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6800 & 8080 transfer

This commit is contained in:
olikraus 2015-12-06 17:45:57 +01:00
parent fc64bae5fb
commit 4ca94e2df8
3 changed files with 285 additions and 9 deletions
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5
csrc/u8x8.h
View File

@ -420,7 +420,10 @@ uint8_t u8x8_byte_SetDC(u8x8_t *u8x8, uint8_t dc) U8X8_NOINLINE;
uint8_t u8x8_byte_SendByte(u8x8_t *u8x8, uint8_t byte) U8X8_NOINLINE;
uint8_t u8x8_byte_SendBytes(u8x8_t *u8x8, uint8_t cnt, uint8_t *data) U8X8_NOINLINE;
uint8_t u8x8_byte_8bit_sw_spi(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
uint8_t u8x8_byte_4wire_sw_spi(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
uint8_t u8x8_byte_8bit_6800mode(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
uint8_t u8x8_byte_8bit_8080mode(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
uint8_t u8x8_byte_3wire_sw_spi(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
uint8_t u8x8_byte_ssd13xx_sw_i2c(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);

180
csrc/u8x8_byte.c
View File

@ -47,7 +47,8 @@ uint8_t u8x8_byte_SendByte(u8x8_t *u8x8, uint8_t byte)
U8X8_MSG_BYTE_SET_I2C_ADR (ignored)
U8X8_MSG_BYTE_SET_DEVICE (ignored)
*/
uint8_t u8x8_byte_8bit_sw_spi(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
uint8_t u8x8_byte_4wire_sw_spi(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t i, b;
uint8_t *data;
@ -110,6 +111,183 @@ uint8_t u8x8_byte_8bit_sw_spi(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *
/*=========================================*/
uint8_t u8x8_byte_8bit_6800mode(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t i, b;
uint8_t *data;
switch(msg)
{
case U8X8_MSG_BYTE_SEND:
data = (uint8_t *)arg_ptr;
while( arg_int > 0 )
{
b = *data;
data++;
arg_int--;
for( i = U8X8_MSG_GPIO_D0; i <= U8X8_MSG_GPIO_D7; i++ )
{
u8x8_gpio_call(u8x8, i, b&1);
b >>= 1;
}
u8x8_gpio_Delay(u8x8, U8X8_MSG_DELAY_NANO, u8x8->display_info->data_setup_time_ns);
u8x8_gpio_call(u8x8, U8X8_MSG_GPIO_E, 1);
u8x8_gpio_Delay(u8x8, U8X8_MSG_DELAY_NANO, u8x8->display_info->write_pulse_width_ns);
u8x8_gpio_call(u8x8, U8X8_MSG_GPIO_E, 0);
}
break;
case U8X8_MSG_BYTE_INIT:
/* disable chipselect */
u8x8_gpio_SetCS(u8x8, u8x8->display_info->chip_disable_level);
/* ensure that the enable signal is high */
u8x8_gpio_call(u8x8, U8X8_MSG_GPIO_E, 0);
break;
case U8X8_MSG_BYTE_SET_DC:
u8x8_gpio_SetDC(u8x8, arg_int);
break;
case U8X8_MSG_BYTE_START_TRANSFER:
u8x8_gpio_SetCS(u8x8, u8x8->display_info->chip_enable_level);
u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_NANO, u8x8->display_info->post_chip_enable_wait_ns, NULL);
break;
case U8X8_MSG_BYTE_END_TRANSFER:
u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_NANO, u8x8->display_info->pre_chip_disable_wait_ns, NULL);
u8x8_gpio_SetCS(u8x8, u8x8->display_info->chip_disable_level);
break;
case U8X8_MSG_BYTE_SET_I2C_ADR:
break;
case U8X8_MSG_BYTE_SET_DEVICE:
break;
default:
return 0;
}
return 1;
}
uint8_t u8x8_byte_8bit_8080mode(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t i, b;
uint8_t *data;
switch(msg)
