Lurkars/esp-ena
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added Exposure code, DS3231, SSD1306, interfaces, started with protocol buffers impl.

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Lurkars
2020-07-22 21:44:17 +02:00
parent 04f7e8e1d6
commit 4ba1352a05
38 changed files with 5800 additions and 178 deletions
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components/ssd1306/include/ssd1306.h
+20 -1
View File
@@ -91,8 +91,27 @@ void ssd1306_clear_line(uint8_t i2address, uint8_t line, bool invert);
*/
void ssd1306_clear(uint8_t i2address);
/**
* @brief write text to display
* @brief set display on or offf
*
* @param[in] i2address I2C address of SSD1306
* @param[in] on true if display on, false if display off
*/
void ssd1306_on(uint8_t i2address, bool on);
/**
* @brief write text to display line at starting column
*
* @param[in] i2address I2C address of SSD1306
* @param[in] text text to display
* @param[in] line the line to write to
* @param[in] offset number of offset chars to start
*/
void ssd1306_text_line_column(uint8_t i2address, char *text, uint8_t line, uint8_t offset, bool invert);
/**
* @brief write text to display line
*
* @param[in] i2address I2C address of SSD1306
* @param[in] text text to display
components/ssd1306/ssd1306.c
+52 -10
View File
@@ -80,7 +80,7 @@ void ssd1306_start(uint8_t i2address)
// Turn the Display ON
i2c_master_write_byte(cmd, SSD1306_CMD_ON, true);
i2c_master_stop(cmd);
ESP_ERROR_CHECK(i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS));
ESP_ERROR_CHECK_WITHOUT_ABORT(i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS));
i2c_cmd_link_delete(cmd);
}
@@ -101,7 +101,7 @@ void ssd1306_init_data(uint8_t i2address)
i2c_master_write_byte(cmd, SSD1306_CMD_PAGE, true);
i2c_master_stop(cmd);
ESP_ERROR_CHECK(i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS));
ESP_ERROR_CHECK_WITHOUT_ABORT(i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS));
i2c_cmd_link_delete(cmd);
}
@@ -144,8 +144,46 @@ void ssd1306_clear(uint8_t i2address)
}
}
void ssd1306_text_line(uint8_t i2address, char *text, uint8_t line, bool invert)
void ssd1306_on(uint8_t i2address, bool on)
{
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
// Begin the I2C comm with SSD1306's address (SLA+Write)
i2c_master_write_byte(cmd, (i2address << 1) | I2C_MASTER_WRITE, true);
// Tell the SSD1306 that a command stream is incoming
i2c_master_write_byte(cmd, SSD1306_CONTROL_CMD_STREAM, true);
if (on)
{
// Turn the Display ON
i2c_master_write_byte(cmd, SSD1306_CMD_ON, true);
}
else
{
// Turn the Display OFF
i2c_master_write_byte(cmd, SSD1306_CMD_OFF, true);
}
i2c_master_stop(cmd);
i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
}
void ssd1306_text_line_column(uint8_t i2address, char *text, uint8_t line, uint8_t offset, bool invert)
{
uint8_t font_width = sizeof(ascii_font_5x8[0]);
uint8_t column = offset * font_width;
if (column > SSD1306_COLUMNS)
{
column = 0;
}
size_t columns = strlen(text) * font_width;
if (columns > (SSD1306_COLUMNS - column))
{
columns = (SSD1306_COLUMNS - column);
}
ssd1306_init_data(i2address);
i2c_cmd_handle_t cmd;
@@ -155,24 +193,23 @@ void ssd1306_text_line(uint8_t i2address, char *text, uint8_t line, bool invert)
i2c_master_write_byte(cmd, (i2address << 1) | I2C_MASTER_WRITE, true);
i2c_master_write_byte(cmd, SSD1306_CONTROL_CMD_STREAM, true);
i2c_master_write_byte(cmd, SSD1306_CMD_COLUMN_LOW, true);
i2c_master_write_byte(cmd, SSD1306_CMD_COLUMN_HIGH, true);
i2c_master_write_byte(cmd, SSD1306_CMD_COLUMN_LOW | (column & 0XF), true);
i2c_master_write_byte(cmd, SSD1306_CMD_COLUMN_HIGH | (column >> 4), true);
i2c_master_write_byte(cmd, SSD1306_CMD_PAGE | line, true);
i2c_master_stop(cmd);
i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
uint8_t *linedata = calloc(SSD1306_COLUMNS, sizeof(uint8_t));
uint8_t font_width = sizeof(ascii_font_5x8[0]);
for (uint8_t i = 0; i < strlen(text); i++)
uint8_t *linedata = calloc(columns, sizeof(uint8_t));
for (uint8_t i = 0; i < (columns / font_width); i++)
{
memcpy(&linedata[i * font_width], ascii_font_5x8[(uint8_t)text[i]], font_width);
}
if (invert)
{
for (uint8_t i = 0; i < SSD1306_COLUMNS; i++)
for (uint8_t i = 0; i < columns; i++)
{
linedata[i] = ~linedata[i];
}
@@ -183,11 +220,16 @@ void ssd1306_text_line(uint8_t i2address, char *text, uint8_t line, bool invert)
i2c_master_write_byte(cmd, (i2address << 1) | I2C_MASTER_WRITE, true);
i2c_master_write_byte(cmd, SSD1306_CONTROL_DATA_STREAM, true);
i2c_master_write(cmd, linedata, SSD1306_COLUMNS, true);
i2c_master_write(cmd, linedata, columns, true);
i2c_master_stop(cmd);
i2c_master_cmd_begin(I2C_NUM_0, cmd, 10 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
free(linedata);
}
void ssd1306_text_line(uint8_t i2address, char *text, uint8_t line, bool invert)
{
ssd1306_text_line_column(i2address, text, line, 0, invert);
}