68 lines
2.0 KiB
JavaScript
68 lines
2.0 KiB
JavaScript
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export const CHIP = {
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// The consifuration byte is ['NULL','INTPOL','ODR','HAEN','DISSLW','SEQOP','MIRROR','BANK']
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// see page 18 of 23017 datasheet for 8 setting details
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// MUST send '10000000' to 0x0B first to be sure you are in BANK=1 separate bank mode
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// IOCON.BANK=0 (msb) at powerup so need to use 0x0A, if set to 1 then us
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default: {
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val: '10100010', // Split Banks port A + 0x10 = Port B,(ignored by 23008), Sequential operation disabled, active high=pulldown
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fmt: 'STR'
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},
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oneint: {
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val: '11100100', // same as default execpt interupt pins of port A and B are connected
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fmt: 'STR'
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}
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}
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export const PIN = {
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setting: { // these are the mcp registers = command for each setting
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dir: 0,
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ivrt: 1,
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pullup: 6,
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intr: 2,
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usedef: 4,
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defval: 3,
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},
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cfgset:{
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output: {
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dir: 0, // 0 output,1 input
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ivrt: 0,
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pullup: 0,
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intr: 0, // if intr = 0 usedef,deval not used
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usedef: 0, // if usedef = 0 defval not used
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defval: 0
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},
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toggle_switch: {
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dir: 1, // 0 output,1 input
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ivrt: 1, // for reading let 1 be zero and vice versa
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pullup: 1,
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intr: 1, // if intr = 0 usedef,deval not used
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usedef: 0, // if usedef = 0 defval not used
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defval: 0
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},
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toggle_switch_no_pullup: {
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dir: 1, // 0 output,1 input
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ivrt: 1, // for reading let 1 be zero and vice versa
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pullup: 0, // use external pullup 5V with external resister!
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intr: 1, // if intr = 0 usedef,deval not used
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usedef: 0, // if usedef = 0 defval not used
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defval: 0
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},
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momentary_switch: {
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dir: 1, // 0 output,1 input
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ivrt: 1, // for reading let 1 be zero and vice versa
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pullup: 1,
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intr: 1, // if intr = 0 usedef,deval not used
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usedef: 1, // if usedef = 0 defval not used
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defval: 1 // only throw interrupt when switch closes (1 becasue ivrt is 1)
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}
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},
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cmd: {
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intf: 7, // readonly
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intcap: 8, // readonly
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gpio: 9, // read/write
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olat: 10 // read only
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}
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}
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