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Fixed bug in UC1701 preventing some settings to be correctly applied

This commit is contained in:
Silvano Seva 2021-01-30 07:53:37 +01:00
parent 50841f40ff
commit c87f178823
1 changed files with 11 additions and 13 deletions
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24
platform/drivers/display/UC1701_GD77.c
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@ -83,22 +83,22 @@ void display_init()
gpio_clearPin(LCD_CLK); gpio_clearPin(LCD_CLK);
gpio_clearPin(LCD_DAT); gpio_clearPin(LCD_DAT);
gpio_clearPin(LCD_RST); /* Reset controller */ gpio_clearPin(LCD_RST); /* Reset controller */
delayMs(1); delayMs(1);
gpio_setPin(LCD_RST); gpio_setPin(LCD_RST);
delayMs(5); delayMs(5);
gpio_clearPin(LCD_CS); gpio_clearPin(LCD_CS); /* Bring down CS and keep it low from now on */
gpio_clearPin(LCD_RS); /* RS low -> command mode */ gpio_clearPin(LCD_RS); /* RS low -> command mode */
sendByteToController(0x2F); /* Voltage Follower On */ sendByteToController(0x2F); /* Voltage Follower On */
sendByteToController(0x81); /* Set Electronic Volume */ sendByteToController(0x81); /* Set Electronic Volume */
sendByteToController(0x15); /* Contrast, initial setting */ sendByteToController(0x15); /* Contrast, initial setting */
sendByteToController(0xA2); /* Set Bias = 1/9 */ sendByteToController(0xA2); /* Set Bias = 1/9 */
sendByteToController(0xA1); /* A0 Set SEG Direction */ sendByteToController(0xA1); /* A0 Set SEG Direction */
sendByteToController(0xC0); /* Set COM Direction */ sendByteToController(0xC0); /* Set COM Direction */
sendByteToController(0xA4); /* White background, black pixels */ sendByteToController(0xA4); /* White background, black pixels */
sendByteToController(0xAF); /* Set Display Enable */ sendByteToController(0xAF); /* Set Display Enable */
} }
void display_terminate() void display_terminate()
@ -152,9 +152,7 @@ void display_renderRows(uint8_t startRow, uint8_t endRow)
void display_render() void display_render()
{ {
gpio_clearPin(LCD_CS);
display_renderRows(0, SCREEN_HEIGHT / 8); display_renderRows(0, SCREEN_HEIGHT / 8);
gpio_setPin(LCD_CS);
} }
bool display_renderingInProgress() bool display_renderingInProgress()