mirror of
https://github.com/IcedRooibos/py32f0-template.git
synced 2025-10-29 08:52:04 -07:00
295 lines
7.1 KiB
C
295 lines
7.1 KiB
C
/***
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* Demo: ST7567 LCD
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*
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* PY32 ST7567
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* PB2 ------> CS
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* PB3 ------> CLK/SCK
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* PB5 ------> DIN/MOSI
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* PA8 ------> Reset
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* PA9 ------> DC/A0
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* PA10 ------> Back Light
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*/
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#include <string.h>
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#include "main.h"
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#include "py32f0xx_bsp_printf.h"
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#include "st7567.h"
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static void APP_SPIConfig(void);
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static void APP_SystemClockConfig(void);
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uint8_t SPI_TxRxByte(uint8_t data);
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int main(void)
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{
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int y1, y2;
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uint8_t d1, d2;
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APP_SystemClockConfig();
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BSP_USART_Config(115200);
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printf("SPI Demo: ST7567 LCD\r\nClock: %ld\r\n", SystemCoreClock);
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APP_SPIConfig();
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ST7567_Init();
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ST7567_Fill(0);
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LL_mDelay(2000);
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ST7567_DrawLine(0, 0, 127, 0, 1);
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ST7567_DrawLine(0, 0, 0, 63, 1);
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ST7567_DrawLine(127, 0, 127, 63, 1);
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ST7567_DrawLine(0, 63, 127, 63, 1);
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ST7567_GotoXY(5, 5);
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ST7567_Puts("LCD:ST7567", &Font_12x24, 1);
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ST7567_GotoXY(10, 42);
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ST7567_Puts("Font size: 12x24", &Font_6x10, 1);
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ST7567_UpdateScreen(); // display
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LL_mDelay(2000);
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ST7567_Fill(0);
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ST7567_GotoXY(3, 5);
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ST7567_Puts("ST7567 DEMO", &Font_5x7, 1);
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ST7567_GotoXY(3, 21);
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ST7567_Puts("It's a demo of ST7567 12864 LCD", &Font_3x5, 1);
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ST7567_GotoXY(3, 27);
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ST7567_Puts("Font size 3x5, nums:01234567890", &Font_3x5, 1);
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ST7567_GotoXY(5, 52);
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ST7567_Puts("Font size: 5x7", &Font_5x7, 1);
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ST7567_UpdateScreen();
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LL_mDelay(2000);
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ST7567_Fill(0);
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ST7567_GotoXY(5, 5);
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ST7567_Puts("ST7567 is a single-", &Font_6x8, 1);
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ST7567_GotoXY(5, 14);
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ST7567_Puts("chip dot matrix LCD", &Font_6x8, 1);
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ST7567_GotoXY(5, 23);
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ST7567_Puts("driver", &Font_6x8, 1);
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ST7567_GotoXY(10, 52);
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ST7567_Puts("PY32F0 Demo", &Font_6x12, 1);
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ST7567_UpdateScreen();
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LL_mDelay(2000);
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y1 = 10;
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while (y1 <= 0x30)
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{
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ST7567_SetContrast(y1++);
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LL_mDelay(100);
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}
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while (y1 >= 10)
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{
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ST7567_SetContrast(y1--);
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LL_mDelay(100);
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}
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while (y1 <= 0x20)
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{
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ST7567_SetContrast(y1++);
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LL_mDelay(100);
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}
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LL_mDelay(2000);
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ST7567_ToggleInvert();
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ST7567_UpdateScreen();
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LL_mDelay(2000);
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ST7567_ToggleInvert();
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ST7567_UpdateScreen();
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LL_mDelay(2000);
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ST7567_Fill(0);
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y1 = 64, y2 = 0;
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while (y1 > 0)
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{
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ST7567_DrawLine(0, y1, 127, y2, 1);
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ST7567_UpdateScreen();
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y1 -= 2;
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y2 += 2;
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LL_mDelay(30);
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}
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LL_mDelay(1000);
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ST7567_Fill(0);
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y1 = 127, y2 = 0;
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while (y1 > 0)
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{
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ST7567_DrawLine(y1, 0, y2, 63, 1);
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ST7567_UpdateScreen();
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y1 -= 2;
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y2 += 2;
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LL_mDelay(30);
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}
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LL_mDelay(500);
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ST7567_Fill(1);
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ST7567_UpdateScreen();
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ST7567_DrawCircle(64, 32, 25, 0);
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ST7567_UpdateScreen();
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LL_mDelay(100);
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ST7567_DrawCircle(128, 32, 25, 0);
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ST7567_UpdateScreen();
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LL_mDelay(100);
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ST7567_DrawCircle(0, 32, 25, 0);
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ST7567_UpdateScreen();
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LL_mDelay(100);
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ST7567_DrawCircle(32, 32, 25, 0);
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ST7567_UpdateScreen();
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LL_mDelay(100);
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ST7567_DrawCircle(96, 32, 25, 0);
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ST7567_UpdateScreen();
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LL_mDelay(500);
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ST7567_Fill(0);
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ST7567_UpdateScreen();
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int32_t i = -100;
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char buf[10];
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while (i <= 100)
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{
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memset(&buf[0], 0, sizeof(buf));
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sprintf(buf, "%ld", i);
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ST7567_GotoXY(50, 27);
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ST7567_Puts(buf, &Font_6x10, 1);
