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spi_lcd: panel_io_spi_tx_color without cmd

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Closes https://github.com/espressif/esp-idf/issues/9881
This commit is contained in:
morris
2022-10-10 16:30:52 +08:00
parent 7d3c9e9f3e
commit d9bd809d61
2 changed files with 26 additions and 20 deletions
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32
components/esp_lcd/src/esp_lcd_panel_io_spi.c
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@@ -190,7 +190,7 @@ static esp_err_t panel_io_spi_tx_param(esp_lcd_panel_io_t *io, int lcd_cmd, cons
}
lcd_trans = &spi_panel_io->trans_pool[0];
memset(lcd_trans, 0, sizeof(lcd_spi_trans_descriptor_t));
spi_lcd_prepare_cmd_buffer(spi_panel_io, &lcd_cmd);
lcd_trans->base.user = spi_panel_io;
lcd_trans->base.flags |= SPI_TRANS_CS_KEEP_ACTIVE;
if (spi_panel_io->flags.octal_mode) {
@@ -199,6 +199,7 @@ static esp_err_t panel_io_spi_tx_param(esp_lcd_panel_io_t *io, int lcd_cmd, cons
}
if (send_cmd) {
spi_lcd_prepare_cmd_buffer(spi_panel_io, &lcd_cmd);
lcd_trans->flags.dc_gpio_level = !spi_panel_io->flags.dc_data_level; // set D/C line to command mode
lcd_trans->base.length = spi_panel_io->lcd_cmd_bits;
lcd_trans->base.tx_buffer = &lcd_cmd;
@@ -243,7 +244,7 @@ static esp_err_t panel_io_spi_rx_param(esp_lcd_panel_io_t *io, int lcd_cmd, void
}
lcd_trans = &spi_panel_io->trans_pool[0];
memset(lcd_trans, 0, sizeof(lcd_spi_trans_descriptor_t));
spi_lcd_prepare_cmd_buffer(spi_panel_io, &lcd_cmd);
lcd_trans->base.user = spi_panel_io;
lcd_trans->base.flags |= SPI_TRANS_CS_KEEP_ACTIVE;
if (spi_panel_io->flags.octal_mode) {
@@ -252,6 +253,7 @@ static esp_err_t panel_io_spi_rx_param(esp_lcd_panel_io_t *io, int lcd_cmd, void
}
if (send_cmd) {
spi_lcd_prepare_cmd_buffer(spi_panel_io, &lcd_cmd);
lcd_trans->flags.dc_gpio_level = !spi_panel_io->flags.dc_data_level; // set D/C line to command mode
lcd_trans->base.length = spi_panel_io->lcd_cmd_bits;
lcd_trans->base.tx_buffer = &lcd_cmd;
@@ -284,6 +286,7 @@ static esp_err_t panel_io_spi_tx_color(esp_lcd_panel_io_t *io, int lcd_cmd, cons
spi_transaction_t *spi_trans = NULL;
lcd_spi_trans_descriptor_t *lcd_trans = NULL;
esp_lcd_panel_io_spi_t *spi_panel_io = __containerof(io, esp_lcd_panel_io_spi_t, base);
bool send_cmd = (lcd_cmd >= 0);
// before issue a polling transaction, need to wait queued transactions finished
size_t num_trans_inflight = spi_panel_io->num_trans_inflight;
@@ -294,18 +297,21 @@ static esp_err_t panel_io_spi_tx_color(esp_lcd_panel_io_t *io, int lcd_cmd, cons
}
lcd_trans = &spi_panel_io->trans_pool[0];
memset(lcd_trans, 0, sizeof(lcd_spi_trans_descriptor_t));
spi_lcd_prepare_cmd_buffer(spi_panel_io, &lcd_cmd);
lcd_trans->base.user = spi_panel_io;
lcd_trans->flags.dc_gpio_level = !spi_panel_io->flags.dc_data_level; // set D/C line to command mode
lcd_trans->base.length = spi_panel_io->lcd_cmd_bits;
lcd_trans->base.tx_buffer = &lcd_cmd;
if (spi_panel_io->flags.octal_mode) {
// use 8 lines for transmitting command, address and data
lcd_trans->base.flags |= (SPI_TRANS_MULTILINE_CMD | SPI_TRANS_MULTILINE_ADDR | SPI_TRANS_MODE_OCT);
if (send_cmd) {
spi_lcd_prepare_cmd_buffer(spi_panel_io, &lcd_cmd);
lcd_trans->base.user = spi_panel_io;
lcd_trans->flags.dc_gpio_level = !spi_panel_io->flags.dc_data_level; // set D/C line to command mode
lcd_trans->base.length = spi_panel_io->lcd_cmd_bits;
lcd_trans->base.tx_buffer = &lcd_cmd;
if (spi_panel_io->flags.octal_mode) {
// use 8 lines for transmitting command, address and data
lcd_trans->base.flags |= (SPI_TRANS_MULTILINE_CMD | SPI_TRANS_MULTILINE_ADDR | SPI_TRANS_MODE_OCT);
}
// command is short, using polling mode
ret = spi_device_polling_transmit(spi_panel_io->spi_dev, &lcd_trans->base);
ESP_GOTO_ON_ERROR(ret, err, TAG, "spi transmit (polling) command failed");
}
// command is short, using polling mode
ret = spi_device_polling_transmit(spi_panel_io->spi_dev, &lcd_trans->base);
ESP_GOTO_ON_ERROR(ret, err, TAG, "spi transmit (polling) command failed");
// split to chunks if required:
// the SPI bus has a maximum transaction size determined by SPI_LL_DATA_MAX_BIT_LEN