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style: enforce coding standard — headers, @brief on #define, Doxygen on statics, remove _ prefix, max 8 lines per function

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This commit is contained in:
Kevin Thomas
2026-04-16 22:44:43 -04:00
parent 0833c32c94
commit 433263eac0
309 changed files with 10464 additions and 6668 deletions
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drivers/0x08_lcd1602_cbm/Src/image_def.c
+30 -21
View File
@@ -1,25 +1,34 @@
/**
******************************************************************************
* @file image_def.c
* @author Kevin Thomas
* @brief RP2350 IMAGE_DEF block for boot ROM image recognition.
*
* Must appear within the first 4 KB of flash for the boot ROM
* to accept the image.
*
******************************************************************************
* @attention
*
* Copyright (c) 2026 Kevin Thomas.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
* @file image_def.c
* @brief RP2350 IMAGE_DEF block for boot ROM image recognition.
* @author Kevin Thomas
* @date 2026
*
* Must appear within the first 4 KB of flash for the boot ROM
* to accept the image.
*
* MIT License
*
* Copyright (c) 2026 Kevin Thomas
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdint.h>
__attribute__((section(".embedded_block"), used))
drivers/0x08_lcd1602_cbm/Src/main.c
+41 -31
View File
@@ -1,41 +1,51 @@
/**
******************************************************************************
* @file main.c
* @author Kevin Thomas
* @brief LCD1602 demonstration: static title and live counter display.
*
* Drives a 16x2 HD44780 LCD via a PCF8574 I2C backpack. Line 0
* shows a static title ("Reverse Eng.") and line 1 displays a
* counter that increments every second. The counter value is
* also printed over UART for debugging.
*
* Wiring:
* GPIO0 -> UART TX (USB-to-UART adapter RX)
* GPIO1 -> UART RX (USB-to-UART adapter TX)
* GPIO2 -> PCF8574 backpack SDA (4.7 kohm pull-up to 3.3 V)
* GPIO3 -> PCF8574 backpack SCL (4.7 kohm pull-up to 3.3 V)
* 3.3V -> PCF8574 backpack VCC
* GND -> PCF8574 backpack GND
*
******************************************************************************
* @attention
*
* Copyright (c) 2026 Kevin Thomas.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
* @file main.c
* @brief LCD1602 demonstration: static title and live counter display.
* @author Kevin Thomas
* @date 2026
*
* Drives a 16x2 HD44780 LCD via a PCF8574 I2C backpack. Line 0
* shows a static title ("Reverse Eng.") and line 1 displays a
* counter that increments every second. The counter value is
* also printed over UART for debugging.
*
* Wiring:
* GPIO0 -> UART TX (USB-to-UART adapter RX)
* GPIO1 -> UART RX (USB-to-UART adapter TX)
* GPIO2 -> PCF8574 backpack SDA (4.7 kohm pull-up to 3.3 V)
* GPIO3 -> PCF8574 backpack SCL (4.7 kohm pull-up to 3.3 V)
* 3.3V -> PCF8574 backpack VCC
* GND -> PCF8574 backpack GND
*
* MIT License
*
* Copyright (c) 2026 Kevin Thomas
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "rp2350_i2c.h"
#include "rp2350_lcd1602.h"
#include "rp2350_uart.h"
#include "rp2350_xosc.h"
#include "rp2350_delay.h"
/** @brief Delay between LCD counter updates in milliseconds */
#define COUNT_DELAY_MS 1000
/**
drivers/0x08_lcd1602_cbm/Src/rp2350_delay.c
+30 -21
View File
@@ -1,25 +1,34 @@
/**
******************************************************************************
* @file rp2350_delay.c
* @author Kevin Thomas
* @brief Delay driver implementation for RP2350.
*
* Busy-wait millisecond and microsecond delays calibrated for
* a 12 MHz clock.
*
******************************************************************************
* @attention
*
* Copyright (c) 2026 Kevin Thomas.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
* @file rp2350_delay.c
* @brief Delay driver implementation for RP2350.
* @author Kevin Thomas
* @date 2026
*
* Busy-wait millisecond and microsecond delays calibrated for
* a 12 MHz clock.