{
case U8X8_MSG_BYTE_SEND:
data = (uint8_t *)arg_ptr;
while( arg_int > 0 )
{
b = *data;
data++;
arg_int--;
for( i = U8X8_MSG_GPIO_D0; i <= U8X8_MSG_GPIO_D7; i++ )
{
u8x8_gpio_call(u8x8, i, b&1);
b >>= 1;
}
u8x8_gpio_Delay(u8x8, U8X8_MSG_DELAY_NANO, u8x8->display_info->data_setup_time_ns);
u8x8_gpio_call(u8x8, U8X8_MSG_GPIO_E, 0);
u8x8_gpio_Delay(u8x8, U8X8_MSG_DELAY_NANO, u8x8->display_info->write_pulse_width_ns);
u8x8_gpio_call(u8x8, U8X8_MSG_GPIO_E, 1);
}
break;
case U8X8_MSG_BYTE_INIT:
/* disable chipselect */
u8x8_gpio_SetCS(u8x8, u8x8->display_info->chip_disable_level);
/* ensure that the enable signal is high */
u8x8_gpio_call(u8x8, U8X8_MSG_GPIO_E, 1);
break;
case U8X8_MSG_BYTE_SET_DC:
u8x8_gpio_SetDC(u8x8, arg_int);
break;
case U8X8_MSG_BYTE_START_TRANSFER:
u8x8_gpio_SetCS(u8x8, u8x8->display_info->chip_enable_level);
u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_NANO, u8x8->display_info->post_chip_enable_wait_ns, NULL);
break;
case U8X8_MSG_BYTE_END_TRANSFER:
u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_NANO, u8x8->display_info->pre_chip_disable_wait_ns, NULL);
u8x8_gpio_SetCS(u8x8, u8x8->display_info->chip_disable_level);
break;
case U8X8_MSG_BYTE_SET_I2C_ADR:
break;
case U8X8_MSG_BYTE_SET_DEVICE:
break;
default:
return 0;
}
return 1;
}
/*=========================================*/
uint8_t u8x8_byte_3wire_sw_spi(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t i;
uint8_t *data;
uint8_t takeover_edge = u8x8->display_info->sck_takeover_edge;
uint8_t not_takeover_edge = 1 - takeover_edge;
uint16_t b;
static uint8_t last_dc;
switch(msg)
{
case U8X8_MSG_BYTE_SEND:
data = (uint8_t *)arg_ptr;
while( arg_int > 0 )
{
b = *data;
if ( last_dc != 0 )
b |= 256;
data++;
arg_int--;
for( i = 0; i < 9; i++ )
{
if ( b & 256 )
u8x8_gpio_SetSPIData(u8x8, 1);
else
u8x8_gpio_SetSPIData(u8x8, 0);
b <<= 1;
u8x8_gpio_SetSPIClock(u8x8, not_takeover_edge);
u8x8_gpio_Delay(u8x8, U8X8_MSG_DELAY_NANO, u8x8->display_info->sda_setup_time_ns);
u8x8_gpio_SetSPIClock(u8x8, takeover_edge);
u8x8_gpio_Delay(u8x8, U8X8_MSG_DELAY_NANO, u8x8->display_info->sck_pulse_width_ns);
}
}
break;
case U8X8_MSG_BYTE_INIT:
/* disable chipselect */
u8x8_gpio_SetCS(u8x8, u8x8->display_info->chip_disable_level);
/* no wait required here */
/* for SPI: setup correct level of the clock signal */
u8x8_gpio_SetSPIClock(u8x8, u8x8->display_info->sck_takeover_edge);
break;
case U8X8_MSG_BYTE_SET_DC:
last_dc = arg_int;
break;
case U8X8_MSG_BYTE_START_TRANSFER:
u8x8_gpio_SetCS(u8x8, u8x8->display_info->chip_enable_level);
u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_NANO, u8x8->display_info->post_chip_enable_wait_ns, NULL);
break;
case U8X8_MSG_BYTE_END_TRANSFER:
u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_NANO, u8x8->display_info->pre_chip_disable_wait_ns, NULL);
u8x8_gpio_SetCS(u8x8, u8x8->display_info->chip_disable_level);
break;
case U8X8_MSG_BYTE_SET_I2C_ADR:
break;
case U8X8_MSG_BYTE_SET_DEVICE:
break;
default:
return 0;
}
return 1;
}
/*=========================================*/
/*
software i2c,

109
sys/arduino/ssd1306_test/test.ino
View File

