diff options
| -rw-r--r-- | src/portable/wch/hcd_ch32_usbfs.c | 194 |
1 files changed, 106 insertions, 88 deletions
diff --git a/src/portable/wch/hcd_ch32_usbfs.c b/src/portable/wch/hcd_ch32_usbfs.c index cbbf90da6..800390989 100644 --- a/src/portable/wch/hcd_ch32_usbfs.c +++ b/src/portable/wch/hcd_ch32_usbfs.c @@ -38,7 +38,7 @@ #include "ch32v20x_usb.h" void osal_task_delay(uint32_t msec) { - unsigned long start = board_millis(); + uint32_t start = board_millis(); while (board_millis() - start < msec) {} } @@ -48,25 +48,25 @@ __attribute__((aligned(4))) static uint8_t USBFS_RX_Buf[USBFS_RX_BUF_LEN]; __attribute__((aligned(4))) static uint8_t USBFS_TX_Buf[USBFS_TX_BUF_LEN]; #define USB_XFER_TIMEOUT_MILLIS 100 -#define USB_INTERRUPT_XFER_TIMEOUT_MILLIS 1 +// #define USB_INTERRUPT_XFER_TIMEOUT_MILLIS 1 -#define PANIC(...) do { printf("\r\nPANIC: " __VA_ARGS__); while (true) { } } while (false) +#define PANIC(...) do { printf("%s() L%d: ", __func__, __LINE__); printf("\r\n[PANIC] " __VA_ARGS__); while (true) { } } while (false) #define LOG_CH32_USBFSH(...) TU_LOG3(__VA_ARGS__) // Busywait for delay microseconds/nanoseconds -static void loopdelay(uint32_t count) -{ - volatile uint32_t c = count / 3; - if (c == 0) { return; } - // while (c-- != 0); - asm volatile( - "1: \n" // loop label - " addi %0, %0, -1 \n" // c-- - " bne %0, zero, 1b \n" // if (c != 0) goto loop - : "+r"(c) // c is input/output operand - ); -} +// static void loopdelay(uint32_t count) +// { +// volatile uint32_t c = count / 3; +// if (c == 0) { return; } +// // while (c-- != 0); +// asm volatile( +// "1: \n" // loop label +// " addi %0, %0, -1 \n" // c-- +// " bne %0, zero, 1b \n" // if (c != 0) goto loop +// : "+r"(c) // c is input/output operand +// ); +// } // Endpoint status @@ -94,10 +94,10 @@ typedef struct usb_current_xfer_st { uint8_t dev_addr; uint8_t ep_addr; // Xfer started time in millis for timeout - uint32_t current_xfer_packet_start_millis; - uint8_t* current_xfer_buffer; - uint16_t current_xfer_bufferlen; - uint16_t current_xfer_xferred_len; + uint32_t start_ms; + uint8_t* buffer; + uint16_t bufferlen; + uint16_t xferred_len; } usb_current_xfer_t; static volatile usb_current_xfer_t usb_current_xfer_info = {}; @@ -184,6 +184,8 @@ static void remove_edpt_record_for_device(uint8_t dev_addr) // } +static bool interrupt_enabled = false; + /** Enable or disable USBFS Host function */ static void hardware_init_host(bool enabled) { @@ -201,7 +203,8 @@ static void hardware_init_host(bool enabled) else { // Enable USB Host features - NVIC_DisableIRQ(USBFS_IRQn); + // NVIC_DisableIRQ(USBFS_IRQn); + hcd_int_disable(0); USBOTG_H_FS->BASE_CTRL = USBFS_UC_HOST_MODE | USBFS_UC_INT_BUSY | USBFS_UC_DMA_EN; USBOTG_H_FS->HOST_EP_MOD = USBFS_UH_EP_TX_EN | USBFS_UH_EP_RX_EN; USBOTG_H_FS->HOST_RX_DMA = (uint32_t)USBFS_RX_Buf; @@ -217,10 +220,10 @@ static bool hardware_start_xfer(uint8_t pid, uint8_t ep_addr, uint8_t data_toggl pid == USB_PID_IN ? "IN" : pid == USB_PID_OUT ? "OUT" : pid == USB_PID_SETUP ? "SETUP" : "(other)", pid, ep_addr, data_toggle); - if (pid == USB_PID_IN) - { // FIXME: long delay needed (at release build) about 30msec - // loopdelay(SystemCoreClock / 1000 * 30); - } + // if (pid == USB_PID_IN) + // { // FIXME: long delay needed (at release build) about 30msec + // loopdelay(SystemCoreClock / 1000 * 30); + // } uint8_t pid_edpt = (pid << 4) | (tu_edpt_number(ep_addr) & 0x0f); USBOTG_H_FS->HOST_TX_CTRL = (data_toggle != 0) ? USBFS_UH_T_TOG : 0; @@ -233,16 +236,16 @@ static bool hardware_start_xfer(uint8_t pid, uint8_t ep_addr, uint8_t data_toggl /** Set device address to communicate */ -static void update_device_address(uint8_t dev_addr) +static void hardware_update_device_address(uint8_t dev_addr) { // Keep the bit of GP_BIT. Other 7bits are actual device address. USBOTG_H_FS->DEV_ADDR = (USBOTG_H_FS->DEV_ADDR & USBFS_UDA_GP_BIT) | (dev_addr & USBFS_USB_ADDR_MASK); } /** Set port speed */ -static void update_port_speed(tusb_speed_t speed) +static void hardware_update_port_speed(tusb_speed_t speed) { - LOG_CH32_USBFSH("update_port_speed(%s)\r\n", speed == TUSB_SPEED_FULL ? "Full" : speed == TUSB_SPEED_LOW ? "Low" : "(invalid)"); + LOG_CH32_USBFSH("hardware_update_port_speed(%s)\r\n", speed == TUSB_SPEED_FULL ? "Full" : speed == TUSB_SPEED_LOW ? "Low" : "(invalid)"); switch (speed) { case TUSB_SPEED_LOW: USBOTG_H_FS->BASE_CTRL |= USBFS_UC_LOW_SPEED; @@ -255,10 +258,22 @@ static void update_port_speed(tusb_speed_t speed) USBOTG_H_FS->HOST_SETUP &= ~USBFS_UH_PRE_PID_EN; return; default: - PANIC("update_port_speed(%d)\r\n", speed); + PANIC("hardware_update_port_speed(%d)\r\n", speed); } } + +static void hardware_set_port_address_speed(uint8_t dev_addr) { + hardware_update_device_address(dev_addr); + tusb_speed_t rhport_speed = hcd_port_speed_get(0); + tusb_speed_t dev_speed = tuh_speed_get(dev_addr); + hardware_update_port_speed(dev_speed); + if (rhport_speed == TUSB_SPEED_FULL && dev_speed == TUSB_SPEED_LOW) { + USBOTG_H_FS->HOST_CTRL &= ~USBFS_UH_LOW_SPEED; + } +} + + static bool hardware_device_attached(void) { return USBOTG_H_FS->MIS_ST & USBFS_UMS_DEV_ATTACH; @@ -285,15 +300,30 @@ bool hcd_deinit(uint8_t rhport) return true; } + +static bool int_state_for_portreset = false; + void hcd_port_reset(uint8_t rhport) { (void)rhport; LOG_CH32_USBFSH("hcd_port_reset()\r\n"); - NVIC_DisableIRQ(USBFS_IRQn); - update_device_address( 0x00 ); + int_state_for_portreset = interrupt_enabled; + // NVIC_DisableIRQ(USBFS_IRQn); + hcd_int_disable(rhport); + hardware_update_device_address(0x00); + + // USBOTG_H_FS->HOST_SETUP = 0x00; USBOTG_H_FS->HOST_CTRL |= USBFS_UH_BUS_RESET; - osal_task_delay(15); + + return; +} + +void hcd_port_reset_end(uint8_t rhport) +{ + (void)rhport; + LOG_CH32_USBFSH("hcd_port_reset_end()\r\n"); + USBOTG_H_FS->HOST_CTRL &= ~USBFS_UH_BUS_RESET; osal_task_delay(2); @@ -301,23 +331,19 @@ void hcd_port_reset(uint8_t rhport) { if (hcd_port_speed_get(0) == TUSB_SPEED_LOW) { - update_port_speed(TUSB_SPEED_LOW); + hardware_update_port_speed(TUSB_SPEED_LOW); } } USBOTG_H_FS->HOST_CTRL |= USBFS_UH_PORT_EN; USBOTG_H_FS->HOST_SETUP |= USBFS_UH_SOF_EN; - return; -} - -void hcd_port_reset_end(uint8_t rhport) -{ - (void)rhport; - LOG_CH32_USBFSH("hcd_port_reset_end()\r\n"); // Suppress the attached event USBOTG_H_FS->INT_FG |= USBFS_UIF_DETECT; - NVIC_EnableIRQ(USBFS_IRQn); + + if (int_state_for_portreset) { + hcd_int_enable(rhport); + } return; } @@ -363,6 +389,7 @@ void hcd_int_enable(uint8_t rhport) { (void)rhport; NVIC_EnableIRQ(USBFS_IRQn); + interrupt_enabled = true; return; } @@ -371,6 +398,7 @@ void hcd_int_disable(uint8_t rhport) { (void)rhport; NVIC_DisableIRQ(USBFS_IRQn); + interrupt_enabled = false; return; } @@ -437,25 +465,25 @@ void hcd_int_handler(uint8_t rhport, bool in_isr) case USB_PID_OUT: { uint16_t tx_len = USBOTG_H_FS->HOST_TX_LEN; - usb_current_xfer_info.current_xfer_bufferlen -= tx_len; - usb_current_xfer_info.current_xfer_xferred_len += tx_len; - if (usb_current_xfer_info.current_xfer_bufferlen == 0) + usb_current_xfer_info.bufferlen -= tx_len; + usb_current_xfer_info.xferred_len += tx_len; + if (usb_current_xfer_info.bufferlen == 0) { - LOG_CH32_USBFSH("USB_PID_%s