BRNSystems/brnQuanFW
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Refactoring

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This commit is contained in:
Krzysiek Egzmont
2023-12-04 22:53:59 +01:00
parent e2b81bf9c8
commit e039e65ee4
9 changed files with 88 additions and 171 deletions
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144
driver/st7565.c
View File

@@ -25,118 +25,51 @@
#include "driver/system.h"
#include "misc.h"
uint8_t gStatusLine[128];
uint8_t gFrameBuffer[7][128];
void ST7565_DrawLine(const unsigned int Column, const unsigned int Line, const unsigned int Size, const uint8_t *pBitmap)
{
unsigned int i;
SPI_ToggleMasterMode(&SPI0->CR, false);
ST7565_SelectColumnAndLine(Column + 4U, Line);
uint8_t gStatusLine[LCD_WIDTH];
uint8_t gFrameBuffer[FRAME_LINES][LCD_WIDTH];
static void DrawLine(uint8_t column, uint8_t line, const uint8_t * lineBuffer, unsigned size_defVal)
{
ST7565_SelectColumnAndLine(column + 4, line);
GPIO_SetBit(&GPIOB->DATA, GPIOB_PIN_ST7565_A0);
if (pBitmap != NULL)
{
for (i = 0; i < Size; i++)
{
while ((SPI0->FIFOST & SPI_FIFOST_TFF_MASK) != SPI_FIFOST_TFF_BITS_NOT_FULL) {}
SPI0->WDR = pBitmap[i];
}
for (unsigned i = 0; i < size_defVal; i++) {
while ((SPI0->FIFOST & SPI_FIFOST_TFF_MASK) != SPI_FIFOST_TFF_BITS_NOT_FULL) {}
SPI0->WDR = lineBuffer ? lineBuffer[i] : size_defVal;
}
else
{
for (i = 0; i < Size; i++)
{
while ((SPI0->FIFOST & SPI_FIFOST_TFF_MASK) != SPI_FIFOST_TFF_BITS_NOT_FULL) {}
SPI0->WDR = 0;
}
}
SPI_WaitForUndocumentedTxFifoStatusBit();
}
void ST7565_DrawLine(const unsigned int Column, const unsigned int Line, const uint8_t *pBitmap, const unsigned int Size)
{
SPI_ToggleMasterMode(&SPI0->CR, false);
DrawLine(Column, Line, pBitmap, Size);
SPI_ToggleMasterMode(&SPI0->CR, true);
}
void ST7565_BlitFullScreen(void)
{
unsigned int Line;
SPI_ToggleMasterMode(&SPI0->CR, false);
ST7565_WriteByte(0x40);
for (Line = 0; Line < ARRAY_SIZE(gFrameBuffer); Line++)
{
unsigned int Column;
ST7565_SelectColumnAndLine(4, Line + 1);
GPIO_SetBit(&GPIOB->DATA, GPIOB_PIN_ST7565_A0);
for (Column = 0; Column < ARRAY_SIZE(gFrameBuffer[0]); Column++)
{
while ((SPI0->FIFOST & SPI_FIFOST_TFF_MASK) != SPI_FIFOST_TFF_BITS_NOT_FULL) {}
SPI0->WDR = gFrameBuffer[Line][Column];
}
SPI_WaitForUndocumentedTxFifoStatusBit();
for (unsigned line = 0; line < FRAME_LINES; line++) {
DrawLine(0, line+1, gFrameBuffer[line], LCD_WIDTH);
}
#if 0
// whats the delay for I wonder, it holds things up :(
SYSTEM_DelayMs(20);
#else
// SYSTEM_DelayMs(1);
#endif
SPI_ToggleMasterMode(&SPI0->CR, true);
}
void ST7565_BlitStatusLine(void)
{ // the top small text line on the display
unsigned int i;
SPI_ToggleMasterMode(&SPI0->CR, false);
ST7565_WriteByte(0x40); // start line ?
ST7565_SelectColumnAndLine(4, 0);
GPIO_SetBit(&GPIOB->DATA, GPIOB_PIN_ST7565_A0);
for (i = 0; i < ARRAY_SIZE(gStatusLine); i++)
{
while ((SPI0->FIFOST & SPI_FIFOST_TFF_MASK) != SPI_FIFOST_TFF_BITS_NOT_FULL) {}
SPI0->WDR = gStatusLine[i];
}
SPI_WaitForUndocumentedTxFifoStatusBit();
DrawLine(0, 0, gStatusLine, LCD_WIDTH);
