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picocalc_helloworld add psram code

This commit is contained in:
cuu 2025-03-28 00:01:51 +08:00
parent 72d74b4a7c
commit 195a1c2ddd
4 changed files with 185 additions and 2 deletions
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3
.gitmodules vendored Normal file
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@ -0,0 +1,3 @@
[submodule "Code/picocalc_helloworld/rp2040-psram"]
path = Code/picocalc_helloworld/rp2040-psram
url = https://github.com/polpo/rp2040-psram.git

15
Code/picocalc_helloworld/CMakeLists.txt
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@ -15,10 +15,23 @@ include_directories(
add_subdirectory(i2ckbd)
add_subdirectory(lcdspi)
add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/rp2040-psram rp2040-psram)
add_executable(picocalc_helloworld
main.c
)
##picocalc spi0
target_compile_definitions(picocalc_helloworld PRIVATE
PSRAM_MUTEX=1
#PSRAM_SPINLOCK=0
PSRAM_ASYNC=0
PSRAM_PIN_CS=20
PSRAM_PIN_SCK=21
PSRAM_PIN_MOSI=2
PSRAM_PIN_MISO=3
)
target_link_libraries(picocalc_helloworld
pico_stdlib
hardware_flash
@ -33,7 +46,7 @@ target_link_libraries(picocalc_helloworld
pico_multicore
i2ckbd
lcdspi
rp2040-psram
)
pico_enable_stdio_usb(picocalc_helloworld 0)

