void c42364a_show_numeric_dec(int32_t value)
{
uint8_t lcd_num[5];
Assert(value > -20000);
Assert(value < 20000);
if(value < 0) {
lcdca_set_pixel(C42364A_ICON_MINUS);
} else {
lcdca_clear_pixel(C42364A_ICON_MINUS);
}
value = Abs(value);
if(value > 9999) {
value -= 10000;
lcdca_set_pixel(C42364A_ICON_MINUS_SEG1);
lcdca_set_pixel(C42364A_ICON_MINUS_SEG2);
} else {
lcdca_clear_pixel(C42364A_ICON_MINUS_SEG1);
lcdca_clear_pixel(C42364A_ICON_MINUS_SEG2);
}
sprintf((char*)lcd_num, "%4d", (int)value);
c42364a_write_num_packet((uint8_t const*)&lcd_num);
}
/**
* \brief User Interface LCD Refresh Alphanumeric area.
* \param ui_lcd_refresh boolean to refresh or not Alphanumeric area.
* \param event_qtouch_slider_position set slider position in Alphanumeric area.
*/
void ui_lcd_refresh_alphanum(bool ui_lcd_refresh,
int32_t event_qtouch_slider_position)
{
char string_info[8];
if (ui_lcd_refresh == true ) {
sprintf(string_info, "%d", (int)event_qtouch_slider_position);
if (event_qtouch_slider_position < 100) {
string_info[2] = ' ';
string_info[3] = ' ';
string_info[4] = '\0';
}
// display slider position on segment LCD
c42364a_write_num_packet((uint8_t const*)&string_info);
} else {
// Clear digit area
string_info[0] = ' ';
string_info[1] = ' ';
string_info[2] = ' ';
string_info[3] = ' ';
string_info[4] = '\0';
// display slider position on segment LCD
c42364a_write_num_packet((uint8_t const*)&string_info);
}
}
/**
* \brief Application entry point for LCDCA example.
*
* \return Unused (ANSI-C compatibility).
*/
int main(void)
{
/* LCDCA configuration */
struct lcdca_config lcdca_cfg;
/* Automated display configuration */
struct lcdca_automated_char_config automated_char_cfg;
/* String for sequential display */
uint8_t const sequential_str[] = \
"Sequen tial string display,Press PB0 to Cont. ";
/* String for scrolling display */
uint8_t const scrolling_str[] = \
"Scrolling string display, Press PB0 to cont. ";
/* String for lowpower display */
#define MAX_NUM_LOWPOWER_STR 4
uint8_t const lowpower_str[MAX_NUM_LOWPOWER_STR][7] = {
"In ",
"Power ",
"Save ",
"Mode ",
};
uint32_t str_id = 0;
struct lcdca_blink_config blink_cfg;
struct lcdca_circular_shift_config cs_cfg;
/* Initialize the SAM system */
sysclk_init();
board_init();
sleepmgr_init();
/* Initialize the console uart */
configure_console();
/* Output example information */
printf("-- LCDCA Controller Example --\r\n");
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
/*
* LCDCA Controller initialization
* - Clock,
* - Connect to C42364A glass LCD component,
* - Timing: 64 Hz frame rate & low power waveform, FC0, FC1, FC2
* - Interrupt: off
*/
lcdca_clk_init();
lcdca_cfg.port_mask = PORT_MASK;
lcdca_cfg.x_bias = false;
lcdca_cfg.lp_wave = true;
lcdca_cfg.duty_type = LCD_DUTY;
lcdca_cfg.lcd_pres = false;
lcdca_cfg.lcd_clkdiv = 3;
lcdca_cfg.fc0 = 16;
lcdca_cfg.fc1 = 2;
lcdca_cfg.fc2 = 6;
lcdca_cfg.contrast = LCD_CONTRAST_LEVEL;
lcdca_set_config(&lcdca_cfg);
lcdca_enable();
lcdca_enable_timer(LCDCA_TIMER_FC0);
lcdca_enable_timer(LCDCA_TIMER_FC1);
lcdca_enable_timer(LCDCA_TIMER_FC2);
/* Turn on LCD back light */
ioport_set_pin_level(LCD_BL_GPIO, IOPORT_PIN_LEVEL_HIGH);
/* Display some texts and icon on segment LCD */
lcdca_set_pixel(ICON_ARM);
c42364a_write_num_packet((const uint8_t *)"0123");
c42364a_write_alpha_packet((const uint8_t *)"Welcome");
/* Blink "error" icon */
blink_cfg.lcd_blink_timer = LCDCA_TIMER_FC1;
blink_cfg.lcd_blink_mode = LCDCA_BLINK_SELECTED;
lcdca_blink_set_config(&blink_cfg);
lcdca_set_pixel(ICON_ERROR);
lcdca_set_blink_pixel(ICON_ERROR);
lcdca_blink_enable();
/* Autonomous segment animation of 7-pixels area of the LCD */
cs_cfg.lcd_csr_timer = LCDCA_TIMER_FC1;
cs_cfg.lcd_csr_dir = LCDCA_CSR_RIGHT;
cs_cfg.size = 7; /* Total 7-pixels */
