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72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2016 Intel Corporation.
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*
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* This program and the accompanying materials are made available under the
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* terms of the The MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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*/
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#include "jhd1313m1.h"
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#include "upm_utilities.h"
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#include "signal.h"
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#include "string.h"
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bool 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 main(int argc, char **argv)
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{
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signal(SIGINT, sig_handler);
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//! [Interesting]
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// initialize a JHD1313m1 on I2C bus 0, LCD address 0x3e, RGB
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// address 0x62
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jhd1313m1_context lcd = jhd1313m1_init(0, 0x3e, 0x62);
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if (!lcd)
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{
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printf("jhd1313m1_i2c_init() failed\n");
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return 1;
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}
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int ndx = 0;
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char str[23];
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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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snprintf(str, sizeof(str), "Hello World %d", ndx);
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// Alternate rows on the LCD
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jhd1313m1_set_cursor(lcd, ndx%2, 0);
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jhd1313m1_write(lcd, str, strlen(str));
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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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jhd1313m1_set_color(lcd, r, g, b);
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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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upm_delay(1);
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}
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jhd1313m1_close(lcd);
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//! [Interesting]
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return 0;
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}
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