First steps with mbed an ht1632 with borrowed code. Print a message to a 0832 Dot Matrix Display from sure... I hope to form a library for such Displays in the next weeks...
ht1632.h
00001 /* 00002 * Header for Holtek ht1632 LED driver 00003 */ 00004 00005 /* Original Nov, 2008 by Bill Westfield */ 00006 00007 00008 #define ID_CMD 4 /* ID = 100 - Commands */ 00009 #define ID_RD 6 /* ID = 110 - Read RAM */ 00010 #define ID_WR 5 /* ID = 101 - Write RAM */ 00011 00012 #define CMD_SYSDIS 0x00 /* CMD= 0000-0000-x Turn off oscil */ 00013 #define CMD_SYSON 0x01 /* CMD= 0000-0001-x Enable system oscil */ 00014 #define CMD_LEDOFF 0x02 /* CMD= 0000-0010-x LED duty cycle gen off */ 00015 #define CMD_LEDON 0x03 /* CMD= 0000-0011-x LEDs ON */ 00016 #define CMD_BLOFF 0x08 /* CMD= 0000-1000-x Blink ON */ 00017 #define CMD_BLON 0x09 /* CMD= 0000-1001-x Blink Off */ 00018 #define CMD_SLVMD 0x10 /* CMD= 0001-00xx-x Slave Mode */ 00019 #define CMD_MSTMD 0x14 /* CMD= 0001-01xx-x Master Mode */ 00020 #define CMD_RCCLK 0x18 /* CMD= 0001-10xx-x Use on-chip clock */ 00021 #define CMD_EXTCLK 0x1C /* CMD= 0001-11xx-x Use external clock */ 00022 #define CMD_COMS00 0x20 /* CMD= 0010-ABxx-x commons options */ 00023 #define CMD_COMS01 0x24 /* CMD= 0010-ABxx-x commons options */ 00024 #define CMD_COMS10 0x28 /* CMD= 0010-ABxx-x commons options */ 00025 #define CMD_COMS11 0x2C /* CMD= 0010-ABxx-x commons options */ 00026 #define CMD_PWM 0xA0 /* CMD= 101x-PPPP-x PWM duty cycle */ 00027
Generated on Sun Jul 17 2022 15:03:58 by
1.7.2