/* * Author: Jon Trulson * Copyright (c) 2016 Intel Corporation. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "jhd1313m1.h" #include "upm_utilities.h" #include "signal.h" #include "string.h" bool shouldRun = true; void sig_handler(int signo) { if (signo == SIGINT) shouldRun = false; } int main(int argc, char **argv) { signal(SIGINT, sig_handler); //! [Interesting] // initialize a JHD1313m1 on I2C bus 0, LCD address 0x3e, RGB // address 0x62 jhd1313m1_context lcd = jhd1313m1_init(0, 0x3e, 0x62); if (!lcd) { printf("jhd1313m1_i2c_init() failed\n"); return 1; } int ndx = 0; char str[23]; uint8_t rgb[7][3] = { {0xd1, 0x00, 0x00}, {0xff, 0x66, 0x22}, {0xff, 0xda, 0x21}, {0x33, 0xdd, 0x00}, {0x11, 0x33, 0xcc}, {0x22, 0x00, 0x66}, {0x33, 0x00, 0x44}}; while (shouldRun) { snprintf(str, sizeof(str), "Hello World %d", ndx); // Alternate rows on the LCD jhd1313m1_set_cursor(lcd, ndx%2, 0); jhd1313m1_write(lcd, str, strlen(str)); // Change the color uint8_t r = rgb[ndx%7][0]; uint8_t g = rgb[ndx%7][1]; uint8_t b = rgb[ndx%7][2]; jhd1313m1_set_color(lcd, r, g, b); // Echo via printf printf("Hello World %d rgb: 0x%02x%02x%02x\n", ndx++, r, g, b); upm_delay(1); } jhd1313m1_close(lcd); //! [Interesting] return 0; }