-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #17 from ziteh/dev-libopencm3
Dev libopencm3
- Loading branch information
Showing
11 changed files
with
302 additions
and
81 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
File renamed without changes.
File renamed without changes.
File renamed without changes.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,156 @@ | ||
| /** | ||
| * @file main.c | ||
| * @brief ADC injected multi channel example for LibOpenCM3 with STM32. | ||
| * @author ZiTe ([email protected]) | ||
| * @copyright MIT License | ||
| */ | ||
|
|
||
| #include "main.h" | ||
|
|
||
| int main(void) | ||
| { | ||
| rcc_setup(); | ||
| adc_setup(); | ||
| usart_setup(); | ||
|
|
||
| printf("ADC Ready\r\n"); | ||
|
|
||
| while (1) | ||
| { | ||
| /* Software start ADC injected conversion. */ | ||
| adc_start_conversion_injected(ADC1); | ||
|
|
||
| /* Wait for ADC injected end of conversion. */ | ||
| while (!adc_eoc_injected(ADC1)) | ||
| { | ||
| } | ||
|
|
||
| /* Clear ADC injected end of conversion flag. */ | ||
| ADC_SR(ADC1) &= ~ADC_SR_JEOC; | ||
|
|
||
| /* Read ADC injected. */ | ||
| uint16_t value1 = adc_read_injected(ADC1, 1); | ||
| uint16_t value2 = adc_read_injected(ADC1, 2); | ||
| uint16_t value3 = adc_read_injected(ADC1, 3); | ||
|
|
||
| printf("%4d, %4d, %4d\r\n", value1, value2, value3); | ||
| delay(5000000); | ||
| } | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| static void rcc_setup(void) | ||
| { | ||
| #if defined(STM32F1) | ||
| rcc_clock_setup_in_hse_8mhz_out_72mhz(); | ||
| #elif defined(STM32F4) | ||
| rcc_clock_setup_pll(&rcc_hse_8mhz_3v3[RCC_CLOCK_3V3_84MHZ]); | ||
| #endif | ||
|
|
||
| rcc_periph_clock_enable(RCC_USART_TX_GPIO); | ||
| rcc_periph_clock_enable(RCC_USART2); | ||
| rcc_periph_clock_enable(RCC_ADC_GPIO); | ||
| rcc_periph_clock_enable(RCC_ADC1); | ||
| } | ||
|
|
||
| static void adc_setup(void) | ||
| { | ||
| /* Set to input analog. */ | ||
| #if defined(STM32F1) | ||
| gpio_set_mode(GPIO_ADC_PORT, | ||
| GPIO_MODE_INPUT, | ||
| GPIO_CNF_INPUT_ANALOG, | ||
| GPIO_ADC_IN0_PIN | GPIO_ADC_IN1_PIN | GPIO_ADC_IN4_PIN); | ||
| #else | ||
| gpio_mode_setup(GPIO_ADC_PORT, | ||
| GPIO_MODE_ANALOG, | ||
| GPIO_PUPD_NONE, | ||
| GPIO_ADC_IN0_PIN | GPIO_ADC_IN1_PIN | GPIO_ADC_IN4_PIN); | ||
| #endif | ||
|
|
||
| /* Setup ADC. */ | ||
| adc_power_off(ADC1); | ||
|
|
||
| adc_enable_scan_mode(ADC1); | ||
| adc_set_single_conversion_mode(ADC1); | ||
| adc_disable_discontinuous_mode_regular(ADC1); | ||
| adc_disable_discontinuous_mode_injected(ADC1); | ||
|
|
||
| /* We want to start the injected conversion in sofrware. */ | ||
| #if defined(STM32F1) | ||
| adc_enable_external_trigger_injected(ADC1, | ||
| ADC_CR2_JSWSTART); | ||
| #else | ||
| adc_enable_external_trigger_injected(ADC1, | ||
| ADC_CR2_JSWSTART, | ||
| ADC_CR2_JEXTEN_DISABLED); | ||
| #endif | ||
|
|
||
| adc_set_right_aligned(ADC1); | ||
| adc_set_sample_time_on_all_channels(ADC1, ADC_SIMPLE_TIME); | ||
|
|
||
| uint8_t channels[4]; | ||
| channels[0] = 0; | ||
| channels[1] = 1; | ||
| channels[2] = 4; | ||
| adc_set_injected_sequence(ADC1, 3, channels); | ||
|
|
||
| adc_power_on(ADC1); | ||
| delay(800000); /* Wait a bit. */ | ||
|
|
||
| #if defined(STM32F1) | ||
| adc_reset_calibration(ADC1); | ||
| adc_calibrate(ADC1); | ||
| #endif | ||
| } | ||
|
|
||
| static void usart_setup(void) | ||
| { | ||
| /* Set USART-Tx pin to alternate function. */ | ||
| #if defined(NUCLEO_F103RB) | ||
| gpio_set_mode(GPIO_USART_TX_PORT, | ||
| GPIO_MODE_OUTPUT_50_MHZ, | ||
| GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, | ||
| GPIO_USART_TX_PIN); | ||
| #else | ||
| gpio_mode_setup(GPIO_USART_TX_PORT, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_USART_TX_PIN); | ||
| gpio_set_af(GPIO_USART_TX_PORT, GPIO_USART_AF, GPIO_USART_TX_PIN); | ||
| #endif | ||
|
|
||
| /* Config USART params. */ | ||
| usart_set_baudrate(USART2, USART_BAUDRATE); | ||
| usart_set_databits(USART2, 8); | ||
| usart_set_stopbits(USART2, USART_STOPBITS_1); | ||
| usart_set_parity(USART2, USART_PARITY_NONE); | ||
| usart_set_flow_control(USART2, USART_FLOWCONTROL_NONE); | ||
| usart_set_mode(USART2, USART_MODE_TX); | ||
