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Improved OSD & displayPort initialisation. Allowed nested screen grabbing

This commit is contained in:
Martin Budden 2016-11-16 14:27:59 +00:00
parent 9a62b04699
commit 7c8d1967d0
9 changed files with 153 additions and 124 deletions
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21
src/main/drivers/display.c
View File

@ -45,19 +45,25 @@ void displayGrab(displayPort_t *instance)
{
instance->vTable->grab(instance);
instance->vTable->clearScreen(instance);
instance->isGrabbed = true;
++instance->grabCount;
}
void displayRelease(displayPort_t *instance)
{
instance->vTable->release(instance);
instance->isGrabbed = false;
--instance->grabCount;
}
void displayReleaseAll(displayPort_t *instance)
{
instance->vTable->release(instance);
instance->grabCount = 0;
}
bool displayIsGrabbed(const displayPort_t *instance)
{
// can be called before initialised
return (instance && instance->isGrabbed);
return (instance && instance->grabCount > 0);
}
int displayWrite(displayPort_t *instance, uint8_t x, uint8_t y, const char *s)
@ -90,3 +96,12 @@ uint16_t displayTxBytesFree(const displayPort_t *instance)
return instance->vTable->txBytesFree(instance);
}
void displayInit(displayPort_t *instance, const displayPortVTable_t *vTable)
{
instance->vTable = vTable;
instance->vTable->clearScreen(instance);
instance->cleared = true;
instance->grabCount = 0;
instance->cursorRow = -1;
}

4
src/main/drivers/display.h
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@ -26,7 +26,7 @@ typedef struct displayPort_s {
// CMS state
bool cleared;
int8_t cursorRow;
bool isGrabbed;
int8_t grabCount;
} displayPort_t;
typedef struct displayPortVTable_s {
@ -45,6 +45,7 @@ typedef struct displayPortVTable_s {
void displayGrab(displayPort_t *instance);
void displayRelease(displayPort_t *instance);
void displayReleaseAll(displayPort_t *instance);
bool displayIsGrabbed(const displayPort_t *instance);
void displayClearScreen(displayPort_t *instance);
void displayDrawScreen(displayPort_t *instance);
@ -55,3 +56,4 @@ bool displayIsTransferInProgress(const displayPort_t *instance);
void displayHeartbeat(displayPort_t *instance);
void displayResync(displayPort_t *instance);
uint16_t displayTxBytesFree(const displayPort_t *instance);
void displayInit(displayPort_t *instance, const displayPortVTable_t *vTable);

