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73 lines
2.4 KiB
73 lines
2.4 KiB
/* |
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* Copyright (c) 2020 Teslabs Engineering S.L. |
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* |
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* SPDX-License-Identifier: Apache-2.0 |
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*/ |
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#ifndef ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9340_H_ |
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#define ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9340_H_ |
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#include <zephyr/device.h> |
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/* Commands/registers. */ |
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#define ILI9340_GAMSET 0x26 |
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#define ILI9340_FRMCTR1 0xB1 |
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#define ILI9340_DISCTRL 0xB6 |
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#define ILI9340_PWCTRL1 0xC0 |
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#define ILI9340_PWCTRL2 0xC1 |
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#define ILI9340_VMCTRL1 0xC5 |
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#define ILI9340_VMCTRL2 0xC7 |
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#define ILI9340_PGAMCTRL 0xE0 |
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#define ILI9340_NGAMCTRL 0xE1 |
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/* Commands/registers length. */ |
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#define ILI9340_GAMSET_LEN 1U |
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#define ILI9340_FRMCTR1_LEN 2U |
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#define ILI9340_DISCTRL_LEN 3U |
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#define ILI9340_PWCTRL1_LEN 2U |
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#define ILI9340_PWCTRL2_LEN 1U |
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#define ILI9340_VMCTRL1_LEN 2U |
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#define ILI9340_VMCTRL2_LEN 1U |
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#define ILI9340_PGAMCTRL_LEN 15U |
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#define ILI9340_NGAMCTRL_LEN 15U |
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/** X resolution (pixels). */ |
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#define ILI9340_X_RES 240U |
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/** Y resolution (pixels). */ |
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#define ILI9340_Y_RES 320U |
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/** ILI9340 registers to be initialized. */ |
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struct ili9340_regs { |
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uint8_t gamset[ILI9340_GAMSET_LEN]; |
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uint8_t frmctr1[ILI9340_FRMCTR1_LEN]; |
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uint8_t disctrl[ILI9340_DISCTRL_LEN]; |
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uint8_t pwctrl1[ILI9340_PWCTRL1_LEN]; |
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uint8_t pwctrl2[ILI9340_PWCTRL2_LEN]; |
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uint8_t vmctrl1[ILI9340_VMCTRL1_LEN]; |
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uint8_t vmctrl2[ILI9340_VMCTRL2_LEN]; |
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uint8_t pgamctrl[ILI9340_PGAMCTRL_LEN]; |
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uint8_t ngamctrl[ILI9340_NGAMCTRL_LEN]; |
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}; |
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/* Initializer macro for ILI9340 registers. */ |
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#define ILI9340_REGS_INIT(n) \ |
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static const struct ili9340_regs ili9340_regs_##n = { \ |
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.gamset = DT_PROP(DT_INST(n, ilitek_ili9340), gamset), \ |
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.frmctr1 = DT_PROP(DT_INST(n, ilitek_ili9340), frmctr1), \ |
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.disctrl = DT_PROP(DT_INST(n, ilitek_ili9340), disctrl), \ |
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.pwctrl1 = DT_PROP(DT_INST(n, ilitek_ili9340), pwctrl1), \ |
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.pwctrl2 = DT_PROP(DT_INST(n, ilitek_ili9340), pwctrl2), \ |
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.vmctrl1 = DT_PROP(DT_INST(n, ilitek_ili9340), vmctrl1), \ |
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.vmctrl2 = DT_PROP(DT_INST(n, ilitek_ili9340), vmctrl2), \ |
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.pgamctrl = DT_PROP(DT_INST(n, ilitek_ili9340), pgamctrl), \ |
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.ngamctrl = DT_PROP(DT_INST(n, ilitek_ili9340), ngamctrl), \ |
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} |
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/** |
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* @brief Initialize ILI9340 registers with DT values. |
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* |
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* @param dev ILI9340 device instance |
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* @return 0 on success, errno otherwise. |
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*/ |
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int ili9340_regs_init(const struct device *dev); |
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#endif /* ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9340_H_ */
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