@ -30,6 +30,18 @@ extern "C" uint8_t u8x8_gpio_and_delay_arduino(u8x8_t *u8x8, uint8_t msg, uint8_
/* arg_int is 1 or 4: 100KHz (5us) or 400KHz (1.25us) */
delayMicroseconds(arg_int<=2?5:2);
break;
case U8X8_MSG_GPIO_I2C_CLOCK:
case U8X8_MSG_GPIO_I2C_DATA:
if ( arg_int == 0 )
{
pinMode(u8x8_GetPinValue(u8x8, msg), OUTPUT);
digitalWrite(u8x8_GetPinValue(u8x8, msg), 0);
}
else
{
pinMode(u8x8_GetPinValue(u8x8, msg), INPUT_PULLUP);
}
break;
default:
if ( msg >= U8X8_MSG_GPIO(0) )
{
@ -138,7 +150,7 @@ U8X8_PIN_NONE
/*
use U8X8_PIN_NONE as value for "reset", if there is no reset line
*/
void u8x8_Setup_SW_4Wire_SPI(u8x8_t *u8x8, u8x8_msg_cb display_cb, uint8_t clock, uint8_t data, uint8_t cs, uint8_t dc, uint8_t reset)
void u8x8_Setup_4Wire_SW_SPI(u8x8_t *u8x8, u8x8_msg_cb display_cb, uint8_t clock, uint8_t data, uint8_t cs, uint8_t dc, uint8_t reset)
{
/* setup defaults and reset pins to U8X8_PIN_NONE */
u8x8_SetupDefaults(u8x8);
@ -153,18 +165,39 @@ void u8x8_Setup_SW_4Wire_SPI(u8x8_t *u8x8, u8x8_msg_cb display_cb, uint8_t clock
/* setup specific callbacks */
u8x8->display_cb = display_cb;
u8x8->cad_cb = u8x8_cad_001;
u8x8->byte_cb = u8x8_byte_8bit_sw_spi;
u8x8->byte_cb = u8x8_byte_4wire_sw_spi;
u8x8->gpio_and_delay_cb = u8x8_gpio_and_delay_arduino;
/* setup display info */
u8x8_display_Setup(u8x8);
}
void u8x8_Setup_3Wire_SW_SPI(u8x8_t *u8x8, u8x8_msg_cb display_cb, uint8_t clock, uint8_t data, uint8_t cs, uint8_t reset)
{
/* setup defaults and reset pins to U8X8_PIN_NONE */
u8x8_SetupDefaults(u8x8);
/* assign individual pin values (only for ARDUINO, if pin_list is available) */
u8x8_SetPin(u8x8, U8X8_PIN_SPI_CLOCK, clock);
u8x8_SetPin(u8x8, U8X8_PIN_SPI_DATA, data);
u8x8_SetPin(u8x8, U8X8_PIN_CS, cs);
u8x8_SetPin(u8x8, U8X8_PIN_RESET, reset);
/* setup specific callbacks */
u8x8->display_cb = display_cb;
u8x8->cad_cb = u8x8_cad_001;
u8x8->byte_cb = u8x8_byte_3wire_sw_spi;
u8x8->gpio_and_delay_cb = u8x8_gpio_and_delay_arduino;
/* setup display info */
u8x8_display_Setup(u8x8);
}
/*
use U8X8_PIN_NONE as value for "reset", if there is no reset line
*/
void u8x8_Setup_HW_4Wire_SPI(u8x8_t *u8x8, u8x8_msg_cb display_cb, uint8_t cs, uint8_t dc, uint8_t reset)
void u8x8_Setup_4Wire_HW_SPI(u8x8_t *u8x8, u8x8_msg_cb display_cb, uint8_t cs, uint8_t dc, uint8_t reset)
{
/* setup defaults and reset pins to U8X8_PIN_NONE */
u8x8_SetupDefaults(u8x8);
@ -184,7 +217,7 @@ void u8x8_Setup_HW_4Wire_SPI(u8x8_t *u8x8, u8x8_msg_cb display_cb, uint8_t cs, u
u8x8_display_Setup(u8x8);
}
void u8x8_Setup_SW_SSD13xx_I2C(u8x8_t *u8x8, u8x8_msg_cb display_cb, uint8_t clock, uint8_t data, uint8_t reset)
void u8x8_Setup_SSD13xx_SW_I2C(u8x8_t *u8x8, u8x8_msg_cb display_cb, uint8_t clock, uint8_t data, uint8_t reset)
{
/* setup defaults and reset pins to U8X8_PIN_NONE */
u8x8_SetupDefaults(u8x8);
@ -204,6 +237,64 @@ void u8x8_Setup_SW_SSD13xx_I2C(u8x8_t *u8x8, u8x8_msg_cb display_cb, uint8_t clo
u8x8_display_Setup(u8x8);
}
void u8x8_Setup_8Bit_6800(u8x8_t *u8x8, u8x8_msg_cb display_cb, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t enable, uint8_t cs, uint8_t dc, uint8_t reset)
