 20:6d2af70c92ab 105 success = quadSpiInterface->SPI_Transmit(
darienf 20:6d2af70c92ab 106 bufferOut, numberOut,
darienf 20:6d2af70c92ab 107 bufferIn, numberIn, (int)last);
darienf 20:6d2af70c92ab 108
darienf 20:6d2af70c92ab 109 if (success != 0) return -1;
darienf 20:6d2af70c92ab 110 return 0;
darienf 20:6d2af70c92ab 111 }
darienf 20:6d2af70c92ab 112
darienf 20:6d2af70c92ab 113 //******************************************************************************
darienf 20:6d2af70c92ab 114 int8_t S25FS512::reg_write_read_multiple_4Wire(uint8_t *bufferOut,
darienf 20:6d2af70c92ab 115 uint8_t numberOut,
darienf 20:6d2af70c92ab 116 uint8_t *bufferIn,
darienf 20:6d2af70c92ab 117 uint8_t numberIn) {
darienf 20:6d2af70c92ab 118 int32_t success = 0;
darienf 20:6d2af70c92ab 119 success = quadSpiInterface->SPI_Transmit4Wire(bufferOut, numberOut, bufferIn,
darienf 20:6d2af70c92ab 120 numberIn, (int)1);
darienf 20:6d2af70c92ab 121
darienf 20:6d2af70c92ab 122 if (success != 0) return -1;
darienf 20:6d2af70c92ab 123 return 0;
darienf 20:6d2af70c92ab 124 }
darienf 20:6d2af70c92ab 125
darienf 20:6d2af70c92ab 126 //******************************************************************************
darienf 20:6d2af70c92ab 127 int8_t S25FS512::reg_write_read_multiple_quad(uint8_t *bufferOut,
darienf 20:6d2af70c92ab 128 uint8_t numberOut,
darienf 20:6d2af70c92ab 129 uint8_t *bufferIn,
darienf 20:6d2af70c92ab 130 uint8_t numberIn) {
darienf 20:6d2af70c92ab 131 int8_t ret;
darienf 20:6d2af70c92ab 132 ret = reg_write_read_multiple_quad_last(bufferOut, numberOut, bufferIn,
darienf 20:6d2af70c92ab 133 numberIn, 1);
darienf 20:6d2af70c92ab 134 return ret;
darienf 20:6d2af70c92ab 135 }
darienf 20:6d2af70c92ab 136
darienf 20:6d2af70c92ab 137 //******************************************************************************
darienf 20:6d2af70c92ab 138 void S25FS512::readID(uint8_t *id) {
darienf 20:6d2af70c92ab 139 uint8_t cmd = 0x9F;
darienf 20:6d2af70c92ab 140 reg_write_read_multiple_quad(&cmd, 1, id, 4);
darienf 20:6d2af70c92ab 141 }
darienf 20:6d2af70c92ab 142
darienf 20:6d2af70c92ab 143 //******************************************************************************
darienf 20:6d2af70c92ab 144 int8_t S25FS512::writeAnyRegister(uint32_t address, uint8_t data) {
darienf 20:6d2af70c92ab 145 uint8_t cmdArray[5];
darienf 20:6d2af70c92ab 146 cmdArray[0] = 0x71;
darienf 20:6d2af70c92ab 147 cmdArray[1] = (address >> 16) & 0xFF;
darienf 20:6d2af70c92ab 148 cmdArray[2] = (address >> 8) & 0xFF;
darienf 20:6d2af70c92ab 149 cmdArray[3] = (address >> 0) & 0xFF;
darienf 20:6d2af70c92ab 150 cmdArray[4] = data;
darienf 20:6d2af70c92ab 151 return reg_write_read_multiple_quad(cmdArray, 5, flashBuffer, 0);
darienf 20:6d2af70c92ab 152 }
darienf 20:6d2af70c92ab 153
darienf 20:6d2af70c92ab 154 int8_t S25FS512::writeAnyRegister4Wire(uint32_t address, uint8_t data) {