*
* MIT License
*
* Copyright (c) 2026 Kevin Thomas
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "rp2350_delay.h"
void delay_ms(uint32_t ms)
drivers/0x08_lcd1602_cbm/Src/rp2350_i2c.c
+43 -34
View File
@@ -1,28 +1,37 @@
/**
******************************************************************************
* @file rp2350_i2c.c
* @author Kevin Thomas
* @brief RP2350 I2C1 master-mode driver implementation.
*
* Bare-metal driver for the RP2350 Synopsys DW APB I2C controller.
* Configures I2C1 at 100 kHz on SDA=GPIO2 / SCL=GPIO3 with
* internal pull-ups. Provides target selection and single-byte
* write. All register accesses verified against the RP2350
* datasheet (RP-008373-DS-2).
*
******************************************************************************
* @attention
*
* Copyright (c) 2026 Kevin Thomas.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
* @file rp2350_i2c.c
* @brief RP2350 I2C1 master-mode driver implementation.
* @author Kevin Thomas
* @date 2026
*
* Bare-metal driver for the RP2350 Synopsys DW APB I2C controller.
* Configures I2C1 at 100 kHz on SDA=GPIO2 / SCL=GPIO3 with
* internal pull-ups. Provides target selection and single-byte
* write. All register accesses verified against the RP2350
* datasheet (RP-008373-DS-2).
*
* MIT License
*
* Copyright (c) 2026 Kevin Thomas
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "rp2350_i2c.h"
/**
@@ -33,7 +42,7 @@
*
* @retval None
*/
static void _i2c_config_pads(void)
static void i2c_config_pads(void)
{
uint32_t pad_val = (1U << PADS_BANK0_IE_SHIFT) | (1U << PADS_BANK0_PUE_SHIFT) | (1U << 4);
PADS_BANK0->GPIO[I2C_SDA_PIN] = pad_val;
@@ -44,7 +53,7 @@ static void _i2c_config_pads(void)
* @brief Set GPIO2 and GPIO3 IO mux function to I2C (FUNCSEL=3).
* @retval None
*/
static void _i2c_config_gpio(void)
static void i2c_config_gpio(void)
{
IO_BANK0->GPIO[I2C_SDA_PIN].CTRL = IO_BANK0_CTRL_FUNCSEL_I2C;
IO_BANK0->GPIO[I2C_SCL_PIN].CTRL = IO_BANK0_CTRL_FUNCSEL_I2C;
@@ -58,7 +67,7 @@ static void _i2c_config_gpio(void)
*
* @retval None
*/
static void _i2c_config_con(void)
static void i2c_config_con(void)
{
I2C1->CON = (1U << I2C_CON_MASTER_MODE_SHIFT)
| (I2C_CON_SPEED_FAST << I2C_CON_SPEED_SHIFT)
@@ -75,7 +84,7 @@ static void _i2c_config_con(void)
*
* @retval None
*/
static void _i2c_config_timing(void)
static void i2c_config_timing(void)
{
I2C1->FS_SCL_HCNT = I2C_FS_SCL_HCNT_VAL;
I2C1->FS_SCL_LCNT = I2C_FS_SCL_LCNT_VAL;
@@ -115,7 +124,7 @@ static bool check_stop(void)
* @brief Wait for a STOP_DET or TX_ABRT interrupt, then clear it.
* @retval None
*/
static void _i2c_wait_done(void)
static void i2c_wait_done(void)
{
uint32_t timeout = I2C_TIMEOUT;
while (timeout > 0U)
@@ -135,13 +144,13 @@ void i2c_release_reset(void)
void i2c_init(void)
{
_i2c_config_pads();
_i2c_config_gpio();
i2c_config_pads();
i2c_config_gpio();
I2C1->ENABLE = 0U;
_i2c_config_con();
i2c_config_con();
I2C1->TX_TL = 0U;
I2C1->RX_TL = 0U;
_i2c_config_timing();
i2c_config_timing();
I2C1->ENABLE = 1U;
}
@@ -156,5 +165,5 @@ void i2c_write_byte(uint8_t data)
{
(void)I2C1->CLR_TX_ABRT;
I2C1->DATA_CMD = data | (1U << I2C_DATA_CMD_STOP_SHIFT);
_i2c_wait_done();
i2c_wait_done();
}
drivers/0x08_lcd1602_cbm/Src/rp2350_lcd1602.c
+43 -34
View File
@@ -1,27 +1,36 @@
/**
******************************************************************************
* @file rp2350_lcd1602.c
* @author Kevin Thomas
* @brief LCD1602 driver implementation for RP2350.
