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suzukiplan / micro-msx2p

MSX2+ emulator specialized for embedded use
MIT License
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disable PSRAM #23

Closed suzukiplan closed 1 year ago

suzukiplan commented 1 year ago

CORE_DEBUG_LEVEL を設定してブートログを確認したところ psramInit(): PSRAM enabled が実行されていた。

rst:0x1 (POWERON_RESET),boot:0x17 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:2
load:0x3fff0030,len:1184
load:0x40078000,len:13192
load:0x40080400,len:3028
entry 0x400805e4
[    10][D][esp32-hal-cpu.c:244] setCpuFrequencyMhz(): PLL: 480 / 2 = 240 Mhz, APB: 80000000 Hz
[   459][I][esp32-hal-psram.c:96] psramInit(): PSRAM enabled
M5Core2 initializing...[   527][I][esp32-hal-i2c.c:75] i2cInit(): Initialising I2C Master: sda=21 scl=22 freq=100000

現状の RAM usage は 79940 bytes なので PSRAM を OFF にしても動ける筈。

Advanced Memory Usage is available via "PlatformIO Home > Project Inspect"
RAM:   [          ]   1.8% (used 79940 bytes from 4521984 bytes)
Flash: [=         ]  11.4% (used 745613 bytes from 6553600 bytes)
Building .pio/build/m5stack-core2/firmware.bin
suzukiplan commented 1 year ago

9925b7e 後のブートログからは無事 psramInit(): PSRAM enabled が消えた。

rst:0x1 (POWERON_RESET),boot:0x17 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:2
load:0x3fff0030,len:1184
load:0x40078000,len:13192
load:0x40080400,len:3028
entry 0x400805e4
[    10][D][esp32-hal-cpu.c:244] setCpuFrequencyMhz(): PLL: 480 / 2 = 240 Mhz, APB: 80000000 Hz
M5Core2 initializing...[    81][I][esp32-hal-i2c.c:75] i2cInit(): Initialising I2C Master: sda=21 scl=22 freq=100000