suu pen
12-Channel LED Driver With Gray scale Adaptive Pulse Density Modulation Control IC maker MY-Semi
main.cpp
- Committer:
- suupen
- Date:
- 2017-10-22
- Revision:
- 0:104d4c4514b8
- Child:
- 1:caa6335a5b06
File content as of revision 0:104d4c4514b8:
/**
* @section DESCRIPTION
* maker http://www.my-semi.com/content/products/product_mean.aspx?id=9
* shop http://akizukidenshi.com/catalog/g/gI-09678/
*/
/*
MY9366
http://www.my-semi.com/content/products/product_mean.aspx?id=28
*/
#define LIBMY9221
#include "mbed.h"
#ifdef LIBMY9221
#include "MY9221.h"
MY9221 MY9221(p5, p10, 1); // di, clk, number
#else
DigitalOut DCKI (p10); // clk
DigitalOut DI(p5);
//=========================
// command data description
//=========================
// 0x0000にクリアした上で、下記の定義をorしていく
// CMD[10] 0000 0x00 0000 0000 lout Tr/Tf select
#define LOUT_SLOW_MODE (0x0000)
#define LOUT_FAST_MODE (0x0400)
// CMD[9:8] 0000 00xx 0000 0000 Gryascale resolution select
#define GRAYSCALE_8BIT (0x0000)
#define GRAYSCALE_12BIT (0x0100)
#define GRAYSCALE_14BIT (0x0200)
#define GRAYSCALE_16BIT (0x0300)
// CMD[7:5] 0000 0000 xxx0 0000 Internal oscillator freq select
#define ORIGINAL_FREQ1 (0x0000)
#define ORIGINAL_FREQ2 (0x0020)
#define ORIGINAL_FREQ4 (0x0040)
#define ORIGINAL_FREQ8 (0x0060)
#define ORIGINAL_FREQ16 (0x0080)
#define ORIGINAL_FREQ64 (0x00a0)
#define ORIGINAL_FREQ128 (0x00c0)
#define ORIGINAL_FREQ256 (0x00e0)
// CMD[4] 0000 0000 000x 0000 Output waveform select
#define WAVE_MYPWM (0x0000) // Only Grayscale = 8bit
#define WAVE_APDM (0x0010)
// CMD[3] 0000 0000 0000 x000 Grayscale clock source select
#define GCLOCK_INTERNAL (0x0000)
#define GCLOCK_EXTERNAL (0x0008)
// CMD[2] 0000 0000 0000 0x00 Output polarity select
#define WORK_LED (0x0000)
#define WORK_MYPWM (0x0004)
// CMD[1] 0000 0000 0000 00x0 Counter reset select
#define COUNTER_FREE (0x0000)
#define COUNTER_RESET (0x0002)
// CMD[0] 0000 0000 0000 000x One-shot select
#define SHOT_REPEAT (0x0000)
#define SHOT_SHOT (0x0001)
// commandData_t D[]の配列番号
// MY9221のOUTxの番号と配列番号をあわせるための定義
#define OUT3 (0)
#define OUT2 (1)
#define OUT1 (2)
#define OUT0 (3)
//=========================
// MY9221 command data 定義
//=========================
typedef struct {
uint16_t DA;
uint16_t DB;
uint16_t DC;
} dataSet_t;
typedef struct {
uint16_t CMD;
dataSet_t D[4]; // [0]:OUT3 [1]:OUT2 [2]:OUT1 [3]:OUT0
} commandData_t;
commandData_t MY9221_data[1] = {
0x0000, // CMD
0xffff, // DA3;
0xffff, // DB3;
0xffff, // DC3;
0x00ff, // DA2;
0x00ff, // DB2;
0x00ff, // DC2;
0x000f, // DA1;
0x000f, // DB1;
0x000f, // DC1;
0x0000, // DA0;
0x0000, // DB0;
0x0000 // DC0;
};
/** send one word data
* @param uint16_t data : send data
* @param return none
*/
void sendWord(uint16_t data)
{
uint16_t temp = data;
uint8_t count = 8;
__disable_irq(); // 禁止
DCKI = 0;
