RGB LED Driver demo
Dependents: NJU6063_HelloWorld
NJU6063.cpp
- Committer:
- og
- Date:
- 2016-01-25
- Revision:
- 4:7a4b9d444b87
- Parent:
- 3:f83202c2ae59
File content as of revision 4:7a4b9d444b87:
#include "NJU6063.h" //#ifndef TARGET_STM NJU6063::NJU6063( PinName sda, PinName scl, PinName rst) : _i2c(sda, scl), _rst(rst) { //_i2c.frequency(400000); } void NJU6063::reset(void) { NJU6063_WAIT_MS; _rst = 0; NJU6063_WAIT_MS; _rst = 1; } uint8_t NJU6063::set_multi_device(uint8_t n) { //_myI2c = (I2C_TypeDef*)I2C_1; //IS_I2C_NO_STRETCH(I2C_NOSTRETCH_ENABLE); uint8_t ret; char data[3]; ret = n; data[0] = 0x00; // Initial chip addres data[1] = NJU6063_MADRES; // multi device address #ifdef TARGET_NUCLEO_F042K6 for (uint8_t i=1; i<=n; i++) { data[2] = i; ack= _i2c.write(NJU6063_SLAVE, data, 2); NJU6063_WAIT; if (ack) { ret = i-1; break; } else { ack= _i2c.write(NJU6063_SLAVE, data, 3); } } #else for (uint8_t i=1; i<=n; i++) { data[2] = i; ack= _i2c.write(NJU6063_SLAVE, data, 3); NJU6063_WAIT; if (ack) { ret = i-1; break; } } #endif return(ret); } void NJU6063::init(uint8_t chip_addr, uint8_t d) { char data[3]; data[0] = chip_addr; data[1] = NJU6063_INIT; data[2] = d; ack = _i2c.write(NJU6063_SLAVE, data, 3); NJU6063_WAIT; } 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] = NJU6063_ILED; data[2] = (0x03&d1) | (0x03&d2)<<2 | (0x03&d3) <<4; ack = _i2c.write(NJU6063_SLAVE, data, 3); NJU6063_WAIT; } 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] = NJU6063_PWM1; data[2] = d1; data[3] = d2; data[4] = d3; data[5] = loop; data[6] = son; ack = _i2c.write(NJU6063_SLAVE, data, 7); NJU6063_WAIT; } void NJU6063::dim_start(uint8_t chip_addr) { char data[3]; data[0] = chip_addr; data[1] = NJU6063_START; // reg addres data[2] = 0x01; // start ack = _i2c.write(NJU6063_SLAVE, data, 3); NJU6063_WAIT; } void NJU6063::dim_stop(uint8_t chip_addr) { char data[3]; data[0] = chip_addr; data[1] = NJU6063_START; // reg addres data[2] = 0x02; // stop ack = _i2c.write(NJU6063_SLAVE, data, 3); NJU6063_WAIT; } void NJU6063::check_dim(void) { uint8_t timeout = 0x0f; char data[3]; data[0] = 0xff; data[1] = NJU6063_DCHK; data[2] = 0x00; do { ack = _i2c.write(NJU6063_SLAVE, data, 3, true); NJU6063_WAIT; timeout--; if (timeout==0) break; } while(!ack); NJU6063_WAIT_MS; } //#endif