From: Nathael Pajani Date: Thu, 3 Jan 2019 22:11:58 +0000 (+0100) Subject: Old code used for CPE ... do not remember what for X-Git-Url: http://git.techno-innov.fr/?a=commitdiff_plain;h=d5580c7f92b74bf09bcf096f1717484841d89171;p=soft%2Fperso%2Fcpe Old code used for CPE ... do not remember what for --- diff --git a/tp_eti/Makefile b/tp_eti/Makefile new file mode 100644 index 0000000..41ae555 --- /dev/null +++ b/tp_eti/Makefile @@ -0,0 +1,21 @@ +# Makefile for apps + +MODULE = $(shell basename $(shell cd .. && pwd && cd -)) +NAME = $(shell basename $(CURDIR)) + +# Add this to your ~/.vimrc in order to get proper function of :make in vim : +# let $COMPILE_FROM_IDE = 1 +ifeq ($(strip $(COMPILE_FROM_IDE)),) + PRINT_DIRECTORY = --no-print-directory +else + PRINT_DIRECTORY = + LANG = C +endif + +.PHONY: $(NAME).bin +$(NAME).bin: + @make -C ../../.. ${PRINT_DIRECTORY} NAME=$(NAME) MODULE=$(MODULE) apps/$(MODULE)/$(NAME)/$@ + +clean mrproper: + @make -C ../../.. ${PRINT_DIRECTORY} $@ + diff --git a/tp_eti/main.c b/tp_eti/main.c new file mode 100644 index 0000000..f83f3d1 --- /dev/null +++ b/tp_eti/main.c @@ -0,0 +1,259 @@ +/**************************************************************************** + * apps/dev/cpe_eti/main.c + * + * Code for CPE courses + * + * Copyright 2016 Nathael Pajani + * + * + * 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 2 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 "core/system.h" +#include "core/systick.h" +#include "core/pio.h" +#include "lib/stdio.h" +#include "drivers/i2c.h" +#include "drivers/serial.h" +#include "drivers/gpio.h" +#include "drivers/adc.h" +#include "extdrv/status_led.h" +#include "extdrv/tmp101_temp_sensor.h" +#include "lib/protocols/dtplug/slave.h" +#include "extdrv/ws2812.h" + + + +#define MODULE_VERSION 0x04 +#define MODULE_NAME "GPIO Demo Module" + +#define DEBUG 1 +#define BUFF_LEN 60 + +#define SELECTED_FREQ FREQ_SEL_48MHz + +/***************************************************************************** */ +/* Pins configuration */ +/* pins blocks are passed to set_pins() for pins configuration. + * Unused pin blocks can be removed safely with the corresponding set_pins() call + * All pins blocks may be safelly merged in a single block for single set_pins() call.. + */ +const struct pio_config common_pins[] = { + /* UART 0 */ + { LPC_UART0_RX_PIO_0_1, LPC_IO_DIGITAL }, + { LPC_UART0_TX_PIO_0_2, LPC_IO_DIGITAL }, + /* I2C 0 */ + { LPC_I2C0_SCL_PIO_0_10, (LPC_IO_DIGITAL | LPC_IO_OPEN_DRAIN_ENABLE) }, + { LPC_I2C0_SDA_PIO_0_11, (LPC_IO_DIGITAL | LPC_IO_OPEN_DRAIN_ENABLE) }, + /* UART 1 */ + { LPC_UART1_RX_PIO_0_8, LPC_IO_DIGITAL }, + { LPC_UART1_TX_PIO_0_9, LPC_IO_DIGITAL }, + /* SPI */ + { LPC_SSP0_SCLK_PIO_0_14, LPC_IO_DIGITAL }, + { LPC_SSP0_MOSI_PIO_0_17, LPC_IO_DIGITAL }, + { LPC_SSP0_MISO_PIO_0_16, LPC_IO_DIGITAL }, + /* ADC */ + { LPC_ADC_AD0_PIO_0_30, LPC_IO_ANALOG }, + { LPC_ADC_AD1_PIO_0_31, LPC_IO_ANALOG }, + { LPC_ADC_AD2_PIO_1_0, LPC_IO_ANALOG }, + { LPC_ADC_AD3_PIO_1_1, LPC_IO_ANALOG }, + /* GPIO */ + { LPC_GPIO_0_19, (LPC_IO_MODE_PULL_UP | LPC_IO_DIGITAL) }, + ARRAY_LAST_PIO, +}; + +#define TMP101_ADDR 0x94 /* Pin Addr0 (pin5 of tmp101) connected to VCC */ +struct tmp101_sensor_config tmp101_sensor = { + .bus_num = I2C0, + .addr = TMP101_ADDR, + .resolution = TMP_RES_ELEVEN_BITS, +}; + +const struct pio temp_alert = LPC_GPIO_0_7; + +const struct pio status_led_green = LPC_GPIO_1_4; +const struct pio status_led_red = LPC_GPIO_1_5; + +const struct pio button = LPC_GPIO_0_12; /* ISP button */ +const struct pio ws2812_data_out_pin = LPC_GPIO_0_19; /* Led control data pin */ + +static struct dtplug_protocol_handle uart_handle; + + +/***************************************************************************** */ +void system_init() +{ + /* Stop the watchdog */ + startup_watchdog_disable(); /* Do it right now, before it gets a chance to break in */ + system_set_default_power_state(); + clock_config(SELECTED_FREQ); + set_pins(common_pins); + gpio_on(); + /* System tick timer MUST be configured and running in