darienf 20:6d2af70c92ab 155 uint8_t cmdArray[5];
darienf 20:6d2af70c92ab 156 cmdArray[0] = 0x71;
darienf 20:6d2af70c92ab 157 cmdArray[1] = (address >> 16) & 0xFF;
darienf 20:6d2af70c92ab 158 cmdArray[2] = (address >> 8) & 0xFF;
darienf 20:6d2af70c92ab 159 cmdArray[3] = (address >> 0) & 0xFF;
darienf 20:6d2af70c92ab 160 cmdArray[4] = data;
darienf 20:6d2af70c92ab 161 return reg_write_read_multiple_4Wire(cmdArray, 5, flashBuffer, 5);
darienf 20:6d2af70c92ab 162 }
darienf 20:6d2af70c92ab 163
darienf 20:6d2af70c92ab 164 //******************************************************************************
darienf 20:6d2af70c92ab 165 int8_t S25FS512::writeRegisters(void) {
darienf 20:6d2af70c92ab 166 uint8_t cmdArray[3];
darienf 20:6d2af70c92ab 167 wait_1mS();
darienf 20:6d2af70c92ab 168 cmdArray[0] = 0x01;
darienf 20:6d2af70c92ab 169 cmdArray[1] = 0x00;
darienf 20:6d2af70c92ab 170 cmdArray[2] = 0x02; // set Quad to 1
darienf 20:6d2af70c92ab 171 reg_write_read_multiple_quad(cmdArray, 3, flashBuffer, 0);
darienf 20:6d2af70c92ab 172 return 0;
darienf 20:6d2af70c92ab 173 }
darienf 20:6d2af70c92ab 174
darienf 20:6d2af70c92ab 175 //******************************************************************************
darienf 20:6d2af70c92ab 176 int8_t S25FS512::readAnyRegister(uint32_t address, uint8_t *data,
darienf 20:6d2af70c92ab 177 uint32_t length) {
darienf 20:6d2af70c92ab 178 uint8_t cmdArray[4];
darienf 20:6d2af70c92ab 179 cmdArray[0] = 0x65;
darienf 20:6d2af70c92ab 180 cmdArray[1] = (address >> 16) & 0xFF;
darienf 20:6d2af70c92ab 181 cmdArray[2] = (address >> 8) & 0xFF;
darienf 20:6d2af70c92ab 182 cmdArray[3] = (address >> 0) & 0xFF;
darienf 20:6d2af70c92ab 183 return reg_write_read_multiple_quad(cmdArray, 4, data, length);
darienf 20:6d2af70c92ab 184 }
darienf 20:6d2af70c92ab 185
darienf 20:6d2af70c92ab 186 //******************************************************************************
darienf 20:6d2af70c92ab 187 int8_t S25FS512::bulkErase(void) {
darienf 20:6d2af70c92ab 188 uint8_t cmdArray[1];
darienf 20:6d2af70c92ab 189 cmdArray[0] = 0x60;
darienf 20:6d2af70c92ab 190 return reg_write_read_multiple_quad(cmdArray, 1, flashBuffer, 0);
darienf 20:6d2af70c92ab 191 }
darienf 20:6d2af70c92ab 192
darienf 20:6d2af70c92ab 193 //******************************************************************************
darienf 20:6d2af70c92ab 194 int8_t S25FS512::pageProgram(uint32_t address, uint8_t *buffer) {
darienf 20:6d2af70c92ab 195 uint32_t i;
darienf 20:6d2af70c92ab 196 uint8_t cmdArray[5 + 256];
darienf 20:6d2af70c92ab 197 uint8_t *ptr;
darienf 20:6d2af70c92ab 198
darienf 20:6d2af70c92ab 199 // for (i = 0; i < 256; i++) {
darienf 20:6d2af70c92ab 200 // dataArray[i] = i;
darienf 20:6d2af70c92ab 201 //}
darienf 20:6d2af70c92ab 202 cmdArray[0] = 0x02; // 0x71;
darienf 20:6d2af70c92ab 203 // cmdArray[1] = (address >> 24) & 0xFF;
darienf 20:6d2af70c92ab 204 cmdArray[1] = (address >> 16) & 0xFF;