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ST7567_DrawLine(64, 10, (i + 100) * 128 / 200, (i + 100) * 64 / 200, 1);
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ST7567_UpdateScreen();
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ST7567_Fill(0);
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i++;
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LL_mDelay(30);
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}
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ST7567_Fill(0);
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LL_mDelay(1000);
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/* Infinite loop */
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uint32_t loop;
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y1 = 0, y2 = 0, d1 = 0, d2 = 0;
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while(1)
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{
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for (loop = 0; loop < 0x08; loop++)
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{
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ST7567_GotoXY(y1, y2);
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ST7567_Puts(buf, &Font_6x12, 1);
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ST7567_GotoXY(y1+10, y2+17);
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ST7567_Puts("ST7567", &Font_6x8, 1);
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ST7567_GotoXY(y1+20, y2+33);
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ST7567_Puts("IOsetting", &Font_6x10, 1);
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ST7567_UpdateScreen();
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ST7567_Fill(0);
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}
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LL_mDelay(100);
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if (d1 == 0)
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{
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y1++;
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if (y1 == 54)
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{
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d1 = 1;
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if (d2 == 0)
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{
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y2 +=4;
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if (y2 == 20) d2 = 1;
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}
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else
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{
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y2 -= 4;
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if (y2 == 0) d2 = 0;
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}
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}
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}
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else
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{
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y1--;
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if (y1 == 0) d1 = 0;
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}
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}
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}
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uint8_t SPI_TxRxByte(uint8_t data)
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{
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uint8_t SPITimeout = 0xFF;
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/* Check the status of Transmit buffer Empty flag */
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while (READ_BIT(SPI1->SR, SPI_SR_TXE) == RESET)
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{
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if (SPITimeout-- == 0) return 0;
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}
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LL_SPI_TransmitData8(SPI1, data);
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SPITimeout = 0xFF;
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while (READ_BIT(SPI1->SR, SPI_SR_RXNE) == RESET)
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{
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if (SPITimeout-- == 0) return 0;
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}
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// Read from RX buffer
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return LL_SPI_ReceiveData8(SPI1);
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}
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static void APP_SPIConfig(void)
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{
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LL_SPI_InitTypeDef SPI_InitStruct = {0};
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LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
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LL_APB1_GRP2_EnableClock(LL_APB1_GRP2_PERIPH_SPI1);
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LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOA | LL_IOP_GRP1_PERIPH_GPIOB);
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// PB2 CS
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LL_GPIO_SetPinMode(GPIOB, LL_GPIO_PIN_2, LL_GPIO_MODE_OUTPUT);
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LL_GPIO_SetPinMode(GPIOA, LL_GPIO_PIN_8, LL_GPIO_MODE_OUTPUT);
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LL_GPIO_SetPinMode(GPIOA, LL_GPIO_PIN_9, LL_GPIO_MODE_OUTPUT);
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LL_GPIO_SetPinMode(GPIOA, LL_GPIO_PIN_10, LL_GPIO_MODE_OUTPUT);
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// PB3 SCK
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GPIO_InitStruct.Pin = LL_GPIO_PIN_3;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_UP;
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GPIO_InitStruct.Alternate = LL_GPIO_AF_0;
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LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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// PB4 MISO (not connected)
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GPIO_InitStruct.Pin = LL_GPIO_PIN_4;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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GPIO_InitStruct.Alternate = LL_GPIO_AF_0;
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LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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// PB5 MOSI
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GPIO_InitStruct.Pin = LL_GPIO_PIN_5;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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GPIO_InitStruct.Alternate = LL_GPIO_AF_0;
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LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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SPI_InitStruct.TransferDirection = LL_SPI_FULL_DUPLEX;
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SPI_InitStruct.Mode = LL_SPI_MODE_MASTER;
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SPI_InitStruct.DataWidth = LL_SPI_DATAWIDTH_8BIT;
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SPI_InitStruct.ClockPolarity = LL_SPI_POLARITY_LOW;
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SPI_InitStruct.ClockPhase = LL_SPI_PHASE_1EDGE;
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SPI_InitStruct.NSS = LL_SPI_NSS_SOFT;
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SPI_InitStruct.BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV64;
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SPI_InitStruct.BitOrder = LL_SPI_MSB_FIRST;
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LL_SPI_Init(SPI1, &SPI_InitStruct);
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LL_SPI_Enable(SPI1);
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}
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static void APP_SystemClockConfig(void)
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{
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LL_UTILS_ClkInitTypeDef UTILS_ClkInitStruct;
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LL_RCC_HSI_Enable();
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/* Change this value to adjust clock frequency, larger is faster */
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LL_RCC_HSI_SetCalibFreq(LL_RCC_HSICALIBRATION_24MHz + 15);
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while (LL_RCC_HSI_IsReady() != 1);
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UTILS_ClkInitStruct.AHBCLKDivider = LL_RCC_SYSCLK_DIV_1;
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UTILS_ClkInitStruct.APB1CLKDivider = LL_RCC_APB1_DIV_1;
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LL_PLL_ConfigSystemClock_HSI(&UTILS_ClkInitStruct);
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/* Re-init frequency of SysTick source, reload = freq/ticks = 48000000/1000 = 48000 */
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LL_InitTick(48000000, 1000U);
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}
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void APP_ErrorHandler(void)
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{
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while (1);
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}
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#ifdef USE_FULL_ASSERT
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void assert_failed(uint8_t *file, uint32_t line)
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{
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while (1);
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}
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#endif /* USE_FULL_ASSERT */
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