lby/lk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[eink] convert to 3wire interface to work with default dartuinoP2 config

Browse Source
This commit is contained in:
Eric Holland
2016-05-11 10:52:18 -07:00
parent a9c8e7a6ea
commit ce057571d0
1 changed files with 9 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
target/dartuinoP0/display/eink.c
View File

@@ -608,21 +608,22 @@ static inline void set_data_parameter_mode(void) {
}
void write_cmd(uint8_t cmd) {
uint8_t cmd_buf[1];
uint16_t cmd16;
cmd_buf[0] = cmd;
cmd16 = (uint16_t) cmd;
set_data_command_mode();
#if 0
gpio_set(GPIO_DISP_CS, 0);
HAL_SPI_Transmit(&SpiHandle, cmd_buf, sizeof(cmd_buf), HAL_MAX_DELAY);
gpio_set(GPIO_DISP_CS, 1);
#else
spi_write(&SpiHandle, cmd_buf, sizeof(cmd_buf), GPIO_DISP_CS);
spi_write(&SpiHandle, (uint8_t *)&cmd16,1, GPIO_DISP_CS);
#endif
}
void write_data(uint8_t *buf, size_t len) {
set_data_parameter_mode();
//set_data_parameter_mode();
uint16_t txbyte;
//enter_critical_section;
#if 0
gpio_set(GPIO_DISP_CS, 0);
@@ -631,7 +632,8 @@ void write_data(uint8_t *buf, size_t len) {
#else
//spin_lock_irqsave(&lock, state);
for (size_t i = 0; i < len; i++) {
spi_write(&SpiHandle, buf + i, 1, GPIO_DISP_CS);
txbyte = ((uint16_t) buf[i]) | 0x0100;
spi_write(&SpiHandle, (uint8_t *)&txbyte, 1, GPIO_DISP_CS);
}
//spin_unlock_irqrestore(&lock, state);
#endif
@@ -686,7 +688,7 @@ status_t eink_init(void) {
SpiHandle.Init.Direction = SPI_DIRECTION_1LINE;
SpiHandle.Init.CLKPhase = SPI_PHASE_1EDGE;
SpiHandle.Init.CLKPolarity = SPI_POLARITY_LOW;
SpiHandle.Init.DataSize = SPI_DATASIZE_8BIT;
SpiHandle.Init.DataSize = SPI_DATASIZE_9BIT;
SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB;
SpiHandle.Init.TIMode = SPI_TIMODE_DISABLE;
SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
@@ -962,7 +964,7 @@ static int eink_dumpfb(uint8_t * buff, uint32_t count)
// DTM2
write_cmd(DataStartTransmission2);
write_burst_data(buff, count);
write_data(buff, count);
// DRF
write_cmd(DisplayRefresh);