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byte function for ks0108, #88

This commit is contained in:
olikraus 2016-12-04 09:08:37 +01:00
parent 27143c80ac
commit 91fc163a7c
2 changed files with 34 additions and 51 deletions
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6
csrc/u8x8.h
View File

@ -576,6 +576,7 @@ uint8_t u8x8_byte_8bit_6800mode(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void
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_st7920_sw_spi(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr); */
uint8_t u8x8_byte_ks0108(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);
uint8_t u8x8_byte_sw_i2c(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
@ -626,6 +627,11 @@ uint8_t u8x8_byte_sw_i2c(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_p
#define U8X8_MSG_GPIO_I2C_CLOCK U8X8_MSG_GPIO(U8X8_PIN_I2C_CLOCK)
#define U8X8_MSG_GPIO_I2C_DATA U8X8_MSG_GPIO(U8X8_PIN_I2C_DATA)
#define U8X8_MSG_GPIO_CS1 U8X8_MSG_GPIO(U8X8_PIN_CS1) /* KS0108 extra chip select */
#define U8X8_MSG_GPIO_CS2 U8X8_MSG_GPIO(U8X8_PIN_CS2) /* KS0108 extra chip select */
/* these message expect the return value in u8x8->gpio_result */
#define U8X8_MSG_GPIO_MENU_SELECT U8X8_MSG_GPIO(U8X8_PIN_MENU_SELECT)
#define U8X8_MSG_GPIO_MENU_NEXT U8X8_MSG_GPIO(U8X8_PIN_MENU_NEXT)

77
csrc/u8x8_byte.c
View File

@ -309,92 +309,69 @@ uint8_t u8x8_byte_3wire_sw_spi(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void
/*=========================================*/
#ifdef OLDOLDOLD
static void u8x8_byte_set_ks0108_cs(u8x8_t *u8x8, uint8_t arg) U8X8_NOINLINE;
static void u8x8_byte_st7920_send_byte(u8x8_t *u8x8, uint8_t b) U8X8_NOINLINE;
static void u8x8_byte_st7920_send_byte(u8x8_t *u8x8, uint8_t b)
static void u8x8_byte_set_ks0108_cs(u8x8_t *u8x8, uint8_t arg)
{
uint8_t takeover_edge = u8x8_GetSPIClockPhase(u8x8);
uint8_t not_takeover_edge = 1 - takeover_edge;
uint8_t cnt;
cnt = 8;
do
{
if ( b & 128 )
u8x8_gpio_SetSPIData(u8x8, 1);
else
u8x8_gpio_SetSPIData(u8x8, 0);
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);
b<<=1;
cnt--;
} while( cnt != 0 );
u8x8_gpio_SetCS(u8x8, arg&1);
arg = arg >> 1;
u8x8_gpio_call(u8x8, U8X8_MSG_GPIO_CS1, arg&1);
arg = arg >> 2;
u8x8_gpio_call(u8x8, U8X8_MSG_GPIO_CS2, arg&2);
}
uint8_t u8x8_byte_st7920_sw_spi(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
/* 6800 mode */
uint8_t u8x8_byte_ks0108(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t i, b;
uint8_t *data;
uint8_t b;
static uint8_t last_dc;
switch(msg)
{
case U8X8_MSG_BYTE_SEND:
if ( last_dc == 0 )
{
/* command */
u8x8_byte_st7920_send_byte(u8x8, 0x0f8);
}
else
{
/* data */
u8x8_byte_st7920_send_byte(u8x8, 0x0fa);
}
data = (uint8_t *)arg_ptr;
while( arg_int > 0 )
{
b = *data;
u8x8_byte_st7920_send_byte(u8x8, b & 0x0f0);
u8x8_byte_st7920_send_byte(u8x8, b << 4);
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);
/* no wait required here */
/* for SPI: setup correct level of the clock signal */
u8x8_gpio_SetSPIClock(u8x8, u8x8_GetSPIClockPhase(u8x8));
/* ensure that the enable signal is high */
u8x8_gpio_call(u8x8, U8X8_MSG_GPIO_E, 0);
break;
case U8X8_MSG_BYTE_SET_DC:
last_dc = arg_int;
u8x8_gpio_SetDC(u8x8, arg_int);
break;
case U8X8_MSG_BYTE_START_TRANSFER:
u8x8_gpio_SetCS(u8x8, u8x8->display_info->chip_enable_level);
/* expects 3 bits in arg_int for the chip select lines */
u8x8_byte_set_ks0108_cs(u8x8, arg_int);
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);
u8x8_byte_set_ks0108_cs(u8x8, arg_int);
break;
default:
return 0;
}
return 1;
}
#endif
/*=========================================*/