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Adding compander

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OneOfEleven
2023-09-15 10:57:26 +01:00
parent 2fe8cd3757
commit cc36482580
16 changed files with 113 additions and 32 deletions
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40
driver/st7565.c
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@ -23,6 +23,9 @@
#include "driver/st7565.h"
#include "driver/system.h"
#define LCD_WIDTH 128
#define LCD_HEIGHT 64
uint8_t gStatusLine[128];
uint8_t gFrameBuffer[7][128];
@ -96,7 +99,7 @@ void ST7565_BlitStatusLine(void)
SPI_ToggleMasterMode(&SPI0->CR, false);
ST7565_WriteByte(0x40);
ST7565_WriteByte(0x40); // start line ?
ST7565_SelectColumnAndLine(4, 0);
@ -141,36 +144,35 @@ void ST7565_Init(void)
SPI_ToggleMasterMode(&SPI0->CR, false);
// RESET command
ST7565_WriteByte(0xE2);
ST7565_WriteByte(0xE2); // internal reset
SYSTEM_DelayMs(120);
ST7565_WriteByte(0xA2);
ST7565_WriteByte(0xC0);
ST7565_WriteByte(0xA1);
ST7565_WriteByte(0xA6);
ST7565_WriteByte(0xA4);
ST7565_WriteByte(0x24);
ST7565_WriteByte(0x81);
ST7565_WriteByte(0x1F);
ST7565_WriteByte(0x2B);
ST7565_WriteByte(0xA2); // bias 9
ST7565_WriteByte(0xC0); // com normal
ST7565_WriteByte(0xA1); // reverse ?
ST7565_WriteByte(0xA6); // normal ?
ST7565_WriteByte(0xA4); // all points normal
ST7565_WriteByte(0x24); //
ST7565_WriteByte(0x81); // volume first ?
ST7565_WriteByte(0x1f); // contrast ?
ST7565_WriteByte(0x2B); // power control ?
SYSTEM_DelayMs(1);
ST7565_WriteByte(0x2E);
ST7565_WriteByte(0x2E); // power control ?
SYSTEM_DelayMs(1);
ST7565_WriteByte(0x2F);
ST7565_WriteByte(0x2F);
ST7565_WriteByte(0x2F);
ST7565_WriteByte(0x2F);
ST7565_WriteByte(0x2F); //
ST7565_WriteByte(0x2F); //
ST7565_WriteByte(0x2F); //
ST7565_WriteByte(0x2F); //
SYSTEM_DelayMs(40);
ST7565_WriteByte(0x40);
ST7565_WriteByte(0xAF);
ST7565_WriteByte(0x40); // start line ?
ST7565_WriteByte(0xAF); // display on ?
SPI_WaitForUndocumentedTxFifoStatusBit();