void ADS7846_wr_spi(uint_least8_t data)
{
#if defined(SOFTWARE_SPI)
ti_lib_ioc_pin_type_gpio_output(BOARD_IOID_SPI_MOSI);
for (uint_least8_t mask = 0x80; mask != 0; mask >>= 1) {
SCK_LOW();
if (mask & data) {
MOSI_HIGH();
} else {
MOSI_LOW();
}
ADS7846_delay_ms(1);
SCK_HIGH();
ADS7846_delay_ms(1);
}
SCK_LOW();
ADS7846_delay_ms(1);
SCK_HIGH();
ADS7846_delay_ms(1);
SCK_LOW();
#else
SPI.transfer(data);
#endif
return;
}
uint_least8_t ADS7846_rd_spi(void)
{
#if defined(SOFTWARE_SPI)
ti_lib_ioc_pin_type_gpio_input(BOARD_IOID_SPI_MOSI);
uint_least8_t data = 0;
MOSI_LOW();
for (uint_least8_t bit = 8; bit != 0; bit--) {
ADS7846_delay_ms(1);
SCK_HIGH();
ADS7846_delay_ms(1);
data <<= 1;
if (MISO_READ()) {
data |= 1;
} else {
//data |= 0;
}
SCK_LOW();
}
return data;
#else
return SPI.transfer(0x00);
#endif
}
uchar ispEnterProgrammingMode()
{
uchar check;
uchar count = 32 ;
while (count--)
{
ispTransmit(0xAC) ;
ispTransmit(0x53) ;
check = ispTransmit(0) ;
ispTransmit(0) ;
if (check == 0x53)
{
return 0;
}
/* pulse SCK */
SCK_HIGH() ; /* SCK high */
ispDelay();
SCK_LOW() ; /* SCK low */
ispDelay();
}
return 1; /* error: device dosn't answer */
}
uchar ispTransmit(uchar send_byte)
{
uchar rec_byte = 0;
uchar i;
for (i = 0; i < 8; i++) {
/* set MSB to MOSI-pin */
if ((send_byte & 0x80) != 0)
{
MOSI_HIGH() ; /* MOSI high */
}
else
{
MOSI_LOW() ; /* MOSI low */
}
/* shift to next bit */
send_byte = send_byte << 1;
/* receive data */
rec_byte = rec_byte << 1;
if (READ_MISO() != 0) {
rec_byte++;
}
/* pulse SCK */
SCK_HIGH() ; /* SCK high */
ispDelay() ;
SCK_LOW() ; /* SCK low */
ispDelay() ;
}
return rec_byte;
}
void DAC8760::wr_spi(uint_least8_t data)
{
#if defined(SOFTWARE_SPI)
for(uint_least8_t mask=0x80; mask!=0; mask>>=1)
{
SCK_LOW();
if(mask & data)
{
MOSI_HIGH();
}
else
{
MOSI_LOW();
}
SCK_HIGH();
}
SCK_LOW();
#else
SPI.transfer(data);
#endif
return;
}
void MI0283QT9::draw(uint_least16_t color)
{
#if defined(LCD_8BIT_SPI)
// RS_HIGH(); //data
# else
//9th bit
MOSI_HIGH(); //data
SCK_LOW();
# if !defined(SOFTWARE_SPI) && (defined(__AVR__) || defined(ARDUINO_ARCH_AVR))
SPCR &= ~(1<<SPE); //disable SPI
SCK_HIGH();
SPCR |= (1<<SPE); //enable SPI
# else
SCK_HIGH();
# endif
#endif
wr_spi(color>>8);
#if defined(LCD_8BIT_SPI)
// RS_HIGH(); //data
# else
//9th bit
MOSI_HIGH(); //data
SCK_LOW();
# if !defined(SOFTWARE_SPI) && (defined(__AVR__) || defined(ARDUINO_ARCH_AVR))
SPCR &= ~(1<<SPE); //disable SPI
SCK_HIGH();
SPCR |= (1<<SPE); //enable SPI
# else
SCK_HIGH();
# endif
#endif
wr_spi(color);
return;
}
void ispConnect()
{
init_hw_timer() ;
/* all ISP pins are inputs before */
/* now set output pins */
RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN ; // Enable portA clock
RCC->AHB1ENR |= RCC_AHB1ENR_GPIOBEN ; // Enable portB clock
RCC->AHB1ENR |= RCC_AHB1ENR_GPIOCEN ; // Enable portC clock
configure_pins( GPIO_Pin_M64_RST, PIN_OUTPUT | PIN_PUSHPULL | PIN_OS25 | PIN_PORTC ) ;
configure_pins( GPIO_Pin_M64_SCK, PIN_OUTPUT | PIN_PUSHPULL | PIN_OS25 | PIN_PORTA ) ;
configure_pins( GPIO_Pin_M64_MOSI, PIN_OUTPUT | PIN_PUSHPULL | PIN_OS25 | PIN_PORTB ) ;
/* reset device */
RST_LOW() ; /* RST low */
SCK_LOW() ; /* SCK low */
/* positive reset pulse > 2 SCK (target) */
ispDelay();
RST_HIGH() ; /* RST high */
clockWait(64) ;
RST_LOW() ; /* RST low */
}