darienf 20:6d2af70c92ab 205 cmdArray[2] = (address >> 8) & 0xFF;
darienf 20:6d2af70c92ab 206 cmdArray[3] = (address >> 0) & 0xFF;
darienf 20:6d2af70c92ab 207 for (i = 0; i < 256; i++) {
darienf 20:6d2af70c92ab 208 cmdArray[4 + i] = buffer[i];
darienf 20:6d2af70c92ab 209 }
darienf 20:6d2af70c92ab 210 // reg_write_read_multiple_quad(cmdArray,256 + 4,flashBuffer,256 + 4);
darienf 20:6d2af70c92ab 211
darienf 20:6d2af70c92ab 212 ptr = cmdArray;
darienf 20:6d2af70c92ab 213 reg_write_read_multiple_quad_last(ptr, 4 + 64, flashBuffer, 0, 0);
darienf 20:6d2af70c92ab 214 wait_1mS();
darienf 20:6d2af70c92ab 215 ptr += (4 + 64);
darienf 20:6d2af70c92ab 216 reg_write_read_multiple_quad_last(ptr, 64, flashBuffer, 0, 0);
darienf 20:6d2af70c92ab 217 wait_1mS();
darienf 20:6d2af70c92ab 218 ptr += 64;
darienf 20:6d2af70c92ab 219 reg_write_read_multiple_quad_last(ptr, 64, flashBuffer, 0, 0);
darienf 20:6d2af70c92ab 220 wait_1mS();
darienf 20:6d2af70c92ab 221 ptr += 64;
darienf 20:6d2af70c92ab 222 reg_write_read_multiple_quad_last(ptr, 64, flashBuffer, 0, 1);
darienf 20:6d2af70c92ab 223 wait_1mS();
darienf 20:6d2af70c92ab 224 return 0;
darienf 20:6d2af70c92ab 225 }
darienf 20:6d2af70c92ab 226
darienf 20:6d2af70c92ab 227 //******************************************************************************
darienf 20:6d2af70c92ab 228 int8_t S25FS512::quadIoRead_Pages(uint32_t address, uint8_t *buffer,
darienf 20:6d2af70c92ab 229 uint32_t numberOfPages) {
darienf 20:6d2af70c92ab 230 uint8_t cmdArray[5];
darienf 20:6d2af70c92ab 231 uint8_t *ptr;
darienf 20:6d2af70c92ab 232 uint8_t last;
darienf 20:6d2af70c92ab 233 uint32_t i;
darienf 20:6d2af70c92ab 234
darienf 20:6d2af70c92ab 235 cmdArray[0] = 0xEB;
darienf 20:6d2af70c92ab 236 cmdArray[1] = (address >> 16) & 0xFF;
darienf 20:6d2af70c92ab 237 cmdArray[2] = (address >> 8) & 0xFF;
darienf 20:6d2af70c92ab 238 cmdArray[3] = (address >> 0) & 0xFF;
darienf 20:6d2af70c92ab 239 ptr = buffer;
darienf 20:6d2af70c92ab 240 last = 0;
darienf 20:6d2af70c92ab 241 // only send the command
darienf 20:6d2af70c92ab 242 reg_write_read_multiple_quad_last(cmdArray, 4, ptr, 0, 0);
darienf 20:6d2af70c92ab 243 wait_1mS();
darienf 20:6d2af70c92ab 244 reg_write_read_multiple_quad_last(cmdArray, 0, ptr, 5, 0);
darienf 20:6d2af70c92ab 245 wait_1mS();
darienf 20:6d2af70c92ab 246 for (i = 0; i < numberOfPages; i++) {
darienf 20:6d2af70c92ab 247 reg_write_read_multiple_quad_last(cmdArray, 0, ptr, 64, 0);
darienf 20:6d2af70c92ab 248 wait_1mS();
darienf 20:6d2af70c92ab 249 ptr += 64;
darienf 20:6d2af70c92ab 250 reg_write_read_multiple_quad_last(cmdArray, 0, ptr, 64, 0);
darienf 20:6d2af70c92ab 251 wait_1mS();
darienf 20:6d2af70c92ab 252 ptr += 64;
darienf 20:6d2af70c92ab 253 reg_write_read_multiple_quad_last(cmdArray, 0, ptr, 64, 0);
darienf 20:6d2af70c92ab 254 wait_1mS();
darienf 20:6d2af70c92ab 255 ptr += 64;
