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add simple work with fonts (too small for this screen), still have some bugs with sprites in lower right corner

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This commit is contained in:
Edward Emelianov
2023-05-11 00:36:10 +03:00
parent eda7d9127a
commit d88de360d0
16 changed files with 4917 additions and 64 deletions
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81
F3:F303/NitrogenFlooding/ili9341.c
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@@ -24,9 +24,13 @@
#endif
#include "usb.h"
#include <string.h> // bzero
// color buffer for DMA translations (2 lines)
uint16_t colorbuf[COLORBUFSZ];
static const uint8_t initcmd[] = {
ILI9341_SWRESET, 0xff, // reset and wait a lot
//0xEF, 3, 0x03, 0x80, 0x02, // WTF?
ILI9341_POWCTLA, 5, 0x39, 0x2C, 0x00, 0x34, 0x02, // default
ILI9341_POWCTLB, 3, 0x00, 0xC1, 0x30, // PC/EQ for power saving
ILI9341_DRVTCTLA1, 3, 0x85, 0x00, 0x78, // EQ timimg
@@ -48,7 +52,7 @@ static const uint8_t initcmd[] = {
0x4E, 0xF1, 0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00,
ILI9341_NEGGAMCOR, 15, 0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, // Set Gamma
0x31, 0xC1, 0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F,
ILI9341_SLPOUT, 0x8a, // Exit Sleep
ILI9341_SLPOUT, 0x8a, // Exit Sleep and wait 10ms
ILI9341_NORON, 0x80, // Normal display mode ON
ILI9341_DISPON, 0x80, // Display on
0x00 // End of list
@@ -70,6 +74,8 @@ int ili9341_init(){
if(!ili9341_writereg(reg, ptr, N)) return 0;
ptr += N;
}
if(!ili9341_setcol(0, SCRNW-1)) return 0;
if(!ili9341_setrow(0, SCRNH-1)) return 0;
return 1;
}
@@ -174,14 +180,47 @@ int ili9341_writecmd(uint8_t cmd){
return r;
}
// write data
int ili9341_writedata(const uint8_t *data, uint32_t N){
// read/write data over DMA
static int dmardwr(uint8_t *out, uint8_t *in, uint32_t N){
if(!out || !N) return 0;
if(in) bzero(out, N);
SCRN_Data();
SCRN_RST_set(0);
uint32_t r = 0;
do{
if(!spi_write_dma((const uint8_t*)out, in, N)) break;
if(!spi_waitbsy()) break;
uint32_t T = Tms;
while(Tms - T < 100 && spi_status != SPI_READY);
if(spi_status != SPI_READY) break;
if(in){if(!spi_read_dma(&r)) break;}
else r = 1;
}while(0);
SCRN_Command();
SCRN_RST_set(1);
return r;
}
// write data by SPI over DMA (but blocking!)
// !!!! don't do anything with `data` until transmission complete !!!!
int ili9341_writedata(uint8_t *data, uint32_t N){
return dmardwr(data, NULL, N);
}
// blocking read data by DMA
int ili9341_readdata(uint8_t *data, uint32_t N){
return dmardwr(data, data, N);
}
int ili9341_readregdma(uint8_t reg, uint8_t *data, uint32_t N){
SCRN_Command();
SCRN_RST_set(0);
int r = 0;
do{
if(!spi_write(data, N)) break;
if(!spi_write(&reg, 1)) break;
if(!spi_waitbsy()) break;
SCRN_Data();
if(!dmardwr(data, data, N)) break;
r = 1;
}while(0);
SCRN_Command();
@@ -191,32 +230,14 @@ int ili9341_writedata(const uint8_t *data, uint32_t N){
static int fillcmd(uint16_t color, uint8_t cmd, int sz){
uint16_t rc = __builtin_bswap16(color);
//USB_sendstr("rc="); USB_sendstr(u2str(rc)); newline();
SCRN_Command();
SCRN_RST_set(0);
int r = 0;
if(!spi_write(&cmd, 1)) goto rtn;
if(!spi_waitbsy()) goto rtn;
r = 1;
SCRN_Data();
uint16_t black = 0;
for(int i = 0; i < sz; ++i){
IWDG->KR = IWDG_REFRESH;
if(i%80 == 0){
if(!spi_write((uint8_t*)&black, 2)){
r = 0;
break;
}
} else if(!spi_write((uint8_t*)&rc, 2)){
r = 0;
break;
}
if(!ili9341_writecmd(cmd)) return 0;
for(int i = 0; i < COLORBUFSZ; ++i) colorbuf[i] = rc; // prepare buffer to write
while(sz){
int portion = (sz > COLORBUFSZ) ? COLORBUFSZ : sz;
if(!ili9341_writedata((uint8_t*)colorbuf, portion * 2)) return 0; // multiply by 2: we are writing uint16_t!
sz -= portion;
}
if(!spi_waitbsy()) r = 0;
rtn:
SCRN_Command();
SCRN_RST_set(1);
return r;
return 1;
}
// fill start