order to use the sleeping functions */ + systick_timer_on(1); /* 1ms */ + systick_start(); +} + +/* Define our fault handler. This one is not mandatory, the dummy fault handler + * will be used when it's not overridden here. + * Note : The default one does a simple infinite loop. If the watchdog is deactivated + * the system will hang. + */ +void fault_info(const char* name, uint32_t len) +{ + uprintf(UART1, name); + while (1); +} + +/***************************************************************************** */ +/* Temperature */ +/* The Temperature Alert pin is on GPIO Port 0, pin 7 (PIO0_7) */ +/* The I2C Temperature sensor is at address 0x94 */ +void WAKEUP_Handler(void) +{ +} + +void temp_config(int uart_num) +{ + int ret = 0; + + /* Temp sensor */ + ret = tmp101_sensor_config(&tmp101_sensor); + if (ret != 0) { + uprintf(UART1, "Temp config error: %d\n", ret); + } +} + + +/***************************************************************************** */ +/* Data sent on radio comes from the UART when appropriate command is received. */ +void handle_uart_commands(struct packet* command) +{ + uint8_t channel = 0; + + status_led(green_on); + /* Many commands use only this one, get it right now. */ + if (command->info.seq_num & QUICK_DATA_PACKET) { + channel = command->info.quick_data[0]; + } else { + channel = command->data[0]; + } + switch (command->info.type) { + case PKT_TYPE_START_TEMP_CONVERSION: + /* Request a Temp conversion on I2C TMP101 temperature sensors (A conversion takes about 40ms) */ + tmp101_sensor_start_conversion(&tmp101_sensor); + /* Get value from SPI connected thermocouple */ + break; + case PKT_TYPE_GET_TEMPERATURE: + { + uint16_t value = 0; + int i = 0; + tmp101_sensor_read(&tmp101_sensor, NULL, &i); + value = (int16_t)i; + /* Swap endianness */ + value = (uint16_t)byte_swap_16(value); + /* And send reply */ + dtplug_protocol_send_reply(&uart_handle, command, NO_ERROR, 2, (uint8_t*)(&value)); + } + break; + case PKT_TYPE_START_ADC_CONVERSION: + /* Nothing to do */ + break; + case PKT_TYPE_GET_ADC_VALUE: + { + uint16_t value = 0; + adc_get_value(&value, channel); + dtplug_protocol_send_reply(&uart_handle, command, NO_ERROR, 2, (uint8_t*)(&value)); + } + break; + case PKT_TYPE_SET_RGB_LED: + if (command->info.seq_num & QUICK_DATA_PACKET) { + ws2812_set_pixel(channel, 0, 0, 0); + } else { + ws2812_set_pixel(channel, command->data[1], command->data[2], command->data[3]); + } + ws2812_send_frame(0); + break; + case PKT_TYPE_GET_RGB_LED: + { + uint8_t values[4]; + values[0] = channel; + ws2812_get_pixel(channel, &(values[1]), &(values[2]), &(values[3])); + dtplug_protocol_send_reply(&uart_handle, command, NO_ERROR, 4, values); + } + break; + case PKT_TYPE_CLEAR_LEDS: + ws2812_clear(); + break; + default: + uprintf(UART1, "Unknown packet type : packet not handled\n"); + dtplug_protocol_send_reply(&uart_handle, command, ERROR_PKT_NOT_HANDLED, 0, NULL); + status_led(red_on); + break; + } + dtplug_protocol_release_old_packet(&uart_handle); +} + + +static volatile uint8_t button_request_received = 0; +void button_request(uint32_t gpio) +{ + button_request_received = 1; +} + + + +/***************************************************************************** */ +int main(void) +{ + system_init(); + + status_led_config(&status_led_green, &status_led_red); + status_led(none); + + uart_on(UART1, 115200, NULL); /* Debug */ + dtplug_protocol_set_dtplug_comm_uart(UART0, &uart_handle); + + adc_on(NULL); + adc_start_burst_conversion(ADC_MCH(0) | ADC_MCH(1) | ADC_MCH(2) | ADC_MCH(3), LPC_ADC_SEQ(0)); + + set_gpio_callback(button_request, &button, EDGE_RISING); + + /* Configure onboard temp sensor */ + i2c_on(I2C0, I2C_CLK_100KHz, I2C_MASTER); + temp_config(UART1); + + /* Led strip configuration */ + ws2812_config(&ws2812_data_out_pin); + + while (1) { + struct packet* pkt = NULL; + + status_led(red_off); + + /* UART */ + pkt = dtplug_protocol_get_next_packet_ok(&uart_handle); + if (pkt != NULL) { + handle_uart_commands(pkt); + status_led(green_off); + } + } + return 0; +} + + + +