111 lines
4.2 KiB
C
111 lines
4.2 KiB
C
#include "py/objtuple.h"
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#include "boards/espressif_esp32s3_lcd_ev/board.h"
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#include "shared-bindings/board/__init__.h"
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#include "shared-module/displayio/__init__.h"
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STATIC const mp_rom_map_elem_t tft_io_expander_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_i2c_address), MP_ROM_INT(0x20)},
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{ MP_ROM_QSTR(MP_QSTR_gpio_address), MP_ROM_INT(1)},
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{ MP_ROM_QSTR(MP_QSTR_gpio_data_len), MP_ROM_INT(1)},
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{ MP_ROM_QSTR(MP_QSTR_gpio_data), MP_ROM_INT(0xF1)},
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{ MP_ROM_QSTR(MP_QSTR_cs_bit), MP_ROM_INT(1)},
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{ MP_ROM_QSTR(MP_QSTR_mosi_bit), MP_ROM_INT(3)},
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{ MP_ROM_QSTR(MP_QSTR_clk_bit), MP_ROM_INT(2)},
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{ MP_ROM_QSTR(MP_QSTR_i2c_init_sequence), &i2c_init_byte_obj},
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};
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MP_DEFINE_CONST_DICT(tft_io_expander_dict, tft_io_expander_table);
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STATIC const mp_rom_obj_tuple_t tft_r_pins = {
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{&mp_type_tuple},
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5,
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{
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MP_ROM_PTR(&pin_GPIO1),
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MP_ROM_PTR(&pin_GPIO2),
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MP_ROM_PTR(&pin_GPIO42),
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MP_ROM_PTR(&pin_GPIO41),
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MP_ROM_PTR(&pin_GPIO40),
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}
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};
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STATIC const mp_rom_obj_tuple_t tft_g_pins = {
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{&mp_type_tuple},
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6,
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{
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MP_ROM_PTR(&pin_GPIO21),
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MP_ROM_PTR(&pin_GPIO47),
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MP_ROM_PTR(&pin_GPIO48),
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MP_ROM_PTR(&pin_GPIO45),
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MP_ROM_PTR(&pin_GPIO38),
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MP_ROM_PTR(&pin_GPIO39),
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}
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};
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STATIC const mp_rom_obj_tuple_t tft_b_pins = {
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{&mp_type_tuple},
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5,
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{
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MP_ROM_PTR(&pin_GPIO10),
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MP_ROM_PTR(&pin_GPIO11),
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MP_ROM_PTR(&pin_GPIO12),
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MP_ROM_PTR(&pin_GPIO13),
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MP_ROM_PTR(&pin_GPIO14),
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}
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};
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STATIC const mp_rom_map_elem_t tft_pins_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_de), MP_ROM_PTR(&pin_GPIO17) },
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{ MP_ROM_QSTR(MP_QSTR_vsync), MP_ROM_PTR(&pin_GPIO3) },
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{ MP_ROM_QSTR(MP_QSTR_hsync), MP_ROM_PTR(&pin_GPIO46) },
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{ MP_ROM_QSTR(MP_QSTR_dclk), MP_ROM_PTR(&pin_GPIO9) },
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{ MP_ROM_QSTR(MP_QSTR_red), MP_ROM_PTR(&tft_r_pins) },
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{ MP_ROM_QSTR(MP_QSTR_green), MP_ROM_PTR(&tft_g_pins) },
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{ MP_ROM_QSTR(MP_QSTR_blue), MP_ROM_PTR(&tft_b_pins) },
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};
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MP_DEFINE_CONST_DICT(tft_pins_dict, tft_pins_table);
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STATIC const mp_rom_map_elem_t tft_timings_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_frequency), MP_ROM_INT(6500000) }, // nominal 16MHz, but display is unstable/tears at that frequency
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{ MP_ROM_QSTR(MP_QSTR_width), MP_ROM_INT(480) },
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{ MP_ROM_QSTR(MP_QSTR_height), MP_ROM_INT(480) },
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{ MP_ROM_QSTR(MP_QSTR_hsync_pulse_width), MP_ROM_INT(13) },
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{ MP_ROM_QSTR(MP_QSTR_hsync_front_porch), MP_ROM_INT(20) },
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{ MP_ROM_QSTR(MP_QSTR_hsync_back_porch), MP_ROM_INT(40) },
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{ MP_ROM_QSTR(MP_QSTR_hsync_idle_low), MP_ROM_FALSE },
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{ MP_ROM_QSTR(MP_QSTR_vsync_pulse_width), MP_ROM_INT(15) },
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{ MP_ROM_QSTR(MP_QSTR_vsync_front_porch), MP_ROM_INT(20) },
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{ MP_ROM_QSTR(MP_QSTR_vsync_back_porch), MP_ROM_INT(40) },
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{ MP_ROM_QSTR(MP_QSTR_vsync_idle_low), MP_ROM_FALSE },
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{ MP_ROM_QSTR(MP_QSTR_de_idle_high), MP_ROM_FALSE },
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{ MP_ROM_QSTR(MP_QSTR_pclk_active_high), MP_ROM_FALSE },
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{ MP_ROM_QSTR(MP_QSTR_pclk_idle_high), MP_ROM_FALSE },
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};
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MP_DEFINE_CONST_DICT(tft_timings_dict, tft_timings_table);
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STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
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CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
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{ MP_ROM_QSTR(MP_QSTR_TFT_PINS), MP_ROM_PTR(&tft_pins_dict) },
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{ MP_ROM_QSTR(MP_QSTR_TFT_TIMINGS), MP_ROM_PTR(&tft_timings_dict) },
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{ MP_ROM_QSTR(MP_QSTR_TFT_IO_EXPANDER), MP_ROM_PTR(&tft_io_expander_dict) },
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{ MP_ROM_QSTR(MP_QSTR_TFT_INIT_SEQUENCE), &display_init_byte_obj},
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{ MP_ROM_QSTR(MP_QSTR_I2S_SCK), MP_ROM_PTR(&pin_GPIO16) },
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{ MP_ROM_QSTR(MP_QSTR_I2S_MCLK), MP_ROM_PTR(&pin_GPIO5) },
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{ MP_ROM_QSTR(MP_QSTR_I2S_WS), MP_ROM_PTR(&pin_GPIO7) },
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{ MP_ROM_QSTR(MP_QSTR_I2S_SDO), MP_ROM_PTR(&pin_GPIO6) },
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{ MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO43) },
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{ MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO44) },
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{ MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(DEFAULT_I2C_BUS_SCL) },
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{ MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(DEFAULT_I2C_BUS_SDA) },
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{ MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].display) },
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// boot mode button can be used in SW as well
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{ MP_ROM_QSTR(MP_QSTR_BUTTON), MP_ROM_PTR(&pin_GPIO0) },
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{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
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};
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MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);
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