Merge commit '48c6db19635a804621c7e08e5e3c705aa50e5e9d' into sam-update
This commit is contained in:
Jason Kotzin
commit
9542cd1cfb
@ -35,15 +35,42 @@
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#include <libopencm3/stm32/usart.h>
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#include <libopencm3/usb/usbd.h>
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#include <libopencm3/stm32/adc.h>
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#include <libopencm3/stm32/flash.h>
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static void adc_init(void);
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static void setup_vbus_irq(void);
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/* Starting with hardware version 4 we are storing the hardware version in the
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* flash option user Data1 byte.
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* The hardware version 4 was the transition version that had it's hardware
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* pins strapped to 3 but contains version 4 in the Data1 byte.
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* The hardware 4 is backward compatible with V3 but provides the new jumper
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* connecting STRACE target pin to the UART1 pin.
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* Hardware version 5 does not have the physically strapped version encoding
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* any more and the hardware version has to be read out of the option bytes.
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* This means that older firmware versions that don't do the detection won't
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* work on the newer hardware.
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*/
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#define BMP_HWVERSION_BYTE FLASH_OPTION_BYTE_2
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/* Pins PB[7:5] are used to detect hardware revision.
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* 000 - Original production build.
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* 001 - Mini production build.
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* 010 - Mini V2.0e and later.
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* 011 - Mini V2.1e and later.
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* User option byte Data1 is used starting with hardware revision 4.
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* Pin - OByte - Rev - Description
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* 000 - 0xFFFF - 0 - Original production build.
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* 001 - 0xFFFF - 1 - Mini production build.
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* 010 - 0xFFFF - 2 - Mini V2.0e and later.
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* 011 - 0xFFFF - 3 - Mini V2.1a and later.
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* 011 - 0xFB04 - 4 - Mini V2.1d and later.
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* xxx - 0xFB05 - 5 - Mini V2.2a and later.
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* xxx - 0xFB06 - 6 - Mini V2.3a and later.
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*
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* This function will return -2 if the version number does not make sense.
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* This can happen when the Data1 byte contains "garbage". For example a
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* hardware revision that is <4 or the high byte is not the binary inverse of
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* the lower byte.
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* Note: The high byte of the Data1 option byte should always be the binary
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* inverse of the lower byte unless the byte is not set, then all bits in both
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* high and low byte are 0xFF.
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*/
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int platform_hwversion(void)
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{
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@ -51,7 +78,26 @@ int platform_hwversion(void)
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uint16_t hwversion_pins = GPIO7 | GPIO6 | GPIO5;
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uint16_t unused_pins = hwversion_pins ^ 0xFFFF;
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/* Only check for version if this is the first time. */
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/* Check if the hwversion is set in the user option byte. */
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if (hwversion == -1) {
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if ((BMP_HWVERSION_BYTE != 0xFFFF) &&
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(BMP_HWVERSION_BYTE != 0x00FF)) {
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/* Check if the data is valid.
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* When valid it should only have values 4 and higher.
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*/
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if (((BMP_HWVERSION_BYTE >> 8) !=
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(~BMP_HWVERSION_BYTE & 0xFF)) ||
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((BMP_HWVERSION_BYTE & 0xFF) < 4)) {
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return -2;
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} else {
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hwversion = BMP_HWVERSION_BYTE & 0xFF;
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}
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}
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}
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/* If the hwversion is not set in option bytes check
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* the hw pin strapping.
