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MCU_SWM221/LCD/SimplMPU/APP/ST7789.c

243 lines
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第一次上传MCU代码
1 month ago
#include "SWM221.h"
#include "ST7789.h"
/******************************************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: ST7789_Init()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: TFTҺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>TFTʹ<EFBFBD><EFBFBD>ST7789<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD>320*240<EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD> ZJY320P1600TG11 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
******************************************************************************************************************************************/
void ST7789_Init(void)
{
MPU_InitStructure MPU_initStruct;
PORT_Init(PORTA, PIN8, PORTA_PIN8_MPU_D0, 1);
PORT_Init(PORTA, PIN9, PORTA_PIN9_MPU_D1, 1);
PORT_Init(PORTA, PIN10, PORTA_PIN10_MPU_D2, 1);
PORT_Init(PORTA, PIN11, PORTA_PIN11_MPU_D3, 1);
PORT_Init(PORTA, PIN12, PORTA_PIN12_MPU_D4, 1);
PORT_Init(PORTA, PIN13, PORTA_PIN13_MPU_D5, 1);
PORT_Init(PORTA, PIN14, PORTA_PIN14_MPU_D6, 1);
PORT_Init(PORTA, PIN0, PORTA_PIN0_MPU_D7, 1);
PORT_Init(PORTB, PIN4, PORTB_PIN4_MPU_CS, 0);
PORT_Init(PORTB, PIN5, PORTB_PIN5_MPU_RS, 0);
PORT_Init(PORTB, PIN6, PORTB_PIN6_MPU_WR, 0);
PORT_Init(PORTB, PIN9, PORTB_PIN9_MPU_RD, 0);
MPU_initStruct.ByteOrder = MPU_BIG_ENDIAN;
MPU_initStruct.RDHoldTime = 2;
MPU_initStruct.WRHoldTime = 2;
MPU_initStruct.CSFall_WRFall = 1;
MPU_initStruct.WRRise_CSRise = 1;
MPU_initStruct.RDCSRise_Fall = 2;
MPU_initStruct.WRCSRise_Fall = 2;
MPU_Init(MPU, &MPU_initStruct);
GPIO_Init(GPIOB, PIN2, 1, 0, 0, 0); //<2F><>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD>
GPIO_SetBit(GPIOB, PIN2);
GPIO_Init(GPIOB, PIN3, 1, 0, 0, 0); //<2F><>Ļ<EFBFBD><C4BB>λ
GPIO_ClrBit(GPIOB, PIN3);
for(int i = 0; i < 1000000; i++) __NOP();
GPIO_SetBit(GPIOB, PIN3);
for(int i = 0; i < 1000000; i++) __NOP();
uint32_t id = MPU_ReadReg(MPU, 0x04); // dummy read
id = MPU->DRB << 16;
id |= MPU->DRB << 8;
id |= MPU->DRB << 0;
if(id != 0x858552)
{
printf("ID = %06X, not ST7789V\n", id);
}
MPU_WR_REG8(MPU, 0x11); // Sleep out
MPU_WR_REG8(MPU, 0x36); // Memory Access Control
MPU_WR_DATA8(MPU, 0x00);
MPU_WR_REG8(MPU, 0x3A); // Interface pixel format
MPU_WR_DATA8(MPU, 0x05);
//--------------------------------ST7789S Frame rate setting-------------------------
MPU_WR_REG8(MPU, 0xb2);
MPU_WR_DATA8(MPU, 0x0c);
MPU_WR_DATA8(MPU, 0x0c);
MPU_WR_DATA8(MPU, 0x00);
MPU_WR_DATA8(MPU, 0x33);
MPU_WR_DATA8(MPU, 0x33);
MPU_WR_REG8(MPU, 0xb7);
MPU_WR_DATA8(MPU, 0x35);
//---------------------------------ST7789S Power setting-----------------------------
MPU_WR_REG8(MPU, 0xbb);
MPU_WR_DATA8(MPU, 0x20);
MPU_WR_REG8(MPU, 0xc0);
MPU_WR_DATA8(MPU, 0x2c);
MPU_WR_REG8(MPU,0xc2);
MPU_WR_DATA8(MPU, 0x01);
MPU_WR_REG8(MPU, 0xc3);
MPU_WR_DATA8(MPU, 0x0b);
MPU_WR_REG8(MPU, 0xc4);
MPU_WR_DATA8(MPU, 0x20);
MPU_WR_REG8(MPU, 0xc6);
MPU_WR_DATA8(MPU, 0x0f);
MPU_WR_REG8(MPU, 0xd0);
MPU_WR_DATA8(MPU, 0xa4);
MPU_WR_DATA8(MPU, 0xa1);
//--------------------------------ST7789S Gamma setting------------------------------
MPU_WR_REG8(MPU, 0xe0);
MPU_WR_DATA8(MPU, 0xd0);
MPU_WR_DATA8(MPU, 0x03);
MPU_WR_DATA8(MPU, 0x09);
MPU_WR_DATA8(MPU, 0x0e);
MPU_WR_DATA8(MPU, 0x11);
MPU_WR_DATA8(MPU, 0x3d);
MPU_WR_DATA8(MPU, 0x47);
MPU_WR_DATA8(MPU, 0x55);
MPU_WR_DATA8(MPU, 0x53);
MPU_WR_DATA8(MPU, 0X1A);
MPU_WR_DATA8(MPU, 0x16);
MPU_WR_DATA8(MPU, 0x14);
MPU_WR_DATA8(MPU, 0x1F);
MPU_WR_DATA8(MPU, 0x22);
MPU_WR_REG8(MPU, 0xe1);
MPU_WR_DATA8(MPU, 0xd0);
MPU_WR_DATA8(MPU, 0x02);
MPU_WR_DATA8(MPU, 0x08);
MPU_WR_DATA8(MPU, 0x0D);
MPU_WR_DATA8(MPU, 0x12);
MPU_WR_DATA8(MPU, 0x2c);
MPU_WR_DATA8(MPU, 0x43);
