// Setup
inline void LED_setup()
{
// Register Scan CLI dictionary
CLI_registerDictionary( ledCLIDict, ledCLIDictName );
// Initialize I2C
I2C_setup();
// Zero out Frame Registers
// This needs to be done before disabling the hardware shutdown (or the leds will do undefined things)
LED_zeroPages( 0x0B, 1, 0x00, 0x0C ); // Control Registers
// Disable Hardware shutdown of ISSI chip (pull high)
GPIOB_PDDR |= (1<<16);
PORTB_PCR16 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
GPIOB_PSOR |= (1<<16);
// Clear LED Pages
LED_zeroPages( 0x00, 8, 0x00, 0xB4 ); // LED Registers
// Enable LEDs based upon mask
LED_sendPage( (uint8_t*)LED_ledEnableMask1, sizeof( LED_ledEnableMask1 ), 0 );
// Set default brightness
LED_sendPage( (uint8_t*)LED_defaultBrightness1, sizeof( LED_defaultBrightness1 ), 0 );
// Do not disable software shutdown of ISSI chip unless current is high enough
// Require at least 150 mA
// May be enabled/disabled at a later time
if ( Output_current_available() >= 150 )
{
// Disable Software shutdown of ISSI chip
LED_writeReg( 0x0A, 0x01, 0x0B );
}
}
// Setup
inline void LED_setup()
{
// Register Scan CLI dictionary
CLI_registerDictionary( ledCLIDict, ledCLIDictName );
// Initialize I2C
I2C_setup();
// Zero out Frame Registers
// This needs to be done before disabling the hardware shutdown (or the leds will do undefined things)
LED_zeroPages( 0x0B, 1, 0x00, 0x0C ); // Control Registers
// Disable Hardware shutdown of ISSI chip (pull high)
GPIOB_PDDR |= (1<<16);
PORTB_PCR16 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
GPIOB_PSOR |= (1<<16);
// Clear LED Pages
LED_zeroPages( 0x00, 8, 0x00, 0xB4 ); // LED Registers
// Enable LEDs based upon mask
LED_sendPage( (uint8_t*)LED_ledEnableMask, sizeof( LED_ledEnableMask ), 0 );
// Disable Software shutdown of ISSI chip
LED_writeReg( 0x0A, 0x01, 0x0B );
}
void my_LED_write_page( uint16_t *brightness, uint32_t len, uint8_t page ) {
int ch = 0;
uint8_t bus = LED_ChannelMapping[ ch ].bus;
uint8_t addr = LED_ChannelMapping[ ch ].addr;
LED_sendPage( bus, addr, brightness, len, page );
delay_ms( 30 ); // wait 30[ms]
} // my_LED_write_page
void cliFunc_ledStart( char* args )
{
print( NL ); // No \r\n by default after the command is entered
LED_zeroPages( 0x0B, 1, 0x00, 0x0C ); // Control Registers
//LED_zeroPages( 0x00, 8, 0x00, 0xB4 ); // LED Registers
LED_writeReg( 0x0A, 0x01, 0x0B );
LED_sendPage( (uint8_t*)LED_ledEnableMask1, sizeof( LED_ledEnableMask1 ), 0 );
}
void LED_control( LedControl *control )
{
// Only send if we've completed all other transactions
/*
if ( I2C_TxBuffer.sequencePos > 0 )
return;
*/
// Configure based upon the given mode
// TODO Perhaps do gamma adjustment?
switch ( control->mode )
{
case LedControlMode_brightness_decrease:
// Don't worry about rolling over, the cycle is quick
LED_pageBuffer.buffer[ control->index ] -= control->amount;
break;
case LedControlMode_brightness_increase:
// Don't worry about rolling over, the cycle is quick
LED_pageBuffer.buffer[ control->index ] += control->amount;
break;
case LedControlMode_brightness_set:
LED_pageBuffer.buffer[ control->index ] = control->amount;
break;
case LedControlMode_brightness_decrease_all:
for ( uint8_t channel = 0; channel < LED_TotalChannels; channel++ )
{
// Don't worry about rolling over, the cycle is quick
LED_pageBuffer.buffer[ channel ] -= control->amount;
}
break;
case LedControlMode_brightness_increase_all:
for ( uint8_t channel = 0; channel < LED_TotalChannels; channel++ )
{
// Don't worry about rolling over, the cycle is quick