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*/
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if (hwversion == -1) {
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/* Configure the hardware version pins as input pull-up/down */
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gpio_set_mode(GPIOB, GPIO_MODE_INPUT,
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@ -299,7 +345,18 @@ void platform_request_boot(void)
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void exti15_10_isr(void)
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{
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if (gpio_get(USB_VBUS_PORT, USB_VBUS_PIN)) {
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uint32_t usb_vbus_port;
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uint16_t usb_vbus_pin;
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if (platform_hwversion() < 5) {
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usb_vbus_port = USB_VBUS_PORT;
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usb_vbus_pin = USB_VBUS_PIN;
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} else {
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usb_vbus_port = USB_VBUS5_PORT;
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usb_vbus_pin = USB_VBUS5_PIN;
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}
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if (gpio_get(usb_vbus_port, usb_vbus_pin)) {
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/* Drive pull-up high if VBUS connected */
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gpio_set_mode(USB_PU_PORT, GPIO_MODE_OUTPUT_10_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL, USB_PU_PIN);
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@ -309,24 +366,35 @@ void exti15_10_isr(void)
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GPIO_CNF_INPUT_FLOAT, USB_PU_PIN);
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}
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exti_reset_request(USB_VBUS_PIN);
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exti_reset_request(usb_vbus_pin);
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}
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static void setup_vbus_irq(void)
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{
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uint32_t usb_vbus_port;
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uint16_t usb_vbus_pin;
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if (platform_hwversion() < 5) {
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usb_vbus_port = USB_VBUS_PORT;
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usb_vbus_pin = USB_VBUS_PIN;
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} else {
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usb_vbus_port = USB_VBUS5_PORT;
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usb_vbus_pin = USB_VBUS5_PIN;
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}
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nvic_set_priority(USB_VBUS_IRQ, IRQ_PRI_USB_VBUS);
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nvic_enable_irq(USB_VBUS_IRQ);
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gpio_set(USB_VBUS_PORT, USB_VBUS_PIN);
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gpio_set(usb_vbus_port, usb_vbus_pin);
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gpio_set(USB_PU_PORT, USB_PU_PIN);
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gpio_set_mode(USB_VBUS_PORT, GPIO_MODE_INPUT,
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GPIO_CNF_INPUT_PULL_UPDOWN, USB_VBUS_PIN);
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gpio_set_mode(usb_vbus_port, GPIO_MODE_INPUT,
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GPIO_CNF_INPUT_PULL_UPDOWN, usb_vbus_pin);
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/* Configure EXTI for USB VBUS monitor */
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exti_select_source(USB_VBUS_PIN, USB_VBUS_PORT);
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exti_set_trigger(USB_VBUS_PIN, EXTI_TRIGGER_BOTH);
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exti_enable_request(USB_VBUS_PIN);
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exti_select_source(usb_vbus_pin, usb_vbus_port);
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exti_set_trigger(usb_vbus_pin, EXTI_TRIGGER_BOTH);
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exti_enable_request(usb_vbus_pin);
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exti15_10_isr();
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}
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@ -41,27 +41,66 @@ int usbuart_debug_write(const char *buf, size_t len);
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#define PLATFORM_IDENT " "
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#define UPD_IFACE_STRING "@Internal Flash /0x08000000/8*001Kg"
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/* Hardware version switcher helper
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* when the hardware version is smaller than ver
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* it outputs opt1, otherwise opt2 */
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#define HW_SWITCH(ver, opt1, opt2) \
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((platform_hwversion() < (ver))?(opt1):(opt2))
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/* Important pin mappings for STM32 implementation:
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*
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* LED0 = PB2 (Yellow LED : Running)
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* LED1 = PB10 (Yellow LED : Idle)
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* LED1 = PB10 (Orange LED : Idle)
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* LED2 = PB11 (Red LED : Error)
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*
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* TPWR = PB0 (input) -- analogue on mini design ADC1, ch8
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* TPWR = PB0 (input) -- analogue on mini design ADC1, CH8
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* nTRST = PB1 (output) [blackmagic]
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* PWR_BR = PB1 (output) [blackmagic_mini] -- supply power to the target, active low
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* TMS_DIR = PA1 (output) [blackmagic_mini v2.1] -- choose direction of the TCK pin, input low, output high
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* SRST_OUT = PA2 (output)
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* TDI = PA3 (output)
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* SRST_OUT = PA2 (output) -- Hardware 5 and older
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* = PA9 (output) -- Hardware 6 and newer
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* TDI = PA3 (output) -- Hardware 5 and older
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* = PA7 (output) -- Hardware 6 and newer
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* TMS = PA4 (input/output for SWDIO)
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* TCK = PA5 (output SWCLK)
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* TDO = PA6 (input)
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* nSRST = PA7 (input)
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* TRACESWO = PB7 (input) -- To allow trace decoding using USART1
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* Hardware 4 has a normally open jumper between TDO and TRACESWO
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* Hardware 5 has hardwired connection between TDO and TRACESWO
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* = PA10 (input) -- Hardware 6 and newer
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* nSRST = PA7 (input) -- Hardware 5 and older
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* = PC13 (input) -- Hardware 6 and newer
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*
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* USB cable pull-up: PA8
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* USB VBUS detect: PB13 -- New on mini design.
