From dd3a813f871b911012da55a499955307c309a7a5 Mon Sep 17 00:00:00 2001 From: Ryan Caltabiano Date: Tue, 16 Apr 2019 18:36:55 -0500 Subject: Reducing size of data send in one frame & update Zen rev2 oled usage --- drivers/oled/oled_driver.c | 7 +++++-- drivers/oled/oled_driver.h | 43 ++++++++++++++++++++++++++----------------- 2 files changed, 31 insertions(+), 19 deletions(-) (limited to 'drivers') diff --git a/drivers/oled/oled_driver.c b/drivers/oled/oled_driver.c index aa025d7a4..96ea58ccb 100644 --- a/drivers/oled/oled_driver.c +++ b/drivers/oled/oled_driver.c @@ -203,7 +203,7 @@ bool oled_init(uint8_t rotation) { } __attribute__((weak)) -uint8_t oled_init_user(uint8_t rotation) { +oled_rotation_t oled_init_user(oled_rotation_t rotation) { return rotation; } @@ -384,7 +384,10 @@ void oled_write_char(const char data, bool invert) { // Dirty check if (memcmp(&oled_temp_buffer, oled_cursor, OLED_FONT_WIDTH)) { - oled_dirty |= (1 << ((oled_cursor - &oled_buffer[0]) / OLED_BLOCK_SIZE)); + uint16_t index = oled_cursor - &oled_buffer[0]; + oled_dirty |= (1 << (index / OLED_BLOCK_SIZE)); + // Edgecase check if the written data spans the 2 chunks + oled_dirty |= (1 << ((index + OLED_FONT_WIDTH) / OLED_BLOCK_SIZE)); } // Finally move to the next char diff --git a/drivers/oled/oled_driver.h b/drivers/oled/oled_driver.h index 1ca31df11..ec07f1d9b 100644 --- a/drivers/oled/oled_driver.h +++ b/drivers/oled/oled_driver.h @@ -27,14 +27,17 @@ along with this program. If not, see . #define OLED_DISPLAY_WIDTH 128 #define OLED_DISPLAY_HEIGHT 64 #define OLED_MATRIX_SIZE (OLED_DISPLAY_HEIGHT / 8 * OLED_DISPLAY_WIDTH) // 1024 (compile time mathed) - #define OLED_BLOCK_TYPE uint16_t - #define OLED_BLOCK_COUNT (sizeof(OLED_BLOCK_TYPE) * 8) // 16 (compile time mathed) - #define OLED_BLOCK_SIZE (OLED_MATRIX_SIZE / OLED_BLOCK_COUNT) // 64 (compile time mathed) + #define OLED_BLOCK_TYPE uint32_t + #define OLED_BLOCK_COUNT (sizeof(OLED_BLOCK_TYPE) * 8) // 32 (compile time mathed) + #define OLED_BLOCK_SIZE (OLED_MATRIX_SIZE / OLED_BLOCK_COUNT) // 32 (compile time mathed) // For 90 degree rotation, we map our internal matrix to oled matrix using fixed arrays // The OLED writes to it's memory horizontally, starting top left, but our memory starts bottom left in this mode - #define OLED_SOURCE_MAP { 0, 8, 16, 24, 32, 40, 48, 56 } - #define OLED_TARGET_MAP { 56, 48, 40, 32, 24, 16, 8, 0 } + #define OLED_SOURCE_MAP { 32, 40, 48, 56 } + #define OLED_TARGET_MAP { 24, 16, 8, 0 } + // If OLED_BLOCK_TYPE is uint16_t, these tables would look like: + // #define OLED_SOURCE_MAP { 0, 8, 16, 24, 32, 40, 48, 56 } + // #define OLED_TARGET_MAP { 56, 48, 40, 32, 24, 16, 8, 0 } // If OLED_BLOCK_TYPE is uint8_t, these tables would look like: // #define OLED_SOURCE_MAP { 0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120 } // #define OLED_TARGET_MAP { 56, 120, 48, 112, 40, 104, 32, 96, 24, 88, 16, 80, 8, 72, 0, 64 } @@ -43,14 +46,17 @@ along with this program. If not, see . #define OLED_DISPLAY_WIDTH 128 #define OLED_DISPLAY_HEIGHT 32 #define OLED_MATRIX_SIZE (OLED_DISPLAY_HEIGHT / 8 * OLED_DISPLAY_WIDTH) // 512 (compile time mathed) - #define OLED_BLOCK_TYPE uint8_t // Type to use for segmenting the oled display for smart rendering, use unsigned types only - #define OLED_BLOCK_COUNT (sizeof(OLED_BLOCK_TYPE) * 8) // 8 (compile time mathed) - #define OLED_BLOCK_SIZE (OLED_MATRIX_SIZE / OLED_BLOCK_COUNT) // 128 (compile time mathed) + #define OLED_BLOCK_TYPE uint16_t // Type to use for segmenting the oled display for smart rendering, use unsigned types only + #define OLED_BLOCK_COUNT (sizeof(OLED_BLOCK_TYPE) * 8) // 16 (compile time mathed) + #define OLED_BLOCK_SIZE (OLED_MATRIX_SIZE / OLED_BLOCK_COUNT) // 32 (compile time mathed) // For 90 degree rotation, we map our internal matrix to oled matrix using fixed arrays // The OLED writes to it's memory horizontally, starting top left, but our memory starts bottom left in this mode - #define OLED_SOURCE_MAP { 0, 8, 16, 24, 32, 40, 48, 56 } - #define OLED_TARGET_MAP { 48, 32, 16, 0, 56, 40, 24, 8 } + #define OLED_SOURCE_MAP { 0, 8, 16, 24 } + #define OLED_TARGET_MAP { 24, 16, 8, 0 } + // If OLED_BLOCK_TYPE is uint8_t, these tables would look like: + // #define OLED_SOURCE_MAP { 0, 8, 16, 24, 32, 40, 48, 56 } + // #define OLED_TARGET_MAP { 48, 32, 16, 0, 56, 40, 24, 8 } #endif // defined(OLED_DISPLAY_CUSTOM) // Address to use for tthe i2d oled communication @@ -79,19 +85,22 @@ along with this program. If not, see . #define OLED_FONT_HEIGHT 8 #endif -#define OLED_ROTATION_0 0x00 -#define OLED_ROTATION_90 0x01 -#define OLED_ROTATION_180 0x02 -#define OLED_ROTATION_270 0x03 +// OLED Rotation enum values are flags +typedef enum { + OLED_ROTATION_0 = 0, + OLED_ROTATION_90 = 1, + OLED_ROTATION_180 = 2, + OLED_ROTATION_270 = 3, // OLED_ROTATION_90 | OLED_ROTATION_180 +} oled_rotation_t; // Initialize the oled display, rotating the rendered output based on the define passed in. // Returns true if the OLED was initialized successfully -bool oled_init(uint8_t rotation); +bool oled_init(oled_rotation_t rotation); // Called at the start of oled_init, weak function overridable by the user // rotation - the value passed into oled_init -// Return new uint8_t if you want to override default rotation -uint8_t oled_init_user(uint8_t rotation); +// Return new oled_rotation_t if you want to override default rotation +oled_rotation_t oled_init_user(oled_rotation_t rotation); // Clears the display buffer, resets cursor position to 0, and sets the buffer to dirty for rendering void oled_clear(void); -- cgit v1.2.3-24-g4f1b