darienf 20:6d2af70c92ab 256 // check if this is the last page
darienf 20:6d2af70c92ab 257 if ((i + 1) == numberOfPages) {
darienf 20:6d2af70c92ab 258 last = 1;
darienf 20:6d2af70c92ab 259 }
darienf 20:6d2af70c92ab 260 reg_write_read_multiple_quad_last(cmdArray, 0, ptr, 64, last);
darienf 20:6d2af70c92ab 261 wait_1mS();
darienf 20:6d2af70c92ab 262 ptr += 64;
darienf 20:6d2af70c92ab 263 }
darienf 20:6d2af70c92ab 264 return 0;
darienf 20:6d2af70c92ab 265 }
darienf 20:6d2af70c92ab 266
darienf 20:6d2af70c92ab 267 //******************************************************************************
darienf 20:6d2af70c92ab 268 int8_t S25FS512::checkBusy(void) {
darienf 20:6d2af70c92ab 269 uint8_t cmdArray[5];
darienf 20:6d2af70c92ab 270 cmdArray[0] = 0x05;
darienf 20:6d2af70c92ab 271 reg_write_read_multiple_quad(cmdArray, 1, flashBuffer, 2);
darienf 20:6d2af70c92ab 272 return flashBuffer[1] & 0x1;
darienf 20:6d2af70c92ab 273 }
darienf 20:6d2af70c92ab 274
darienf 20:6d2af70c92ab 275 //******************************************************************************
darienf 20:6d2af70c92ab 276 void S25FS512::waitTillNotBusy(void) {
darienf 20:6d2af70c92ab 277 while (checkBusy() == 1) {
darienf 20:6d2af70c92ab 278 }
darienf 20:6d2af70c92ab 279 }
darienf 20:6d2af70c92ab 280
darienf 20:6d2af70c92ab 281 //******************************************************************************
darienf 20:6d2af70c92ab 282 int8_t S25FS512::sectorErase(uint32_t address) {
darienf 20:6d2af70c92ab 283 uint8_t cmdArray[5];
darienf 20:6d2af70c92ab 284 cmdArray[0] = 0xD8;
darienf 20:6d2af70c92ab 285 cmdArray[1] = (address >> 16) & 0xFF;
darienf 20:6d2af70c92ab 286 cmdArray[2] = (address >> 8) & 0xFF;
darienf 20:6d2af70c92ab 287 cmdArray[3] = (address >> 0) & 0xFF;
darienf 20:6d2af70c92ab 288 return reg_write_read_multiple_quad(cmdArray, 4, flashBuffer, 0);
darienf 20:6d2af70c92ab 289 }
darienf 20:6d2af70c92ab 290
darienf 20:6d2af70c92ab 291 //******************************************************************************
darienf 20:6d2af70c92ab 292 int8_t S25FS512::parameterSectorErase(uint32_t address) {
darienf 20:6d2af70c92ab 293 uint8_t cmdArray[5];
darienf 20:6d2af70c92ab 294 cmdArray[0] = 0x20;
darienf 20:6d2af70c92ab 295 cmdArray[1] = (address >> 16) & 0xFF;
darienf 20:6d2af70c92ab 296 cmdArray[2] = (address >> 8) & 0xFF;
darienf 20:6d2af70c92ab 297 cmdArray[3] = (address >> 0) & 0xFF;
darienf 20:6d2af70c92ab 298 reg_write_read_multiple_quad(cmdArray, 4, flashBuffer, 0);
darienf 20:6d2af70c92ab 299 return 0;
darienf 20:6d2af70c92ab 300 }
darienf 20:6d2af70c92ab 301
darienf 20:6d2af70c92ab 302 #define ONE_MS (32768 / 500)
darienf 20:6d2af70c92ab 303 #define ONEHUNDRED_US (32768 / 1000)
darienf 20:6d2af70c92ab 304 #define TEM_MS (32768 / 50)
darienf 20:6d2af70c92ab 305
darienf 20:6d2af70c92ab 306 //******************************************************************************