LED_pageBuffer.buffer[ channel ] += control->amount;
}
break;
case LedControlMode_brightness_set_all:
for ( uint8_t channel = 0; channel < LED_TotalChannels; channel++ )
{
LED_pageBuffer.buffer[ channel ] = control->amount;
}
break;
}
// Sync LED buffer with ISSI chip buffer
// TODO Support multiple frames
LED_pageBuffer.i2c_addr = 0xE8; // Chip 1
LED_pageBuffer.reg_addr = 0x24; // Brightness section
LED_sendPage( (uint8_t*)&LED_pageBuffer, sizeof( LED_Buffer ), 0 );
}
void LED_reset()
{
// Force PixelMap to stop during reset
Pixel_FrameState = FrameState_Sending;
// Disable FPS by default
LED_displayFPS = 0;
// Enable Hardware shutdown (pull low)
GPIO_Ctrl( hardware_shutdown_pin, GPIO_Type_DriveSetup, GPIO_Config_Pullup );
GPIO_Ctrl( hardware_shutdown_pin, GPIO_Type_DriveLow, GPIO_Config_Pullup );
delay_us(50);
#if ISSI_Chip_31FL3733_define == 1 || ISSI_Chip_31FL3736_define == 1
// Reset I2C bus
GPIO_Ctrl( iirst_pin, GPIO_Type_DriveSetup, GPIO_Config_Pullup );
GPIO_Ctrl( iirst_pin, GPIO_Type_DriveHigh, GPIO_Config_Pullup );
delay_us(50);
GPIO_Ctrl( iirst_pin, GPIO_Type_DriveLow, GPIO_Config_Pullup );
#endif
// Disable Hardware shutdown of ISSI chips (pull high)
if ( LED_enable && LED_enable_current )
{
GPIO_Ctrl( hardware_shutdown_pin, GPIO_Type_DriveHigh, GPIO_Config_Pullup );
}
// Clear LED Pages
// Enable LEDs based upon mask
for ( uint8_t ch = 0; ch < ISSI_Chips_define; ch++ )
{
uint8_t addr = LED_ChannelMapping[ ch ].addr;
uint8_t bus = LED_ChannelMapping[ ch ].bus;
#if ISSI_Chip_31FL3733_define == 1 || ISSI_Chip_31FL3736_define == 1
// POR (Power-on-Reset)
// Clears all registers to default value (i.e. zeros)
LED_readReg( bus, addr, 0x11, ISSI_ConfigPage );
// Set the enable mask
LED_sendPage(
bus,
addr,
(uint16_t*)&LED_ledEnableMask[ ch ],
sizeof( LED_EnableBuffer ) / 2,
0
);
#else
// Clear LED control pages
LED_zeroPages( bus, addr, 0x00, ISSI_LEDPages, 0x00, ISSI_PageLength ); // LED Registers
// Copy enable mask to send buffer
for ( uint8_t reg = 0; reg < LED_EnableBufferLength; reg++ )
{
LED_pageBuffer[ ch ].ledctrl[ reg ] = LED_ledEnableMask[ ch ].buffer[ reg ];
}
#endif
}
// Reset global brightness
LED_brightness = settings.brightness;
#if ISSI_Chip_31FL3733_define == 1 || ISSI_Chip_31FL3736_define == 1
// Enable pull-up and pull-down anti-ghosting resistors
// Set global brightness control
for ( uint8_t ch = 0; ch < ISSI_Chips_define; ch++ )
{
uint8_t addr = LED_ChannelMapping[ ch ].addr;
uint8_t bus = LED_ChannelMapping[ ch ].bus;
LED_writeReg( bus, addr, 0x01, LED_brightness, ISSI_ConfigPage );
LED_writeReg( bus, addr, 0x0F, 0x07, ISSI_ConfigPage ); // Pull-up
LED_writeReg( bus, addr, 0x10, 0x07, ISSI_ConfigPage ); // Pull-down
}
#elif ISSI_Chip_31FL3732_define == 1
// Set global brightness control
for ( uint8_t ch = 0; ch < ISSI_Chips_define; ch++ )
{
uint8_t addr = LED_ChannelMapping[ ch ].addr;
uint8_t bus = LED_ChannelMapping[ ch ].bus;
LED_writeReg( bus, addr, 0x04, LED_brightness, ISSI_ConfigPage );
}
#endif
// Setup ISSI frame and sync modes; then disable software shutdown
for ( uint8_t ch = 0; ch < ISSI_Chips_define; ch++ )
{
uint8_t addr = LED_ChannelMapping[ ch ].addr;
uint8_t bus = LED_ChannelMapping[ ch ].bus;
#if ISSI_Chip_31FL3733_define == 1 || ISSI_Chip_31FL3736_define == 1
// Enable master sync for the last chip and disable software shutdown
// XXX (HaaTa); The last chip is used as it is the last chip all of the frame data is sent to
// This is imporant as it may take more time to send the packet than the ISSI chip can handle
// between frames.
