Created
May 15, 2016 19:32
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Jim's LED
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var table = {
“ “:0,
0:0x3F, /* 0 /
1:0x06, / 1 /
2:0x5B, / 2 /
3:0x4F, / 3 /
4:0x66, / 4 /
5:0x6D, / 5 /
6:0x7D, / 6 /
7:0x07, / 7 /
8:0x7F, / 8 /
9:0x6F, / 9 /
“A”:0x77, / a /
“B”:0x7C, / b /
“C”:0x39, / C /
“D”:0x5E, / d /
“E”:0x79, / E /
“F”:0x71, / F */
];
function ledInit() {
I2C1.setup({scl:B6, sda:B7})
I2C1.writeTo(0x70, 0x21); // clock on
I2C1.writeTo(0x70, 0x81); // flash
I2C1.writeTo(0x70, 0xE0 | 15); // brightness 15
}
function ledShow(n) {
n=” “+n;
N = n.substr(-4);
I2C1.writeTo(0x70, [0,table[n[0]],0,table[n[1]],0,0,0,table[n[2]],0,table[n[3]],0]); // light some digits
}