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* USB_PU = PA8 (output)
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* USB_VBUS = PB13 (input) -- New on mini design.
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* Enable pull up for compatibility.
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* Force DFU mode button: PB12
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* Hardware 4 and older. (we needed the pin for SPI on 5)
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* = PA15 (input) -- Hardware 5 and newer.
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* BTN1 = PB12 (input) -- Force DFU bootloader when pressed during powerup.
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*
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* UART_TX = PA9 (output) -- USART1 Hardware 5 and older
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* = PA2 (output) -- USART2 Hardware 6 and newer
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* UART_RX = PA10 (input) -- USART1 Hardware 5 and older
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* = PA3 (input) -- USART2 Hardware 6 and newer
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*
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* On Board OTG Flash: -- Optional on Hardware 5 and newer, since Hardware 6 can be on the main board
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* FLASH_CS = PB5 (output)
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* SCLK = PB13 (output)
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* COPI = PB15 (output)
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* CIPO = PB14 (input)
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*
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* AUX Interface: -- Hardware 5 and newer
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* SCLK = PB13 (output)
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* COPI = PB15 (output)
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* CIPO = PB14 (input)
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* FLASH_CS = PB5 (output) -- Only Hardware 5
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* SD_CS = PB6 (output) -- Hardware 6 and newer
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* DISPLAY_CS = PB6 (output) -- OnlyHardware 5
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* = PB7 (output) -- Hardware 6 and newer
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* DISPLAY_DC = PB8 (output)
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* BTN1 = PB12 (input) -- Shared with the DFU bootloader button
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* BTN2 = PB9 (input)
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* VBAT = PA0 (input) -- Battery voltage sense ADC2, CH0
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*/
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/* Hardware definitions... */
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@ -71,7 +110,7 @@ int usbuart_debug_write(const char *buf, size_t len);
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#define TMS_PORT JTAG_PORT
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#define TCK_PORT JTAG_PORT
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#define TDO_PORT JTAG_PORT
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#define TDI_PIN GPIO3
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#define TDI_PIN HW_SWITCH(6, GPIO3, GPIO7)
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#define TMS_DIR_PIN GPIO1
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#define TMS_PIN GPIO4
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#define TCK_PIN GPIO5
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@ -89,17 +128,23 @@ int usbuart_debug_write(const char *buf, size_t len);
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#define PWR_BR_PORT GPIOB
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#define PWR_BR_PIN GPIO1
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#define SRST_PORT GPIOA
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#define SRST_PIN GPIO2
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#define SRST_PIN HW_SWITCH(6, GPIO2, GPIO9)
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#define SRST_SENSE_PORT GPIOA
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#define SRST_SENSE_PIN GPIO7
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#define SRST_SENSE_PIN HW_SWITCH(6, GPIO7, GPIO13)
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#define USB_PU_PORT GPIOA
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#define USB_PU_PIN GPIO8
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/* For HW Rev 4 and older */
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#define USB_VBUS_PORT GPIOB
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#define USB_VBUS_PIN GPIO13
