InfiniTime.git

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138

#include "SpiNorFlash.h"
#include <hal/nrf_gpio.h>
#include <libraries/delay/nrf_delay.h>
#include <libraries/log/nrf_log.h>
#include "Spi.h"

using namespace Pinetime::Drivers;

SpiNorFlash::SpiNorFlash(Spi& spi) : spi{spi} {

}

void SpiNorFlash::Init() {
  device_id = ReadIdentificaion();
  NRF_LOG_INFO("[SpiNorFlash] Manufacturer : %d, Memory type : %d, memory density : %d", device_id.manufacturer, device_id.type, device_id.density);
}

void SpiNorFlash::Uninit() {

}

void SpiNorFlash::Sleep() {
  auto cmd = static_cast<uint8_t>(Commands::DeepPowerDown);
  spi.Write(&cmd, sizeof(uint8_t));
  NRF_LOG_INFO("[SpiNorFlash] Sleep")
}

void SpiNorFlash::Wakeup() {
  // send Commands::ReleaseFromDeepPowerDown then 3 dummy bytes before reading Device ID
  static constexpr uint8_t cmdSize = 4;
  uint8_t cmd[cmdSize] = {static_cast<uint8_t>(Commands::ReleaseFromDeepPowerDown), 0x01, 0x02, 0x03};
  uint8_t id = 0;
  spi.Read(reinterpret_cast<uint8_t *>(&cmd), cmdSize, &id, 1);
  auto devId =   device_id = ReadIdentificaion();
  if(devId.type != device_id.type) {
    NRF_LOG_INFO("[SpiNorFlash] ID on Wakeup: Failed");
  }
  else {
    NRF_LOG_INFO("[SpiNorFlash] ID on Wakeup: %d", id);
  }
  NRF_LOG_INFO("[SpiNorFlash] Wakeup")
}

SpiNorFlash::Identification SpiNorFlash::ReadIdentificaion() {
  auto cmd = static_cast<uint8_t>(Commands::ReadIdentification);
  Identification identification;
  spi.Read(&cmd, 1, reinterpret_cast<uint8_t *>(&identification), sizeof(Identification));
  return identification;
}

uint8_t SpiNorFlash::ReadStatusRegister() {
  auto cmd = static_cast<uint8_t>(Commands::ReadStatusRegister);
  uint8_t status;
  spi.Read(&cmd, sizeof(cmd), &status, sizeof(uint8_t));
  return status;
}

bool SpiNorFlash::WriteInProgress() {
  return (ReadStatusRegister() & 0x01u) == 0x01u;
}

bool SpiNorFlash::WriteEnabled() {
  return (ReadStatusRegister() & 0x02u) == 0x02u;
}

uint8_t SpiNorFlash::ReadConfigurationRegister() {
  auto cmd = static_cast<uint8_t>(Commands::ReadConfigurationRegister);
  uint8_t status;
  spi.Read(&cmd, sizeof(cmd), &status, sizeof(uint8_t));
  return status;
}

void SpiNorFlash::Read(uint32_t address, uint8_t *buffer, size_t size) {
  static constexpr uint8_t cmdSize = 4;
  uint8_t cmd[cmdSize] = { static_cast<uint8_t>(Commands::Read), (uint8_t)(address >> 16U), (uint8_t)(address >> 8U),
                     (uint8_t)address };
  spi.Read(reinterpret_cast<uint8_t *>(&cmd), cmdSize, buffer, size);
}

void SpiNorFlash::WriteEnable() {
  auto cmd = static_cast<uint8_t>(Commands::WriteEnable);
  spi.Read(&cmd, sizeof(cmd), nullptr, 0);
}

void SpiNorFlash::SectorErase(uint32_t sectorAddress) {
  static constexpr uint8_t cmdSize = 4;
  uint8_t cmd[cmdSize] = { static_cast<uint8_t>(Commands::SectorErase), (uint8_t)(sectorAddress >> 16U), (uint8_t)(sectorAddress >> 8U),
                           (uint8_t)sectorAddress };

  WriteEnable();
  while(!WriteEnabled()) vTaskDelay(1);

  spi.Read(reinterpret_cast<uint8_t *>(&cmd), cmdSize, nullptr, 0);

  while(WriteInProgress()) vTaskDelay(1);
}

uint8_t SpiNorFlash::ReadSecurityRegister() {
  auto cmd = static_cast<uint8_t>(Commands::ReadSecurityRegister);
  uint8_t status;
  spi.Read(&cmd, sizeof(cmd), &status, sizeof(uint8_t));
  return status;
}

bool SpiNorFlash::ProgramFailed() {
  return (ReadSecurityRegister() & 0x20u) == 0x20u;
}

bool SpiNorFlash::EraseFailed() {
  return (ReadSecurityRegister() & 0x40u) == 0x40u;
}

void SpiNorFlash::Write(uint32_t address, const uint8_t *buffer, size_t size) {
  static constexpr uint8_t cmdSize = 4;

  size_t len = size;
  uint32_t addr = address;
  const uint8_t* b = buffer;
  while(len > 0) {
    uint32_t pageLimit = (addr & ~(pageSize - 1u)) + pageSize;
    uint32_t toWrite = pageLimit - addr > len ? len :  pageLimit - addr;

    uint8_t cmd[cmdSize] = { static_cast<uint8_t>(Commands::PageProgram), (uint8_t)(addr >> 16U), (uint8_t)(addr >> 8U),
                             (uint8_t)addr };

    WriteEnable();
    while(!WriteEnabled()) vTaskDelay(1);

    spi.WriteCmdAndBuffer(cmd, cmdSize, b, toWrite);

    while(WriteInProgress()) vTaskDelay(1);

    addr += toWrite;
    b += toWrite;
    len -= toWrite;
  }

}