mirror of
https://github.com/EranMorkon/AMTS.git
synced 2023-12-28 16:48:38 +00:00
90 lines
1.7 KiB
C
90 lines
1.7 KiB
C
#include "rgb.h"
|
|
#include "main.h"
|
|
|
|
typedef enum {
|
|
RGB_SHUTDOWN = 0x00,
|
|
RGB_MAXCUR,
|
|
RGB_RED,
|
|
RGB_GREEN,
|
|
RGB_BLUE,
|
|
RGB_UPLEND,
|
|
RGB_DOWNLEND,
|
|
RGB_DIMSTEP
|
|
} RGB_T;
|
|
|
|
|
|
void rgb_send_command(uint8_t data)
|
|
{
|
|
I2C_GenerateSTART(I2C1, ENABLE);
|
|
while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_MODE_SELECT));
|
|
I2C_Send7bitAddress(I2C1, RGB_ADDR, I2C_Direction_Transmitter);
|
|
while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));
|
|
|
|
I2C_SendData(I2C1, data);
|
|
while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_BYTE_TRANSMITTED));
|
|
|
|
I2C_GenerateSTOP(I2C1, ENABLE);
|
|
|
|
return;
|
|
}
|
|
|
|
void init_rgb(void)
|
|
{
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
|
|
RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE);
|
|
|
|
GPIO_InitTypeDef gpio;
|
|
GPIO_StructInit(&gpio);
|
|
|
|
// SCL
|
|
gpio.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
gpio.GPIO_Pin = GPIO_Pin_6;
|
|
GPIO_Init(GPIOB, &gpio);
|
|
|
|
// SDA
|
|
gpio.GPIO_Mode = GPIO_Mode_AF_OD;
|
|
gpio.GPIO_Pin = GPIO_Pin_7;
|
|
GPIO_Init(GPIOB, &gpio);
|
|
|
|
I2C_InitTypeDef i2c;
|
|
I2C_StructInit(&i2c);
|
|
i2c.I2C_ClockSpeed = 400000;
|
|
I2C_Init(I2C1, &i2c);
|
|
|
|
I2C_Cmd(I2C1, ENABLE);
|
|
|
|
// LED actually allows 40mA, but driver only hanbdles around 30
|
|
rgb_send_command(0x3F);
|
|
return;
|
|
}
|
|
|
|
void run_rgb(void)
|
|
{
|
|
rgb_send_command(0x5F);
|
|
wait(100);
|
|
rgb_send_command(0x7F);
|
|
wait(100);
|
|
rgb_send_command(0x9F);
|
|
wait(100);
|
|
rgb_send_command(0x50);
|
|
wait(100);
|
|
rgb_send_command(0x70);
|
|
wait(100);
|
|
rgb_send_command(0x90);
|
|
wait(100);
|
|
rgb_send_command(0x40);
|
|
wait(100);
|
|
rgb_send_command(0x60);
|
|
wait(100);
|
|
rgb_send_command(0x80);
|
|
wait(100);
|
|
return;
|
|
}
|
|
|
|
void deinit_rgb(void)
|
|
{
|
|
I2C_Cmd(I2C1, DISABLE);
|
|
I2C_DeInit(I2C1);
|
|
return;
|
|
}
|