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/* IRQ stays the same for all hw revisions. */
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#define USB_VBUS_IRQ NVIC_EXTI15_10_IRQ
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/* For HW Rev 5 and newer */
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#define USB_VBUS5_PORT GPIOA
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#define USB_VBUS5_PIN GPIO15
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#define LED_PORT GPIOB
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#define LED_PORT_UART GPIOB
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#define LED_0 GPIO2
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@ -109,6 +154,37 @@ int usbuart_debug_write(const char *buf, size_t len);
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#define LED_IDLE_RUN LED_1
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#define LED_ERROR LED_2
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/* OTG Flash HW Rev 5 and newer */
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#define OTG_PORT GPIOB
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#define OTG_CS GPIO5
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#define OTG_SCLK GPIO13
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#define OTG_COPI GPIO15
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#define OTG_CIPO GPIO14
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/* AUX Port HW Rev 5 and newer */
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#define AUX_PORT GPIOB
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#define AUX_SCLK_PORT AUX_PORT
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#define AUX_COPI_PORT AUX_PORT
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#define AUX_CIPO_PORT AUX_PORT
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#define AUX_FCS_PORT AUX_PORT
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#define AUX_SDCS_PORT AUX_PORT
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#define AUX_DCS_PORT AUX_PORT
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#define AUX_DDC_PORT AUX_PORT
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#define AUX_BTN1_PORT AUX_PORT
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#define AUX_BTN2_PORT AUX_PORT
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#define AUX_VBAT_PORT GPIOA
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#define AUX_SCLK GPIO13
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#define AUX_COPI GPIO15
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#define AUX_CIPO GPIO14
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#define AUX_FCS GPIO5
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#define AUX_SDCS GPIO6
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#define AUX_DCS GPIO6
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#define AUX_DCS6 GPIO7
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#define AUX_DDC GPIO8
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#define AUX_BTN1 GPIO12
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#define AUX_BTN2 GPIO9
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#define AUX_VBAT GPIO0
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# define SWD_CR GPIO_CRL(SWDIO_PORT)
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# define SWD_CR_MULT (1 << (4 << 2))
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@ -151,23 +227,39 @@ int usbuart_debug_write(const char *buf, size_t len);
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#define IRQ_PRI_USB_VBUS (14 << 4)
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#define IRQ_PRI_TRACE (0 << 4)
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#define USBUSART USART1
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#define USBUSART_CR1 USART1_CR1
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#define USBUSART_DR USART1_DR
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#define USBUSART_IRQ NVIC_USART1_IRQ
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#define USBUSART_CLK RCC_USART1
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#define USBUSART HW_SWITCH(6, USBUSART1, USBUSART2)
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#define USBUSART_IRQ HW_SWITCH(6, NVIC_USART1_IRQ, NVIC_USART2_IRQ)
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#define USBUSART_CLK HW_SWITCH(6, RCC_USART1, RCC_USART2)
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#define USBUSART_PORT GPIOA
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#define USBUSART_TX_PIN GPIO9
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#define USBUSART_RX_PIN GPIO10
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#define USBUSART_ISR(x) usart1_isr(x)