168
Code/picocalc_helloworld/main.c
View File

@ -9,8 +9,170 @@
#include "i2ckbd.h"
#include "lcdspi.h"
#include "psram_spi.h"
const uint LEDPIN = 25;
psram_spi_inst_t* async_spi_inst;
int psram_test(psram_spi_inst_t*psram_spi){
uint32_t psram_begin, psram_elapsed;
float psram_speed;
char buf[128];
sprintf(buf,"Testing PSRAM...\n");
printf("%s",buf);
lcd_print_string(buf);
// **************** 8 bits testing ****************
psram_begin = time_us_32();
for (uint32_t addr = 0; addr < (8 * 1024 * 1024); ++addr) {
psram_write8(psram_spi, addr, (addr & 0xFF));
}
psram_elapsed = time_us_32() - psram_begin;
psram_speed = 1000000.0 * 8 * 1024.0 * 1024 / psram_elapsed;
sprintf(buf,"8 bit: PSRAM write 8MB in %d us, %d B/s\n", psram_elapsed, (uint32_t)psram_speed);
printf("%s", buf);
lcd_print_string(buf);
psram_begin = time_us_32();
for (uint32_t addr = 0; addr < (8 * 1024 * 1024); ++addr) {
psram_write8_async(psram_spi, addr, (addr & 0xFF));
}
psram_elapsed = time_us_32() - psram_begin;
psram_speed = 1000000.0 * 8 * 1024.0 * 1024 / psram_elapsed;
sprintf(buf,"8 bit: PSRAM write async 8MB in %d us, %d B/s\n", psram_elapsed, (uint32_t)psram_speed);
printf("%s", buf);
lcd_print_string(buf);
psram_begin = time_us_32();
for (uint32_t addr = 0; addr < (8 * 1024 * 1024); ++addr) {
uint8_t result = psram_read8(psram_spi, addr);
if ((uint8_t)(addr & 0xFF) != result) {
sprintf(buf,"\nPSRAM failure at address %x (%x != %x)\n", addr, addr & 0xFF, result);
printf("%s", buf);
lcd_print_string(buf);
return 1;
}
}
psram_elapsed = time_us_32() - psram_begin;
psram_speed = 1000000.0 * 8 * 1024.0 * 1024 / psram_elapsed;
sprintf(buf,"8 bit: PSRAM read 8MB in %d us, %d B/s\n", psram_elapsed, (uint32_t)psram_speed);
printf("%s", buf);
lcd_print_string(buf);
// **************** 16 bits testing ****************
psram_begin = time_us_32();
for (uint32_t addr = 0; addr < (8 * 1024 * 1024); addr += 2) {
psram_write16(psram_spi, addr, (((addr + 1) & 0xFF) << 8) | (addr & 0xFF));
}
psram_elapsed = time_us_32() - psram_begin;
psram_speed = 1000000.0 * 8 * 1024.0 * 1024 / psram_elapsed;
sprintf(buf,"16 bit: PSRAM write 8MB in %d us, %d B/s\n", psram_elapsed, (uint32_t)psram_speed);
printf("%s", buf);
lcd_print_string(buf);
psram_begin = time_us_32();
for (uint32_t addr = 0; addr < (8 * 1024 * 1024); addr += 2) {
uint16_t result = psram_read16(psram_spi, addr);
if ((uint16_t)(
(((addr + 1) & 0xFF) << 8) |
(addr & 0xFF)) != result
) {
sprintf(buf,"PSRAM failure at address %x (%x != %x) ", addr, (
(((addr + 1) & 0xFF) << 8) |
(addr & 0xFF)), result
);
printf("%s", buf);
lcd_print_string(buf);
return 1;
}
}
psram_elapsed = (time_us_32() - psram_begin);
psram_speed = 1000000.0 * 8 * 1024 * 1024 / psram_elapsed;
sprintf(buf,"16 bit: PSRAM read 8MB in %d us, %d B/s\n", psram_elapsed, (uint32_t)psram_speed);
printf("%s", buf);
lcd_print_string(buf);
// **************** 32 bits testing ****************
psram_begin = time_us_32();
for (uint32_t addr = 0; addr < (8 * 1024 * 1024); addr += 4) {
psram_write32(
psram_spi, addr,
(uint32_t)(
(((addr + 3) & 0xFF) << 24) |
(((addr + 2) & 0xFF) << 16) |
(((addr + 1) & 0xFF) << 8) |
(addr & 0XFF))
);
}
psram_elapsed = time_us_32() - psram_begin;
psram_speed = 1000000.0 * 8 * 1024.0 * 1024 / psram_elapsed;
sprintf(buf,"32 bit: PSRAM write 8MB in %d us, %d B/s\n", psram_elapsed, (uint32_t)psram_speed);
printf("%s", buf);
lcd_print_string(buf);
psram_begin = time_us_32();
for (uint32_t addr = 0; addr < (8 * 1024 * 1024); addr += 4) {
uint32_t result = psram_read32(psram_spi, addr);
if ((uint32_t)(
(((addr + 3) & 0xFF) << 24) |
(((addr + 2) & 0xFF) << 16) |
(((addr + 1) & 0xFF) << 8) |
(addr & 0XFF)) != result
) {
sprintf(buf,"PSRAM failure at address %x (%x != %x) ", addr, (
(((addr + 3) & 0xFF) << 24) |
(((addr + 2) & 0xFF) << 16) |
(((addr + 1) & 0xFF) << 8) |
(addr & 0XFF)), result
);
printf("%s", buf);
lcd_print_string(buf);
return 1;
}
}
psram_elapsed = (time_us_32() - psram_begin);
psram_speed = 1000000.0 * 8 * 1024 * 1024 / psram_elapsed;
sprintf(buf,"32 bit: PSRAM read 8MB in %d us, %d B/s\n", psram_elapsed, (uint32_t)psram_speed);
printf("%s", buf);
lcd_print_string(buf);
// **************** n bits testing ****************
uint8_t write_data[256];
for (size_t i = 0; i < 256; ++i) {
write_data[i] = i;
}
psram_begin = time_us_32();
for (uint32_t addr = 0; addr < (8 * 1024 * 1024); addr += 256) {
for (uint32_t step = 0; step < 256; step += 16) {
psram_write(psram_spi, addr + step, write_data + step, 16);
}
}
psram_elapsed = time_us_32() - psram_begin;
psram_speed = 1000000.0 * 8 * 1024.0 * 1024 / psram_elapsed;
sprintf(buf,"128 bit: PSRAM write 8MB in %d us, %d B/s\n", psram_elapsed, (uint32_t)psram_speed);
printf("%s", buf);
lcd_print_string(buf);
psram_begin = time_us_32();
uint8_t read_data[16];
for (uint32_t addr = 0; addr < (8 * 1024 * 1024); addr += 256) {
for (uint32_t step = 0; step < 256; step += 16) {
psram_read(psram_spi, addr + step, read_data, 16);
if (memcmp(read_data, write_data + step, 16) != 0) {
sprintf(buf,"PSRAM failure at address %x", addr);
printf("%s", buf);
lcd_print_string(buf);
return 1;
}
}
}
psram_elapsed = time_us_32() - psram_begin;
psram_speed = 1000000.0 * 8 * 1024.0 * 1024 / psram_elapsed;
sprintf(buf,"128 bit: PSRAM read 8MB in %d us, %d B/s\n", psram_elapsed, (uint32_t)psram_speed);
printf("%s", buf);
lcd_print_string(buf);
lcd_print_string("PSRAM testing done\n");
}
int main() {
@ -23,10 +185,14 @@ int main() {
gpio_set_dir(LEDPIN, GPIO_OUT);
lcd_clear();
lcd_print_string("Hello World");
lcd_print_string("Hello World PicoCalc\n");
gpio_put(LEDPIN, 1);
sleep_ms(500);
gpio_put(LEDPIN, 0);
psram_spi_inst_t psram_spi = psram_spi_init_clkdiv(pio1, -1,1.0f,true);
psram_test(&psram_spi);
while (1) {
int c = lcd_getc(0);
if(c != -1 && c > 0) {

1
Code/picocalc_helloworld/rp2040-psram Submodule

@ -0,0 +1 @@
Subproject commit 7786c93ec8d02dbb4f94a2e99645b25fb4abc2db