mirror of
https://github.com/ocogeclub/ocoge.git
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92 lines
3.1 KiB
JavaScript
92 lines
3.1 KiB
JavaScript
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module.exports = require('bindings')('pigpio');
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// module.exports.INPUT = 0;
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// module.exports.OUTPUT = 1;
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// module.exports.PUD_OFF = 0;
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// module.exports.PUD_DOWN = 1;
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// module.exports.PUD_UP = 2;
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module.exports.PULL_UP = 2;
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module.exports.PULL_DOWN = 1;
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module.exports.PULL_NONE = 0;
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let pi = -1;
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let i2c_hand = -1;
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let ser_hand = -1;
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module.exports.gpio_open = () => {
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if (pi < 0) pi = module.exports._pigpio_start('', '');
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return pi;
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}
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module.exports.gpio_close = () => {
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if (pi >= 0) module.exports._pigpio_stop(pi);
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pi = -1;
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}
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module.exports.gpio_set_output = gpio => {
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if (pi >= 0) return module.exports._set_mode(pi, gpio, 1);
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}
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module.exports.gpio_set_input = (gpio, mode) => {
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if (pi >= 0) {
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let r = module.exports._set_mode(pi, gpio, 0);
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if (r == 0)
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return module.exports._set_pull_up_down(pi, gpio, mode);
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else
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return r;
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}
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}
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module.exports.gpio_read = gpio => {
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if (pi >= 0) return module.exports._gpio_read(pi, gpio);
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}
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module.exports.gpio_write = (gpio, value) => {
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if (pi >= 0) return module.exports._gpio_write(pi, gpio, value);
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}
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module.exports.servo = (gpio, pulse_width) => {
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if (pi >= 0) return module.exports._set_servo_pulsewidth(pi, gpio, pulse_width);
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}
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module.exports.pwm = (gpio, pwm_frequency, pwm_duty_cycle) => {
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if (pi >= 0) {
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module.exports._set_PWM_frequency(pi, gpio, pwm_frequency);
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module.exports._set_PWM_dutycycle(pi, gpio, pwm_duty_cycle);
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}
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}
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module.exports.serial_open = (tty, baud) => {
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if (ser_hand >= 0) module.exports._serial_close(pi, ser_hand); // 勝手に閉じる
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ser_hand = module.exports._serial_open(pi, tty, baud);
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return ser_hand;
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}
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module.exports.serial_close = () => {
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if (ser_hand >= 0) module.exports._serial_close(pi, ser_hand);
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ser_hand = -1;
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}
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module.exports.serial_write = data => {
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if (ser_hand >= 0) return module.exports._serial_write(pi, ser_hand, Buffer.from(data));
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}
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module.exports.serial_read = count => {
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if (ser_hand >= 0) return module.exports._serial_read(pi, ser_hand, count).toString('utf8');
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}
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module.exports.i2c_open = (i2c_bus, i2c_address) => {
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if (i2c_hand >= 0) module.exports._i2c_close(pi, i2c_hand); // 勝手に閉じる
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i2c_hand = module.exports._i2c_open(pi, i2c_bus, i2c_address);
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return i2c_hand;
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}
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module.exports.i2c_close = () => {
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if (i2c_hand >= 0) module.exports._i2c_close(pi, i2c_hand);
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i2c_hand = -1;
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}
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module.exports.i2c_write_byte_data = (reg, byte_val) => {
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if (i2c_hand >= 0) return module.exports._i2c_write_byte_data(pi, i2c_hand, reg, byte_val);
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}
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module.exports.i2c_read_byte_data = reg => {
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if (i2c_hand >= 0) return module.exports._i2c_read_byte_data(pi, i2c_hand, reg);
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}
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module.exports.i2c_read_device = count => {
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if (i2c_hand >= 0) return module.exports._i2c_read_device(pi, i2c_hand, count).toString('utf8');
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}
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module.exports.i2c_write_device = data => {
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if (i2c_hand >= 0) return module.exports._i2c_write_device(pi, i2c_hand, Buffer.from(data));
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}
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// 終了処理
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module.exports.close_all_handle = () => {
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module.exports.serial_close();
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module.exports.i2c_close();
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module.exports.gpio_close();
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}
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