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#define USBUSART_TX_PIN HW_SWITCH(6, GPIO9, GPIO2)
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#define USBUSART_RX_PIN HW_SWITCH(6, GPIO10, GPIO3)
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#define USBUSART_DMA_BUS DMA1
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#define USBUSART_DMA_CLK RCC_DMA1
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#define USBUSART_DMA_TX_CHAN DMA_CHANNEL4
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#define USBUSART_DMA_TX_IRQ NVIC_DMA1_CHANNEL4_IRQ
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#define USBUSART_DMA_TX_ISR(x) dma1_channel4_isr(x)
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#define USBUSART_DMA_RX_CHAN DMA_CHANNEL5
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#define USBUSART_DMA_RX_IRQ NVIC_DMA1_CHANNEL5_IRQ
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#define USBUSART_DMA_RX_ISR(x) dma1_channel5_isr(x)
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#define USBUSART_DMA_TX_CHAN HW_SWITCH(6, USBUSART1_DMA_TX_CHAN, USBUSART2_DMA_TX_CHAN)
|
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#define USBUSART_DMA_RX_CHAN HW_SWITCH(6, USBUSART1_DMA_RX_CHAN, USBUSART2_DMA_RX_CHAN)
|
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#define USBUSART_DMA_TX_IRQ HW_SWITCH(6, USBUSART1_DMA_TX_IRQ, USBUSART2_DMA_TX_IRQ)
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#define USBUSART_DMA_RX_IRQ HW_SWITCH(6, USBUSART1_DMA_RX_IRQ, USBUSART2_DMA_RX_IRQ)
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|
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#define USBUSART1 USART1
|
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#define USBUSART1_IRQ NVIC_USART1_IRQ
|
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#define USBUSART1_ISR(x) usart1_isr(x)
|
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#define USBUSART1_DMA_TX_CHAN DMA_CHANNEL4
|
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#define USBUSART1_DMA_TX_IRQ NVIC_DMA1_CHANNEL4_IRQ
|
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#define USBUSART1_DMA_TX_ISR(x) dma1_channel4_isr(x)
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#define USBUSART1_DMA_RX_CHAN DMA_CHANNEL5
|
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#define USBUSART1_DMA_RX_IRQ NVIC_DMA1_CHANNEL5_IRQ
|
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#define USBUSART1_DMA_RX_ISR(x) dma1_channel5_isr(x)
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|
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#define USBUSART2 USART2
|
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#define USBUSART2_IRQ NVIC_USART2_IRQ
|
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#define USBUSART2_ISR(x) usart2_isr(x)
|
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#define USBUSART2_DMA_TX_CHAN DMA_CHANNEL7
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#define USBUSART2_DMA_TX_IRQ NVIC_DMA1_CHANNEL7_IRQ
|
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#define USBUSART2_DMA_TX_ISR(x) dma1_channel7_isr(x)
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#define USBUSART2_DMA_RX_CHAN DMA_CHANNEL6
|
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#define USBUSART2_DMA_RX_IRQ NVIC_DMA1_CHANNEL6_IRQ
|
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#define USBUSART2_DMA_RX_ISR(x) dma1_channel6_isr(x)
|
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|
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#define TRACE_TIM TIM3
|
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#define TRACE_TIM_CLK_EN() rcc_periph_clock_enable(RCC_TIM3)
|
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|
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@ -119,14 +119,18 @@ void usbuart_init(void)
|
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usart_set_mode(USBUSART, USART_MODE_TX_RX);
|
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usart_set_parity(USBUSART, USART_PARITY_NONE);
|
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usart_set_flow_control(USBUSART, USART_FLOWCONTROL_NONE);
|
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USBUSART_CR1 |= USART_CR1_IDLEIE;
|
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USART_CR1(USBUSART) |= USART_CR1_IDLEIE;
|
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|
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/* Setup USART TX DMA */
|
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#if !defined(USBUSART_TDR) && defined(USBUSART_DR)
|
||||
# define USBUSART_TDR USBUSART_DR
|
||||
#else
|
||||
# define USBUSART_TDR USART_DR(USBUSART)
|
||||
#endif
|
||||
#if !defined(USBUSART_RDR) && defined(USBUSART_DR)
|
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# define USBUSART_RDR USBUSART_DR
|
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#else
|
