From dc19a4ecfbf70e11f6c296ba891d4788abe06a8f Mon Sep 17 00:00:00 2001 From: Stephen Caudle Date: Wed, 2 Nov 2011 14:56:37 -0400 Subject: Rename STM32 discovery folders to be more specific --- examples/stm32/f4/stm32-discovery/button/Makefile | 23 ------- examples/stm32/f4/stm32-discovery/button/README | 8 --- examples/stm32/f4/stm32-discovery/button/button.c | 79 ---------------------- examples/stm32/f4/stm32-discovery/button/button.ld | 32 --------- .../stm32/f4/stm32-discovery/fancyblink/Makefile | 23 ------- .../stm32/f4/stm32-discovery/fancyblink/README | 9 --- .../f4/stm32-discovery/fancyblink/fancyblink.c | 61 ----------------- .../f4/stm32-discovery/fancyblink/fancyblink.ld | 32 --------- .../stm32/f4/stm32-discovery/miniblink/Makefile | 23 ------- examples/stm32/f4/stm32-discovery/miniblink/README | 9 --- .../stm32/f4/stm32-discovery/miniblink/miniblink.c | 73 -------------------- .../f4/stm32-discovery/miniblink/miniblink.ld | 32 --------- .../stm32/f4/stm32f4-discovery/button/Makefile | 23 +++++++ examples/stm32/f4/stm32f4-discovery/button/README | 8 +++ .../stm32/f4/stm32f4-discovery/button/button.c | 79 ++++++++++++++++++++++ .../stm32/f4/stm32f4-discovery/button/button.ld | 32 +++++++++ .../stm32/f4/stm32f4-discovery/fancyblink/Makefile | 23 +++++++ .../stm32/f4/stm32f4-discovery/fancyblink/README | 9 +++ .../f4/stm32f4-discovery/fancyblink/fancyblink.c | 61 +++++++++++++++++ .../f4/stm32f4-discovery/fancyblink/fancyblink.ld | 32 +++++++++ .../stm32/f4/stm32f4-discovery/miniblink/Makefile | 23 +++++++ .../stm32/f4/stm32f4-discovery/miniblink/README | 9 +++ .../f4/stm32f4-discovery/miniblink/miniblink.c | 73 ++++++++++++++++++++ .../f4/stm32f4-discovery/miniblink/miniblink.ld | 32 +++++++++ 24 files changed, 404 insertions(+), 404 deletions(-) delete mode 100644 examples/stm32/f4/stm32-discovery/button/Makefile delete mode 100644 examples/stm32/f4/stm32-discovery/button/README delete mode 100644 examples/stm32/f4/stm32-discovery/button/button.c delete mode 100644 examples/stm32/f4/stm32-discovery/button/button.ld delete mode 100644 examples/stm32/f4/stm32-discovery/fancyblink/Makefile delete mode 100644 examples/stm32/f4/stm32-discovery/fancyblink/README delete mode 100644 examples/stm32/f4/stm32-discovery/fancyblink/fancyblink.c delete mode 100644 examples/stm32/f4/stm32-discovery/fancyblink/fancyblink.ld delete mode 100644 examples/stm32/f4/stm32-discovery/miniblink/Makefile delete mode 100644 examples/stm32/f4/stm32-discovery/miniblink/README delete mode 100644 examples/stm32/f4/stm32-discovery/miniblink/miniblink.c delete mode 100644 examples/stm32/f4/stm32-discovery/miniblink/miniblink.ld create mode 100644 examples/stm32/f4/stm32f4-discovery/button/Makefile create mode 100644 examples/stm32/f4/stm32f4-discovery/button/README create mode 100644 examples/stm32/f4/stm32f4-discovery/button/button.c create mode 100644 examples/stm32/f4/stm32f4-discovery/button/button.ld create mode 100644 examples/stm32/f4/stm32f4-discovery/fancyblink/Makefile create mode 100644 examples/stm32/f4/stm32f4-discovery/fancyblink/README create mode 100644 examples/stm32/f4/stm32f4-discovery/fancyblink/fancyblink.c create mode 100644 examples/stm32/f4/stm32f4-discovery/fancyblink/fancyblink.ld create mode 100644 examples/stm32/f4/stm32f4-discovery/miniblink/Makefile create mode 100644 examples/stm32/f4/stm32f4-discovery/miniblink/README create mode 100644 examples/stm32/f4/stm32f4-discovery/miniblink/miniblink.c create mode 100644 examples/stm32/f4/stm32f4-discovery/miniblink/miniblink.ld (limited to 'examples/stm32/f4') diff --git a/examples/stm32/f4/stm32-discovery/button/Makefile b/examples/stm32/f4/stm32-discovery/button/Makefile deleted file mode 100644 index 96731c2..0000000 --- a/examples/stm32/f4/stm32-discovery/button/Makefile +++ /dev/null @@ -1,23 +0,0 @@ -## -## This file is part of the libopencm3 project. -## -## Copyright (C) 2009 Uwe Hermann -## -## This program is free software: you can redistribute it and/or modify -## it under the terms of the GNU General Public License as published by -## the Free Software Foundation, either version 3 of the License, or -## (at your option) any later version. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## GNU General Public License for more details. -## -## You should have received a copy of the GNU General Public License -## along with this program. If not, see . -## - -BINARY = button - -include ../../Makefile.include - diff --git a/examples/stm32/f4/stm32-discovery/button/README b/examples/stm32/f4/stm32-discovery/button/README deleted file mode 100644 index b794dda..0000000 --- a/examples/stm32/f4/stm32-discovery/button/README +++ /dev/null @@ -1,8 +0,0 @@ ------------------------------------------------------------------------------- -README ------------------------------------------------------------------------------- - -This example blinks the green LED on the ST STM32F4DISCOVERY eval board. - -When you press the 'USER' button, the blinking is slower. - diff --git a/examples/stm32/f4/stm32-discovery/button/button.c b/examples/stm32/f4/stm32-discovery/button/button.c deleted file mode 100644 index e872887..0000000 --- a/examples/stm32/f4/stm32-discovery/button/button.c +++ /dev/null @@ -1,79 +0,0 @@ -/* - * This file is part of the libopencm3 project. - * - * Copyright (C) 2009 Uwe Hermann , - * Copyright (C) 2010 Piotr Esden-Tempski - * Copyright (C) 2011 Stephen Caudle - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -#include -#include - -u16 exti_line_state; - -/* Set STM32 to 168 MHz. */ -void clock_setup(void) -{ - rcc_clock_setup_hse_3v3(&hse_8mhz_3v3[CLOCK_3V3_168MHZ]); -} - -void gpio_setup(void) -{ - /* Enable GPIOD clock. */ - rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPDEN); - - /* Set GPIO12 (in GPIO port D) to 'output push-pull'. */ - gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT, - GPIO_PUPD_NONE, - GPIO12 | GPIO13 | GPIO14 | GPIO15); -} - -void button_setup(void) -{ - /* Enable GPIOA clock. */ - rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPAEN); - - /* Set GPIO0 (in GPIO port A) to 'input open-drain'. */ - gpio_mode_setup(GPIOA, GPIO_MODE_INPUT, - GPIO_PUPD_NONE, - GPIO0); -} - -int main(void) -{ - int i; - - clock_setup(); - button_setup(); - gpio_setup(); - - /* Blink the LED (PD12) on the board. */ - while (1) { - gpio_toggle(GPIOD, GPIO12); - - /* Upon button press, blink more slowly. */ - exti_line_state = GPIOA_IDR; - if ((exti_line_state & (1 << 0)) != 0) { - for (i = 0; i < 3000000; i++) /* Wait a bit. */ - __asm__("nop"); - } - - for (i = 0; i < 3000000; i++) /* Wait a bit. */ - __asm__("nop"); - } - - return 0; -} diff --git a/examples/stm32/f4/stm32-discovery/button/button.ld b/examples/stm32/f4/stm32-discovery/button/button.ld deleted file mode 100644 index 1cb43c6..0000000 --- a/examples/stm32/f4/stm32-discovery/button/button.ld +++ /dev/null @@ -1,32 +0,0 @@ -/* - * This file is part of the libopencm3 project. - * - * Copyright (C) 2009 Uwe Hermann - * Copyright (C) 2011 Stephen Caudle - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -/* Linker script for ST STM32F4DISCOVERY (STM32F407VG, 1024K flash, 128K RAM). */ - -/* Define memory regions. */ -MEMORY -{ - rom (rx) : ORIGIN = 0x08000000, LENGTH = 1024K - ram (rwx) : ORIGIN = 0x20000000, LENGTH = 128K -} - -/* Include the common ld script. */ -INCLUDE libopencm3_stm32f4.ld - diff --git a/examples/stm32/f4/stm32-discovery/fancyblink/Makefile b/examples/stm32/f4/stm32-discovery/fancyblink/Makefile deleted file mode 100644 index 1baec4d..0000000 --- a/examples/stm32/f4/stm32-discovery/fancyblink/Makefile +++ /dev/null @@ -1,23 +0,0 @@ -## -## This file is part of the libopencm3 project. -## -## Copyright (C) 2009 Uwe Hermann -## -## This program is free software: you can redistribute it and/or modify -## it under the terms of the GNU General Public License as published by -## the Free Software Foundation, either version 3 of the License, or -## (at your option) any later version. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## GNU General Public License for more details. -## -## You should have received a copy of the GNU General Public License -## along with this program. If not, see . -## - -BINARY = fancyblink - -include ../../Makefile.include - diff --git a/examples/stm32/f4/stm32-discovery/fancyblink/README b/examples/stm32/f4/stm32-discovery/fancyblink/README deleted file mode 100644 index 88e24bf..0000000 --- a/examples/stm32/f4/stm32-discovery/fancyblink/README +++ /dev/null @@ -1,9 +0,0 @@ ------------------------------------------------------------------------------- -README ------------------------------------------------------------------------------- - -This is the smallest-possible example program using libopencm3. - -It's intended for the ST STM32F4DISCOVERY eval board. It should blink -the LEDs on the board. - diff --git a/examples/stm32/f4/stm32-discovery/fancyblink/fancyblink.c b/examples/stm32/f4/stm32-discovery/fancyblink/fancyblink.c deleted file mode 100644 index 056b446..0000000 --- a/examples/stm32/f4/stm32-discovery/fancyblink/fancyblink.c +++ /dev/null @@ -1,61 +0,0 @@ -/* - * This file is part of the libopencm3 project. - * - * Copyright (C) 2009 Uwe Hermann - * Copyright (C) 2011 Damjan Marion - * Copyright (C) 2011 Mark Panajotovic - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -#include -#include - -/* Set STM32 to 168 MHz. */ -void clock_setup(void) -{ - rcc_clock_setup_hse_3v3(&hse_8mhz_3v3[CLOCK_3V3_168MHZ]); - - /* Enable GPIOD clock. */ - rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPDEN); -} - -void gpio_setup(void) -{ - /* Set GPIO12-15 (in GPIO port D) to 'output push-pull'. */ - gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT, - GPIO_PUPD_NONE, - GPIO12 | GPIO13 | GPIO14 | GPIO15); -} - -int main(void) -{ - int i; - - clock_setup(); - gpio_setup(); - - /* Set two LEDs for wigwag effect when toggling. */ - gpio_set(GPIOD, GPIO12 | GPIO14); - - /* Blink the LEDs (PD12, PD13, PD14 and PD15) on the board. */ - while (1) { - /* Toggle LEDs. */ - gpio_toggle(GPIOD, GPIO12 | GPIO13 | GPIO14 | GPIO15); - for (i = 0; i < 6000000; i++) /* Wait a bit. */ - __asm__("nop"); - } - - return 0; -} diff --git a/examples/stm32/f4/stm32-discovery/fancyblink/fancyblink.ld b/examples/stm32/f4/stm32-discovery/fancyblink/fancyblink.ld deleted file mode 100644 index 1cb43c6..0000000 --- a/examples/stm32/f4/stm32-discovery/fancyblink/fancyblink.ld +++ /dev/null @@ -1,32 +0,0 @@ -/* - * This file is part of the libopencm3 project. - * - * Copyright (C) 2009 Uwe Hermann - * Copyright (C) 2011 Stephen Caudle - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -/* Linker script for ST STM32F4DISCOVERY (STM32F407VG, 1024K flash, 128K RAM). */ - -/* Define memory regions. */ -MEMORY -{ - rom (rx) : ORIGIN = 0x08000000, LENGTH = 1024K - ram (rwx) : ORIGIN = 0x20000000, LENGTH = 128K -} - -/* Include the common ld script. */ -INCLUDE libopencm3_stm32f4.ld - diff --git a/examples/stm32/f4/stm32-discovery/miniblink/Makefile