|
|
||
| usart_enable(USART2); | ||
| } | ||
|
|
||
| static void delay(uint32_t value) | ||
| { | ||
| for (uint32_t i = 0; i < value; i++) | ||
| { | ||
| __asm__("nop"); /* Do nothing. */ | ||
| } | ||
| } | ||
|
|
||
| /* For printf(). */ | ||
| int _write(int file, char *ptr, int len) | ||
| { | ||
| int i; | ||
|
|
||
| if (file == 1) | ||
| { | ||
| for (i = 0; i < len; i++) | ||
| { | ||
| usart_send_blocking(USART2, ptr[i]); | ||
| } | ||
| return i; | ||
| } | ||
|
|
||
| errno = EIO; | ||
| return -1; | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| /** | ||
| * @file main.h | ||
| * @brief ADC injected multi channel example for LibOpenCM3 with STM32. | ||
| * @author ZiTe ([email protected]) | ||
| * @copyright MIT License | ||
| */ | ||
|
|
||
| #ifndef MAIN_H | ||
| #define MAIN_H | ||
|
|
||
| #ifdef __cplusplus | ||
| extern "C" | ||
| { | ||
| #endif | ||
|
|
||
| #include <stdio.h> /* For printf(). */ | ||
| #include <errno.h> /* For printf(). */ | ||
| #include <libopencm3/stm32/rcc.h> | ||
| #include <libopencm3/stm32/gpio.h> | ||
| #include <libopencm3/stm32/adc.h> | ||
| #include <libopencm3/stm32/usart.h> | ||
|
|
||
| #define USART_BAUDRATE (9600) | ||
|
|
||
| #if defined(NUCLEO_F103RB) | ||
| #error "Not working, need to fix." /* TODO. */ | ||
|
|
||
| #define ADC_SIMPLE_TIME (ADC_SMPR_SMP_55DOT5CYC) | ||
| #define RCC_ADC_GPIO (RCC_GPIOA) | ||
| #define GPIO_ADC_PORT (GPIOA) | ||
| #define GPIO_ADC_IN0_PIN (GPIO0) /* Arduino-A0. */ | ||
| #define GPIO_ADC_IN1_PIN (GPIO1) /* Arduino-A1. */ | ||
| #define GPIO_ADC_IN4_PIN (GPIO4) /* Arduino-A2. */ | ||
|
|
||
| #define RCC_USART_TX_GPIO (RCC_GPIOA) | ||
| #define GPIO_USART_TX_PORT (GPIOA) | ||
| #define GPIO_USART_TX_PIN (GPIO2) /* ST-Link (Arduino-D1). */ | ||
| #elif defined(NUCLEO_F446RE) | ||
| #define ADC_SIMPLE_TIME (ADC_SMPR_SMP_56CYC) | ||
| #define RCC_ADC_GPIO (RCC_GPIOA) | ||
| #define GPIO_ADC_PORT (GPIOA) | ||
| #define GPIO_ADC_IN0_PIN (GPIO0) /* Arduino-A0. */ | ||
| #define GPIO_ADC_IN1_PIN (GPIO1) /* Arduino-A1. */ | ||
| #define GPIO_ADC_IN4_PIN (GPIO4) /* Arduino-A2. */ | ||
|
|
||
| #define RCC_USART_TX_GPIO (RCC_GPIOA) | ||
| #define GPIO_USART_TX_PORT (GPIOA) | ||
| #define GPIO_USART_TX_PIN (GPIO2) /* ST-Link (Arduino-D1). */ | ||
| #define GPIO_USART_AF (GPIO_AF7) /* Ref: Table-11 in DS10693. */ | ||
| #else | ||
| #error "STM32 board not defined." | ||
| #endif | ||
|
|
||
| static void rcc_setup(void); | ||
| static void usart_setup(void); | ||
| static void adc_setup(void); | ||
| static void delay(uint32_t value); | ||
|
|
||
| #ifdef __cplusplus | ||
| } | ||
| #endif | ||
|
|
||
| #endif /* MAIN_H. */ |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| .pio | ||
| .vscode/.browse.c_cpp.db* | ||
| .vscode/c_cpp_properties.json | ||
| .vscode/launch.json | ||
| .vscode/ipch |
10 changes: 10 additions & 0 deletions
10
libopencm3/adc_single_channel_regular/.vscode/extensions.json
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| { | ||
| // See http://go.microsoft.com/fwlink/?LinkId=827846 | ||
| // for the documentation about the extensions.json format | ||
| "recommendations": [ | ||
| "platformio.platformio-ide" | ||
| ], | ||
| "unwantedRecommendations": [ | ||
| "ms-vscode.cpptools-extension-pack" | ||
| ] | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| ; PlatformIO Project Configuration File | ||
| ; | ||
| ; Build options: build flags, source filter | ||
| ; Upload options: custom upload port, speed and extra flags | ||
| ; Library options: dependencies, extra library storages | ||
| ; Advanced options: extra scripting | ||
| ; | ||
| ; Please visit documentation for the other options and examples | ||
| ; https://docs.platformio.org/page/projectconf.html | ||
|
|
||
| [platformio] | ||
| default_envs = nucleo_f103rb | ||
|
|
||
| ; Set/Override default options for each [env:XXX] | ||
| [env] | ||
| platform = ststm32 | ||
| framework = libopencm3 | ||
|
|
||
| [env:nucleo_f103rb] | ||
| board = nucleo_f103rb | ||
| build_flags = -D NUCLEO_F103RB | ||
|
|
||
| [env:nucleo_f446re] | ||
| board = nucleo_f446re | ||
| build_flags = -D NUCLEO_F446RE |
Oops, something went wrong.