evm lcd module test

Author: wzedmund

components/zephyr-rtos/modules/hal/nxp

@@ -1 +1 @@
-Subproject commit 80a337dc4cc980f80e595971147eb41458b29ae8
+Subproject commit 60fe8c0ae6e24d165cf42770b95c7df22b778386

drivers/zephyr/display/stm32_hal/display_ili9341.c

@@ -325,7 +325,7 @@ static int ili9341_write(const struct device *dev, const u16_t x,
 	ili9341_set_mem_area(data, x, y, desc->width, desc->height);
 
     ili9341_write_cmd ( ILI9341_CMD_MEM_WRITE );	
-	uint32_t nbr_of_points = desc->height * desc->height;	
+	uint32_t nbr_of_points = desc->width * desc->height;	
     uint32_t pixel_index = 0;
 	for (uint32_t i = 0; i < nbr_of_points; i ++ ) {
         ili9341_write_data ( write_data_start[pixel_index++] | write_data_start[pixel_index++] >> 8 );

modules/evm/evm_module_lcd.c

@@ -15,6 +15,10 @@
 #ifdef CONFIG_EVM_LCD
 
 #include "evm_module.h"
+#include <drivers/display.h>
+
+
+uint16_t evm_lcd_color = 0;
 
 //LCD()
 static evm_val_t evm_module_lcd(evm_t *e, evm_val_t *p, int argc, evm_val_t *v)
@@ -23,6 +27,12 @@ static evm_val_t evm_module_lcd(evm_t *e, evm_val_t *p, int argc, evm_val_t *v)
 	EVM_UNUSED(p);
 	EVM_UNUSED(argc);
 	EVM_UNUSED(v);
+	const char * name = evm_2_string(v);
+	struct device * dev = device_get_binding(name);
+	if (dev == NULL) {
+		evm_set_err(evm_runtime, ec_type, "Driver is not found");
+	}
+	evm_object_set_ext_data(p, (intptr_t)dev);
 	return EVM_VAL_UNDEFINED;
 }
 
@@ -32,6 +42,8 @@ static evm_val_t evm_module_lcd_on(evm_t *e, evm_val_t *p, int argc, evm_val_t *
 	EVM_UNUSED(p);
 	EVM_UNUSED(argc);
 	EVM_UNUSED(v);
+	struct device * dev = (struct device *)evm_object_get_ext_data(p);
+	display_blanking_off(dev);
 	return EVM_VAL_UNDEFINED;
 }
 
@@ -41,6 +53,8 @@ static evm_val_t evm_module_lcd_off(evm_t *e, evm_val_t *p, int argc, evm_val_t
 	EVM_UNUSED(p);
 	EVM_UNUSED(argc);
 	EVM_UNUSED(v);
+	struct device * dev = (struct device *)evm_object_get_ext_data(p);
+	display_blanking_on(dev);
 	return EVM_VAL_UNDEFINED;
 }
 
@@ -51,6 +65,16 @@ static evm_val_t evm_module_lcd_set_pixel(evm_t *e, evm_val_t *p, int argc, evm_
 	EVM_UNUSED(p);
 	EVM_UNUSED(argc);
 	EVM_UNUSED(v);
+	struct device * dev = (struct device *)evm_object_get_ext_data(p);
+	struct display_buffer_descriptor buf_desc;
+	buf_desc.buf_size = 2;
+	buf_desc.pitch = 1;
+	buf_desc.width = 1;
+	buf_desc.height = 1;
+
+	int x = evm_2_integer(v);
+	int y = evm_2_integer(v + 1);
+	display_write(dev, x, y, &buf_desc, &evm_lcd_color);
 	return EVM_VAL_UNDEFINED;
 }
 //color = LCD.get_pixel(x, y)