b/examples/stm32/f4/stm32-discovery/miniblink/Makefile deleted file mode 100644 index 24a478b..0000000 --- a/examples/stm32/f4/stm32-discovery/miniblink/Makefile +++ /dev/null @@ -1,23 +0,0 @@ -## -## This file is part of the libopencm3 project. -## -## Copyright (C) 2009 Uwe Hermann -## -## This program is free software: you can redistribute it and/or modify -## it under the terms of the GNU General Public License as published by -## the Free Software Foundation, either version 3 of the License, or -## (at your option) any later version. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## GNU General Public License for more details. -## -## You should have received a copy of the GNU General Public License -## along with this program. If not, see . -## - -BINARY = miniblink - -include ../../Makefile.include - diff --git a/examples/stm32/f4/stm32-discovery/miniblink/README b/examples/stm32/f4/stm32-discovery/miniblink/README deleted file mode 100644 index cffce60..0000000 --- a/examples/stm32/f4/stm32-discovery/miniblink/README +++ /dev/null @@ -1,9 +0,0 @@ ------------------------------------------------------------------------------- -README ------------------------------------------------------------------------------- - -This is the smallest-possible example program using libopencm3. - -It's intended for the ST STM32VLDISCOVERY eval board. It should blink -the blue LED on the board. - diff --git a/examples/stm32/f4/stm32-discovery/miniblink/miniblink.c b/examples/stm32/f4/stm32-discovery/miniblink/miniblink.c deleted file mode 100644 index 1bbcbe2..0000000 --- a/examples/stm32/f4/stm32-discovery/miniblink/miniblink.c +++ /dev/null @@ -1,73 +0,0 @@ -/* - * This file is part of the libopencm3 project. - * - * Copyright (C) 2009 Uwe Hermann - * Copyright (C) 2011 Stephen Caudle - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -#include -#include - -void gpio_setup(void) -{ - /* Enable GPIOD clock. */ - /* Manually: */ - // RCC_AHB1ENR |= RCC_AHB1ENR_IOPDEN; - /* Using API functions: */ - rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPDEN); - - /* Set GPIO12 (in GPIO port D) to 'output push-pull'. */ - /* Manually: */ - // GPIOD_CRH = (GPIO_CNF_OUTPUT_PUSHPULL << (((8 - 8) * 4) + 2)); - // GPIOD_CRH |= (GPIO_MODE_OUTPUT_2_MHZ << ((8 - 8) * 4)); - /* Using API functions: */ - gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT, - GPIO_PUPD_NONE, - GPIO12); -} - -int main(void) -{ - int i; - - gpio_setup(); - - /* Blink the LED (PC8) on the board. */ - while (1) { - /* Manually: */ - // GPIOD_BSRR = GPIO12; /* LED off */ - // for (i = 0; i < 1000000; i++) /* Wait a bit. */ - // __asm__("nop"); - // GPIOD_BRR = GPIO12; /* LED on */ - // for (i = 0; i < 1000000; i++) /* Wait a bit. */ - // __asm__("nop"); - - /* Using API functions gpio_set()/gpio_clear(): */ - // gpio_set(GPIOD, GPIO12); /* LED off */ - // for (i = 0; i < 1000000; i++) /* Wait a bit. */ - // __asm__("nop"); - // gpio_clear(GPIOD, GPIO12); /* LED on */ - // for (i = 0; i < 1000000; i++) /* Wait a bit. */ - // __asm__("nop"); - - /* Using API function gpio_toggle(): */ - gpio_toggle(GPIOD, GPIO12); /* LED on/off */ - for (i = 0; i < 1000000; i++) /* Wait a bit. */ - __asm__("nop"); - } - - return 0; -} diff --git a/examples/stm32/f4/stm32-discovery/miniblink/miniblink.ld b/examples/stm32/f4/stm32-discovery/miniblink/miniblink.ld deleted file mode 100644 index 1cb43c6..0000000 --- a/examples/stm32/f4/stm32-discovery/miniblink/miniblink.ld +++ /dev/null @@ -1,32 +0,0 @@ -/* - * This file is part of the libopencm3 project. - * - * Copyright (C) 2009 Uwe Hermann - * Copyright (C) 2011 Stephen Caudle - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -/* Linker script for ST STM32F4DISCOVERY (STM32F407VG, 1024K flash, 128K RAM). */ - -/* Define memory regions. */ -MEMORY -{ - rom (rx) : ORIGIN = 0x08000000, LENGTH = 1024K - ram (rwx) : ORIGIN = 0x20000000, LENGTH = 128K -} - -/* Include the common ld script. */ -INCLUDE libopencm3_stm32f4.ld - diff --git a/examples/stm32/f4/stm32f4-discovery/button/Makefile b/examples/stm32/f4/stm32f4-discovery/button/Makefile new file mode 100644 index 0000000..96731c2 --- /dev/null +++ b/examples/stm32/f4/stm32f4-discovery/button/Makefile @@ -0,0 +1,23 @@ +## +## This file is part of the libopencm3 project. +## +## Copyright (C) 2009 Uwe Hermann +## +## This program is free software: you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation, either version 3 of the License, or +## (at your option) any later version. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program. If not, see . +## + +BINARY = button + +include ../../Makefile.include + diff --git a/examples/stm32/f4/stm32f4-discovery/button/README b/examples/stm32/f4/stm32f4-discovery/button/README new file mode 100644 index 0000000..b794dda --- /dev/null +++ b/examples/stm32/f4/stm32f4-discovery/button/README @@ -0,0 +1,8 @@ +------------------------------------------------------------------------------ +README +------------------------------------------------------------------------------ + +This example blinks the green LED on the ST STM32F4DISCOVERY eval board. + +When you press the 'USER' button, the blinking is slower. + diff --git a/examples/stm32/f4/stm32f4-discovery/button/button.c b/examples/stm32/f4/stm32f4-discovery/button/button.c new file mode 100644 index 0000000..e872887 --- /dev/null +++ b/examples/stm32/f4/stm32f4-discovery/button/button.c @@ -0,0 +1,79 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2009 Uwe Hermann , + * Copyright (C) 2010 Piotr Esden-Tempski + * Copyright (C) 2011 Stephen Caudle + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include +#include + +u16 exti_line_state; + +/* Set STM32 to 168 MHz. */ +void clock_setup(void) +{ + rcc_clock_setup_hse_3v3(&hse_8mhz_3v3[CLOCK_3V3_168MHZ]); +} + +void gpio_setup(void) +{ + /* Enable GPIOD clock. */ + rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPDEN); + + /* Set GPIO12 (in GPIO port D) to 'output push-pull'. */ + gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT, + GPIO_PUPD_NONE, + GPIO12 | GPIO13 | GPIO14 | GPIO15); +} + +void button_setup(void) +{ + /* Enable GPIOA clock. */ + rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPAEN); + + /* Set GPIO0 (in GPIO port A) to 'input open-drain'. */ + gpio_mode_setup(GPIOA, GPIO_MODE_INPUT, + GPIO_PUPD_NONE, + GPIO0); +} + +int main(void) +{ + int i; + + clock_setup(); + button_setup(); + gpio_setup(); + + /* Blink the LED (PD12) on the board. */ + while (1) { + gpio_toggle(GPIOD, GPIO12); + + /* Upon button press, blink more slowly. */ + exti_line_state = GPIOA_IDR; + if ((exti_line_state & (1 << 0)) != 0) { + for (i = 0; i < 3000000; i++) /* Wait a bit. */ + __asm__("nop"); + } + + for (i = 0; i < 3000000; i++) /* Wait a bit. */ + __asm__("nop"); + } + + return 0; +} diff --git a/examples/stm32/f4/stm32f4-discovery/button/button.ld b/examples/stm32/f4/stm32f4-discovery/button/button.ld new file mode 100644 index 0000000..1cb43c6 --- /dev/null +++ b/examples/stm32/f4/stm32f4-discovery/button/button.ld @@ -0,0 +1,32 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2009 Uwe Hermann + * Copyright (C) 2011 Stephen Caudle + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +/* Linker script for ST STM32F4DISCOVERY (STM32F407VG, 1024K flash, 128K RAM). */ + +/* Define memory