116
src/main/drivers/max7456.c
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@ -37,6 +37,122 @@
#include "max7456.h"
#include "max7456_symbols.h"
//MAX7456 opcodes
#define DMM_REG 0x04
#define DMAH_REG 0x05
#define DMAL_REG 0x06
#define DMDI_REG 0x07
#define VM0_REG 0x00
#define VM1_REG 0x01
// video mode register 0 bits
#define VIDEO_BUFFER_DISABLE 0x01
#define MAX7456_RESET 0x02
#define VERTICAL_SYNC_NEXT_VSYNC 0x04
#define OSD_ENABLE 0x08
#define SYNC_MODE_AUTO 0x00
#define SYNC_MODE_INTERNAL 0x30
#define SYNC_MODE_EXTERNAL 0x20
#define VIDEO_MODE_PAL 0x40
#define VIDEO_MODE_NTSC 0x00
// video mode register 1 bits
// duty cycle is on_off
#define BLINK_DUTY_CYCLE_50_50 0x00
#define BLINK_DUTY_CYCLE_33_66 0x01
#define BLINK_DUTY_CYCLE_25_75 0x02
#define BLINK_DUTY_CYCLE_75_25 0x03
// blinking time
#define BLINK_TIME_0 0x00
#define BLINK_TIME_1 0x04
#define BLINK_TIME_2 0x08
#define BLINK_TIME_3 0x0C
// background mode brightness (percent)
#define BACKGROUND_BRIGHTNESS_0 0x00
#define BACKGROUND_BRIGHTNESS_7 0x01
#define BACKGROUND_BRIGHTNESS_14 0x02
#define BACKGROUND_BRIGHTNESS_21 0x03
#define BACKGROUND_BRIGHTNESS_28 0x04
#define BACKGROUND_BRIGHTNESS_35 0x05
#define BACKGROUND_BRIGHTNESS_42 0x06
#define BACKGROUND_BRIGHTNESS_49 0x07
#define BACKGROUND_MODE_GRAY 0x40
//MAX7456 commands
#define CLEAR_DISPLAY 0x04
#define CLEAR_DISPLAY_VERT 0x06
#define END_STRING 0xff
#define MAX7456ADD_VM0 0x00 //0b0011100// 00 // 00 ,0011100
#define MAX7456ADD_VM1 0x01
#define MAX7456ADD_HOS 0x02
#define MAX7456ADD_VOS 0x03
#define MAX7456ADD_DMM 0x04
#define MAX7456ADD_DMAH 0x05
#define MAX7456ADD_DMAL 0x06
#define MAX7456ADD_DMDI 0x07
#define MAX7456ADD_CMM 0x08
#define MAX7456ADD_CMAH 0x09
#define MAX7456ADD_CMAL 0x0a
#define MAX7456ADD_CMDI 0x0b
#define MAX7456ADD_OSDM 0x0c
#define MAX7456ADD_RB0 0x10
#define MAX7456ADD_RB1 0x11
#define MAX7456ADD_RB2 0x12
#define MAX7456ADD_RB3 0x13
#define MAX7456ADD_RB4 0x14
#define MAX7456ADD_RB5 0x15
#define MAX7456ADD_RB6 0x16
#define MAX7456ADD_RB7 0x17
#define MAX7456ADD_RB8 0x18
#define MAX7456ADD_RB9 0x19
#define MAX7456ADD_RB10 0x1a
#define MAX7456ADD_RB11 0x1b
#define MAX7456ADD_RB12 0x1c
#define MAX7456ADD_RB13 0x1d
#define MAX7456ADD_RB14 0x1e
#define MAX7456ADD_RB15 0x1f
#define MAX7456ADD_OSDBL 0x6c
#define MAX7456ADD_STAT 0xA0
#define NVM_RAM_SIZE 54
#define WRITE_NVR 0xA0
#define STATUS_REG_NVR_BUSY 0x20
/** Line multiples, for convenience & one less op at runtime **/
#define LINE 30
#define LINE01 0
#define LINE02 30
#define LINE03 60
#define LINE04 90
#define LINE05 120
#define LINE06 150
#define LINE07 180
#define LINE08 210
#define LINE09 240
#define LINE10 270
#define LINE11 300
#define LINE12 330
#define LINE13 360
#define LINE14 390
#define LINE15 420
#define LINE16 450
//on shared SPI buss we want to change clock for OSD chip and restore for other devices
#ifdef MAX7456_SPI_CLK
#define ENABLE_MAX7456 {spiSetDivisor(MAX7456_SPI_INSTANCE, MAX7456_SPI_CLK);IOLo(max7456CsPin);}

