mirror of
https://github.com/firewalkwithm3/Sensor-Watch.git
synced 2024-11-22 11:10:29 +08:00
move debug uart methods, clarify license info
This commit is contained in:
parent
90211a7588
commit
f9c8a935e6
|
@ -1,126 +0,0 @@
|
||||||
/*
|
|
||||||
* Copyright (c) 2014-2016, Alex Taradov <alex@taradov.com>
|
|
||||||
* All rights reserved.
|
|
||||||
*
|
|
||||||
* Redistribution and use in source and binary forms, with or without
|
|
||||||
* modification, are permitted provided that the following conditions are met:
|
|
||||||
*
|
|
||||||
* 1. Redistributions of source code must retain the above copyright notice,
|
|
||||||
* this list of conditions and the following disclaimer.
|
|
||||||
* 2. Redistributions in binary form must reproduce the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer in the
|
|
||||||
* documentation and/or other materials provided with the distribution.
|
|
||||||
* 3. The name of the author may not be used to endorse or promote products
|
|
||||||
* derived from this software without specific prior written permission.
|
|
||||||
*
|
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
||||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
||||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
||||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
|
||||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
||||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
||||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
||||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
||||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
||||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
||||||
* POSSIBILITY OF SUCH DAMAGE.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifndef _HAL_GPIO_H_
|
|
||||||
#define _HAL_GPIO_H_
|
|
||||||
|
|
||||||
/*- Definitions -------------------------------------------------------------*/
|
|
||||||
#define HAL_GPIO_PORTA 0
|
|
||||||
#define HAL_GPIO_PORTB 1
|
|
||||||
#define HAL_GPIO_PORTC 2
|
|
||||||
|
|
||||||
#define HAL_GPIO_PMUX_A 0
|
|
||||||
#define HAL_GPIO_PMUX_B 1
|
|
||||||
#define HAL_GPIO_PMUX_C 2
|
|
||||||
#define HAL_GPIO_PMUX_D 3
|
|
||||||
#define HAL_GPIO_PMUX_E 4
|
|
||||||
#define HAL_GPIO_PMUX_F 5
|
|
||||||
#define HAL_GPIO_PMUX_G 6
|
|
||||||
#define HAL_GPIO_PMUX_H 7
|
|
||||||
#define HAL_GPIO_PMUX_I 8
|
|
||||||
|
|
||||||
#define HAL_GPIO_PIN(name, port, pin) \
|
|
||||||
static inline void HAL_GPIO_##name##_set(void) \
|
|
||||||
{ \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].OUTSET.reg = (1 << pin); \
|
|
||||||
(void)HAL_GPIO_##name##_set; \
|
|
||||||
} \
|
|
||||||
\
|
|
||||||
static inline void HAL_GPIO_##name##_clr(void) \
|
|
||||||
{ \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].OUTCLR.reg = (1 << pin); \
|
|
||||||
(void)HAL_GPIO_##name##_clr; \
|
|
||||||
} \
|
|
||||||
\
|
|
||||||
static inline void HAL_GPIO_##name##_toggle(void) \
|
|
||||||
{ \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].OUTTGL.reg = (1 << pin); \
|
|
||||||
(void)HAL_GPIO_##name##_toggle; \
|
|
||||||
} \
|
|
||||||
\
|
|
||||||
static inline void HAL_GPIO_##name##_write(int value) \
|
|
||||||
{ \
|
|
||||||
if (value) \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].OUTSET.reg = (1 << pin); \
|
|
||||||
else \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].OUTCLR.reg = (1 << pin); \