cs_cfg.data = 0x03; /* Display 2 pixel at one time */
lcdca_circular_shift_set_config(&cs_cfg);
lcdca_circular_shift_enable();
/* Automated sequential character string display */
automated_char_cfg.automated_mode = LCDCA_AUTOMATED_MODE_SEQUENTIAL;
automated_char_cfg.automated_timer = LCDCA_TIMER_FC2;
automated_char_cfg.lcd_tdg = LCDCA_TDG_14SEG4COM;
automated_char_cfg.stseg = FIRST_14SEG_4C;
automated_char_cfg.dign = WIDTH_14SEG_4C;
automated_char_cfg.steps = 0;
automated_char_cfg.dir_reverse = LCDCA_AUTOMATED_DIR_REVERSE;
lcdca_automated_char_set_config(&automated_char_cfg);
lcdca_automated_char_start(sequential_str, strlen((char const *)sequential_str));
printf("Press PB0 to stop automated sequential mode and continue.\n\r");
wait_for_switches();
lcdca_automated_char_stop();
/* Automated scrolling of character string display */
automated_char_cfg.automated_mode = LCDCA_AUTOMATED_MODE_SCROLLING;
automated_char_cfg.automated_timer = LCDCA_TIMER_FC2;
automated_char_cfg.lcd_tdg = LCDCA_TDG_14SEG4COM;
automated_char_cfg.stseg = FIRST_14SEG_4C;
automated_char_cfg.dign = WIDTH_14SEG_4C;
/* STEPS = string length - DIGN + 1 */
automated_char_cfg.steps = sizeof(scrolling_str) - WIDTH_14SEG_4C + 1;
automated_char_cfg.dir_reverse = LCDCA_AUTOMATED_DIR_REVERSE;
lcdca_automated_char_set_config(&automated_char_cfg);
lcdca_automated_char_start(scrolling_str, strlen((char const *)scrolling_str));
printf("Press PB0 to stop automated scrolling mode and continue.\n\r");
wait_for_switches();
lcdca_automated_char_stop();
/* Set callback for LCDCA interrupt */
lcdca_set_callback(lcdca_callback, LCDCA_IRQn, 1);
/* Enable LCDCA wakeup */
lcdca_enable_wakeup();
printf("Enter power save mode.\n\r");
printf("It'll display power save string sequence and"
"blink wireless icon when every wake up.\n\r");
while (1) {
/* Display lowpower string repeatly */
c42364a_write_alpha_packet(lowpower_str[str_id]);
str_id = (str_id + 1) % MAX_NUM_LOWPOWER_STR;
/* Toggle wireless icon */
lcdca_toggle_pixel(ICON_WLESS);
/* Enter in sleep mode */
sleepmgr_enter_sleep();
}
}
/**
* \brief main function : do init and loop
*/
int main(void)
{
uint8_t key;
uint8_t const scrolling_str[] = "C42364A Example ";
int32_t value = -12345;
/* Initialize the SAM system */
sysclk_init();
board_init();
/* Initialize the console uart */
configure_console();
/* Output example information */
printf("-- C42364A Example --\r\n");
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
/* Turn on the backlight. */
ioport_set_pin_level(LCD_BL_GPIO, LCD_BL_ACTIVE_LEVEL);
/* Initialize the C42364A LCD glass component. */
c42364a_init();
printf("Show all the components on the glass.\r\n");
c42364a_show_all();
printf("Press any key to continue.\r\n");
scanf("%c", (char *)&key);
c42364a_clear_all();
/* Display menu */
display_menu();
while (1) {
scanf("%c", (char *)&key);
switch (key) {
case 'h':
display_menu();
break;
case 'c':
printf("Clear all the screen.\r\n");
c42364a_clear_all();
break;
case '1':
printf("Show icons, number and string.\r\n");
c42364a_show_icon(C42364A_ICON_ARM);
c42364a_show_numeric_dec(value);
c42364a_show_text((const uint8_t *)"Welcome");
c42364a_show_battery(C42364A_BATTERY_TWO);
break;
case '2':
printf("Blink colon icon, show a time.\r\n");
c42364a_clear_icon(C42364A_ICON_MINUS);
c42364a_clear_icon(C42364A_ICON_MINUS_SEG1);
c42364a_clear_icon(C42364A_ICON_MINUS_SEG2);
c42364a_write_num_packet((const uint8_t *)"1023");
c42364a_show_icon(C42364A_ICON_AM);
c42364a_blink_icon_start(C42364A_ICON_COLON);
break;
case '3':
printf("Show the two dots circular animation.\r\n");
c42364a_circular_animation_start(C42364A_CSR_RIGHT, 7, 0x03);
break;
case '4':
printf("Text scrolling.\r\n");
c42364a_text_scrolling_start(scrolling_str,
strlen((char const *)scrolling_str));
break;
default:
break;
}
}
}