108
src/main/drivers/max7456.h
View File

@ -26,114 +26,6 @@
#define BWBRIGHTNESS ((BLACKBRIGHTNESS << 2) | WHITEBRIGHTNESS)
//MAX7456 opcodes
#define DMM_REG 0x04
#define DMAH_REG 0x05
#define DMAL_REG 0x06
#define DMDI_REG 0x07
#define VM0_REG 0x00
#define VM1_REG 0x01
// video mode register 0 bits
#define VIDEO_BUFFER_DISABLE 0x01
#define MAX7456_RESET 0x02
#define VERTICAL_SYNC_NEXT_VSYNC 0x04
#define OSD_ENABLE 0x08
#define SYNC_MODE_AUTO 0x00
#define SYNC_MODE_INTERNAL 0x30
#define SYNC_MODE_EXTERNAL 0x20
#define VIDEO_MODE_PAL 0x40
#define VIDEO_MODE_NTSC 0x00
// video mode register 1 bits
// duty cycle is on_off
#define BLINK_DUTY_CYCLE_50_50 0x00
#define BLINK_DUTY_CYCLE_33_66 0x01
#define BLINK_DUTY_CYCLE_25_75 0x02
#define BLINK_DUTY_CYCLE_75_25 0x03
// blinking time
#define BLINK_TIME_0 0x00
#define BLINK_TIME_1 0x04
#define BLINK_TIME_2 0x08
#define BLINK_TIME_3 0x0C
// background mode brightness (percent)
#define BACKGROUND_BRIGHTNESS_0 0x00
#define BACKGROUND_BRIGHTNESS_7 0x01
#define BACKGROUND_BRIGHTNESS_14 0x02
#define BACKGROUND_BRIGHTNESS_21 0x03
#define BACKGROUND_BRIGHTNESS_28 0x04
#define BACKGROUND_BRIGHTNESS_35 0x05
#define BACKGROUND_BRIGHTNESS_42 0x06
#define BACKGROUND_BRIGHTNESS_49 0x07
#define BACKGROUND_MODE_GRAY 0x40
//MAX7456 commands
#define CLEAR_DISPLAY 0x04
#define CLEAR_DISPLAY_VERT 0x06
#define END_STRING 0xff
#define MAX7456ADD_VM0 0x00 //0b0011100// 00 // 00 ,0011100
#define MAX7456ADD_VM1 0x01
#define MAX7456ADD_HOS 0x02
#define MAX7456ADD_VOS 0x03
#define MAX7456ADD_DMM 0x04
#define MAX7456ADD_DMAH 0x05
#define MAX7456ADD_DMAL 0x06
#define MAX7456ADD_DMDI 0x07
#define MAX7456ADD_CMM 0x08
#define MAX7456ADD_CMAH 0x09
#define MAX7456ADD_CMAL 0x0a
#define MAX7456ADD_CMDI 0x0b
#define MAX7456ADD_OSDM 0x0c
#define MAX7456ADD_RB0 0x10
#define MAX7456ADD_RB1 0x11
#define MAX7456ADD_RB2 0x12
#define MAX7456ADD_RB3 0x13
#define MAX7456ADD_RB4 0x14
#define MAX7456ADD_RB5 0x15
#define MAX7456ADD_RB6 0x16
#define MAX7456ADD_RB7 0x17
#define MAX7456ADD_RB8 0x18
#define MAX7456ADD_RB9 0x19
#define MAX7456ADD_RB10 0x1a
#define MAX7456ADD_RB11 0x1b
#define MAX7456ADD_RB12 0x1c
#define MAX7456ADD_RB13 0x1d
#define MAX7456ADD_RB14 0x1e
#define MAX7456ADD_RB15 0x1f
#define MAX7456ADD_OSDBL 0x6c
#define MAX7456ADD_STAT 0xA0
#define NVM_RAM_SIZE 54
#define WRITE_NVR 0xA0
#define STATUS_REG_NVR_BUSY 0x20
/** Line multiples, for convenience & one less op at runtime **/
#define LINE 30
#define LINE01 0
#define LINE02 30
#define LINE03 60
#define LINE04 90
#define LINE05 120
#define LINE06 150
#define LINE07 180
#define LINE08 210
#define LINE09 240
#define LINE10 270
#define LINE11 300
#define LINE12 330
#define LINE13 360
#define LINE14 390
#define LINE15 420
#define LINE16 450
/** PAL or NTSC, value is number of chars total */
#define VIDEO_BUFFER_CHARS_NTSC 390
#define VIDEO_BUFFER_CHARS_PAL 480