completed %d bytes\r\n", request_pid == USB_PID_OUT ? "OUT" : "SETUP", usb_current_xfer_info.current_xfer_xferred_len); + LOG_CH32_USBFSH("USB_PID_%s completed %d bytes\r\n", request_pid == USB_PID_OUT ? "OUT" : "SETUP", usb_current_xfer_info.xferred_len); usb_current_xfer_info.is_busy = false; - hcd_event_xfer_complete(dev_addr, ep_addr, usb_current_xfer_info.current_xfer_xferred_len, XFER_RESULT_SUCCESS, true); + hcd_event_xfer_complete(dev_addr, ep_addr, usb_current_xfer_info.xferred_len, XFER_RESULT_SUCCESS, true); return; } else { LOG_CH32_USBFSH("USB_PID_OUT continue...\r\n"); - usb_current_xfer_info.current_xfer_buffer += tx_len; + usb_current_xfer_info.buffer += tx_len; uint16_t copylen = USBFS_TX_BUF_LEN; - if (copylen > usb_current_xfer_info.current_xfer_bufferlen) + if (copylen > usb_current_xfer_info.bufferlen) { - copylen = usb_current_xfer_info.current_xfer_bufferlen; + copylen = usb_current_xfer_info.bufferlen; } - memcpy(USBFS_TX_Buf, usb_current_xfer_info.current_xfer_buffer, copylen); + memcpy(USBFS_TX_Buf, usb_current_xfer_info.buffer, copylen); hardware_start_xfer(USB_PID_OUT, ep_addr, edpt_info->data_toggle); return; } @@ -463,15 +491,15 @@ void hcd_int_handler(uint8_t rhport, bool in_isr) case USB_PID_IN: { uint16_t received_len = USBOTG_H_FS->RX_LEN; - usb_current_xfer_info.current_xfer_xferred_len += received_len; - uint16_t xferred_len = usb_current_xfer_info.current_xfer_xferred_len; + usb_current_xfer_info.xferred_len += received_len; + uint16_t xferred_len = usb_current_xfer_info.xferred_len; LOG_CH32_USBFSH("Read %d bytes\r\n", received_len); - // if (received_len > 0 && (usb_current_xfer_info.current_xfer_buffer == NULL || usb_current_xfer_info.current_xfer_bufferlen == 0)) { + // if (received_len > 0 && (usb_current_xfer_info.buffer == NULL || usb_current_xfer_info.bufferlen == 0)) { // PANIC("Data received but buffer not set\r\n"); // } - memcpy(usb_current_xfer_info.current_xfer_buffer, USBFS_RX_Buf, received_len); - usb_current_xfer_info.current_xfer_buffer += received_len; - if ((received_len < edpt_info->max_packet_size) || (xferred_len == usb_current_xfer_info.current_xfer_bufferlen)) + memcpy(usb_current_xfer_info.buffer, USBFS_RX_Buf, received_len); + usb_current_xfer_info.buffer += received_len; + if ((received_len < edpt_info->max_packet_size) || (xferred_len == usb_current_xfer_info.bufferlen)) { // USB device sent all data. LOG_CH32_USBFSH("USB_PID_IN completed\r\n"); @@ -506,8 +534,8 @@ void hcd_int_handler(uint8_t rhport, bool in_isr) else if (response_pid == USB_PID_NAK) { LOG_CH32_USBFSH("NAK reposense\r\n"); - uint32_t elapsed_time = board_millis() - usb_current_xfer_info.current_xfer_packet_start_millis; - if (edpt_info->xfer_type == TUSB_XFER_INTERRUPT && (elapsed_time > USB_INTERRUPT_XFER_TIMEOUT_MILLIS)) + uint32_t elapsed_time = board_millis() - usb_current_xfer_info.start_ms; + if (edpt_info->xfer_type == TUSB_XFER_INTERRUPT) { usb_current_xfer_info.is_busy = false; hcd_event_xfer_complete(dev_addr, ep_addr, 0, XFER_RESULT_SUCCESS, true); @@ -564,16 +592,11 @@ bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const TU_ASSERT(get_or_add_edpt_record(dev_addr, ep_addr, max_packet_size, xfer_type) != NULL, false); } - update_device_address(dev_addr); - if (dev_addr == 0x00 && ep_num == 0x00) - { - // It assumes first open for the device, so make the port enable - tusb_speed_t device_speed = hcd_port_speed_get(rhport); - update_port_speed(device_speed); USBOTG_H_FS->HOST_CTRL |= USBFS_UH_PORT_EN; USBOTG_H_FS->HOST_SETUP |= USBFS_UH_SOF_EN; - } + + hardware_set_port_address_speed(dev_addr); return true; } @@ -582,9 +605,10 @@ bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t * { (void)rhport; - while (usb_current_xfer_info.is_busy) { - osal_task_delay(1); - } + LOG_CH32_USBFSH("hcd_edpt_xfer(%d, 0x%02x, 0x%02x, ...)