diff options
author | Drashna Jaelre <drashna@drashna.net> | 2023-02-28 11:14:48 -0800 |
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committer | GitHub <noreply@github.com> | 2023-02-28 11:14:48 -0800 |
commit | 051401175d98e777a6633445a0275b54ed36e97a (patch) | |
tree | 325d717dfbfb12e4cb45c02089602f256ddc36d6 /users/drashna/oled/sh110x.c | |
parent | 05631b276d557824518cdb0c7d5d78c8f118891c (diff) |
[Keymap] Drashna updates for 0.20.0 (#19960)
Diffstat (limited to 'users/drashna/oled/sh110x.c')
-rw-r--r-- | users/drashna/oled/sh110x.c | 113 |
1 files changed, 56 insertions, 57 deletions
diff --git a/users/drashna/oled/sh110x.c b/users/drashna/oled/sh110x.c index 9fed5a9d1a..f96a93a897 100644 --- a/users/drashna/oled/sh110x.c +++ b/users/drashna/oled/sh110x.c @@ -324,78 +324,77 @@ static void rotate_90(const uint8_t *src, uint8_t *dest) { } void oled_render(void) { - if (!oled_initialized) { - return; - } - // Do we have work to do? oled_dirty &= OLED_ALL_BLOCKS_MASK; - if (!oled_dirty || oled_scrolling) { + if (!oled_dirty || !oled_initialized || oled_scrolling) { return; } - // Find first dirty block + // Turn on display if it is off + oled_on(); + uint8_t update_start = 0; - while (!(oled_dirty & ((OLED_BLOCK_TYPE)1 << update_start))) { - ++update_start; - } + uint8_t num_processed = 0; + while (oled_dirty && num_processed++ < OLED_UPDATE_PROCESS_LIMIT) { // render all dirty blocks (up to the configured limit) + // Find next dirty block + while (!(oled_dirty & ((OLED_BLOCK_TYPE)1 << update_start))) { + ++update_start; + } - // Set column & page position - static uint8_t display_start[] = {I2C_CMD, PAM_PAGE_ADDR, PAM_SETCOLUMN_LSB, PAM_SETCOLUMN_MSB}; - if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) { - calc_bounds(update_start, &display_start[1]); // Offset from I2C_CMD byte at the start - } else { - calc_bounds_90(update_start, &display_start[1]); // Offset from I2C_CMD byte at the start - } + // Set column & page position + static uint8_t display_start[] = {I2C_CMD, PAM_PAGE_ADDR, PAM_SETCOLUMN_LSB, PAM_SETCOLUMN_MSB}; + if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) { + calc_bounds(update_start, &display_start[1]); // Offset from I2C_CMD byte at the start + } else { + calc_bounds_90(update_start, &display_start[1]); // Offset from I2C_CMD byte at the start + } - // Send column & page position - if (I2C_TRANSMIT(display_start) != I2C_STATUS_SUCCESS) { - print("oled_render offset command failed\n"); - return; - } + // Send column & page position + if (I2C_TRANSMIT(display_start) != I2C_STATUS_SUCCESS) { + print("oled_render offset command failed\n"); + return; + } - if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) { - // Send render data chunk as is - if (I2C_WRITE_REG(I2C_DATA, &oled_buffer[OLED_BLOCK_SIZE * update_start], OLED_BLOCK_SIZE) != I2C_STATUS_SUCCESS) { - print("oled_render data failed\n"); - return; - } - } else { - // Rotate the render chunks - const static uint8_t source_map[] = OLED_SOURCE_MAP; - const static uint8_t target_map[] = OLED_TARGET_MAP; - - static uint8_t temp_buffer[OLED_BLOCK_SIZE]; - memset(temp_buffer, 0, sizeof(temp_buffer)); - for (uint8_t i = 0; i < sizeof(source_map); ++i) { - rotate_90(&oled_buffer[OLED_BLOCK_SIZE * update_start + source_map[i]], &temp_buffer[target_map[i]]); - } + if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) { + // Send render data chunk as is + if (I2C_WRITE_REG(I2C_DATA, &oled_buffer[OLED_BLOCK_SIZE * update_start], OLED_BLOCK_SIZE) != I2C_STATUS_SUCCESS) { + print("oled_render data failed\n"); + return; + } + } else { + // Rotate the render chunks + const static uint8_t source_map[] = OLED_SOURCE_MAP; + const static uint8_t target_map[] = OLED_TARGET_MAP; + + static uint8_t temp_buffer[OLED_BLOCK_SIZE]; + memset(temp_buffer, 0, sizeof(temp_buffer)); + for (uint8_t i = 0; i < sizeof(source_map); ++i) { + rotate_90(&oled_buffer[OLED_BLOCK_SIZE * update_start + source_map[i]], &temp_buffer[target_map[i]]); + } - // For SH1106 or SH1107 the data chunk must be split into separate pieces for each page - const uint8_t columns_in_block = (OLED_BLOCK_SIZE + OLED_DISPLAY_HEIGHT - 1) / OLED_DISPLAY_HEIGHT * 8; - const uint8_t num_pages = OLED_BLOCK_SIZE / columns_in_block; - for (uint8_t i = 0; i < num_pages; ++i) { - // Send column & page position for all pages except the first one - if (i > 0) { - display_start[1]++; - if (I2C_TRANSMIT(display_start) != I2C_STATUS_SUCCESS) { - print("oled_render offset command failed\n"); + // For SH1106 or SH1107 the data chunk must be split into separate pieces for each page + const uint8_t columns_in_block = (OLED_BLOCK_SIZE + OLED_DISPLAY_HEIGHT - 1) / OLED_DISPLAY_HEIGHT * 8; + const uint8_t num_pages = OLED_BLOCK_SIZE / columns_in_block; + for (uint8_t i = 0; i < num_pages; ++i) { + // Send column & page position for all pages except the first one + if (i > 0) { + display_start[1]++; + if (I2C_TRANSMIT(display_start) != I2C_STATUS_SUCCESS) { + print("oled_render offset command failed\n"); + return; + } + } + // Send data for the page + if (I2C_WRITE_REG(I2C_DATA, &temp_buffer[columns_in_block * i], columns_in_block) != I2C_STATUS_SUCCESS) { + print("oled_render90 data failed\n"); return; } } - // Send data for the page - if (I2C_WRITE_REG(I2C_DATA, &temp_buffer[columns_in_block * i], columns_in_block) != I2C_STATUS_SUCCESS) { - print("oled_render90 data failed\n"); - return; - } } - } - // Turn on display if it is off - oled_on(); - - // Clear dirty flag - oled_dirty &= ~((OLED_BLOCK_TYPE)1 << update_start); + // Clear dirty flag + oled_dirty &= ~((OLED_BLOCK_TYPE)1 << update_start); + } } void oled_set_cursor(uint8_t col, uint8_t line) { |