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#include "CH58x_common.h"
#include "CH58x_sys.h"
#include "leddrv.h"
#include "button.h"
#define FB_WIDTH (LED_COLS * 4)
#define SCROLL_IRATIO (16)
#define FB_NUM_SPARE (8)
#define SCAN_F (2000)
#define SCAN_T (FREQ_SYS / SCAN_F)
#define NEXT_STATE(v, min, max) \
(v)++; \
if ((v) >= (max)) \
(v) = (min)
enum MODES {
NORMAL = 0,
DOWNLOAD,
POWER_OFF,
MODES_COUNT,
};
#define BRIGHTNESS_LEVELS (4)
uint16_t fb[FB_NUM_SPARE][FB_WIDTH];
uint8_t test_font[][11] = {
0x00, 0xFE, 0x66, 0x62, 0x68, 0x78, 0x68, 0x60, 0x60, 0xF0, 0x00, // F
0x00, 0x7C, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0x7C, 0x00, // O
0x00, 0x7C, 0xC6, 0xC6, 0x60, 0x38, 0x0C, 0xC6, 0xC6, 0x7C, 0x00, // S
0x00, 0x7C, 0xC6, 0xC6, 0x60, 0x38, 0x0C, 0xC6, 0xC6, 0x7C, 0x00, // S
0x00, 0x38, 0x6C, 0xC6, 0xC6, 0xFE, 0xC6, 0xC6, 0xC6, 0xC6, 0x00, // A
0x00, 0x7C, 0xC6, 0xC6, 0x60, 0x38, 0x0C, 0xC6, 0xC6, 0x7C, 0x00, // S
0x00, 0x3C, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3C, 0x00, // I
0x00, 0x38, 0x6C, 0xC6, 0xC6, 0xFE, 0xC6, 0xC6, 0xC6, 0xC6, 0x00, // A
};
void draw2fb(uint16_t *fb, int c, int col)
{
uint16_t tmpfb[8] = {0};
for (int i=0; i<8; i++) {
for (int j=0; j<11; j++) {
tmpfb[i] |= ((test_font[c][j] >> (8-i)) & 0x01) << j;
}
}
for (int i=0; i<8; i++) {
fb[col+i] = tmpfb[i];
}
}
volatile int fb_sel, fb_num;
volatile int mode, brightness;
volatile uint64_t tick;
__HIGH_CODE
static void change_brightness()
{
NEXT_STATE(brightness, 0, BRIGHTNESS_LEVELS);
led_setDriveStrength(brightness / 2);
}
__HIGH_CODE
static void change_mode()
{
NEXT_STATE(mode, 0, MODES_COUNT);
}
__HIGH_CODE
static void change_fb()
{
NEXT_STATE(fb_sel, 0, fb_num);
}
int main()
{
SetSysClock(CLK_SOURCE_PLL_60MHz);
led_init();
draw2fb(fb[0], 0, 8*(5-1));
draw2fb(fb[0], 1, 8*(6-1));
draw2fb(fb[0], 2, 8*(7-1));
draw2fb(fb[0], 3, 8*(8-1));
draw2fb(fb[0], 4, 8*(9-1));
draw2fb(fb[0], 5, 8*(10-1));
draw2fb(fb[0], 6, 8*(11-1));
draw2fb(fb[0], 7, 8*(12-1));
draw2fb(fb[1], 4, 8*5);
draw2fb(fb[1], 5, 8*6);
draw2fb(fb[1], 6, 8*7);
draw2fb(fb[1], 7, 8*8);
draw2fb(fb[1], 0, 8*9);
draw2fb(fb[1], 1, 8*10);
draw2fb(fb[1], 2, 8*11);
draw2fb(fb[1], 3, 8*12);
fb_num = 2;
TMR0_TimerInit(SCAN_T / 2);
TMR0_ITCfg(ENABLE, TMR0_3_IT_CYC_END);
PFIC_EnableIRQ(TMR0_IRQn);
btn_init();
btn_onOnePress(KEY1, change_mode);
btn_onOnePress(KEY2, change_fb);
btn_onLongPress(KEY1, change_brightness);
while (1) {
int i = 0;
while (isPressed(KEY2)) {
i++;
if (i>10) {
asm volatile("j 0x00");
}
DelayMs(200);
}
}
}
__INTERRUPT
__HIGH_CODE
void TMR0_IRQHandler(void)
{
static int i, scroll;
if (TMR0_GetITFlag(TMR0_3_IT_CYC_END)) {
i += 1;
if (i >= LED_COLS) {
i = 0;
scroll++;
if (scroll >= (FB_WIDTH-LED_COLS)*SCROLL_IRATIO) {
scroll = 0;
}
}
if (i % 2) {
if ((brightness + 1) % 2)
leds_releaseall();
} else {
led_write2dcol(i/2,
fb[fb_sel][i+scroll/SCROLL_IRATIO],
fb[fb_sel][i+scroll/SCROLL_IRATIO+1]);
}
TMR0_ClearITFlag(TMR0_3_IT_CYC_END);
}
}
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