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-rw-r--r--wirish/stm32f1/boards_setup.cpp89
-rw-r--r--wirish/stm32f1/util_hooks.c83
-rw-r--r--wirish/stm32f1/wirish_debug.cpp41
-rw-r--r--wirish/stm32f1/wirish_digital.cpp89
4 files changed, 302 insertions, 0 deletions
diff --git a/wirish/stm32f1/boards_setup.cpp b/wirish/stm32f1/boards_setup.cpp
new file mode 100644
index 0000000..11872d5
--- /dev/null
+++ b/wirish/stm32f1/boards_setup.cpp
@@ -0,0 +1,89 @@
+/******************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2012 LeafLabs, LLC.
+ *
+ * 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 wirish/stm32f1/boards_setup.cpp
+ * @author Marti Bolivar <mbolivar@leaflabs.com>
+ * @brief STM32F1 chip setup.
+ *
+ * This file controls how init() behaves on the STM32F1. Be very
+ * careful when changing anything here. Many of these values depend
+ * upon each other.
+ */
+
+#include "boards_private.h"
+
+#include <libmaple/gpio.h>
+#include <libmaple/timer.h>
+
+#include <wirish/boards.h>
+#include <wirish/usb_serial.h>
+
+// Allow boards to provide a PLL multiplier. This is useful for
+// e.g. STM32F100 value line MCUs, which use slower multipliers.
+// (We're leaving the default to RCC_PLLMUL_9 for now, since that
+// works for F103 performance line MCUs, which is all that LeafLabs
+// currently officially supports).
+#ifndef BOARD_RCC_PLLMUL
+#define BOARD_RCC_PLLMUL RCC_PLLMUL_9
+#endif
+
+namespace wirish {
+ namespace priv {
+
+ static stm32f1_rcc_pll_data pll_data = {BOARD_RCC_PLLMUL};
+ __weak rcc_pll_cfg w_board_pll_cfg = {RCC_PLLSRC_HSE, &pll_data};
+ __weak adc_prescaler w_adc_pre = ADC_PRE_PCLK2_DIV_6;
+ __weak adc_smp_rate w_adc_smp = ADC_SMPR_55_5;
+
+ __weak void board_reset_pll(void) {
+ // TODO
+ }
+
+ __weak void board_setup_clock_prescalers(void) {
+ rcc_set_prescaler(RCC_PRESCALER_AHB, RCC_AHB_SYSCLK_DIV_1);
+ rcc_set_prescaler(RCC_PRESCALER_APB1, RCC_APB1_HCLK_DIV_2);
+ rcc_set_prescaler(RCC_PRESCALER_APB2, RCC_APB2_HCLK_DIV_1);
+ }
+
+ __weak void board_setup_gpio(void) {
+ gpio_init_all();
+ }
+
+ __weak void board_setup_usb(void) {
+#if BOARD_HAVE_SERIALUSB
+ SerialUSB.begin();
+#endif
+ }
+
+ __weak void series_init(void) {
+ // Initialize AFIO here, too, so peripheral remaps and external
+ // interrupts work out of the box.
+ afio_init();
+ }
+
+ }
+}
diff --git a/wirish/stm32f1/util_hooks.c b/wirish/stm32f1/util_hooks.c
new file mode 100644
index 0000000..8f798a1
--- /dev/null
+++ b/wirish/stm32f1/util_hooks.c
@@ -0,0 +1,83 @@
+/******************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung (from libmaple/util.c).
+ * Copyright (c) 2012 LeafLabs, LLC.
+ *
+ * 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.
+ *****************************************************************************/
+
+/*
+ * STM32F1 implementations for libmaple/util.c hooks
+ *
+ * These need more love and attention before being made public API
+ * (this includes being easily overridable by user code).
+ */
+
+#include <libmaple/nvic.h>
+#include <libmaple/gpio.h>
+#include <libmaple/stm32.h>
+#include <libmaple/timer.h>
+#include <libmaple/adc.h>
+#include <libmaple/usart.h>
+
+/* Failed ASSERT()s send out a message using this USART config. */
+#ifndef ERROR_USART
+#define ERROR_USART USART2
+#define ERROR_USART_BAUD 9600
+#define ERROR_TX_PORT GPIOA
+#define ERROR_TX_PIN 2
+#endif
+
+/*
+ * Disables all peripheral interrupts except USB (when available),
+ * turns off commonly-used peripherals. Called by __error() with
+ * global interrupts disabled.
