| 158 | } |
| 159 | } |
| 160 | static uint8_t flash_read_command(bool peek) { |
| 161 | (void)peek; |
| 162 | switch (flash.command[0xF]) { |
| 163 | case 0x05: // Read Status Register-1 |
| 164 | return flash.commandStatus[1]; |
| 165 | case 0x35: // Read Status Register-2 |
| 166 | return flash.commandStatus[2]; |
| 167 | case 0x15: // Read Status Register-3 |
| 168 | return flash.commandStatus[3]; |
| 169 | case 0xAB: // Release Power-down / Device ID |
| 170 | flash.commandAddress = 1; |
| 171 | // fallthrough |
| 172 | case 0x90: // Read Manufacturer / Device ID |
| 173 | case 0x92: // Read Manufacturer / Device ID Dual I/O |
| 174 | case 0x94: // Read Manufacturer / Device ID Quad I/O |
| 175 | return 0xEF15 >> (~flash.commandAddress++ & 1) * 8; |
| 176 | case 0x4B: // Read Unique ID Number |
| 177 | return flash.uniqueID >> (~flash.commandAddress++ & 7) * 8; |
| 178 | case 0x9F: // Read JEDEC ID |
| 179 | if (flash.commandAddress >= 3) { |
| 180 | flash.commandAddress = 0; |
| 181 | } |
| 182 | return 0xEF4016 >> (2 - flash.commandAddress++) * 8; |
| 183 | } |
| 184 | return 0; |
| 185 | } |
| 186 | static void flash_write_command(uint8_t byte) { |
| 187 | switch (flash.command[0xF]) { |
| 188 | case 0x32: // Quad Input Page Program |