From: Martin Mares Date: Sat, 22 Jul 2023 16:13:05 +0000 (+0200) Subject: test-shutters: Init X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=c3cd6e418d2dd3fd2073d85fe8b29c826dab1bb1;p=home-hw.git test-shutters: Init --- diff --git a/test-shutters/Makefile b/test-shutters/Makefile new file mode 100644 index 0000000..8063dfb --- /dev/null +++ b/test-shutters/Makefile @@ -0,0 +1,11 @@ +ROOT=.. +BINARY=test +OBJS=main.o +LIB_OBJS=util-debug.o + +WITH_BOOT_LOADER=1 +WITH_DFU_FLASH=1 +DFU_ARGS=-d 4242:0007 +# DFU_ARGS=-d 4242:0008 + +include $(ROOT)/mk/bluepill.mk diff --git a/test-shutters/README b/test-shutters/README new file mode 100644 index 0000000..cc38070 --- /dev/null +++ b/test-shutters/README @@ -0,0 +1,32 @@ +Assignment of peripherals and pins +================================== + +SPI2 emulated TM1618 LED driver +USART1 debugging +TIM3 TM1618 timeout +TIM4 timing of IR remote control + + + Blue Pill pinout + +--------------------+ + | VBATT 3.3V | +BluePill LED | PC13 GND | + | PC14 5V | + | PC15 PB9 | + | PA0 PB8 | + | PA1 PB7 | + | PA2 PB6 | + | PA3 PB5 | + | PA4 PB4 | + | PA5 PB3 | + | PA6 PA15 | + | PA7 PA12 | + | PB0 PA11 | + | PB1 PA10 | RXD1 - debugging console + | PB10 PA9 | TXD1 - debugging console + | PB11 PA8 | IR remote control output (via optocoupler, negated) + | RESET PB15 | MOSI2 - LED driver data input (via optocoupler, negated) + | 3.3 V PB14 | MISO2 - unused + | GND PB13 | SCK2 - LED driver clock (via optocoupler, negated) + | GND PB12 | SS2 - unused + +--------------------+ diff --git a/test-shutters/config.h b/test-shutters/config.h new file mode 100644 index 0000000..fe39e28 --- /dev/null +++ b/test-shutters/config.h @@ -0,0 +1,18 @@ +/* + * Test Gadget -- Configuration + * + * (c) 2020 Martin Mareš + */ + +// Processor clock + +#define CPU_CLOCK_MHZ 72 + +// Debugging port + +#define DEBUG_USART USART1 +#define DEBUG_LED_BLUEPILL + +// Testing of IR receiver + +#undef IR_TEST diff --git a/test-shutters/kerm b/test-shutters/kerm new file mode 100644 index 0000000..988f567 --- /dev/null +++ b/test-shutters/kerm @@ -0,0 +1,5 @@ +set port /dev/ttyUSB0 +set speed 115200 +set flow-control none +set carrier-watch off +connect diff --git a/test-shutters/main.c b/test-shutters/main.c new file mode 100644 index 0000000..275b9ba --- /dev/null +++ b/test-shutters/main.c @@ -0,0 +1,337 @@ +/* + * Testing Shutter Controller + * + * (c) 2023 Martin Mareš + */ + +#include "util.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +/*** Hardware init ***/ + +static void clock_init(void) +{ + rcc_clock_setup_pll(&rcc_hse_configs[RCC_CLOCK_HSE8_72MHZ]); + + rcc_periph_clock_enable(RCC_GPIOA); + rcc_periph_clock_enable(RCC_GPIOB); + rcc_periph_clock_enable(RCC_GPIOC); + rcc_periph_clock_enable(RCC_SPI2); + rcc_periph_clock_enable(RCC_USART1); + rcc_periph_clock_enable(RCC_USB); + + rcc_periph_reset_pulse(RST_GPIOA); + rcc_periph_reset_pulse(RST_GPIOB); + rcc_periph_reset_pulse(RST_GPIOC); + rcc_periph_reset_pulse(RST_USART1); + rcc_periph_reset_pulse(RST_USB); +} + +static void gpio_init(void) +{ + // PA9 = TXD1 for debugging console + // PA10 = RXD1 for debugging console + gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO9); + gpio_set_mode(GPIOA, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO10); + + // PC13 = BluePill LED + gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO13); + gpio_clear(GPIOC, GPIO13); + + // PB6 = SSR (active low) + gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO6); + gpio_set(GPIOB, GPIO6); + + // PA0 = current sense + gpio_set_mode(GPIOA, GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, GPIO0); + gpio_set(GPIOA, GPIO0); +} + +static void usart_init(void) +{ + 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); + + usart_enable(USART1); +} + +/*** System ticks ***/ + +static volatile u32 ms_ticks; + +void sys_tick_handler(void) +{ + ms_ticks++; +} + +static void tick_init(void) +{ + systick_set_frequency(1000, CPU_CLOCK_MHZ * 1000000); + systick_counter_enable(); + systick_interrupt_enable(); +} + +static void delay_ms(uint ms) +{ + u32 start_ticks = ms_ticks; + while (ms_ticks - start_ticks < ms) + ; +} + +/*** USB ***/ + +static usbd_device *usbd_dev; + +enum usb_string { + STR_MANUFACTURER = 1, + STR_PRODUCT, + STR_SERIAL, +}; + +static char usb_serial_number[13]; + +static const char *usb_strings[] = { + "United Computer Wizards", + "Shutter Control Test", + usb_serial_number, +}; + +static const struct usb_device_descriptor device = { + .bLength = USB_DT_DEVICE_SIZE, + .bDescriptorType = USB_DT_DEVICE, + .bcdUSB = 0x0200, + .bDeviceClass = 0xFF, + .bDeviceSubClass = 0, + .bDeviceProtocol = 0, + .bMaxPacketSize0 = 64, + .idVendor = 0x4242, + .idProduct = 0x0007, + .bcdDevice = 0x0000, + .iManufacturer = STR_MANUFACTURER, + .iProduct = STR_PRODUCT, + .iSerialNumber = STR_SERIAL, + .bNumConfigurations = 1, +}; + +static const struct usb_endpoint_descriptor endpoints[] = {{ + // Bulk end-point for sending values to the display + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = 0x01, + .bmAttributes = USB_ENDPOINT_ATTR_BULK, + .wMaxPacketSize = 64, + .bInterval = 1, +}}; + +static const struct usb_interface_descriptor iface = { + .bLength = USB_DT_INTERFACE_SIZE, + .bDescriptorType = USB_DT_INTERFACE, + .bInterfaceNumber = 0, + .bAlternateSetting = 0, + .bNumEndpoints = 1, + .bInterfaceClass = 0xFF, + .bInterfaceSubClass = 0, + .bInterfaceProtocol = 0, + .iInterface = 0, + .endpoint = endpoints, +}; + +static const struct usb_dfu_descriptor dfu_function = { + .bLength = sizeof(struct usb_dfu_descriptor), + .bDescriptorType = DFU_FUNCTIONAL, + .bmAttributes = USB_DFU_CAN_DOWNLOAD | USB_DFU_WILL_DETACH, + .wDetachTimeout = 255, + .wTransferSize = 1024, + .bcdDFUVersion = 0x0100, +}; + +static const struct usb_interface_descriptor dfu_iface = { + .bLength = USB_DT_INTERFACE_SIZE, + .bDescriptorType = USB_DT_INTERFACE, + .bInterfaceNumber = 1, + .bAlternateSetting = 0, + .bNumEndpoints = 0, + .bInterfaceClass = 0xFE, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 1, + .iInterface = 0, + + .extra = &dfu_function, + .extralen = sizeof(dfu_function), +}; + +static const struct usb_interface ifaces[] = {{ + .num_altsetting = 1, + .altsetting = &iface, +}, { + .num_altsetting = 1, + .altsetting = &dfu_iface, +}}; + +static const struct usb_config_descriptor config = { + .bLength = USB_DT_CONFIGURATION_SIZE, + .bDescriptorType = USB_DT_CONFIGURATION, + .wTotalLength = 0, + .bNumInterfaces = 2, + .bConfigurationValue = 1, + .iConfiguration = 0, + .bmAttributes = 0x80, + .bMaxPower = 50, // multiplied