|
|
||||||
(void)HAL_GPIO_##name##_write; \
|
|
||||||
} \
|
|
||||||
\
|
|
||||||
static inline void HAL_GPIO_##name##_in(void) \
|
|
||||||
{ \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].DIRCLR.reg = (1 << pin); \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg |= PORT_PINCFG_INEN; \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg &= ~PORT_PINCFG_PULLEN; \
|
|
||||||
(void)HAL_GPIO_##name##_in; \
|
|
||||||
} \
|
|
||||||
\
|
|
||||||
static inline void HAL_GPIO_##name##_out(void) \
|
|
||||||
{ \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].DIRSET.reg = (1 << pin); \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg |= PORT_PINCFG_INEN; \
|
|
||||||
(void)HAL_GPIO_##name##_out; \
|
|
||||||
} \
|
|
||||||
\
|
|
||||||
static inline void HAL_GPIO_##name##_pullup(void) \
|
|
||||||
{ \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].OUTSET.reg = (1 << pin); \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg |= PORT_PINCFG_PULLEN; \
|
|
||||||
(void)HAL_GPIO_##name##_pullup; \
|
|
||||||
} \
|
|
||||||
\
|
|
||||||
static inline int HAL_GPIO_##name##_read(void) \
|
|
||||||
{ \
|
|
||||||
return (PORT->Group[HAL_GPIO_PORT##port].IN.reg & (1 << pin)) != 0; \
|
|
||||||
(void)HAL_GPIO_##name##_read; \
|
|
||||||
} \
|
|
||||||
\
|
|
||||||
static inline int HAL_GPIO_##name##_state(void) \
|
|
||||||
{ \
|
|
||||||
return (PORT->Group[HAL_GPIO_PORT##port].DIR.reg & (1 << pin)) != 0; \
|
|
||||||
(void)HAL_GPIO_##name##_state; \
|
|
||||||
} \
|
|
||||||
\
|
|
||||||
static inline void HAL_GPIO_##name##_pmuxen(int mux) \
|
|
||||||
{ \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg |= PORT_PINCFG_PMUXEN; \
|
|
||||||
if (pin & 1) \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].PMUX[pin>>1].bit.PMUXO = mux; \
|
|
||||||
else \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].PMUX[pin>>1].bit.PMUXE = mux; \
|
|
||||||
(void)HAL_GPIO_##name##_pmuxen; \
|
|
||||||
} \
|
|
||||||
\
|
|
||||||
static inline void HAL_GPIO_##name##_pmuxdis(void) \
|
|
||||||
{ \
|
|
||||||
PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg &= ~PORT_PINCFG_PMUXEN; \
|
|
||||||
(void)HAL_GPIO_##name##_pmuxdis; \
|
|
||||||
} \
|
|
||||||
|
|
||||||
#endif // _HAL_GPIO_H_
|
|
||||||
|
|
|
@ -1,30 +1,25 @@
|
||||||
/*
|
/*
|
||||||
* Copyright (c) 2021, Joey Castillo
|
* MIT License
|
||||||
* UART methods are Copyright (c) 2014-2017, Alex Taradov <alex@taradov.com>
|
|
||||||
* All rights reserved.
|
|
||||||
*
|
*
|
||||||
* Redistribution and use in source and binary forms, with or without
|
* Copyright (c) 2021 Joey Castillo
|
||||||
* modification, are permitted provided that the following conditions are met:
|
|
||||||
*
|
*
|
||||||
* 1. Redistributions of source code must retain the above copyright notice,
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
* this list of conditions and the following disclaimer.
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
* 2. Redistributions in binary form must reproduce the above copyright
|
* in the Software without restriction, including without limitation the rights
|
||||||
* notice, this list of conditions and the following disclaimer in the
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
* documentation and/or other materials provided with the distribution.