regions. */ +MEMORY +{ + rom (rx) : ORIGIN = 0x08000000, LENGTH = 1024K + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 128K +} + +/* Include the common ld script. */ +INCLUDE libopencm3_stm32f4.ld + diff --git a/examples/stm32/f4/stm32f4-discovery/fancyblink/Makefile b/examples/stm32/f4/stm32f4-discovery/fancyblink/Makefile new file mode 100644 index 0000000..1baec4d --- /dev/null +++ b/examples/stm32/f4/stm32f4-discovery/fancyblink/Makefile @@ -0,0 +1,23 @@ +## +## This file is part of the libopencm3 project. +## +## Copyright (C) 2009 Uwe Hermann +## +## This program is free software: you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation, either version 3 of the License, or +## (at your option) any later version. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program. If not, see . +## + +BINARY = fancyblink + +include ../../Makefile.include + diff --git a/examples/stm32/f4/stm32f4-discovery/fancyblink/README b/examples/stm32/f4/stm32f4-discovery/fancyblink/README new file mode 100644 index 0000000..88e24bf --- /dev/null +++ b/examples/stm32/f4/stm32f4-discovery/fancyblink/README @@ -0,0 +1,9 @@ +------------------------------------------------------------------------------ +README +------------------------------------------------------------------------------ + +This is the smallest-possible example program using libopencm3. + +It's intended for the ST STM32F4DISCOVERY eval board. It should blink +the LEDs on the board. + diff --git a/examples/stm32/f4/stm32f4-discovery/fancyblink/fancyblink.c b/examples/stm32/f4/stm32f4-discovery/fancyblink/fancyblink.c new file mode 100644 index 0000000..056b446 --- /dev/null +++ b/examples/stm32/f4/stm32f4-discovery/fancyblink/fancyblink.c @@ -0,0 +1,61 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2009 Uwe Hermann + * Copyright (C) 2011 Damjan Marion + * Copyright (C) 2011 Mark Panajotovic + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include +#include + +/* Set STM32 to 168 MHz. */ +void clock_setup(void) +{ + rcc_clock_setup_hse_3v3(&hse_8mhz_3v3[CLOCK_3V3_168MHZ]); + + /* Enable GPIOD clock. */ + rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPDEN); +} + +void gpio_setup(void) +{ + /* Set GPIO12-15 (in GPIO port D) to 'output push-pull'. */ + gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT, + GPIO_PUPD_NONE, + GPIO12 | GPIO13 | GPIO14 | GPIO15); +} + +int main(void) +{ + int i; + + clock_setup(); + gpio_setup(); + + /* Set two LEDs for wigwag effect when toggling. */ + gpio_set(GPIOD, GPIO12 | GPIO14); + + /* Blink the LEDs (PD12, PD13, PD14 and PD15) on the board. */ + while (1) { + /* Toggle LEDs. */ + gpio_toggle(GPIOD, GPIO12 | GPIO13 | GPIO14 | GPIO15); + for (i = 0; i < 6000000; i++) /* Wait a bit. */ + __asm__("nop"); + } + + return 0; +} diff --git a/examples/stm32/f4/stm32f4-discovery/fancyblink/fancyblink.ld b/examples/stm32/f4/stm32f4-discovery/fancyblink/fancyblink.ld new file mode 100644 index 0000000..1cb43c6 --- /dev/null +++ b/examples/stm32/f4/stm32f4-discovery/fancyblink/fancyblink.ld @@ -0,0 +1,32 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2009 Uwe Hermann + * Copyright (C) 2011 Stephen Caudle + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +/* Linker script for ST STM32F4DISCOVERY (STM32F407VG, 1024K flash, 128K RAM). */ + +/* Define memory regions. */ +MEMORY +{ + rom (rx) : ORIGIN = 0x08000000, LENGTH = 1024K + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 128K +} + +/* Include the common ld script. */ +INCLUDE libopencm3_stm32f4.ld + diff --git a/examples/stm32/f4/stm32f4-discovery/miniblink/Makefile b/examples/stm32/f4/stm32f4-discovery/miniblink/Makefile new file mode 100644 index 0000000..24a478b --- /dev/null +++ b/examples/stm32/f4/stm32f4-discovery/miniblink/Makefile @@ -0,0 +1,23 @@ +## +## This file is part of the libopencm3 project. +## +## Copyright (C) 2009 Uwe Hermann +## +## This program is free software: you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation, either version 3 of the License, or +## (at your option) any later version. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program. If not, see . +## + +BINARY = miniblink + +include ../../Makefile.include + diff --git a/examples/stm32/f4/stm32f4-discovery/miniblink/README b/examples/stm32/f4/stm32f4-discovery/miniblink/README new file mode 100644 index 0000000..cffce60 --- /dev/null +++ b/examples/stm32/f4/stm32f4-discovery/miniblink/README @@ -0,0 +1,9 @@ +------------------------------------------------------------------------------ +README +------------------------------------------------------------------------------ + +This is the smallest-possible example program using libopencm3. + +It's intended for the ST STM32VLDISCOVERY eval board. It should blink +the blue LED on the board. + diff --git a/examples/stm32/f4/stm32f4-discovery/miniblink/miniblink.c b/examples/stm32/f4/stm32f4-discovery/miniblink/miniblink.c new file mode 100644 index 0000000..1bbcbe2 --- /dev/null +++ b/examples/stm32/f4/stm32f4-discovery/miniblink/miniblink.c @@ -0,0 +1,73 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2009 Uwe Hermann + * Copyright (C) 2011 Stephen Caudle + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include +#include + +void gpio_setup(void) +{ + /* Enable GPIOD clock. */ + /* Manually: */ + // RCC_AHB1ENR |= RCC_AHB1ENR_IOPDEN; + /* Using API functions: */ + rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPDEN); + + /* Set GPIO12 (in GPIO port D) to 'output push-pull'. */ + /* Manually: */ + // GPIOD_CRH = (GPIO_CNF_OUTPUT_PUSHPULL << (((8 - 8) * 4) + 2)); + // GPIOD_CRH |= (GPIO_MODE_OUTPUT_2_MHZ << ((8 - 8) * 4)); + /* Using API functions: */ + gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT, + GPIO_PUPD_NONE, + GPIO12); +} + +int main(void) +{ + int i; + + gpio_setup(); + + /* Blink the LED (PC8) on the board. */ + while (1) { + /* Manually: */ + // GPIOD_BSRR = GPIO12; /* LED off */ + // for (i = 0; i < 1000000; i++) /* Wait a bit. */ + // __asm__("nop"); + // GPIOD_BRR = GPIO12; /* LED on */ + // for (i = 0; i < 1000000; i++) /* Wait a bit. */ + // __asm__("nop"); + + /* Using API functions gpio_set()/gpio_clear(): */ + // gpio_set(GPIOD, GPIO12); /* LED off */ + // for (i = 0; i < 1000000; i++) /* Wait a bit. */ + // __asm__("nop"); + // gpio_clear(GPIOD, GPIO12); /* LED on */ + // for (i = 0; i < 1000000; i++) /* Wait a bit. */ + // __asm__("nop"); + + /* Using API function gpio_toggle(): */ + gpio_toggle(GPIOD, GPIO12); /* LED on/off */ + for (i = 0; i < 1000000; i++) /* Wait a bit. */ + __asm__("nop"); + } + + return 0; +} diff --git a/examples/stm32/f4/stm32f4-discovery/miniblink/miniblink.ld b/examples/stm32/f4/stm32f4-discovery/miniblink/miniblink.ld new file mode 100644 index 0000000..1cb43c6 --- /dev/null +++ b/examples/stm32/f4/stm32f4-discovery/miniblink/miniblink.ld @@ -0,0 +1,32 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2009 Uwe Hermann + * Copyright (C) 2011 Stephen Caudle + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +/* Linker script for ST STM32F4DISCOVERY (STM32F407VG, 1024K flash, 128K RAM). */ + +/* Define memory regions. */ +MEMORY +{ + rom (rx) : ORIGIN = 0x08000000, LENGTH = 1024K + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 128K +} + +/* Include the common ld script. */ +INCLUDE libopencm3_stm32f4.ld + -- cgit v1.2.3