145 lines
4.3 KiB
C++
145 lines
4.3 KiB
C++
#include "drivers/SpiNorFlash.h"
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#include <hal/nrf_gpio.h>
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#include <libraries/delay/nrf_delay.h>
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#include <libraries/log/nrf_log.h>
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#include "drivers/Spi.h"
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using namespace Pinetime::Drivers;
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SpiNorFlash::SpiNorFlash(Spi& spi) : spi {spi} {
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}
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void SpiNorFlash::Init() {
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device_id = ReadIdentificaion();
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NRF_LOG_INFO(
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"[SpiNorFlash] Manufacturer : %d, Memory type : %d, memory density : %d", device_id.manufacturer, device_id.type, device_id.density);
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}
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void SpiNorFlash::Uninit() {
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}
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void SpiNorFlash::Sleep() {
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auto cmd = static_cast<uint8_t>(Commands::DeepPowerDown);
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spi.Write(&cmd, sizeof(uint8_t));
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NRF_LOG_INFO("[SpiNorFlash] Sleep")
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}
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void SpiNorFlash::Wakeup() {
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// send Commands::ReleaseFromDeepPowerDown then 3 dummy bytes before reading Device ID
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// static constexpr uint8_t cmdSize = 4;
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// uint8_t cmd[cmdSize] = {static_cast<uint8_t>(Commands::ReleaseFromDeepPowerDown), 0x01, 0x02, 0x03};
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// uint8_t id = 0;
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// spi.Read(reinterpret_cast<uint8_t*>(&cmd), cmdSize, &id, 1);
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// auto devId = device_id = ReadIdentificaion();
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// if (devId.type != device_id.type) {
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// NRF_LOG_INFO("[SpiNorFlash] ID on Wakeup: Failed");
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// } else {
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// NRF_LOG_INFO("[SpiNorFlash] ID on Wakeup: %d", id);
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// }
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NRF_LOG_INFO("[SpiNorFlash] Wakeup")
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}
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SpiNorFlash::Identification SpiNorFlash::ReadIdentificaion() {
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// auto cmd = static_cast<uint8_t>(Commands::ReadIdentification);
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// Identification identification;
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// spi.Read(&cmd, 1, reinterpret_cast<uint8_t*>(&identification), sizeof(Identification));
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// return identification;
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return {};
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}
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uint8_t SpiNorFlash::ReadStatusRegister() {
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auto cmd = static_cast<uint8_t>(Commands::ReadStatusRegister);
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uint8_t status;
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spi.Read(&cmd, sizeof(cmd), &status, sizeof(uint8_t));
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return status;
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}
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bool SpiNorFlash::WriteInProgress() {
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// return (ReadStatusRegister() & 0x01u) == 0x01u;
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return false;
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}
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bool SpiNorFlash::WriteEnabled() {
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// return (ReadStatusRegister() & 0x02u) == 0x02u;
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return false;
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}
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uint8_t SpiNorFlash::ReadConfigurationRegister() {
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auto cmd = static_cast<uint8_t>(Commands::ReadConfigurationRegister);
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uint8_t status;
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spi.Read(&cmd, sizeof(cmd), &status, sizeof(uint8_t));
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return status;
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}
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void SpiNorFlash::Read(uint32_t address, uint8_t* buffer, size_t size) {
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static constexpr uint8_t cmdSize = 4;
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uint8_t cmd[cmdSize] = {static_cast<uint8_t>(Commands::Read), (uint8_t) (address >> 16U), (uint8_t) (address >> 8U), (uint8_t) address};
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spi.Read(reinterpret_cast<uint8_t*>(&cmd), cmdSize, buffer, size);
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}
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void SpiNorFlash::WriteEnable() {
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auto cmd = static_cast<uint8_t>(Commands::WriteEnable);
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spi.Read(&cmd, sizeof(cmd), nullptr, 0);
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}
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void SpiNorFlash::SectorErase(uint32_t sectorAddress) {
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// static constexpr uint8_t cmdSize = 4;
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// uint8_t cmd[cmdSize] = {static_cast<uint8_t>(Commands::SectorErase),
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// (uint8_t) (sectorAddress >> 16U),
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// (uint8_t) (sectorAddress >> 8U),
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// (uint8_t) sectorAddress};
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//
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// WriteEnable();
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// while (!WriteEnabled())
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// vTaskDelay(1);
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//
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// spi.Read(reinterpret_cast<uint8_t*>(&cmd), cmdSize, nullptr, 0);
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//
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// while (WriteInProgress())
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// vTaskDelay(1);
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}
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uint8_t SpiNorFlash::ReadSecurityRegister() {
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auto cmd = static_cast<uint8_t>(Commands::ReadSecurityRegister);
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uint8_t status;
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spi.Read(&cmd, sizeof(cmd), &status, sizeof(uint8_t));
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return status;
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}
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bool SpiNorFlash::ProgramFailed() {
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// return (ReadSecurityRegister() & 0x20u) == 0x20u;
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return false;
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}
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bool SpiNorFlash::EraseFailed() {
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// return (ReadSecurityRegister() & 0x40u) == 0x40u;
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return false;
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}
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void SpiNorFlash::Write(uint32_t address, const uint8_t* buffer, size_t size) {
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// static constexpr uint8_t cmdSize = 4;
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//
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// size_t len = size;
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// uint32_t addr = address;
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// const uint8_t* b = buffer;
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// while (len > 0) {
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// uint32_t pageLimit = (addr & ~(pageSize - 1u)) + pageSize;
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// uint32_t toWrite = pageLimit - addr > len ? len : pageLimit - addr;
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//
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// uint8_t cmd[cmdSize] = {static_cast<uint8_t>(Commands::PageProgram), (uint8_t) (addr >> 16U), (uint8_t) (addr >> 8U), (uint8_t) addr};
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//
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// WriteEnable();
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// while (!WriteEnabled())
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// vTaskDelay(1);
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//
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// spi.WriteCmdAndBuffer(cmd, cmdSize, b, toWrite);
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//
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// while (WriteInProgress())
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// vTaskDelay(1);
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//
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// addr += toWrite;
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// b += toWrite;
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// len -= toWrite;
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// }
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}
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