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
* 3. The name of the author may not be used to endorse or promote products
|
* furnished to do so, subject to the following conditions:
|
||||||
* derived from this software without specific prior written permission.
|
|
||||||
*
|
*
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
* The above copyright notice and this permission notice shall be included in all
|
||||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
* copies or substantial portions of the Software.
|
||||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
*
|
||||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
* SOFTWARE.
|
||||||
* POSSIBILITY OF SUCH DAMAGE.
|
|
||||||
*/
|
*/
|
||||||
|
|
||||||
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
||||||
|
@ -35,53 +30,10 @@
|
||||||
#include <stdio.h>
|
#include <stdio.h>
|
||||||
#include "saml22.h"
|
#include "saml22.h"
|
||||||
#include "hal_init.h"
|
#include "hal_init.h"
|
||||||
#include "peripheral_clk_config.h"
|
|
||||||
#include "hal_gpio.h"
|
|
||||||
#include "atmel_start_pins.h"
|
#include "atmel_start_pins.h"
|
||||||
#include "watch.h"
|
#include "watch.h"
|
||||||
|
|
||||||
//-----------------------------------------------------------------------------
|
|
||||||
HAL_GPIO_PIN(UART_TX, B, 0)
|
|
||||||
|
|
||||||
//-----------------------------------------------------------------------------
|
|
||||||
static void uart_init(uint32_t baud) {
|
|
||||||
uint64_t br = (uint64_t)65536 * (CONF_CPU_FREQUENCY - 16 * baud) / CONF_CPU_FREQUENCY;
|
|
||||||
|
|
||||||
HAL_GPIO_UART_TX_out();
|
|
||||||
HAL_GPIO_UART_TX_pmuxen(HAL_GPIO_PMUX_C);
|
|
||||||
|
|
||||||
MCLK->APBCMASK.reg |= MCLK_APBCMASK_SERCOM3;
|
|
||||||
|
|
||||||
GCLK->PCHCTRL[SERCOM3_GCLK_ID_CORE].reg = GCLK_PCHCTRL_GEN(0) | GCLK_PCHCTRL_CHEN;
|
|
||||||
while (0 == (GCLK->PCHCTRL[SERCOM3_GCLK_ID_CORE].reg & GCLK_PCHCTRL_CHEN));
|
|
||||||
|
|
||||||
SERCOM3->USART.CTRLA.reg =
|
|
||||||
SERCOM_USART_CTRLA_DORD | SERCOM_USART_CTRLA_MODE(1/*USART_INT_CLK*/) |
|
|
||||||
SERCOM_USART_CTRLA_RXPO(0/*PAD0*/) | SERCOM_USART_CTRLA_TXPO(1/*PAD2*/);
|
|
||||||
|
|
||||||
SERCOM3->USART.CTRLB.reg = SERCOM_USART_CTRLB_RXEN | SERCOM_USART_CTRLB_TXEN |
|
|
||||||
SERCOM_USART_CTRLB_CHSIZE(0/*8 bits*/);
|
|
||||||
|
|
||||||
SERCOM3->USART.BAUD.reg = (uint16_t)br;
|
|
||||||
|
|
||||||
SERCOM3->USART.CTRLA.reg |= SERCOM_USART_CTRLA_ENABLE;
|
|
||||||
}
|
|
||||||
|
|
||||||
//-----------------------------------------------------------------------------
|
|
||||||
void uart_putc(char c) {
|
|
||||||
while (!(SERCOM3->USART.INTFLAG.reg & SERCOM_USART_INTFLAG_DRE));
|
|
||||||
SERCOM3->USART.DATA.reg = c;
|
|
||||||
}
|
|
||||||
|
|
||||||
//-----------------------------------------------------------------------------
|
|
||||||
void uart_puts(char *s) {
|
|
||||||
while (*s) uart_putc(*s++);
|
|
||||||
}
|
|
||||||
|
|
||||||
int main(void) {
|
int main(void) {
|
||||||
// Temporary, for debugging.
|
|
||||||
// uart_init(115200);
|
|
||||||
|
|
||||||
// ASF code. Initialize the MCU with configuration options from Atmel Studio.
|
// ASF code. Initialize the MCU with configuration options from Atmel Studio.