by 2 mA + .interface = ifaces, +}; + +static byte usb_configured; +static uint8_t usbd_control_buffer[64]; + +static void dfu_detach_complete(usbd_device *dev UNUSED, struct usb_setup_data *req UNUSED) +{ + // Reset to bootloader, which implements the rest of DFU + debug_printf("Switching to DFU\n"); + debug_flush(); + scb_reset_core(); +} + +static enum usbd_request_return_codes dfu_control_cb(usbd_device *dev UNUSED, + struct usb_setup_data *req, + uint8_t **buf UNUSED, + uint16_t *len UNUSED, + void (**complete)(usbd_device *dev, struct usb_setup_data *req)) +{ + if (req->bmRequestType != 0x21 || req->bRequest != DFU_DETACH) + return USBD_REQ_NOTSUPP; + + *complete = dfu_detach_complete; + return USBD_REQ_HANDLED; +} + +static void ep01_cb(usbd_device *dev, uint8_t ep UNUSED) +{ + // We received a frame from the USB host + byte buf[8]; + uint len = usbd_ep_read_packet(dev, 0x01, buf, 8); + debug_printf("USB: Host sent %u bytes\n", len); +} + +static void set_config_cb(usbd_device *dev, uint16_t wValue UNUSED) +{ + usbd_register_control_callback( + dev, + USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE, + USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT, + dfu_control_cb); + usbd_ep_setup(dev, 0x01, USB_ENDPOINT_ATTR_BULK, 64, ep01_cb); + usb_configured = 1; +} + +static void reset_cb(void) +{ + debug_printf("USB: Reset\n"); + usb_configured = 0; +} + +static volatile bool usb_event_pending; + +void usb_lp_can_rx0_isr(void) +{ + /* + * We handle USB in the main loop to avoid race conditions between + * USB interrupts and other code. However, we need an interrupt to + * up the main loop from sleep. + * + * We set up only the low-priority ISR, because high-priority ISR handles + * only double-buffered bulk transfers and isochronous transfers. + */ + nvic_disable_irq(NVIC_USB_LP_CAN_RX0_IRQ); + usb_event_pending = 1; +} + +static void usb_init(void) +{ + // Simulate USB disconnect + gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN, GPIO11 | GPIO12); + gpio_clear(GPIOA, GPIO11 | GPIO12); + delay_ms(100); + + usbd_dev = usbd_init( + &st_usbfs_v1_usb_driver, + &device, + &config, + usb_strings, + ARRAY_SIZE(usb_strings), + usbd_control_buffer, + sizeof(usbd_control_buffer) + ); + usbd_register_reset_callback(usbd_dev, reset_cb); + usbd_register_set_config_callback(usbd_dev, set_config_cb); + usb_event_pending = 1; +} + +/*** Main ***/ + +int main(void) +{ + clock_init(); + gpio_init(); + usart_init(); + + tick_init(); + desig_get_unique_id_as_dfu(usb_serial_number); + + debug_printf("Hello, world!\n"); + + usb_init(); + + u32 last_blink = 0; + uint csense[2] = { 0, 0 }; + + for (;;) { + if (ms_ticks - last_blink >= 1000) { + debug_led_toggle(); + last_blink = ms_ticks; + debug_printf("C: %u %u\n", csense[0], csense[1]); + csense[0] = csense[1] = 0; + } + + csense[gpio_get(GPIOA, GPIO0)]++; + + if (usart_get_flag(USART1, USART_SR_RXNE)) { + uint ch = usart_recv(USART1); + if (ch == '1') { + gpio_clear(GPIOB, GPIO6); + } else if (ch == '0') { + gpio_set(GPIOB, GPIO6); + } else { + debug_putc(ch); + } + } + + if (usb_event_pending) { + usbd_poll(usbd_dev); + usb_event_pending = 0; + nvic_clear_pending_irq(NVIC_USB_LP_CAN_RX0_IRQ); + nvic_enable_irq(NVIC_USB_LP_CAN_RX0_IRQ); + } + + wait_for_interrupt(); + } + + return 0; +}