darienf 20:6d2af70c92ab 307 void S25FS512::wait_1mS(void) {
darienf 20:6d2af70c92ab 308 wait_ms(1);
darienf 20:6d2af70c92ab 309 }
darienf 20:6d2af70c92ab 310
darienf 20:6d2af70c92ab 311 //******************************************************************************
darienf 20:6d2af70c92ab 312 void S25FS512::wait_100uS(void) {
darienf 20:6d2af70c92ab 313 wait_us(100);
darienf 20:6d2af70c92ab 314 }
darienf 20:6d2af70c92ab 315
darienf 20:6d2af70c92ab 316 //******************************************************************************
darienf 20:6d2af70c92ab 317 void S25FS512::wait_10mS(void) {
darienf 20:6d2af70c92ab 318 wait_ms(10);
darienf 20:6d2af70c92ab 319 }
darienf 20:6d2af70c92ab 320
darienf 20:6d2af70c92ab 321 //******************************************************************************
darienf 20:6d2af70c92ab 322 int8_t S25FS512::readIdentification(uint8_t *dataArray, uint8_t length) {
darienf 20:6d2af70c92ab 323 // 4QIOR = 0x9F
darienf 20:6d2af70c92ab 324 uint8_t cmdArray[1];
darienf 20:6d2af70c92ab 325 cmdArray[0] = 0x9F; // read ID command
darienf 20:6d2af70c92ab 326 return reg_write_read_multiple_quad(cmdArray, 1, dataArray, length);
darienf 20:6d2af70c92ab 327 }
darienf 20:6d2af70c92ab 328
darienf 20:6d2af70c92ab 329 //******************************************************************************
darienf 20:6d2af70c92ab 330 uint8_t S25FS512::reset(void) {
darienf 20:6d2af70c92ab 331 uint8_t cmdArray[8];
darienf 20:6d2af70c92ab 332 wait_1mS();
darienf 20:6d2af70c92ab 333 cmdArray[0] = 0x66;
darienf 20:6d2af70c92ab 334 reg_write_read_multiple_quad(cmdArray, 1, flashBuffer, 0);
darienf 20:6d2af70c92ab 335 wait_1mS();
darienf 20:6d2af70c92ab 336 cmdArray[0] = 0x99;
darienf 20:6d2af70c92ab 337 reg_write_read_multiple_quad(cmdArray, 1, flashBuffer, 0);
darienf 20:6d2af70c92ab 338 return 0;
darienf 20:6d2af70c92ab 339 }
darienf 20:6d2af70c92ab 340
darienf 20:6d2af70c92ab 341 //******************************************************************************
darienf 20:6d2af70c92ab 342 uint8_t S25FS512::enableHWReset(void) {
darienf 20:6d2af70c92ab 343 uint8_t data[8];
darienf 20:6d2af70c92ab 344 wait_1mS();
darienf 20:6d2af70c92ab 345 // CR2V Configuration Register-2 Volatile
darienf 20:6d2af70c92ab 346 // bit 5
darienf 20:6d2af70c92ab 347 readAnyRegister(0x00800003, data, 8);
darienf 20:6d2af70c92ab 348 writeAnyRegister(0x00800003, 0x64);
darienf 20:6d2af70c92ab 349 return 0;
darienf 20:6d2af70c92ab 350 }
darienf 20:6d2af70c92ab 351
darienf 20:6d2af70c92ab 352 //******************************************************************************
darienf 20:6d2af70c92ab 353 uint8_t S25FS512::detect(void) {
darienf 20:6d2af70c92ab 354 uint8_t array[8];
darienf 20:6d2af70c92ab 355 uint8_t array2[8];
darienf 20:6d2af70c92ab 356
darienf 20:6d2af70c92ab 357 // Send WREN
darienf 20:6d2af70c92ab 358 wren();
darienf 20:6d2af70c92ab 359 // Send WREN
