playground-stm32/f407_test
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Touch pt. 1

Browse source
This commit is contained in:
Attila Body 2020-02-28 15:20:22 +01:00
parent 22982db966
commit 46a5748e75
22 changed files with 3528 additions and 613 deletions
Download patch file Download diff file Expand all files Collapse all files

53
App/application.cpp
View file

@ -24,6 +24,31 @@ void MainLoop()
m.Loop();
}
#define CMD_X_READ 0b10010000
#define CMD_Y_READ 0b11010000
uint8_t SpiIo(SPI_TypeDef *spi, uint8_t data)
{
while(!LL_SPI_IsActiveFlag_TXE(spi));
LL_SPI_TransmitData8(spi, data);
while(!LL_SPI_IsActiveFlag_RXNE(spi));
return LL_SPI_ReceiveData8(spi);
}
uint16_t ReadTouch(SPI_TypeDef *spi, bool x)
{
uint16_t tmp;
LL_GPIO_ResetOutputPin(TOUCH_CS_GPIO_Port, TOUCH_CS_Pin);
SpiIo(spi, x ? CMD_X_READ: CMD_Y_READ);
tmp = (uint16_t)SpiIo(spi, 0) << 8;
tmp |= SpiIo(spi, 0);
LL_GPIO_SetOutputPin(TOUCH_CS_GPIO_Port, TOUCH_CS_Pin);
return tmp >> 3;
}
Application::Application()
: GlobalsInitializer(&m_console)
, m_console(USART1, DMA2, LL_DMA_STREAM_2, LL_DMA_STREAM_7, this, nullptr)
@ -32,18 +57,18 @@ Application::Application()
void Application::Loop()
{
char buffer[32];
char buffer[128];
Ili9341Fsmc &lcd(Ili9341Fsmc::Init(nullptr, nullptr, DMA2, LL_DMA_STREAM_4, false));
lcd.SetScrollMode(true);
lcd.FillRect(Ili9341Fsmc::ILI9341_BLACK, false);
for(uint32_t l = 0; l < 100; ++l) {
uitodec(buffer, l);
lcd.Print(buffer);
lcd.Print("\r\n");
}
LL_SPI_Enable(SPI2);
for(int i = 0; i < 100; ++i) {
m_console.SendLine("Lofasz a seggedbe!\r\n");
}
for(;;) {
if(m_received && m_transmitted) {
@ -55,6 +80,22 @@ void Application::Loop()
m_received = false;
m_rcvdBuffer->busy = false;
}
if(LL_GPIO_IsInputPinSet(PENIRQ_GPIO_Port, PENIRQ_Pin))
LL_GPIO_SetOutputPin(LED1_GPIO_Port, LED1_Pin);
else {
LL_GPIO_ResetOutputPin(LED1_GPIO_Port, LED1_Pin);
uint16_t x = ReadTouch(SPI2, true);
uint16_t y = ReadTouch(SPI2, false);
unsigned len = strcpy_ex(buffer, "X: ");
len += uitodec(buffer+len, x);
len += strcpy_ex(buffer + len, ", Y: ");
len += uitodec(buffer + len, y);
len += strcpy_ex(buffer + len, "\r\n");
lcd.Print(buffer, len);
m_console.SendLine(buffer, len);
}
}
}