RGB LED Driver demo
Dependents: NJU6063_HelloWorld
NJU6063.cpp
- Committer:
- og
- Date:
- 2016-01-10
- Revision:
- 2:137675ac48ab
- Parent:
- 1:bbc915c814da
- Child:
- 3:f83202c2ae59
File content as of revision 2:137675ac48ab:
#include "NJU6063.h" NJU6063::NJU6063( PinName sda, PinName scl, PinName rst) : _i2c(sda, scl), _rst(rst) { uint32_t i2cAddr = I2C_1; //_i2c.frequency(400000); _i2c_cr1 = (uint32_t *)i2cAddr; _i2c_dr = (uint32_t *)(i2cAddr + 0x10); _i2c_sr1 = (uint32_t *)(i2cAddr + 0x14); _i2c_sr2 = (uint32_t *)(i2cAddr + 0x18); } void NJU6063::reset(void) { //_i2c_type->CR1 &= CR1_ACK_Reset; //SetCR1(0x200); wait_ms(100); _rst = 0; wait_ms(100); _rst = 1; } uint8_t NJU6063::set_multi_device(uint8_t n) { char data[3]; data[0] = 0x00; // Initial chip addres data[1] = 0x0d; // multi device address for (uint8_t i=1; i<=n; i++) { data[2] = i; ack= _i2c.write(NJU6063_SLAVE, data, 3); wait_us(500*3); if (ack) { n = i-1; } } return(n); } void NJU6063::init(uint8_t chip_addr, uint8_t d) { char data[3]; data[0] = chip_addr; data[1] = 0x00; data[2] = d; ack = _i2c.write(NJU6063_SLAVE, data, 3); wait_us(500*3); } void NJU6063::set_iled(uint8_t chip_addr, uint8_t d1, uint8_t d2, uint8_t d3) { char data[3]; data[0] = chip_addr; data[1] = 0x01; data[2] = (0x03&d1) | (0x03&d2)<<2 | (0x03&d3) <<4; ack = _i2c.write(NJU6063_SLAVE, data, 3); wait_us(500*3); } void NJU6063::set_pwm(uint8_t chip_addr, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t loop, uint8_t son) { char data[7]; data[0] = chip_addr; data[1] = 0x02; data[2] = d1; data[3] = d2; data[4] = d3; data[5] = loop; data[6] = son; ack = _i2c.write(NJU6063_SLAVE, data, 7); wait_us(500*7); } void NJU6063::dim_start(uint8_t chip_addr) { char data[3]; data[0] = chip_addr; data[1] = 0x07; // reg addres data[2] = 0x01; // start ack = _i2c.write(NJU6063_SLAVE, data, 3); wait_us(500*3); } void NJU6063::dim_stop(uint8_t chip_addr) { char data[3]; data[0] = chip_addr; data[1] = 0x07; // reg addres data[2] = 0x02; // stop ack = _i2c.write(NJU6063_SLAVE, data, 3); wait_us(500*3); } void NJU6063::check_dim(void) { uint8_t timeout = 0x0f; char data[3]; data[0] = 0xff; data[1] = 0x0b; data[2] = 0x00; /* do { ack = _i2c.write(NJU6063_SLAVE, data, 3); wait_us(200*3); timeout--; if (timeout==0) ACK = 1; } while(!ack); */ wait_ms(500); }