darienf 20:6d2af70c92ab 360 wren();
darienf 20:6d2af70c92ab 361 // delay
darienf 20:6d2af70c92ab 362 wait_1mS();
darienf 20:6d2af70c92ab 363 // Send WREN
darienf 20:6d2af70c92ab 364 wren();
darienf 20:6d2af70c92ab 365 // delay
darienf 20:6d2af70c92ab 366 wait_1mS();
darienf 20:6d2af70c92ab 367
darienf 20:6d2af70c92ab 368 // Send write any register cmd
darienf 20:6d2af70c92ab 369 writeAnyRegister(0x0003, 0x48);
darienf 20:6d2af70c92ab 370 // delay
darienf 20:6d2af70c92ab 371 wait_1mS();
darienf 20:6d2af70c92ab 372 array[0] = 0x9F; // read ID command
darienf 20:6d2af70c92ab 373 reg_write_read_multiple_quad(array, 1, array2, 7);
darienf 20:6d2af70c92ab 374 return 0;
darienf 20:6d2af70c92ab 375 }
darienf 20:6d2af70c92ab 376
darienf 20:6d2af70c92ab 377 //******************************************************************************
darienf 20:6d2af70c92ab 378 int S25FS512::setQuadMode(void) {
darienf 20:6d2af70c92ab 379 wait_1mS();
darienf 20:6d2af70c92ab 380 wren4Wire();
darienf 20:6d2af70c92ab 381 wait_1mS();
darienf 20:6d2af70c92ab 382 writeAnyRegister4Wire(0x800002, 0x02); // set Quad = 1
darienf 20:6d2af70c92ab 383 wait_1mS();
darienf 20:6d2af70c92ab 384 wren4Wire();
darienf 20:6d2af70c92ab 385 wait_1mS();
darienf 20:6d2af70c92ab 386 writeAnyRegister4Wire(0x800003, 0x48); // set 8 latency, set QPI 4-4-4
darienf 20:6d2af70c92ab 387 }
darienf 20:6d2af70c92ab 388
darienf 20:6d2af70c92ab 389 //******************************************************************************
darienf 20:6d2af70c92ab 390 uint32_t S25FS512::isPageEmpty(uint8_t *ptr) {
darienf 20:6d2af70c92ab 391 int i;
darienf 20:6d2af70c92ab 392 for (i = 0; i < 256; i++) {
darienf 20:6d2af70c92ab 393 if (ptr[i] != 0xFF)
darienf 20:6d2af70c92ab 394 return 0;
darienf 20:6d2af70c92ab 395 }
darienf 20:6d2af70c92ab 396 return 1;
darienf 20:6d2af70c92ab 397 }
darienf 20:6d2af70c92ab 398
darienf 20:6d2af70c92ab 399 //******************************************************************************
darienf 20:6d2af70c92ab 400 int8_t S25FS512::parameterSectorErase_Helper(uint32_t address) {
darienf 20:6d2af70c92ab 401 waitTillNotBusy();
darienf 20:6d2af70c92ab 402 wait_100uS();
darienf 20:6d2af70c92ab 403 wren();
darienf 20:6d2af70c92ab 404 wait_100uS();
darienf 20:6d2af70c92ab 405 parameterSectorErase(address);
darienf 20:6d2af70c92ab 406 wait_100uS();
darienf 20:6d2af70c92ab 407 waitTillNotBusy();
darienf 20:6d2af70c92ab 408 wait_100uS();
darienf 20:6d2af70c92ab 409 return 0;
darienf 20:6d2af70c92ab 410 }
darienf 20:6d2af70c92ab 411
darienf 20:6d2af70c92ab 412 //******************************************************************************
darienf 20:6d2af70c92ab 413 int8_t S25FS512::sectorErase_Helper(uint32_t address) {
darienf 20:6d2af70c92ab 414 waitTillNotBusy();
darienf 20:6d2af70c92ab 415 wait_100uS();
darienf 20:6d2af70c92ab 416 wren();
