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-rw-r--r--examples/other/adc_temperature_sensor/adc.c147
1 files changed, 0 insertions, 147 deletions
diff --git a/examples/other/adc_temperature_sensor/adc.c b/examples/other/adc_temperature_sensor/adc.c
deleted file mode 100644
index 7445399..0000000
--- a/examples/other/adc_temperature_sensor/adc.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * This file is part of the libopenstm32 project.
- *
- * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-#include <libopenstm32/rcc.h>
-#include <libopenstm32/flash.h>
-#include <libopenstm32/gpio.h>
-#include <libopenstm32/usart.h>
-#include <libopenstm32/adc.h>
-
-void usart_setup(void)
-{
- /* Enable clocks for GPIO port A (for GPIO_USART1_TX) and USART1. */
- rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
- rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_USART1EN);
-
- /* Setup GPIO pin GPIO_USART1_TX/GPIO9 on GPIO port A for transmit. */
- gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ,
- GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_USART1_TX);
-
- /* Setup UART parameters. */
- usart_set_baudrate(USART1, 115200);
- usart_set_databits(USART1, 8);
- usart_set_stopbits(USART1, USART_STOPBITS_1);
- usart_set_mode(USART1, USART_MODE_TX_RX);
- usart_set_parity(USART1, USART_PARITY_NONE);
- usart_set_flow_control(USART1, USART_FLOWCONTROL_NONE);
-
- /* Finally enable the USART. */
- usart_enable(USART1);
-}
-
-void gpio_setup(void)
-{
- /* Enable GPIOB clock. */
- rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
-
- /* Set GPIO6/7 (in GPIO port B) to 'output push-pull' for the LEDs. */
- gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
- GPIO_CNF_OUTPUT_PUSHPULL, GPIO6);
- gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
- GPIO_CNF_OUTPUT_PUSHPULL, GPIO7);
-}
-
-void adc_setup(void)
-{
- int i;
- rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_ADC1EN);
-
- /* make shure it didnt run during config */
- adc_off(ADC1);
-
- /* we configure everything for one single conversion */
- adc_disable_scan_mode(ADC1);
- adc_set_single_conversion_mode(ADC1);
- adc_enable_discontinous_mode_regular(ADC1);
- adc_disable_external_trigger_regular(ADC1);
- adc_set_right_aligned(ADC1);
- /* we want read out the temperature sensor so we have to enable it */
- adc_enable_temperature_sensor(ADC1);
- adc_set_conversion_time_on_all_channels(ADC1, ADC_SMPR_SMP_28DOT5CYC);
-
- adc_on(ADC1);
- /* wait for adc starting up*/
- for (i = 0; i < 80000; i++); /* Wait (needs -O0 CFLAGS). */
-
- adc_reset_calibration(ADC1);
- adc_calibration(ADC1);
-}
-
-void my_usart_print_int(u32 usart, int value)
-{
- s8 i;
- u8 nr_digits = 0;
- char buffer[25];
-
- if (value < 0) {
- usart_send(usart, '-');
- value = value * -1;
- }
-
- while (value > 0) {
- buffer[nr_digits++] = "0123456789"[value%10];
- value = value/10;
- }
-
- for (i=nr_digits; i>=0; i--) {
- usart_send(usart, buffer[i]);
- }
-}
-
-int main(void)
-{
- u8 channel_array[16];
- u16 temperature;
-
- rcc_clock_setup_in_hse_16mhz_out_72mhz();
- gpio_setup();
- usart_setup();
- adc_setup();
-
- gpio_clear(GPIOB, GPIO7); /* LED1 on */
- gpio_set(GPIOB, GPIO6); /* LED2 off */
-
- /* Send a message on USART1. */
- usart_send(USART1, 's');
- usart_send(USART1, 't');
- usart_send(USART1, 'm');
- usart_send(USART1, '\r');
- usart_send(USART1, '\n');
-
- /* Select the channel we want to convert. 16=temperature_sensor */
- channel_array[0] = 16;
- adc_set_regular_sequence(ADC1, 1, channel_array);
-
- /* If the ADC_CR2_ON bit is already set -> setting it another time starts the conversion */
- adc_on(ADC1);
-
- /* Waiting for end of conversion */
- while (!(ADC_SR(ADC1) & ADC_SR_EOC));
-
- temperature = ADC_DR(ADC1);
-
- /* thats actually not the real temparature - you have to compute it like described in the datasheet */
- my_usart_print_int(USART1, temperature);
-
- gpio_clear(GPIOB, GPIO6); /* LED2 on */
-
- while(1); /* Halt. */
-
- return 0;
-}