MPU_WR_DATA8(MPU, 0x55);
MPU_WR_DATA8(MPU, 0x53);
MPU_WR_DATA8(MPU, 0x1E);
MPU_WR_DATA8(MPU, 0x1B);
MPU_WR_DATA8(MPU, 0x19);
MPU_WR_DATA8(MPU, 0x20);
MPU_WR_DATA8(MPU, 0x22);
MPU_WR_REG8(MPU, 0x29);
}
/******************************************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: ST7789_SetCursor()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>:
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>:
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>:
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
******************************************************************************************************************************************/
void ST7789_SetCursor(uint16_t x, uint16_t y)
{
MPU_WR_REG8(MPU, 0x2A);
MPU_WR_DATA16(MPU, x);
MPU_WR_REG8(MPU, 0x2B);
MPU_WR_DATA16(MPU, y);
}
/******************************************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: ST7789_DrawPoint()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>:
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>:
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>:
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
******************************************************************************************************************************************/
void ST7789_DrawPoint(uint16_t x, uint16_t y, uint16_t rgb)
{
ST7789_SetCursor(x, y);
MPU_WR_REG8(MPU, 0x2C);
MPU_WR_DATA16(MPU, rgb);
}
/******************************************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: ST7789_Clear()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>:
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>:
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>:
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
******************************************************************************************************************************************/
void ST7789_Clear(uint16_t rgb)
{
uint32_t i, j;
ST7789_SetCursor(0, 0);
MPU_WR_REG8(MPU, 0x2C);
for(i = 0; i < LCD_VPIX; i++)
{
for(j = 0; j < LCD_HPIX; j++)
{
MPU_WR_DATA16(MPU, rgb);
}
}
}
static uint32_t MPUDMA_Color;
/******************************************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: ST7789_DMAClear()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> x, y <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ rgb <EFBFBD><EFBFBD><EFBFBD><EFBFBD> n_rgb <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>:
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>:
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD> DMA <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 65535 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><EFBFBD>޷<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD>һ<EFBFBD>顢һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
******************************************************************************************************************************************/
void ST7789_DMAClear(uint16_t x, uint16_t y, uint16_t rgb, uint16_t n_rgb)
{
DMA_InitStructure DMA_initStruct;
MPUDMA_Color = rgb;
ST7789_SetCursor(x, y);
DMA_initStruct.Mode = DMA_MODE_SINGLE;
DMA_initStruct.Unit = DMA_UNIT_HALFWORD;
DMA_initStruct.Count = n_rgb;
DMA_initStruct.MemoryAddr = (uint32_t)&MPUDMA_Color;
DMA_initStruct.MemoryAddrInc = 0;
DMA_initStruct.PeripheralAddr = (uint32_t)&MPU->DRH;
DMA_initStruct.PeripheralAddrInc = 0;
DMA_initStruct.Handshake = DMA_CH1_MPUTX;
DMA_initStruct.Priority = DMA_PRI_LOW;
DMA_initStruct.INTEn = 0;
DMA_CH_Init(DMA_CH1, &DMA_initStruct);
DMA_CH_Open(DMA_CH1);
MPU->SR |= MPU_SR_DMAEN_Msk;
MPU->IRB = 0x2C;
}
uint32_t ST7789_DMADone(void)
{
if(DMA_CH_INTStat(DMA_CH1, DMA_IT_DONE))
{
DMA_CH_INTClr(DMA_CH1, DMA_IT_DONE);
MPU->SR &= ~MPU_SR_DMAEN_Msk;
return 1;
}
else
{
return 0;
}
}