darienf 20:6d2af70c92ab 417 wait_100uS();
darienf 20:6d2af70c92ab 418 if (address < 0x8000) {
darienf 20:6d2af70c92ab 419 parameterSectorErase(address);
darienf 20:6d2af70c92ab 420 } else {
darienf 20:6d2af70c92ab 421 sectorErase(address);
darienf 20:6d2af70c92ab 422 }
darienf 20:6d2af70c92ab 423 wait_100uS();
darienf 20:6d2af70c92ab 424 waitTillNotBusy();
darienf 20:6d2af70c92ab 425 wait_100uS();
darienf 20:6d2af70c92ab 426 return 0;
darienf 20:6d2af70c92ab 427 }
darienf 20:6d2af70c92ab 428
darienf 20:6d2af70c92ab 429 //******************************************************************************
darienf 20:6d2af70c92ab 430 int8_t S25FS512::bulkErase_Helper(void) {
darienf 20:6d2af70c92ab 431 waitTillNotBusy();
darienf 20:6d2af70c92ab 432 wait_100uS();
darienf 20:6d2af70c92ab 433 wren();
darienf 20:6d2af70c92ab 434 wait_100uS();
darienf 20:6d2af70c92ab 435 bulkErase();
darienf 20:6d2af70c92ab 436 wait_100uS();
darienf 20:6d2af70c92ab 437 waitTillNotBusy();
darienf 20:6d2af70c92ab 438 wait_100uS();
darienf 20:6d2af70c92ab 439 return 0;
darienf 20:6d2af70c92ab 440 }
darienf 20:6d2af70c92ab 441
darienf 20:6d2af70c92ab 442 //******************************************************************************
darienf 20:6d2af70c92ab 443 // write a page worth of data (256 bytes) from buffer, offset defined where in
darienf 20:6d2af70c92ab 444 // the buffer to begin write
darienf 20:6d2af70c92ab 445 int8_t S25FS512::writePage_Helper(uint32_t pageNumber, uint8_t *buffer,
darienf 20:6d2af70c92ab 446 uint32_t offset) {
darienf 20:6d2af70c92ab 447 uint8_t *ptr;
darienf 20:6d2af70c92ab 448 waitTillNotBusy();
darienf 20:6d2af70c92ab 449 wait_1mS();
darienf 20:6d2af70c92ab 450 wren();
darienf 20:6d2af70c92ab 451 ptr = &buffer[offset];
darienf 20:6d2af70c92ab 452 wait_1mS();
darienf 20:6d2af70c92ab 453 pageProgram(pageNumber << 8, ptr);
darienf 20:6d2af70c92ab 454 wait_1mS();
darienf 20:6d2af70c92ab 455 return 0;
darienf 20:6d2af70c92ab 456 }
darienf 20:6d2af70c92ab 457
darienf 20:6d2af70c92ab 458 //******************************************************************************
darienf 20:6d2af70c92ab 459 // read pages from flash into buffer, offset defined where in the buffer use
darienf 20:6d2af70c92ab 460 int8_t S25FS512::readPages_Helper(uint32_t startPageNumber,
darienf 20:6d2af70c92ab 461 uint32_t endPageNumber, uint8_t *buffer,
darienf 20:6d2af70c92ab 462 uint32_t offset) {
darienf 20:6d2af70c92ab 463 uint8_t *ptr;
darienf 20:6d2af70c92ab 464 uint32_t page;
darienf 20:6d2af70c92ab 465 ptr = &buffer[offset];
darienf 20:6d2af70c92ab 466 for (page = startPageNumber; page <= endPageNumber; page++) {
darienf 20:6d2af70c92ab 467 wait_100uS();
darienf 20:6d2af70c92ab 468 quadIoRead_Pages((uint32_t)(page << 8), (uint8_t *)ptr, 1);
darienf 20:6d2af70c92ab 469 ptr += 0x100;
darienf 20:6d2af70c92ab 470 }
darienf 20:6d2af70c92ab 471 return 0;
darienf 20:6d2af70c92ab 472 }