|
||||||
init_mcu();
|
init_mcu();
|
||||||
|
|
||||||
|
|
|
@ -1,3 +1,26 @@
|
||||||
|
/*
|
||||||
|
* MIT License
|
||||||
|
*
|
||||||
|
* Copyright (c) 2020 Joey Castillo
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*/
|
||||||
////< @file notes.h
|
////< @file notes.h
|
||||||
|
|
||||||
/// @brief 108 notes for use with watch_buzzer_play_note
|
/// @brief 108 notes for use with watch_buzzer_play_note
|
||||||
|
|
|
@ -1,4 +1,29 @@
|
||||||
|
/*
|
||||||
|
* MIT License
|
||||||
|
*
|
||||||
|
* Copyright (c) 2021 Joey Castillo
|
||||||
|
*
|
||||||
|
* 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 "watch.h"
|
#include "watch.h"
|
||||||
|
#include "peripheral_clk_config.h"
|
||||||
#include <stdlib.h>
|
#include <stdlib.h>
|
||||||
|
|
||||||
//////////////////////////////////////////////////////////////////////////////////////////
|
//////////////////////////////////////////////////////////////////////////////////////////
|
||||||
|
@ -502,6 +527,69 @@ uint32_t watch_i2c_read32(int16_t addr, uint8_t reg) {
|
||||||
return data;
|
return data;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
//////////////////////////////////////////////////////////////////////////////////////////
|
||||||
|
// Debug UART
|
||||||
|
|
||||||
|
/*
|
||||||
|
* UART methods are Copyright (c) 2014-2017, Alex Taradov <alex@taradov.com>
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions are met:
|
||||||
|
*
|
||||||
|
* 1. Redistributions of source code must retain the above copyright notice,
|
||||||
|
* this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
* 3. The name of the author may not be used to endorse or promote products
|
||||||
|
* derived from this software without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||||
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
||||||
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||||
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||||
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||||
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||||
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||||
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||||
|
* POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
void watch_enable_debug_uart(uint32_t baud) {
|
||||||
|
uint64_t br = (uint64_t)65536 * (CONF_CPU_FREQUENCY - 16 * baud) / CONF_CPU_FREQUENCY;
|
||||||
|
|
||||||
|
gpio_set_pin_direction(D1, GPIO_DIRECTION_IN);
|
||||||
|
gpio_set_pin_function(D1, PINMUX_PB00C_SERCOM3_PAD2);
|
||||||
|
|
||||||
|
MCLK->APBCMASK.reg |= MCLK_APBCMASK_SERCOM3;
|
||||||
|
|
||||||
|
GCLK->PCHCTRL[SERCOM3_GCLK_ID_CORE].reg = GCLK_PCHCTRL_GEN(0) | GCLK_PCHCTRL_CHEN;
|
||||||
|
while (0 == (GCLK->PCHCTRL[SERCOM3_GCLK_ID_CORE].reg & GCLK_PCHCTRL_CHEN));
|
||||||
|
|
||||||
|
SERCOM3->USART.CTRLA.reg =
|
||||||
|
SERCOM_USART_CTRLA_DORD | SERCOM_USART_CTRLA_MODE(1/*USART_INT_CLK*/) |
|
||||||
|
SERCOM_USART_CTRLA_RXPO(0/*PAD0*/) | SERCOM_USART_CTRLA_TXPO(1/*PAD2*/);
|
||||||
|
|
||||||
|
SERCOM3->USART.CTRLB.reg = SERCOM_USART_CTRLB_RXEN | SERCOM_USART_CTRLB_TXEN |
|
||||||
|
SERCOM_USART_CTRLB_CHSIZE(0/*8 bits*/);
|
||||||
|
|
||||||
|
SERCOM3->USART.BAUD.reg = (uint16_t)br;
|
||||||
|
|
||||||
|
SERCOM3->USART.CTRLA.reg |= SERCOM_USART_CTRLA_ENABLE;
|
||||||
|
}
|
||||||
|
|
||||||
|
void watch_debug_putc(char c) {
|
||||||
|
while (!(SERCOM3->USART.INTFLAG.reg & SERCOM_USART_INTFLAG_DRE));
|
||||||
|
SERCOM3->USART.DATA.reg = c;
|
||||||
|
}
|
||||||
|
|
||||||
|
void watch_debug_puts(char *s) {
|
||||||
|
while (*s) watch_debug_putc(*s++);
|
||||||
|
}
|
||||||
|
|
||||||
//////////////////////////////////////////////////////////////////////////////////////////
|
//////////////////////////////////////////////////////////////////////////////////////////
|
||||||
// Deep Sleep
|
// Deep Sleep
|
||||||
|
|
||||||
|
|
|
@ -1,3 +1,26 @@
|
||||||
|
/*
|
||||||
|
* MIT License
|
||||||
|
*
|
||||||
|
* Copyright (c) 2020 Joey Castillo
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*/
|
||||||
/// @file watch.h
|
/// @file watch.h
|
||||||
|
|
||||||
#ifndef WATCH_H_
|
#ifndef WATCH_H_
|
||||||
|
@ -25,6 +48,7 @@
|
||||||
- @ref gpio - This section covers functions related to general-purpose input and output signals.