+ */
+void __lm_error(void) {
+ /* Turn off peripheral interrupts */
+ nvic_irq_disable_all();
+
+ /* Turn off timers */
+ timer_disable_all();
+
+ /* Turn off ADC */
+ adc_disable_all();
+
+ /* Turn off all USARTs */
+ usart_disable_all();
+
+#if STM32_HAVE_USB
+ /* Turn the USB interrupt back on so the bootloader keeps on functioning */
+ nvic_irq_enable(NVIC_USB_HP_CAN_TX);
+ nvic_irq_enable(NVIC_USB_LP_CAN_RX0);
+#endif
+}
+
+/*
+ * Enable the error USART for writing.
+ */
+usart_dev* __lm_enable_error_usart() {
+ gpio_set_mode(ERROR_TX_PORT, ERROR_TX_PIN, GPIO_AF_OUTPUT_PP);
+ usart_init(ERROR_USART);
+ usart_set_baud_rate(ERROR_USART, USART_USE_PCLK, ERROR_USART_BAUD);
+ return ERROR_USART;
+}
diff --git a/wirish/stm32f1/wirish_debug.cpp b/wirish/stm32f1/wirish_debug.cpp
new file mode 100644
index 0000000..28de96d
--- /dev/null
+++ b/wirish/stm32f1/wirish_debug.cpp
@@ -0,0 +1,41 @@
+/******************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2011, 2012 LeafLabs, LLC.
+ *
+ * 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 wirish/stm32f1/wirish_debug.cpp
+ * @brief High level debug port configuration
+ */
+
+#include <wirish/wirish_debug.h>
+#include <libmaple/gpio.h>
+
+void disableDebugPorts(void) {
+ afio_cfg_debug_ports(AFIO_DEBUG_NONE);
+}
+
+void enableDebugPorts(void) {
+ afio_cfg_debug_ports(AFIO_DEBUG_FULL_SWJ);
+}
diff --git a/wirish/stm32f1/wirish_digital.cpp b/wirish/stm32f1/wirish_digital.cpp
new file mode 100644
index 0000000..8371b0e
--- /dev/null
+++ b/wirish/stm32f1/wirish_digital.cpp
@@ -0,0 +1,89 @@
+/******************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ * Copyright (c) 2012 LeafLabs, LLC.
+ *
+ * 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.
+ *****************************************************************************/
+
+/*
+ * STM32F1 implementations for basic GPIO functionality.
+ */
+
+#include <wirish/io.h>
+
+#include <libmaple/gpio.h>
+#include <libmaple/timer.h>
+
+#include <wirish/boards.h>
+
+void pinMode(uint8 pin, WiringPinMode mode) {
+ gpio_pin_mode outputMode;
+ bool pwm = false;
+
+ if (pin >= BOARD_NR_GPIO_PINS) {
+ return;
+ }
+
+ switch(mode) {
+ case OUTPUT:
+ outputMode = GPIO_OUTPUT_PP;
+ break;
+ case OUTPUT_OPEN_DRAIN:
+ outputMode = GPIO_OUTPUT_OD;
+ break;
+ case INPUT:
+ case INPUT_FLOATING:
+ outputMode = GPIO_INPUT_FLOATING;
+ break;
+ case INPUT_ANALOG:
+ outputMode = GPIO_INPUT_ANALOG;
+ break;
+ case INPUT_PULLUP:
+ outputMode = GPIO_INPUT_PU;
+ break;
+ case INPUT_PULLDOWN:
+ outputMode = GPIO_INPUT_PD;
+ break;
+ case PWM:
+ outputMode = GPIO_AF_OUTPUT_PP;
+ pwm = true;
+ break;
+ case PWM_OPEN_DRAIN:
+ outputMode = GPIO_AF_OUTPUT_OD;
+ pwm = true;
+ break;
+ default:
+ ASSERT(0);
+ return;
+ }
+
+ gpio_set_mode(PIN_MAP[pin].gpio_device, PIN_MAP[pin].gpio_bit, outputMode);
+
+ if (PIN_MAP[pin].timer_device != NULL) {
+ /* Enable/disable timer channels if we're switching into or
+ * out of PWM. */
+ timer_set_mode(PIN_MAP[pin].timer_device,
+ PIN_MAP[pin].timer_channel,
+ pwm ? TIMER_PWM : TIMER_DISABLED);
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 22:45:54 +0000