\r\n", rhport, dev_addr, ep_addr); + + while (usb_current_xfer_info.is_busy) { } + usb_current_xfer_info.is_busy = true; usb_edpt_t* edpt_info = get_edpt_record(dev_addr, ep_addr); @@ -593,16 +617,14 @@ bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t * PANIC("get_edpt_record() returned NULL in hcd_edpt_xfer()\r\n"); } - update_device_address(dev_addr); - tusb_speed_t device_speed = hcd_port_speed_get(rhport); - update_port_speed(device_speed); + hardware_set_port_address_speed(dev_addr); usb_current_xfer_info.dev_addr = dev_addr; usb_current_xfer_info.ep_addr = ep_addr; - usb_current_xfer_info.current_xfer_buffer = buffer; - usb_current_xfer_info.current_xfer_bufferlen = buflen; - usb_current_xfer_info.current_xfer_packet_start_millis = board_millis(); - usb_current_xfer_info.current_xfer_xferred_len = 0; + usb_current_xfer_info.buffer = buffer; + usb_current_xfer_info.bufferlen = buflen; + usb_current_xfer_info.start_ms = board_millis(); + usb_current_xfer_info.xferred_len = 0; if (tu_edpt_dir(ep_addr) == TUSB_DIR_IN) { @@ -628,7 +650,6 @@ bool hcd_edpt_abort_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr) (void) rhport; (void) dev_addr; (void) ep_addr; - LOG_CH32_USBFSH("hcd_edpt_abort_xfer(%d, 0x%02x, 0x%02x)\r\n", rhport, dev_addr, ep_addr); return false; } @@ -637,19 +658,13 @@ bool hcd_setup_send(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet { (void)rhport; - if (usb_current_xfer_info.is_busy) { - osal_task_delay(1); - } + while (usb_current_xfer_info.is_busy) { } + usb_current_xfer_info.is_busy = true; LOG_CH32_USBFSH("hcd_setup_send(rhport=%d, dev_addr=0x%02x, %p)\r\n", rhport, dev_addr, setup_packet); - // loopdelay(SystemCoreClock / 1000000 * 100); - loopdelay(1); - - update_device_address(dev_addr); - tusb_speed_t device_speed = hcd_port_speed_get(rhport); - update_port_speed(device_speed); + hardware_set_port_address_speed(dev_addr); usb_edpt_t* edpt_info_tx = get_edpt_record(dev_addr, 0x00); usb_edpt_t* edpt_info_rx = get_edpt_record(dev_addr, 0x80); @@ -667,10 +682,10 @@ bool hcd_setup_send(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet uint8_t ep_addr = (setup_packet[0] & 0x80) ? 0x80 : 0x00; usb_current_xfer_info.dev_addr = dev_addr; usb_current_xfer_info.ep_addr = ep_addr; - usb_current_xfer_info.current_xfer_packet_start_millis = board_millis(); - usb_current_xfer_info.current_xfer_buffer = USBFS_TX_Buf; - usb_current_xfer_info.current_xfer_bufferlen = setup_packet_datalen; - usb_current_xfer_info.current_xfer_xferred_len = 0; + usb_current_xfer_info.start_ms = board_millis(); + usb_current_xfer_info.buffer = USBFS_TX_Buf; + usb_current_xfer_info.bufferlen = setup_packet_datalen; + usb_current_xfer_info.xferred_len = 0; hardware_start_xfer(USB_PID_SETUP, 0, 0); @@ -690,6 +705,7 @@ bool hcd_edpt_clear_stall(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr) memcpy(USBFS_TX_Buf, setup_request_clear_stall, 8); USBOTG_H_FS->HOST_TX_LEN = 8; + bool prev_int_state = interrupt_enabled; hcd_int_disable(0); USBOTG_H_FS->HOST_EP_PID = (USB_PID_SETUP << 4) | 0x00; @@ -700,7 +716,9 @@ bool hcd_edpt_clear_stall(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr) (void)response_pid; LOG_CH32_USBFSH("hcd_edpt_clear_stall() response pid=0x%02x\r\n", response_pid); + if (prev_int_state) { hcd_int_enable(0); + } return true; } |