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#include "CH58x_common.h"
#include "CH58x_sys.h"
#include "leddrv.h"
#include "button.h"
#include "fb.h"
#define FB_WIDTH (LED_COLS * 4)
#define SCROLL_IRATIO (16)
#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)
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 mode, brightness;
__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 fb_transition()
{
fblist_gonext();
}
void draw_testfb()
{
fb_t *curr_fb = fblist_currentfb();
curr_fb->modes = LEFT;
for (int i=0; i<8; i++) {
draw2fb(curr_fb->buf, i, 8 * (i + 4));
}
fb_t *fb_next = fb_new(8*12);
fblist_append(fb_next);
fb_next->modes = LEFT;
for (int i=4; i<12; i++) {
draw2fb(fb_next->buf, i % 8, 8 * (i + 1));
}
}
void poweroff()
{
// Stop wasting energy
GPIOA_ModeCfg(GPIO_Pin_All, GPIO_ModeIN_Floating);
GPIOB_ModeCfg(GPIO_Pin_All, GPIO_ModeIN_Floating);
// Configure wake-up
GPIOA_ModeCfg(KEY1_PIN, GPIO_ModeIN_PD);
GPIOA_ITModeCfg(KEY1_PIN, GPIO_ITMode_RiseEdge);
PFIC_EnableIRQ(GPIO_A_IRQn);
PWR_PeriphWakeUpCfg(ENABLE, RB_SLP_GPIO_WAKE, Long_Delay);
/* Good bye */
LowPower_Shutdown(0);
}
void handle_mode_transition()
{
static int prev_mode;
if (prev_mode == mode) return;
switch (mode)
{
case DOWNLOAD:
// Disable fb transition while in download mode
btn_onOnePress(KEY2, NULL);
// Take control of the current fb to display
// the Bluetooth animation
while (mode == DOWNLOAD) {
/* Animation and Bluetooth will be placed here */
}
// If not being flashed, pressing KEY1 again will
// make the badge goes off:
// fallthrough
case POWER_OFF:
poweroff();
break;
default:
break;
}
prev_mode = mode;
}
int main()
{
SetSysClock(CLK_SOURCE_PLL_60MHz);
led_init();
TMR0_TimerInit(SCAN_T / 2);
TMR0_ITCfg(ENABLE, TMR0_3_IT_CYC_END);
PFIC_EnableIRQ(TMR0_IRQn);
fblist_init(FB_WIDTH);
draw_testfb();
btn_init();
btn_onOnePress(KEY1, change_mode);
btn_onOnePress(KEY2, fb_transition);
btn_onLongPress(KEY1, change_brightness);
while (1) {
uint32_t i = 0;
while (isPressed(KEY2)) {
i++;
if (i>10) {
asm volatile("j 0x00");
}
DelayMs(200);
}
handle_mode_transition();
}
}
__INTERRUPT
__HIGH_CODE
void TMR0_IRQHandler(void)
{
static int i;
if (TMR0_GetITFlag(TMR0_3_IT_CYC_END)) {
fb_t *fb = fblist_currentfb();
i += 1;
if (i >= LED_COLS) {
i = 0;
if ((fb->modes & 0x0f) == LEFT) {
fb->scroll++;
if (fb->scroll >= (fb->width-LED_COLS)*SCROLL_IRATIO) {
fb->scroll = 0;
}
}
}
if (i % 2) {
if ((brightness + 1) % 2)
leds_releaseall();
} else {
if (i + fb->scroll/SCROLL_IRATIO >= fb->width) {
leds_releaseall();
return;
}
led_write2dcol(i/2,
fb->buf[i+ fb->scroll/SCROLL_IRATIO],
fb->buf[i+ fb->scroll/SCROLL_IRATIO + 1]);
}
TMR0_ClearITFlag(TMR0_3_IT_CYC_END);
}
}
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