SPI_ToggleMasterMode(&SPI0->CR, true);
}
void ST7565_FillScreen(uint8_t Value)
void ST7565_FillScreen(uint8_t value)
{
unsigned int i;
// reset some of the displays settings to try and overcome the radios hardware problem - RF corrupting the display
ST7565_Init(false);
SPI_ToggleMasterMode(&SPI0->CR, false);
for (i = 0; i < 8; i++)
{
unsigned int j;
ST7565_SelectColumnAndLine(0, i);
GPIO_SetBit(&GPIOB->DATA, GPIOB_PIN_ST7565_A0);
for (j = 0; j < 132; j++)
{
while ((SPI0->FIFOST & SPI_FIFOST_TFF_MASK) != SPI_FIFOST_TFF_BITS_NOT_FULL) {}
SPI0->WDR = Value;
}
SPI_WaitForUndocumentedTxFifoStatusBit();
for (unsigned i = 0; i < 8; i++) {
DrawLine(0, i, NULL, value);
}
SPI_ToggleMasterMode(&SPI0->CR, true);
}
@@ -205,40 +138,33 @@ uint8_t cmds[] = {
ST7565_CMD_DISPLAY_ON_OFF | 1, // Display ON/OFF: ON
};
void ST7565_Init(const bool full)
void ST7565_Init(void)
{
if (full) {
SPI0_Init();
ST7565_HardwareReset();
SPI_ToggleMasterMode(&SPI0->CR, false);
ST7565_WriteByte(ST7565_CMD_SOFTWARE_RESET); // software reset
SYSTEM_DelayMs(120);
}
else
SPI_ToggleMasterMode(&SPI0->CR, false);
SPI0_Init();
ST7565_HardwareReset();
SPI_ToggleMasterMode(&SPI0->CR, false);
ST7565_WriteByte(ST7565_CMD_SOFTWARE_RESET); // software reset
SYSTEM_DelayMs(120);
for(uint8_t i = 0; i < 8; i++)
ST7565_WriteByte(cmds[i]);
if (full) {
ST7565_WriteByte(ST7565_CMD_POWER_CIRCUIT | 0b011); // VB=0 VR=1 VF=1
SYSTEM_DelayMs(1);
ST7565_WriteByte(ST7565_CMD_POWER_CIRCUIT | 0b110); // VB=1 VR=1 VF=0
SYSTEM_DelayMs(1);
ST7565_WriteByte(ST7565_CMD_POWER_CIRCUIT | 0b011); // VB=0 VR=1 VF=1
SYSTEM_DelayMs(1);
ST7565_WriteByte(ST7565_CMD_POWER_CIRCUIT | 0b110); // VB=1 VR=1 VF=0
SYSTEM_DelayMs(1);
for(uint8_t i = 0; i < 4; i++) // why 4 times?
ST7565_WriteByte(ST7565_CMD_POWER_CIRCUIT | 0b111); // VB=1 VR=1 VF=1
SYSTEM_DelayMs(40);
for(uint8_t i = 0; i < 4; i++) // why 4 times?
ST7565_WriteByte(ST7565_CMD_POWER_CIRCUIT | 0b111); // VB=1 VR=1 VF=1
SYSTEM_DelayMs(40);
}
ST7565_WriteByte(ST7565_CMD_SET_START_LINE | 0); // line 0
ST7565_WriteByte(ST7565_CMD_DISPLAY_ON_OFF | 1); // D=1
SPI_WaitForUndocumentedTxFifoStatusBit();
SPI_ToggleMasterMode(&SPI0->CR, true);
if (full)
ST7565_FillScreen(0x00);
ST7565_FillScreen(0x00);
}
void ST7565_FixInterfGlitch(void)

9
driver/st7565.h
View File

@@ -22,15 +22,16 @@
#define LCD_WIDTH 128
#define LCD_HEIGHT 64
#define FRAME_LINES 7
extern uint8_t gStatusLine[128];
extern uint8_t gFrameBuffer[7][128];
extern uint8_t gStatusLine[LCD_WIDTH];
extern uint8_t gFrameBuffer[FRAME_LINES][LCD_WIDTH];
void ST7565_DrawLine(const unsigned int Column, const unsigned int Line, const unsigned int Size, const uint8_t *pBitmap);
void ST7565_DrawLine(const unsigned int Column, const unsigned int Line, const uint8_t *pBitmap, const unsigned int Size);
void ST7565_BlitFullScreen(void);
void ST7565_BlitStatusLine(void);
void ST7565_FillScreen(uint8_t Value);
void ST7565_Init(const bool full);
void ST7565_Init(void);
void ST7565_FixInterfGlitch(void);
void ST7565_HardwareReset(void);
void ST7565_SelectColumnAndLine(uint8_t Column, uint8_t Line);