initial ESP-IDF project

Signed-off-by: Peter Siegmund <peter@rdkr.com>
2024-05-29 23:03:43 +02:00
parent 2a98cb9367
commit 09037c6df0
68 changed files with 27746 additions and 88 deletions
--- a/ePaper-ESP-IDF/components/lilygo-epd47/ed047tc1.h
+++ b/ePaper-ESP-IDF/components/lilygo-epd47/ed047tc1.h
@@ -0,0 +1,141 @@
+#ifndef _ED047TC1_H_
+#define _ED047TC1_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/******************************************************************************/
+/***        include files                                                   ***/
+/******************************************************************************/
+
+#include <driver/gpio.h>
+
+#include <stdint.h>
+
+/******************************************************************************/
+/***        macro definitions                                               ***/
+/******************************************************************************/
+
+#if CONFIG_IDF_TARGET_ESP32
+
+/* Config Reggister Control */
+#define CFG_DATA GPIO_NUM_23
+#define CFG_CLK GPIO_NUM_18
+#define CFG_STR GPIO_NUM_0
+
+/* Control Lines */
+#define CKV GPIO_NUM_25
+#define STH GPIO_NUM_26
+
+/* Edges */
+#define CKH GPIO_NUM_5
+
+/* Data Lines */
+#define D7 GPIO_NUM_22
+#define D6 GPIO_NUM_21
+#define D5 GPIO_NUM_27
+#define D4 GPIO_NUM_2
+#define D3 GPIO_NUM_19
+#define D2 GPIO_NUM_4
+#define D1 GPIO_NUM_32
+#define D0 GPIO_NUM_33
+
+#elif CONFIG_IDF_TARGET_ESP32S3
+
+/* Config Reggister Control */
+#define CFG_DATA GPIO_NUM_13
+#define CFG_CLK GPIO_NUM_12
+#define CFG_STR GPIO_NUM_0
+
+/* Control Lines */
+#define CKV GPIO_NUM_38
+#define STH GPIO_NUM_40
+
+/* Edges */
+#define CKH GPIO_NUM_41
+
+/* Data Lines */
+#define D7 GPIO_NUM_7
+#define D6 GPIO_NUM_6
+#define D5 GPIO_NUM_5
+#define D4 GPIO_NUM_4
+#define D3 GPIO_NUM_3
+#define D2 GPIO_NUM_2
+#define D1 GPIO_NUM_1
+#define D0 GPIO_NUM_8
+
+#else
+#error "Unknown SOC"
+#endif
+
+/******************************************************************************/
+/***        type definitions                                                ***/
+/******************************************************************************/
+
+/******************************************************************************/
+/***        exported variables                                              ***/
+/******************************************************************************/
+
+/******************************************************************************/
+/***        exported functions                                              ***/
+/******************************************************************************/
+
+void epd_base_init(uint32_t epd_row_width);
+void epd_poweron();
+void epd_poweroff();
+
+/**
+ * @brief Start a draw cycle.
+ */
+void epd_start_frame();
+
+/**
+ * @brief End a draw cycle.
+ */
+void epd_end_frame();
+
+/**
+ * @brief output row data
+ *
+ * @note Waits until all previously submitted data has been written.
+ *       Then, the following operations are initiated:
+ *
+ *           1. Previously submitted data is latched to the output register.
+ *           2. The RMT peripheral is set up to pulse the vertical (gate) driver
+ *              for `output_time_dus` / 10 microseconds.
+ *           3. The I2S peripheral starts transmission of the current buffer to
+ *              the source driver.
+ *           4. The line buffers are switched.
+ *
+ *       This sequence of operations allows for pipelining data preparation and
+ *       transfer, reducing total refresh times.
+ */
+void epd_output_row(uint32_t output_time_dus);
+
+/**
+ * @brief Skip a row without writing to it.
+ */
+void epd_skip();
+
+/**
+ * @brief Get the currently writable line buffer.
+ */
+uint8_t* epd_get_current_buffer();
+
+/**
+ * @brief Switches front and back line buffer.
+ *
+ * @note If the switched-to line buffer is currently in use, this function
+ *       blocks until transmission is done.
+ */
+void epd_switch_buffer();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/******************************************************************************/
+/***        END OF FILE                                                     ***/
+/******************************************************************************/