{
/* setup defaults and reset pins to U8X8_PIN_NONE */
u8x8_SetupDefaults(u8x8);
/* assign individual pin values (only for ARDUINO, if pin_list is available) */
u8x8_SetPin(u8x8, U8X8_PIN_D0, d0);
u8x8_SetPin(u8x8, U8X8_PIN_D1, d1);
u8x8_SetPin(u8x8, U8X8_PIN_D2, d2);
u8x8_SetPin(u8x8, U8X8_PIN_D3, d3);
u8x8_SetPin(u8x8, U8X8_PIN_D4, d4);
u8x8_SetPin(u8x8, U8X8_PIN_D5, d5);
u8x8_SetPin(u8x8, U8X8_PIN_D6, d6);
u8x8_SetPin(u8x8, U8X8_PIN_D7, d7);
u8x8_SetPin(u8x8, U8X8_PIN_E, enable);
u8x8_SetPin(u8x8, U8X8_PIN_CS, cs);
u8x8_SetPin(u8x8, U8X8_PIN_DC, dc);
u8x8_SetPin(u8x8, U8X8_PIN_RESET, reset);
/* setup specific callbacks */
u8x8->display_cb = display_cb;
u8x8->cad_cb = u8x8_cad_001;
u8x8->byte_cb = u8x8_byte_8bit_6800mode;
u8x8->gpio_and_delay_cb = u8x8_gpio_and_delay_arduino;
/* setup display info */
u8x8_display_Setup(u8x8);
}
void u8x8_Setup_8Bit_8080(u8x8_t *u8x8, u8x8_msg_cb display_cb, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t wr, uint8_t cs, uint8_t dc, uint8_t reset)
{
/* setup defaults and reset pins to U8X8_PIN_NONE */
u8x8_SetupDefaults(u8x8);
/* assign individual pin values (only for ARDUINO, if pin_list is available) */
u8x8_SetPin(u8x8, U8X8_PIN_D0, d0);
u8x8_SetPin(u8x8, U8X8_PIN_D1, d1);
u8x8_SetPin(u8x8, U8X8_PIN_D2, d2);
u8x8_SetPin(u8x8, U8X8_PIN_D3, d3);
u8x8_SetPin(u8x8, U8X8_PIN_D4, d4);
u8x8_SetPin(u8x8, U8X8_PIN_D5, d5);
u8x8_SetPin(u8x8, U8X8_PIN_D6, d6);
u8x8_SetPin(u8x8, U8X8_PIN_D7, d7);
u8x8_SetPin(u8x8, U8X8_PIN_E, wr);
u8x8_SetPin(u8x8, U8X8_PIN_CS, cs);
u8x8_SetPin(u8x8, U8X8_PIN_DC, dc);
u8x8_SetPin(u8x8, U8X8_PIN_RESET, reset);
/* setup specific callbacks */
u8x8->display_cb = display_cb;
u8x8->cad_cb = u8x8_cad_001;
u8x8->byte_cb = u8x8_byte_8bit_8080mode;
u8x8->gpio_and_delay_cb = u8x8_gpio_and_delay_arduino;
/* setup display info */
u8x8_display_Setup(u8x8);
}
/*=============================================*/
/* display setup procedures */
@ -221,9 +312,13 @@ void setup(void)
digitalWrite(9, 0); // default output in I2C mode for the SSD1306 test shield: set the i2c adr to 0
digitalWrite(10, 0); // default output in I2C mode for the SSD1306 test shield
//u8x8_Setup_SW_4Wire_SPI(&u8x8, u8x8_d_ssd1306_128x64_noname, 13, 11, 10, 9, 8);
//u8x8_Setup_HW_4Wire_SPI(&u8x8, u8x8_d_ssd1306_128x64_noname, 10, 9, 8);
u8x8_Setup_SW_SSD13xx_I2C(&u8x8, u8x8_d_ssd1306_128x64_noname, 13, 11, 8);
//u8x8_Setup_3Wire_SW_SPI(&u8x8, u8x8_d_ssd1306_128x64_noname, 13, 11, 10, 8);
//u8x8_Setup_4Wire_SW_SPI(&u8x8, u8x8_d_ssd1306_128x64_noname, 13, 11, 10, 9, 8);
//u8x8_Setup_4Wire_HW_SPI(&u8x8, u8x8_d_ssd1306_128x64_noname, 10, 9, 8);
//u8x8_Setup_SSD13xx_SW_I2C(&u8x8, u8x8_d_ssd1306_128x64_noname, 13, 11, 8);
//u8x8_Setup_8Bit_6800(&u8x8, u8x8_d_ssd1306_128x64_noname, 13, 11, 2, 3, 4, 5, 6, A4, /*enable=*/ 7, /*cs=*/ 10, /*dc=*/ 9, /*reset=*/ 8);
u8x8_Setup_8Bit_8080(&u8x8, u8x8_d_ssd1306_128x64_noname, 13, 11, 2, 3, 4, 5, 6, A4, /*enable=*/ 7, /*cs=*/ 10, /*dc=*/ 9, /*reset=*/ 8);
//u8x8_Setup_SW_4Wire_SPI(&u8x8, u8x8_d_uc1701_dogs102, 13, 11, 10, 9, 8);
//u8x8_Setup_HW_4Wire_SPI(&u8x8, u8x8_d_uc1701_dogs102, 10, 9, 8);