3
src/main/fc/fc_msp.c
View File

@ -1552,7 +1552,10 @@ static mspResult_e mspFcProcessInCommand(uint8_t cmdMSP, sbuf_t *src)
for (int i = 0; i < 54; i++) {
font_data[i] = sbufReadU8(src);
}
#ifdef USE_MAX7456
// !!TODO - replace this with a device independent implementation
max7456WriteNvm(addr, font_data);
#endif
break;
#endif

7
src/main/io/displayport_max7456.c
View File

@ -37,7 +37,6 @@ static int grab(displayPort_t *displayPort)
{
UNUSED(displayPort);
osdResetAlarms();
displayPort->isGrabbed = true;
refreshTimeout = 0;
return 0;
@ -46,7 +45,6 @@ static int grab(displayPort_t *displayPort)
static int release(displayPort_t *displayPort)
{
UNUSED(displayPort);
displayPort->isGrabbed = false;
return 0;
}
@ -119,7 +117,7 @@ static uint32_t txBytesFree(const displayPort_t *displayPort)
return UINT32_MAX;
}
static displayPortVTable_t max7456VTable = {
static const displayPortVTable_t max7456VTable = {
.grab = grab,
.release = release,
.clearScreen = clearScreen,
@ -135,9 +133,8 @@ static displayPortVTable_t max7456VTable = {
displayPort_t *max7456DisplayPortInit(uint8_t system)
{
max7456DisplayPort.vTable = &max7456VTable;
displayInit(&max7456DisplayPort, &max7456VTable);
max7456Init(system);
max7456DisplayPort.isGrabbed = false;
resync(&max7456DisplayPort);
return &max7456DisplayPort;
}

10
src/main/io/displayport_msp.c
View File

@ -42,16 +42,17 @@ static int output(displayPort_t *displayPort, uint8_t cmd, const uint8_t *buf, i
return mspSerialPush(cmd, buf, len);
}
static int grab(displayPort_t *displayPort)
static int heartbeat(displayPort_t *displayPort)
{
const uint8_t subcmd[] = { 0 };
// ensure display is not released by MW OSD software
return output(displayPort, MSP_DISPLAYPORT, subcmd, sizeof(subcmd));
}
static int heartbeat(displayPort_t *displayPort)
static int grab(displayPort_t *displayPort)
{
return grab(displayPort); // ensure display is not released by MW OSD software
return heartbeat(displayPort);
}
static int release(displayPort_t *displayPort)
@ -141,8 +142,7 @@ static const displayPortVTable_t mspDisplayPortVTable = {
displayPort_t *displayPortMspInit(void)
{
mspDisplayPort.vTable = &mspDisplayPortVTable;
mspDisplayPort.isGrabbed = false;
displayInit(&mspDisplayPort, &mspDisplayPortVTable);
resync(&mspDisplayPort);
return &mspDisplayPort;
}

3
src/main/io/displayport_oled.c
View File

@ -112,9 +112,8 @@ static const displayPortVTable_t oledVTable = {
displayPort_t *displayPortOledInit(void)
{
oledDisplayPort.vTable = &oledVTable;
displayInit(&oledDisplayPort, &oledVTable);
oledDisplayPort.rows = SCREEN_CHARACTER_ROW_COUNT;
oledDisplayPort.cols = SCREEN_CHARACTER_COLUMN_COUNT;
oledDisplayPort.isGrabbed = false;
return &oledDisplayPort;
}

5
src/main/main.c
View File

@ -407,7 +407,12 @@ void init(void)
#ifdef OSD
if (feature(FEATURE_OSD)) {
#ifdef USE_MAX7456
// if there is a max7456 chip for the OSD then use it, otherwise use MSP
displayPort_t *osdDisplayPort = max7456DisplayPortInit(masterConfig.osdProfile.video_system);
#else
displayPort_t *osdDisplayPort = displayPortMspInit();
#endif
osdInit(osdDisplayPort);
}
#endif