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# define USBUSART_RDR USART_DR(USBUSART)
|
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#endif
|
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dma_channel_reset(USBUSART_DMA_BUS, USBUSART_DMA_TX_CHAN);
|
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dma_set_peripheral_address(USBUSART_DMA_BUS, USBUSART_DMA_TX_CHAN, (uint32_t)&USBUSART_TDR);
|
||||
@ -270,7 +274,8 @@ void usbuart_usb_out_cb(usbd_device *dev, uint8_t ep)
|
||||
/* Don't bother if uart is disabled.
|
||||
* This will be the case on mini while we're being debugged.
|
||||
*/
|
||||
if(!(RCC_APB2ENR & RCC_APB2ENR_USART1EN))
|
||||
if(!(RCC_APB2ENR & RCC_APB2ENR_USART1EN) &&
|
||||
!(RCC_APB1ENR & RCC_APB1ENR_USART2EN))
|
||||
{
|
||||
usbd_ep_nak_set(dev, CDCACM_UART_ENDPOINT, 0);
|
||||
return;
|
||||
@ -402,72 +407,151 @@ static void usbuart_run(void)
|
||||
nvic_enable_irq(USB_IRQ);
|
||||
}
|
||||
|
||||
#if defined(USART_ICR)
|
||||
#define USBUSART_ISR_TEMPLATE(USART, DMA_IRQ) do { \
|
||||
nvic_disable_irq(DMA_IRQ); \
|
||||
\
|
||||
/* Get IDLE flag and reset interrupt flags */ \
|
||||
const bool isIdle = usart_get_flag(USART, USART_FLAG_IDLE); \
|
||||
usart_recv(USART); \
|
||||
\
|
||||
/* If line is now idle, then transmit a packet */ \
|
||||
if (isIdle) { \
|
||||
USART_ICR(USART) = USART_ICR_IDLECF; \
|
||||
usbuart_run(); \
|
||||
} \
|
||||
\
|
||||
nvic_enable_irq(DMA_IRQ); \
|
||||
} while(0)
|
||||
#else
|
||||
#define USBUSART_ISR_TEMPLATE(USART, DMA_IRQ) do { \
|
||||
nvic_disable_irq(DMA_IRQ); \
|
||||
\
|
||||
/* Get IDLE flag and reset interrupt flags */ \
|
||||
const bool isIdle = usart_get_flag(USART, USART_FLAG_IDLE); \
|
||||
usart_recv(USART); \
|
||||
\
|
||||
/* If line is now idle, then transmit a packet */ \
|
||||
if (isIdle) { \
|
||||
/* On the older uarts, the sequence "read flags", */ \
|
||||
/* "read DR" clears the flags */ \
|
||||
\
|
||||
usbuart_run(); \
|
||||
} \
|
||||
\
|
||||
nvic_enable_irq(DMA_IRQ); \
|
||||
} while(0)
|
||||
#endif
|
||||
|
||||
#if defined(USBUSART_ISR)
|
||||
void USBUSART_ISR(void)
|
||||
{
|
||||
#if defined(USBUSART_DMA_RXTX_IRQ)
|
||||
nvic_disable_irq(USBUSART_DMA_RXTX_IRQ);
|
||||
USBUSART_ISR_TEMPLATE(USBUSART, USBUSART_DMA_RXTX_IRQ);
|
||||
#else
|
||||
nvic_disable_irq(USBUSART_DMA_RX_IRQ);
|
||||
#endif
|
||||
|
||||
/* Get IDLE flag and reset interrupt flags */
|
||||
const bool isIdle = usart_get_flag(USBUSART, USART_FLAG_IDLE);
|
||||
usart_recv(USBUSART);
|
||||
|
||||
/* If line is now idle, then transmit a packet */
|
||||
if (isIdle) {
|
||||
#if defined(USART_ICR)
|
||||
USART_ICR(USBUSART) = USART_ICR_IDLECF;
|
||||
#else
|
||||
/* On the older uarts, the sequence "read flags", "read DR"
|
||||
* as above cleared the flags */
|
||||
#endif
|
||||
usbuart_run();
|
||||
}
|
||||
|
||||
#if defined(USBUSART_DMA_RXTX_IRQ)
|
||||
nvic_enable_irq(USBUSART_DMA_RXTX_IRQ);
|
||||
#else
|
||||
nvic_enable_irq(USBUSART_DMA_RX_IRQ);
|
||||
USBUSART_ISR_TEMPLATE(USBUSART, USBUSART_DMA_RX_IRQ);
|
||||
#endif
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(USBUSART1_ISR)
|
||||
void USBUSART1_ISR(void)
|
||||
{
|
||||
#if defined(USBUSART1_DMA_RXTX_IRQ)
|
||||
USBUSART_ISR_TEMPLATE(USBUSART1, USBUSART1_DMA_RXTX_IRQ);
|
||||
#else
|
||||
USBUSART_ISR_TEMPLATE(USBUSART1, USBUSART1_DMA_RX_IRQ);
|
||||
#endif
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(USBUSART2_ISR)
|
||||
void USBUSART2_ISR(void)
|
||||
{
|
||||
#if defined(USBUSART2_DMA_RXTX_IRQ)
|
||||
USBUSART_ISR_TEMPLATE(USBUSART2, USBUSART2_DMA_RXTX_IRQ);
|
||||
#else
|
||||
USBUSART_ISR_TEMPLATE(USBUSART2, USBUSART2_DMA_RX_IRQ);
|
||||
#endif
|
||||
}
|
||||
#endif
|
||||
|
||||
#define USBUSART_DMA_TX_ISR_TEMPLATE(DMA_TX_CHAN) do { \
|
||||
nvic_disable_irq(USB_IRQ); \
|
||||
\
|
||||
/* Stop DMA */ \
|
||||
dma_disable_channel(USBUSART_DMA_BUS, DMA_TX_CHAN); \
|
||||
dma_clear_interrupt_flags(USBUSART_DMA_BUS, DMA_TX_CHAN, DMA_CGIF); \
|
||||
\
|
||||
/* If new buffer is ready, continue transmission. \
|
||||
* Otherwise report transfer completion. \
|
||||
*/ \
|
||||
if (buf_tx_act_sz) \
|
||||
{ \
|
||||
usbuart_change_dma_tx_buf(); \
|
||||
usbd_ep_nak_set(usbdev, CDCACM_UART_ENDPOINT, 0); \
|
||||
} \
|
||||
else \
|
||||
{ \
|
||||
usbuart_set_led_state(TX_LED_ACT, false); \
|
||||
tx_trfr_cplt = true; \
|
||||
} \
|
||||
\
|
||||
nvic_enable_irq(USB_IRQ); \
|
||||
} while(0)
|
||||
|
||||
#if defined(USBUSART_DMA_TX_ISR)
|
||||
void USBUSART_DMA_TX_ISR(void)
|
||||
{
|
||||
nvic_disable_irq(USB_IRQ);
|
||||
USBUSART_DMA_TX_ISR_TEMPLATE(USBUSART_DMA_TX_CHAN);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Stop DMA */
|
||||
dma_disable_channel(USBUSART_DMA_BUS, USBUSART_DMA_TX_CHAN);
|
||||
dma_clear_interrupt_flags(USBUSART_DMA_BUS, USBUSART_DMA_TX_CHAN, DMA_CGIF);
|
||||
|
||||
/* If new buffer is ready, continue transmission.