*
* Drives a 16x2 HD44780 LCD through a PCF8574 I2C backpack
* in 4-bit mode. Each nibble is latched by pulsing the EN
* line via single-byte I2C writes to the PCF8574. All
* timing margins exceed HD44780 datasheet minimums.
*
******************************************************************************
* @attention
*
* Copyright (c) 2026 Kevin Thomas.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
* @file rp2350_lcd1602.c
* @brief LCD1602 driver implementation for RP2350.
* @author Kevin Thomas
* @date 2026
*
* Drives a 16x2 HD44780 LCD through a PCF8574 I2C backpack
* in 4-bit mode. Each nibble is latched by pulsing the EN
* line via single-byte I2C writes to the PCF8574. All
* timing margins exceed HD44780 datasheet minimums.
*
* MIT License
*
* Copyright (c) 2026 Kevin Thomas
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "rp2350_lcd1602.h"
#include "rp2350_i2c.h"
#include "rp2350_delay.h"
@@ -49,7 +58,7 @@ static void lcd_pulse_enable(uint8_t data)
* @param mode 0 for command, non-zero for character data
* @retval None
*/
static void _lcd_write4(uint8_t nibble, uint8_t mode)
static void lcd_write4(uint8_t nibble, uint8_t mode)
{
uint8_t data = (nibble & 0x0FU) << LCD_NIBBLE_SHIFT;
data |= mode ? LCD_PIN_RS : 0U;
@@ -65,8 +74,8 @@ static void _lcd_write4(uint8_t nibble, uint8_t mode)
*/
static void lcd_send(uint8_t value, uint8_t mode)
{
_lcd_write4((value >> 4) & 0x0FU, mode);
_lcd_write4(value & 0x0FU, mode);
lcd_write4((value >> 4) & 0x0FU, mode);
lcd_write4(value & 0x0FU, mode);
}
/**
@@ -77,15 +86,15 @@ static void lcd_send(uint8_t value, uint8_t mode)
*
* @retval None
*/
static void _lcd_hd44780_reset(void)
static void lcd_hd44780_reset(void)
{
_lcd_write4(0x03, 0);
lcd_write4(0x03, 0);
delay_ms(5);
_lcd_write4(0x03, 0);
lcd_write4(0x03, 0);
delay_us(150);
_lcd_write4(0x03, 0);
lcd_write4(0x03, 0);
delay_us(150);
_lcd_write4(0x02, 0);
lcd_write4(0x02, 0);
delay_us(150);
}
@@ -98,7 +107,7 @@ static void _lcd_hd44780_reset(void)
*
* @retval None
*/
static void _lcd_hd44780_configure(void)
static void lcd_hd44780_configure(void)
{
lcd_send(LCD_CMD_FUNCTION_SET_4BIT, 0);
lcd_send(LCD_CMD_DISPLAY_ON, 0);
@@ -110,8 +119,8 @@ static void _lcd_hd44780_configure(void)
void lcd_init(void)
{
i2c_set_target(LCD_I2C_ADDR);
_lcd_hd44780_reset();
_lcd_hd44780_configure();
lcd_hd44780_reset();
lcd_hd44780_configure();
}
void lcd_clear(void)
drivers/0x08_lcd1602_cbm/Src/rp2350_reset.c
+30 -21
View File
@@ -1,25 +1,34 @@
/**
******************************************************************************
* @file rp2350_reset.c
* @author Kevin Thomas
* @brief Reset controller driver implementation for RP2350.
*
* Releases IO_BANK0 from reset and waits until the subsystem
* is ready.
*
******************************************************************************
* @attention
*
* Copyright (c) 2026 Kevin Thomas.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
* @file rp2350_reset.c
* @brief Reset controller driver implementation for RP2350.
* @author Kevin Thomas
* @date 2026
*
* Releases IO_BANK0 from reset and waits until the subsystem
* is ready.
*
* MIT License
*
* Copyright (c) 2026 Kevin Thomas
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "rp2350_reset.h"
void reset_init_subsystem(void)
drivers/0x08_lcd1602_cbm/Src/rp2350_reset_handler.c
+31 -22
View File
@@ -1,26 +1,35 @@
/**
******************************************************************************
* @file rp2350_reset_handler.c
* @author Kevin Thomas
* @brief Reset handler implementation for RP2350.
