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Code Issues Releases Activity

Fixed power save and added display contrast menu

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This commit is contained in:
OneOfEleven
2023-10-10 03:56:28 +01:00
parent a552b040d8
commit 6660d0078f
19 changed files with 219 additions and 132 deletions
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58
driver/st7565.c
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@ -27,6 +27,7 @@
uint8_t g_status_line[128];
uint8_t g_frame_buffer[7][128];
uint8_t contrast = 31; // 0 ~ 63
void ST7565_DrawLine(const unsigned int Column, const unsigned int Line, const unsigned int Size, const uint8_t *pBitmap)
{
@ -64,6 +65,10 @@ void ST7565_BlitFullScreen(void)
{
unsigned int Line;
// 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);
ST7565_WriteByte(0x40);
@ -82,7 +87,7 @@ void ST7565_BlitFullScreen(void)
}
#if 0
// whats the delay for I wonder, it holds things up :(
// whats the delay for, it holds things up :(
SYSTEM_DelayMs(20);
#else
// SYSTEM_DelayMs(1);
@ -115,13 +120,14 @@ void ST7565_BlitStatusLine(void)
SPI_ToggleMasterMode(&SPI0->CR, true);
}
void ST7565_FillScreen(uint8_t Value)
void ST7565_FillScreen(const uint8_t Value)
{
unsigned int i;
// reset some of the displays settings to try and overcome the radios hardware problem - RF corrupting the display
// 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++)
@ -145,52 +151,52 @@ void ST7565_Init(const bool full)
if (full)
{
SPI0_Init();
ST7565_HardwareReset();
SPI_ToggleMasterMode(&SPI0->CR, false);
ST7565_WriteByte(0xE2); // internal reset
SYSTEM_DelayMs(120);
}
else
SPI_ToggleMasterMode(&SPI0->CR, false);
ST7565_WriteByte(0xA2); // bias 9
ST7565_WriteByte(0xC0); // com normal
ST7565_WriteByte(0xA1); // reverse ?
ST7565_WriteByte(0xA6); // normal screen ?
// ST7565_WriteByte(0xA7); // inverse screen ?
ST7565_WriteByte(0xA4); // all points normal
ST7565_WriteByte(0x24); //
ST7565_WriteByte(0x81); // volume first ?
ST7565_WriteByte(0x1f); // contrast ?
ST7565_WriteByte(0x81); //
ST7565_WriteByte(contrast); // contrast ? 0 ~ 63
if (full)
{
ST7565_WriteByte(0x2B); // power control ?
SYSTEM_DelayMs(1);
ST7565_WriteByte(0x2E); // power control ?
SYSTEM_DelayMs(1);
ST7565_WriteByte(0x2F); //
ST7565_WriteByte(0x2F); //
ST7565_WriteByte(0x2F); //
ST7565_WriteByte(0x2F); //
SYSTEM_DelayMs(40);
}
ST7565_WriteByte(0x40); // start line ?
ST7565_WriteByte(0xAF); // display on ?
SPI_WaitForUndocumentedTxFifoStatusBit();
SPI_ToggleMasterMode(&SPI0->CR, true);
@ -209,7 +215,7 @@ void ST7565_HardwareReset(void)
SYSTEM_DelayMs(120);
}
void ST7565_SelectColumnAndLine(uint8_t Column, uint8_t Line)
void ST7565_SelectColumnAndLine(const uint8_t Column, const uint8_t Line)
{
GPIO_ClearBit(&GPIOB->DATA, GPIOB_PIN_ST7565_A0);
while ((SPI0->FIFOST & SPI_FIFOST_TFF_MASK) != SPI_FIFOST_TFF_BITS_NOT_FULL) {}
@ -221,9 +227,19 @@ void ST7565_SelectColumnAndLine(uint8_t Column, uint8_t Line)
SPI_WaitForUndocumentedTxFifoStatusBit();
}
void ST7565_WriteByte(uint8_t Value)
void ST7565_WriteByte(const uint8_t Value)
{
GPIO_ClearBit(&GPIOB->DATA, GPIOB_PIN_ST7565_A0);
while ((SPI0->FIFOST & SPI_FIFOST_TFF_MASK) != SPI_FIFOST_TFF_BITS_NOT_FULL) {}
SPI0->WDR = Value;
}
void ST7565_SetContrast(const uint8_t value)
{
contrast = (value <= 63) ? value : 63;
}
uint8_t ST7565_GetContrast(void)
{
return contrast;
}