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#include <stm32l476xx.h>
#include <clock.h>
#include <heap.h>
#include <task.h>
#include <gpio.h>
#include <lcd.h>
#include <display.h>
#include <initrd.h>
#include <serial.h>
#include <parser.h>
#include <stack.h>
#include <stdlib.h>
#include <string.h>
void kmain(void);
void task_interpreter(void);
int main(void)
{
asm("cpsid i");
// prepare flash latency for 40MHz operation
FLASH->ACR &= ~(FLASH_ACR_LATENCY);
FLASH->ACR |= FLASH_ACR_LATENCY_4WS;
//MPU->CTRL |= MPU_CTRL_ENABLE_Msk | MPU_CTRL_PRIVDEFENA_Msk;
clock_init();
gpio_init();
gpio_mode(GPIOA, 5, OUTPUT);
serial_init();
// enable FPU
SCB->CPACR |= (0xF << 20);
task_init(kmain);
while (1);
}
int script_puts(interpreter *it)
{
char *s = igetarg_string(it, 0);
//lcd_puts(s);
asm("mov r0, %0; svc 2" :: "r" (s));
return 0;
}
int script_delay(interpreter *it)
{
int ms = igetarg_integer(it, 0);
delay(ms);
return 0;
}
void task_interpreter(void)
{
interpreter it;
iinit(&it);
inew_cfunc(&it, "print", script_puts);
inew_cfunc(&it, "delay", script_delay);
char *s = initrd_getfile("init");
if (s == 0)
goto end;
char *linebuf = (char *)malloc(120);
uint32_t i = 0, prev = 0, lc;
uint32_t size = initrd_getfilesize("init");
int ret;
while (i < size) {
for (; s[i] != '\n' && s[i] != '\0'; i++);
lc = i - prev;
if (lc == 0) {
prev = ++i;
continue;
}
strncpy(linebuf, s + prev, lc + 1);
linebuf[lc] = '\0';
ret = idoline(&it, linebuf);
if (ret < 0)
break;
prev = ++i;
}
if (ret < 0) {
lcd_puts("Error: ");
lcd_puts(itoa(ret, linebuf, 10));
}
free(linebuf);
//iend(&it); // nah
end:
while (1)
delay(10);
}
void kmain(void)
{
asm("cpsie i");
dsp_init();
//uint16_t c = 0x38;
uint16_t c = 0;
for (int i = 0; i < LCD_HEIGHT; i++) {
dsp_set_addr(0, i, LCD_WIDTH - 1, i);
int w = LCD_WIDTH - 1;
do {
dsp_write_data(c);//c >> 8);
dsp_write_data(c);//c & 0xFF);
} while (w--);
}
extern void dsp_puts(const char *);
dsp_puts("Hello, world! My name is Clyne.");
//task_start(lcd_handler, 128);
//delay(200);
//task_start(task_interpreter, 4096);
//char *s = initrd_getfile("test.txt");
while (1) {
gpio_dout(GPIOA, 5, 1);
delay(500);
gpio_dout(GPIOA, 5, 0);
delay(500);
}
}
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