if ( ch == ISSI_Chips_define - 1 )
{
LED_writeReg( bus, addr, 0x00, 0x41, ISSI_ConfigPage );
}
// Slave sync for the rest and disable software shutdown
else
{
LED_writeReg( bus, addr, 0x00, 0x81, ISSI_ConfigPage );
}
#elif ISSI_Chip_31FL3732_define == 1
// Enable master sync for the first chip
if ( ch == 0 )
{
LED_writeReg( bus, addr, 0x00, 0x40, ISSI_ConfigPage );
}
// Slave sync for the rest
else
{
LED_writeReg( bus, addr, 0x00, 0x80, ISSI_ConfigPage );
}
// Disable Software shutdown of ISSI chip
LED_writeReg( bus, addr, 0x0A, 0x01, ISSI_ConfigPage );
#else
// Set MODE to Picture Frame
LED_writeReg( bus, addr, 0x00, 0x00, ISSI_ConfigPage );
// Disable Software shutdown of ISSI chip
LED_writeReg( bus, addr, 0x0A, 0x01, ISSI_ConfigPage );
#endif
}
// Force PixelMap to be ready for the next frame
Pixel_FrameState = FrameState_Update;
// Un-pause ISSI processing
LED_pause = 0;
}
void cliFunc_ledTest( char* args )
{
print( NL ); // No \r\n by default after the command is entered
LED_sendPage( (uint8_t*)LED_defaultBrightness1, sizeof( LED_defaultBrightness1 ), 0 );
}
void cliFunc_ledTest( char* args )
{
print( NL ); // No \r\n by default after the command is entered
LED_sendPage( (uint8_t*)examplePage, sizeof( examplePage ), 0 );
}
void LED_reset()
{
// Force PixelMap to stop during reset
Pixel_FrameState = FrameState_Sending;
// Disable FPS by default
LED_displayFPS = 0;
#if ISSI_Chip_31FL3733_define == 1
// Reset I2C bus
GPIOC_PSOR |= (1<<5);
delay_us(200);
GPIOC_PCOR |= (1<<5);
#endif
// Clear LED Pages
// Enable LEDs based upon mask
for ( uint8_t ch = 0; ch < ISSI_Chips_define; ch++ )
{
uint8_t addr = LED_ChannelMapping[ ch ].addr;
uint8_t bus = LED_ChannelMapping[ ch ].bus;
#if ISSI_Chip_31FL3733_define == 1
// POR (Power-on-Reset)
// Clears all registers to default value (i.e. zeros)
LED_readReg( bus, addr, 0x11, ISSI_ConfigPage );
#else
// Clear LED control pages
LED_zeroPages( bus, addr, 0x00, ISSI_LEDPages, 0x00, ISSI_PageLength ); // LED Registers
#endif
// Set the enable mask
LED_sendPage(
bus,
addr,
(uint16_t*)&LED_ledEnableMask[ ch ],
sizeof( LED_EnableBuffer ) / 2,
0
);
}
#if ISSI_Chip_31FL3733_define == 1
// Enable pull-up and pull-down anti-ghosting resistors
// Set global brightness control
for ( uint8_t ch = 0; ch < ISSI_Chips_define; ch++ )
{
uint8_t addr = LED_ChannelMapping[ ch ].addr;
uint8_t bus = LED_ChannelMapping[ ch ].bus;
LED_writeReg( bus, addr, 0x01, LED_brightness, ISSI_ConfigPage );
LED_writeReg( bus, addr, 0x0F, 0x07, ISSI_ConfigPage ); // Pull-up
LED_writeReg( bus, addr, 0x10, 0x07, ISSI_ConfigPage ); // Pull-down
}
#elif ISSI_Chip_31FL3732_define == 1
// Set global brightness control
for ( uint8_t ch = 0; ch < ISSI_Chips_define; ch++ )
{
uint8_t addr = LED_ChannelMapping[ ch ].addr;
uint8_t bus = LED_ChannelMapping[ ch ].bus;
LED_writeReg( bus, addr, 0x04, LED_brightness, ISSI_ConfigPage );
}
#endif
// Setup ISSI frame and sync modes; then disable software shutdown
for ( uint8_t ch = 0; ch < ISSI_Chips_define; ch++ )
{
uint8_t addr = LED_ChannelMapping[ ch ].addr;
uint8_t bus = LED_ChannelMapping[ ch ].bus;
#if ISSI_Chip_31FL3733_define == 1
// Enable master sync for the first chip and disable software shutdown
if ( ch == 0 )
{
LED_writeReg( bus, addr, 0x00, 0x41, ISSI_ConfigPage );
}
// Slave sync for the rest and disable software shutdown
else
{
LED_writeReg( bus, addr, 0x00, 0x81, ISSI_ConfigPage );
}
#elif ISSI_Chip_31FL3732_define == 1
// Enable master sync for the first chip
if ( ch == 0 )
{
LED_writeReg( bus, addr, 0x00, 0x40, ISSI_ConfigPage );
}
// Slave sync for the rest
else
{
LED_writeReg( bus, addr, 0x00, 0x80, ISSI_ConfigPage );
}
// Disable Software shutdown of ISSI chip
LED_writeReg( bus, addr, 0x0A, 0x01, ISSI_ConfigPage );
#else
// Set MODE to Picture Frame
LED_writeReg( bus, addr, 0x00, 0x00, ISSI_ConfigPage );
// Disable Software shutdown of ISSI chip
LED_writeReg( bus, addr, 0x0A, 0x01, ISSI_ConfigPage );
#endif
}
// Force PixelMap to be ready for the next frame
Pixel_FrameState = FrameState_Update;
// Un-pause ISSI processing
LED_pause = 0;
}
