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updated epd.c after lut fix

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This commit is contained in:
Jelmer
2023-02-09 21:57:44 +01:00
parent 7bcc326ff5
commit 5aab0423b8
1 changed files with 62 additions and 28 deletions
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90
tag_fw/epd.c
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@@ -11,6 +11,7 @@
#include "lut.h"
#include "printf.h"
#include "screen.h"
#include "settings.h"
#include "sleep.h"
#include "spi.h"
#include "timer.h"
@@ -73,16 +74,14 @@ static uint8_t __xdata rbuffer[32]; // used to rotate bits around
static uint16_t __xdata fontCurXpos = 0; // current X value we're working with
static uint16_t __xdata fontCurYpos = 0; // current Y value we're working with
static uint8_t __xdata currentLut = 0;
static uint8_t __xdata dispLutSize = 0;
static bool __xdata isInited = false;
uint8_t waveformbuffer[120];
#if (SCREEN_LUT_LENGTH == 10)
struct waveform10* __xdata waveform = (struct waveform10*)waveformbuffer; // holds the LUT/waveform
#endif
#if (SCREEN_LUT_LENGTH == 7)
struct waveform* __xdata waveform = (struct waveform*)waveformbuffer; // holds the LUT/waveform
#endif
#define LUT_BUFFER_SIZE 128
uint8_t waveformbuffer[LUT_BUFFER_SIZE];
struct waveform10* __xdata waveform10 = (struct waveform10*)waveformbuffer; // holds the LUT/waveform
struct waveform* __xdata waveform7 = (struct waveform*)waveformbuffer; // holds the LUT/waveform
#pragma callee_saves epdBusySleep
#pragma callee_saves epdBusyWait
@@ -239,7 +238,6 @@ static uint8_t epdGetStatus() {
return sta;
}
uint16_t epdGetBattery(void) {
uint16_t voltage = 2600;
uint8_t val;
@@ -283,7 +281,7 @@ void loadFixedTempOTPLUT() {
}
static void writeLut() {
commandBegin(CMD_WRITE_LUT);
for (uint8_t i = 0; i < (SCREEN_LUT_LENGTH * 10); i++)
for (uint8_t i = 0; i < (dispLutSize * 10); i++)
epdSend(waveformbuffer[i]);
commandEnd();
}
@@ -292,24 +290,56 @@ static void readLut() {
uint16_t checksum = 0;
uint16_t ident = 0;
uint16_t shortl = 0;
for (uint16_t c = 0; c < ((SCREEN_LUT_LENGTH * 10) + 6); c++) {
for (uint16_t c = 0; c < LUT_BUFFER_SIZE; c++) {
waveformbuffer[c] = epdReadByte();
}
commandReadEnd();
}
static uint8_t getLutSize() {
uint8_t ref = 0;
for (uint8_t c = (LUT_BUFFER_SIZE - 4); c > 16; c--) {
uint8_t check = waveformbuffer[c];
for (uint8_t d = 1; d < 4; d++) {
if (waveformbuffer[c + d] != check) {
ref = c;
goto end;
}
}
}
end:;
return ref + 1;
}
static void lutGroupDisable(uint8_t group) {
memset(&(waveform->group[group]), 0x00, 5);
if (dispLutSize == 7) {
memset(&(waveform7->group[group]), 0x00, 5);
} else {
memset(&(waveform10->group[group]), 0x00, 5);
}
}
static void lutGroupSpeedup(uint8_t group, uint8_t speed) {
for (uint8_t i = 0; i < 4; i++) {
waveform->group[group].phaselength[i] = 1 + (waveform->group[group].phaselength[i] / speed);
if (dispLutSize == 7) {
for (uint8_t i = 0; i < 4; i++) {
waveform7->group[group].phaselength[i] = 1 + (waveform7->group[group].phaselength[i] / speed);
}
} else {
for (uint8_t i = 0; i < 4; i++) {
waveform10->group[group].phaselength[i] = 1 + (waveform10->group[group].phaselength[i] / speed);
}
}
}
static void lutGroupRepeat(uint8_t group, uint8_t repeat) {
waveform->group[group].repeat = repeat;
if (dispLutSize == 7) {
waveform7->group[group].repeat = repeat;
} else {
waveform10->group[group].repeat = repeat;
}
}
static void lutGroupRepeatReduce(uint8_t group, uint8_t factor) {
waveform->group[group].repeat = waveform->group[group].repeat / factor;
if (dispLutSize == 7) {
waveform7->group[group].repeat = waveform7->group[group].repeat / factor;
} else {
waveform10->group[group].repeat = waveform10->group[group].repeat / factor;
}
}
void selectLUT(uint8_t lut) {
if (currentLut == lut) {
@@ -333,6 +363,15 @@ void selectLUT(uint8_t lut) {
// download the current LUT from the waveform buffer
readLut();
if (dispLutSize == 0) {
dispLutSize = getLutSize();
dispLutSize /= 10;
pr("lut size = %d\n", dispLutSize);
#ifdef PRINT_LUT
dump(waveformbuffer, LUT_BUFFER_SIZE);
#endif
}
switch (lut) {
case EPD_LUT_NO_REPEATS:
lutGroupDisable(LUTGROUP_NEGATIVE);
@@ -358,7 +397,7 @@ void selectLUT(uint8_t lut) {
lutGroupDisable(LUTGROUP_NEGATIVE);
lutGroupDisable(LUTGROUP_FASTBLINK);
lutGroupDisable(LUTGROUP_SLOWBLINK);
lutGroupRepeat(LUTGROUP_SET, 0);
lutGroupRepeat(LUTGROUP_SET, 1);
lutGroupSpeedup(LUTGROUP_SET, 2);
lutGroupDisable(LUTGROUP_IMPROVE_SHARPNESS);
lutGroupDisable(LUTGROUP_IMPROVE_REDS);
@@ -366,12 +405,12 @@ void selectLUT(uint8_t lut) {
break;
}
#if (SCREEN_LUT_LENGTH == 10)
lutGroupDisable(LUTGROUP_UNUSED);
lutGroupDisable(LUTGROUP_UNKNOWN);
lutGroupDisable(LUTGROUP_UNUSED3);
lutGroupDisable(LUTGROUP_UNUSED4);
#endif
if (dispLutSize == 10) {
lutGroupDisable(LUTGROUP_UNUSED);
lutGroupDisable(LUTGROUP_UNKNOWN);
lutGroupDisable(LUTGROUP_UNUSED3);
lutGroupDisable(LUTGROUP_UNUSED4);
}
writeLut();
}
@@ -746,9 +785,4 @@ void readRam() {
epdSend(blockXferBuffer[c]);
}
commandEnd();
}
void lutTest() {
readLut();
dump((uint8_t*)&waveform, 96);
}
}