|
- @ref gpio - This section covers functions related to general-purpose input and output signals.
|
||||||
- @ref i2c - This section covers functions related to the SAM L22's built-I2C driver, including configuring
|
- @ref i2c - This section covers functions related to the SAM L22's built-I2C driver, including configuring
|
||||||
the I2C bus, putting values directly on the bus and reading data from registers on I2C devices.
|
the I2C bus, putting values directly on the bus and reading data from registers on I2C devices.
|
||||||
|
- @ref debug - This section covers functions related to the debug UART, available on pin D1 of the 9-pin connector.
|
||||||
- @ref deepsleep - This section covers functions related to preparing for and entering BACKUP mode, the
|
- @ref deepsleep - This section covers functions related to preparing for and entering BACKUP mode, the
|
||||||
deepest sleep mode available on the SAM L22.
|
deepest sleep mode available on the SAM L22.
|
||||||
*/
|
*/
|
||||||
|
@ -470,6 +494,28 @@ uint32_t watch_i2c_read24(int16_t addr, uint8_t reg);
|
||||||
uint32_t watch_i2c_read32(int16_t addr, uint8_t reg);
|
uint32_t watch_i2c_read32(int16_t addr, uint8_t reg);
|
||||||
/// @}
|
/// @}
|
||||||
|
|
||||||
|
/** @addtogroup debug Debug UART
|
||||||
|
* @brief This section covers functions related to the debug UART, available on
|
||||||
|
* pin D1 of the 9-pin connector.
|
||||||
|
* @todo Refactor this as a USB CDC so that folks can debug over USB.
|
||||||
|
*/
|
||||||
|
/// @{
|
||||||
|
/** @brief Initializes the debug UART.
|
||||||
|
* @param baud The baud rate
|
||||||
|
*/
|
||||||
|
void watch_enable_debug_uart(uint32_t baud);
|
||||||
|
|
||||||
|
/** @brief Outputs a single character on the debug UART.
|
||||||
|
* @param c The character you wish to output.
|
||||||
|
*/
|
||||||
|
void watch_debug_putc(char c);
|
||||||
|
|
||||||
|
/** @brief Outputs a string on the debug UART.
|
||||||
|
* @param s A null-terminated string.
|
||||||
|
*/
|
||||||
|
void watch_debug_puts(char *s);
|
||||||
|
/// @}
|
||||||
|
|
||||||
|
|
||||||
/** @addtogroup deepsleep Deep Sleep Control
|
/** @addtogroup deepsleep Deep Sleep Control
|
||||||
* @brief This section covers functions related to preparing for and entering BACKUP mode, the
|
* @brief This section covers functions related to preparing for and entering BACKUP mode, the
|
||||||
|
|
Loading…
Reference in a new issue