WIP code

Builds, but is not yet usable in any way nor is anything tested.

This includes ADC reading, basic RGBLED control, and init code. Still need to do probe, user IO including mode select and settings, RGBLED programs, and more.

include/adc.h

@@ -0,0 +1,10 @@
+
+/*
+ * adc.c: probe, user config, and user IO (switch and button) reading
+ *
+ * file creation: 20231016 0102
+ */
+
+
+void adc_init();
+void adc_next();

include/led.h

@@ -0,0 +1,20 @@
+
+/*
+ * led.h: rgbled (and piezo) routines
+ *
+ * file creation: 20231015 0059
+ */
+
+
+#include <stdint.h>
+
+
+
+void led_init();
+void led_next();
+
+void led_mode_rgb();
+void led_mode_buzzer();
+
+void led_setrgb(uint8_t i, uint16_t r, uint16_t g, uint16_t b);
+void led_buzz(uint8_t buzz);

include/py32f0xx_conf.h

@@ -0,0 +1,34 @@
+#ifndef _INC_PY32F00X_CONF_H_
+#define _INC_PY32F00X_CONF_H_
+
+
+
+#include <py32f0xx.h>
+
+// low level libs
+#include "py32f0xx_ll_adc.h"
+#include "py32f0xx_ll_bus.h"
+//#include "py32f0xx_ll_comp.h"
+#include "py32f0xx_ll_cortex.h"
+//#include "py32f0xx_ll_crc.h"
+#include "py32f0xx_ll_dma.h"
+//#include "py32f0xx_ll_exti.h"
+#include "py32f0xx_ll_flash.h"
+#include "py32f0xx_ll_gpio.h"
+//#include "py32f0xx_ll_iwdg.h"
+#include "py32f0xx_ll_i2c.h"
+//#include "py32f0xx_ll_led.h"
+//#include "py32f0xx_ll_lptim.h"
+//#include "py32f0xx_ll_pwr.h"
+#include "py32f0xx_ll_rcc.h"
+//#include "py32f0xx_ll_rtc.h"
+//#include "py32f0xx_ll_spi.h"
+#include "py32f0xx_ll_system.h"
+#include "py32f0xx_ll_tim.h"
+//#include "py32f0xx_ll_usart.h"
+#include "py32f0xx_ll_utils.h"
+//#include "py32f0xx_ll_wwdg.h"
+
+
+
+#endif /* _INC_PY32F00X_CONF_H */

include/py32f0xx_it.h

@@ -0,0 +1,48 @@
+/**
+  ******************************************************************************
+  * @file    py32f0xx_it.h
+  * @author  MCU Application Team
+  * @brief   This file contains the headers of the interrupt handlers.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) Puya Semiconductor Co.
+  * All rights reserved.</center></h2>
+  *
+  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under BSD 3-Clause license,
+  * the "License"; You may not use this file except in compliance with the
+  * License. You may obtain a copy of the License at:
+  *                        opensource.org/licenses/BSD-3-Clause
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __PY32F0XX_IT_H
+#define __PY32F0XX_IT_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif 
+
+/* Private includes ----------------------------------------------------------*/
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions prototypes ---------------------------------------------*/
+void NMI_Handler(void);
+void HardFault_Handler(void);
+void SVC_Handler(void);
+void PendSV_Handler(void);
+void SysTick_Handler(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __PY32F0XX_IT_H */
+
+/************************ (C) COPYRIGHT Puya *****END OF FILE******************/

include/testo.h

@@ -0,0 +1,80 @@
+/*
+ * testo.h: test-o hardware configuration
+ *
+ * file creation: 20231015 0021
+ */
+
+
+#include "py32f0xx_conf.h"
+
+
+
+#define CONF_SET1_PORT      GPIOA
+#define CONF_SET1_PIN       0			// analog-input
+#define CONF_SET1_AN		ADC_CHSELR_CHSEL0
+
+#define VREF_IN_PORT		GPIOA
+#define VREF_IN_PIN			0			// anlog-input
+#define VREF_IN_AN			ADC_CHSELR_CHSEL0
+
+#define PROBE_PORT			GPIOA
+#define PROBE_PIN			1			// analog-input
+#define PROBE_AN			ADC_CHSELR_CHSEL1
+
+#define I2C_PORT			GPIOA
+#define I2C_DEV				I2C1
+#define I2C_AF				LL_GPIO_AF12_I2C
+#define I2C_IRQn			I2C1_IRQn
+#define I2C_SDA_PIN			2			// alt-func
+#define I2C_SCL_PIN			3			// alt-func
+
+#define RGB_PORT			GPIOA
+#define RGB_B_PIN			4			// alt-func
+#define RGB_G_PIN			5			// alt-func
+#define RGB_R_PIN			6			// alt-func
+#define TIM_RGB				TIM3
+#define TIM_RGB_B_CH		LL_TIM_CHANNEL_CH3
+#define TIM_RGB_G_CH		LL_TIM_CHANNEL_CH2
+#define TIM_RGB_R_CH		LL_TIM_CHANNEL_CH1
+#define PWM_RGB_B			TIM_RGB->CCR3
+#define PWM_RGB_G			TIM_RGB->CCR2
+#define PWM_RGB_R			TIM_RGB->CCR1
+
+#define CONF_MODE_PORT		GPIOA
+#define CONF_MODE_PIN		7			// analog-input
+#define CONF_MODE_AN		ADC_CHSELR_CHSEL7
+
+#define RGBSEL0_PORT		GPIOA
+#define RGBSEL0_PIN			12			// output, default low
+
+#define UART_PORT			GPIOA
+#define UART_DEV			USART1
+#define UART_IRQN			USART1_IRQn
+#define UART_RX_PIN			13			// alt-func (if used)
+#define UART_RX_AF			LL_GPIO_AF8_USART1
+#define UART_TX_PIN			14			// alt-func (if used)
+#define UART_TX_AF			LL_GPIO_AF1_USART1
+
+
+#define CONF_SET0_PORT		GPIOB
+#define CONF_SET0_PIN		0			// analog-input
+#define CONF_SET0_AN		ADC_CHSELR_CHSEL8
+
+#define RGBSEL1_PORT		GPIOB
+#define RGBSEL1_PIN			1			// output, default low
+
+
+#define PROBESEL_PORT		GPIOF
+#define PROBESEL_PIN		2			// output, default high
+
+
+#define ADC_SET0			3
+#define ADC_SET1			0
+#define ADC_SET_MODE		2
+
+#define ADC_PROBE			1
+
+#define ADC_VREF_INT		5
+#define ADC_VREF_EXT		0
+#define ADC_THERM			4
+