*
* Entry point after power-on or system reset. Initializes the
* stack, XOSC, subsystem resets, UART, then branches
* to main().
*
******************************************************************************
* @attention
*
* Copyright (c) 2026 Kevin Thomas.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
* @file rp2350_reset_handler.c
* @brief Reset handler implementation for RP2350.
* @author Kevin Thomas
* @date 2026
*
* Entry point after power-on or system reset. Initializes the
* stack, XOSC, subsystem resets, UART, then branches
* to main().
*
* MIT License
*
* Copyright (c) 2026 Kevin Thomas
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "rp2350_reset_handler.h"
#include "rp2350_stack.h"
#include "rp2350_xosc.h"
drivers/0x08_lcd1602_cbm/Src/rp2350_stack.c
+29 -20
View File
@@ -1,24 +1,33 @@
/**
******************************************************************************
* @file rp2350_stack.c
* @author Kevin Thomas
* @brief Stack pointer initialization for RP2350.
*
* Sets MSP, PSP, MSPLIM, and PSPLIM using inline assembly.
*
******************************************************************************
* @attention
*
* Copyright (c) 2026 Kevin Thomas.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
* @file rp2350_stack.c
* @brief Stack pointer initialization for RP2350.
* @author Kevin Thomas
* @date 2026
*
* Sets MSP, PSP, MSPLIM, and PSPLIM using inline assembly.
*
* MIT License
*
* Copyright (c) 2026 Kevin Thomas
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "rp2350_stack.h"
void stack_init(void)
drivers/0x08_lcd1602_cbm/Src/rp2350_uart.c
+31 -21
View File
@@ -1,27 +1,37 @@
/**
******************************************************************************
* @file rp2350_uart.c
* @author Kevin Thomas
* @brief UART0 driver implementation for RP2350.
*
* Configures UART0 on GPIO 0 (TX) and GPIO 1 (RX) at 115200
* baud using the 12 MHz XOSC clock.
*
******************************************************************************
* @attention
*
* Copyright (c) 2026 Kevin Thomas.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
* @file rp2350_uart.c
* @brief UART0 driver implementation for RP2350.
* @author Kevin Thomas
* @date 2026
*
* Configures UART0 on GPIO 0 (TX) and GPIO 1 (RX) at 115200
* baud using the 12 MHz XOSC clock.
*
* MIT License
*
* Copyright (c) 2026 Kevin Thomas
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "rp2350_uart.h"
/** @brief Base address pointer for UART0 peripheral registers */
#define UART_BASE ((volatile uint32_t *) UART0_BASE)
/**
drivers/0x08_lcd1602_cbm/Src/rp2350_xosc.c
+30 -21
View File
@@ -1,25 +1,34 @@
/**
******************************************************************************
* @file rp2350_xosc.c
* @author Kevin Thomas
* @brief XOSC driver implementation for RP2350.
*
* Configures the external crystal oscillator and enables the
* peripheral clock sourced from XOSC.
*
******************************************************************************
* @attention
*
* Copyright (c) 2026 Kevin Thomas.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
* @file rp2350_xosc.c
* @brief XOSC driver implementation for RP2350.
* @author Kevin Thomas
* @date 2026
*
* Configures the external crystal oscillator and enables the
* peripheral clock sourced from XOSC.
*
* MIT License
*
* Copyright (c) 2026 Kevin Thomas
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "rp2350_xosc.h"
void xosc_init(void)
drivers/0x08_lcd1602_cbm/Src/vector_table.c
+31 -22
View File
@@ -1,26 +1,35 @@
/**
******************************************************************************
* @file vector_table.c
* @author Kevin Thomas
* @brief Vector table with initial stack pointer and reset handler.
*
* Placed in the .vectors section at the start of flash.
* The Thumb bit (bit 0 = 1) is automatically set by the
* linker for function pointers in Thumb mode.
*
******************************************************************************
* @attention
*
* Copyright (c) 2026 Kevin Thomas.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
* @file vector_table.c
* @brief Vector table with initial stack pointer and reset handler.
* @author Kevin Thomas
* @date 2026
*
* Placed in the .vectors section at the start of flash.
* The Thumb bit (bit 0 = 1) is automatically set by the
* linker for function pointers in Thumb mode.
*
* MIT License
*
* Copyright (c) 2026 Kevin Thomas
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdint.h>
extern uint32_t _stack_top;