wait_us(1);
do {
DI = ((temp & 0x8000) == 0x8000) ? 1 : 0;
temp <<= 1;
wait_us(1);
DCKI = 1;
wait_us(1);
DI = ((temp & 0x8000) == 0x8000) ? 1 : 0;
temp <<= 1;
wait_us(1);
DCKI = 0;
wait_us(1);
} while(--count > 0);
DI = 0;
DCKI = 0;
__enable_irq(); // 許可
}
/** data latch & display
* @param none
* @param return none
*/
void latch(void)
{
__disable_irq(); // 禁止
DCKI = 0;
wait_us(1);
DI = 1;
wait_us(1);
DI = 0;
wait_us(1);
DI = 1;
wait_us(1);
DI = 0;
wait_us(1);
DI = 1;
wait_us(1);
DI = 0;
wait_us(1);
DI = 1;
wait_us(1);
DI = 0;
wait_us(1);
DCKI = 0;
__enable_irq(); // 許可
}
/** send brock data
* @param commandData_t *data : MY9221 Data
* @param uint8_t number : connection number (min=1)
* @param none
*/
void sendBrock(commandData_t *data, uint8_t number)
{
for(uint8_t i = 0; i < number; i++) {
sendWord((data + i)->CMD);
sendWord((data + i)->D[0].DA);
sendWord((data + i)->D[0].DB);
sendWord((data + i)->D[0].DC);
sendWord((data + i)->D[1].DA);
sendWord((data + i)->D[1].DB);
sendWord((data + i)->D[1].DC);
sendWord((data + i)->D[2].DA);
sendWord((data + i)->D[2].DB);
sendWord((data + i)->D[2].DC);
sendWord((data + i)->D[3].DA);
sendWord((data + i)->D[3].DB);
sendWord((data + i)->D[3].DC);
}
latch();
}
DigitalOut myled(LED1);
#endif
#ifndef LIBMY9221
int main()
{
uint16_t temp[12];
MY9221_data[0].CMD = 0;
MY9221_data[0].CMD = LOUT_FAST_MODE
| GRAYSCALE_16BIT
| ORIGINAL_FREQ1
| WAVE_APDM
| GCLOCK_INTERNAL
| WORK_LED
| COUNTER_FREE
| SHOT_REPEAT;
for(uint8_t i=0; i < 12; i++){
temp[i] = i * 0x0100;
}
while(1) {
sendBrock(MY9221_data, 1);
for(uint8_t i=0; i < 12; i++){
temp[i] += 0x100;
if(temp[i] == 0){temp[i] = 1;}
}
printf("%04x %04x %04x\r\n",MY9221_data[0].CMD, temp[0], temp[1]);
MY9221_data[0].D[OUT3].DA = temp[0];
MY9221_data[0].D[OUT3].DB = 0;//temp[1];
MY9221_data[0].D[OUT3].DC = 0;//temp[2];
MY9221_data[0].D[OUT2].DA = 0;//temp[3];
MY9221_data[0].D[OUT2].DB = temp[4];
MY9221_data[0].D[OUT2].DC = 0;//temp[5];
myled = 1;
MY9221_data[0].D[OUT1].DA = 0;//temp[6];
MY9221_data[0].D[OUT1].DB = 0;//temp[7];
MY9221_data[0].D[OUT1].DC = temp[8];
MY9221_data[0].D[OUT0].DA = temp[9];
MY9221_data[0].D[OUT0].DB = 0;//temp[10];
MY9221_data[0].D[OUT0].DC = temp[11];
/*
tempA++;
tempB++;
tempC++;
MY9221_data[0].D[OUT3].DA = tempA;
MY9221_data[0].D[OUT3].DB = tempA;
MY9221_data[0].D[OUT3].DC = tempA;
MY9221_data[0].D[OUT2].DA = tempA;
MY9221_data[0].D[OUT2].DB = tempA;
MY9221_data[0].D[OUT2].DC = tempA;
myled = 1;
MY9221_data[0].D[OUT1].DA = tempA;
MY9221_data[0].D[OUT1].DB = tempA;
MY9221_data[0].D[OUT1].DC = tempA;
MY9221_data[0].D[OUT0].DA = tempA;
MY9221_data[0].D[OUT0].DB = tempA;
MY9221_data[0].D[OUT0].DC = tempA;
*/
// wait(0.1);
myled = 0;
// wait(0.2);
}
}
#else
int main()
{
MY9221.initialTest();
while(1){
MY9221.test();
}
}
#endif