|
||||
* Otherwise report transfer completion.
|
||||
*/
|
||||
if (buf_tx_act_sz)
|
||||
#if defined(USBUSART1_DMA_TX_ISR)
|
||||
void USBUSART1_DMA_TX_ISR(void)
|
||||
{
|
||||
usbuart_change_dma_tx_buf();
|
||||
usbd_ep_nak_set(usbdev, CDCACM_UART_ENDPOINT, 0);
|
||||
USBUSART_DMA_TX_ISR_TEMPLATE(USBUSART1_DMA_TX_CHAN);
|
||||
}
|
||||
else
|
||||
#endif
|
||||
|
||||
#if defined(USBUSART2_DMA_TX_ISR)
|
||||
void USBUSART2_DMA_TX_ISR(void)
|
||||
{
|
||||
usbuart_set_led_state(TX_LED_ACT, false);
|
||||
tx_trfr_cplt = true;
|
||||
USBUSART_DMA_TX_ISR_TEMPLATE(USBUSART2_DMA_TX_CHAN);
|
||||
}
|
||||
#endif
|
||||
|
||||
nvic_enable_irq(USB_IRQ);
|
||||
}
|
||||
#define USBUSART_DMA_RX_ISR_TEMPLATE(USART_IRQ, DMA_RX_CHAN) do { \
|
||||
nvic_disable_irq(USART_IRQ); \
|
||||
\
|
||||
/* Clear flags */ \
|
||||
dma_clear_interrupt_flags(USBUSART_DMA_BUS, DMA_RX_CHAN, DMA_CGIF); \
|
||||
/* Transmit a packet */ \
|
||||
usbuart_run(); \
|
||||
\
|
||||
nvic_enable_irq(USART_IRQ); \
|
||||
} while(0)
|
||||
|
||||
#if defined(USBUSART_DMA_RX_ISR)
|
||||
void USBUSART_DMA_RX_ISR(void)
|
||||
{
|
||||
nvic_disable_irq(USBUSART_IRQ);
|
||||
|
||||
/* Clear flags */
|
||||
dma_clear_interrupt_flags(USBUSART_DMA_BUS, USBUSART_DMA_RX_CHAN, DMA_CGIF);
|
||||
/* Transmit a packet */
|
||||
usbuart_run();
|
||||
|
||||
nvic_enable_irq(USBUSART_IRQ);
|
||||
USBUSART_DMA_RX_ISR_TEMPLATE(USBUSART_IRQ, USBUSART_DMA_RX_CHAN);
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(USBUSART1_DMA_RX_ISR)
|
||||
void USBUSART1_DMA_RX_ISR(void)
|
||||
{
|
||||
USBUSART_DMA_RX_ISR_TEMPLATE(USBUSART1_IRQ, USBUSART1_DMA_RX_CHAN);
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(USBUSART2_DMA_RX_ISR)
|
||||
void USBUSART2_DMA_RX_ISR(void)
|
||||
{
|
||||
USBUSART_DMA_RX_ISR_TEMPLATE(USBUSART2_IRQ, USBUSART2_DMA_RX_CHAN);
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(USBUSART_DMA_RXTX_ISR)
|
||||
void USBUSART_DMA_RXTX_ISR(void)
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user