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jhd1313m1: Added while loop to LCD example c/cxx
Make these just a bit more interesting - continuously change color and keep updating the lcd. Also, echo the write via printf. Signed-off-by: Noel Eck <noel.eck@intel.com>
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@ -22,22 +22,51 @@
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <signal.h>
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#include "jhd1313m1.hpp"
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int shouldRun = true;
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void sig_handler(int signo)
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{
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if (signo == SIGINT)
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shouldRun = false;
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}
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int
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main(int argc, char **argv)
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{
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//! [Interesting]
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// 0x62 RGB_ADDRESS, 0x3E LCD_ADDRESS
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upm::Jhd1313m1 *lcd = new upm::Jhd1313m1(0, 0x3E, 0x62);
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lcd->setCursor(0,0);
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lcd->write("Hello World");
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lcd->setCursor(1,2);
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lcd->write("Hello World");
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signal(SIGINT, sig_handler);
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printf("Sleeping for 5 seconds\n");
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sleep(5);
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delete lcd;
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//! [Interesting]
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//! [Interesting]
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// 0x62 RGB_ADDRESS, 0x3E LCD_ADDRESS
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upm::Jhd1313m1 lcd(0, 0x3E, 0x62);
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int ndx = 0;
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uint8_t rgb[7][3] = {
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{0xd1, 0x00, 0x00},
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{0xff, 0x66, 0x22},
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{0xff, 0xda, 0x21},
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{0x33, 0xdd, 0x00},
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{0x11, 0x33, 0xcc},
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{0x22, 0x00, 0x66},
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{0x33, 0x00, 0x44}};
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while (shouldRun)
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{
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// Alternate rows on the LCD
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lcd.setCursor(ndx%2,0);
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// Change the color
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uint8_t r = rgb[ndx%7][0];
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uint8_t g = rgb[ndx%7][1];
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uint8_t b = rgb[ndx%7][2];
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lcd.setColor(r, g, b);
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lcd.write("Hello World " + std::to_string(ndx));
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// Echo via printf
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printf("Hello World %d rgb: 0x%02x%02x%02x\n", ndx++, r, g, b);
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sleep(1);
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}
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//! [Interesting]
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return 0;
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}
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