diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/analog/max3421/hcd_max3421.c | 180 |
1 files changed, 126 insertions, 54 deletions
diff --git a/src/portable/analog/max3421/hcd_max3421.c b/src/portable/analog/max3421/hcd_max3421.c index edcb6ca6f..467d7410a 100644 --- a/src/portable/analog/max3421/hcd_max3421.c +++ b/src/portable/analog/max3421/hcd_max3421.c @@ -156,7 +156,7 @@ enum { }; enum { - DEFAULT_HIEN = HIRQ_CONDET_IRQ | HIRQ_FRAME_IRQ | HIRQ_HXFRDN_IRQ + DEFAULT_HIEN = HIRQ_CONDET_IRQ | HIRQ_FRAME_IRQ | HIRQ_HXFRDN_IRQ | HIRQ_RCVDAV_IRQ }; //--------------------------------------------------------------------+ @@ -178,6 +178,8 @@ typedef struct { // cached register uint8_t sndbc; + uint8_t hirq; + uint8_t hien; uint8_t mode; uint8_t peraddr; uint8_t hxfr; @@ -203,60 +205,86 @@ bool tuh_max3421_spi_xfer_api(uint8_t rhport, uint8_t const * tx_buf, size_t tx_ //--------------------------------------------------------------------+ static void fifo_write(uint8_t reg, uint8_t const * buffer, uint16_t len) { + uint8_t const rhport = 0; + uint8_t hirq; reg |= CMDBYTE_WRITE; - tuh_max3421_spi_cs_api(0, true); + tuh_max3421_spi_cs_api(rhport, true); - tuh_max3421_spi_xfer_api(0, ®, 1, NULL, 0); - tuh_max3421_spi_xfer_api(0, buffer, len, NULL, 0); + tuh_max3421_spi_xfer_api(rhport, ®, 1, &hirq, 1); + _hcd_data.hirq = hirq; + tuh_max3421_spi_xfer_api(rhport, buffer, len, NULL, 0); - tuh_max3421_spi_cs_api(0, false); + tuh_max3421_spi_cs_api(rhport, false); + +} + +static void fifo_read(uint8_t * buffer, uint16_t len) { + uint8_t const rhport = 0; + uint8_t hirq; + uint8_t const reg = RCVVFIFO_ADDR; + + tuh_max3421_spi_cs_api(rhport, true); + + tuh_max3421_spi_xfer_api(rhport, ®, 1, &hirq, 0); + _hcd_data.hirq = hirq; + tuh_max3421_spi_xfer_api(rhport, NULL, 0, buffer, len); + + tuh_max3421_spi_cs_api(rhport, false); } -// return HIRQ register since we are in full-duplex mode -static uint8_t reg_write(uint8_t reg, uint8_t data) { +static void reg_write(uint8_t reg, uint8_t data) { + uint8_t const rhport = 0; uint8_t tx_buf[2] = {reg | CMDBYTE_WRITE, data}; uint8_t rx_buf[2] = {0, 0}; - tuh_max3421_spi_cs_api(0, true); - tuh_max3421_spi_xfer_api(0, tx_buf, 2, rx_buf, 2); - tuh_max3421_spi_cs_api(0, false); + tuh_max3421_spi_cs_api(rhport, true); + tuh_max3421_spi_xfer_api(rhport, tx_buf, 2, rx_buf, 2); + tuh_max3421_spi_cs_api(rhport, false); - TU_LOG2("HIRQ: %02X\r\n", rx_buf[0]); - return rx_buf[0]; + // HIRQ register since we are in full-duplex mode + _hcd_data.hirq = rx_buf[0]; + TU_LOG3_HEX(_hcd_data.hirq); } static uint8_t reg_read(uint8_t reg) { + uint8_t const rhport = 0; uint8_t tx_buf[2] = {reg, 0}; uint8_t rx_buf[2] = {0, 0}; - tuh_max3421_spi_cs_api(0, true); - bool ret = tuh_max3421_spi_xfer_api(0, tx_buf, 2, rx_buf, 2); - tuh_max3421_spi_cs_api(0, false); + tuh_max3421_spi_cs_api(rhport, true); + bool ret = tuh_max3421_spi_xfer_api(rhport, tx_buf, 2, rx_buf, 2); + tuh_max3421_spi_cs_api(rhport, false); + _hcd_data.hirq = rx_buf[0]; return ret ? rx_buf[1] : 0; } -static inline uint8_t mode_write(uint8_t data) { +static inline void hien_write(uint8_t data) { + _hcd_data.hien = data; + reg_write(HIEN_ADDR, data); +} + +static inline void mode_write(uint8_t data) { _hcd_data.mode = data; - return reg_write(MODE_ADDR, data); + reg_write(MODE_ADDR, data); } -static inline uint8_t peraddr_write(uint8_t data) { - if ( _hcd_data.peraddr == data ) return 0; // no need to change address +static inline void peraddr_write(uint8_t data) { + if ( _hcd_data.peraddr == data ) return; // no need to change address _hcd_data.peraddr = data; - return reg_write(PERADDR_ADDR, data); + reg_write(PERADDR_ADDR, data); } -static inline uint8_t hxfr_write(uint8_t data) { +static inline void hxfr_write(uint8_t data) { _hcd_data.hxfr = data; - return reg_write(HXFR_ADDR, data); + reg_write(HXFR_ADDR, data); } -static inline uint8_t sndbc_write(uint8_t data) { +static inline void sndbc_write(uint8_t data) { _hcd_data.sndbc = data; - return reg_write(SNDBC_ADDR, data); + reg_write(SNDBC_ADDR, data); } @@ -335,16 +363,16 @@ bool hcd_init(uint8_t rhport) { // Mode: Host and DP/DM pull down mode_write(MODE_DPPULLDN | MODE_DMPULLDN | MODE_HOST); - // bus reset, this will trigger CONDET IRQ if device is already connected - reg_write(HCTL_ADDR, HCTL_BUSRST); + // frame reset & bus reset, this will trigger CONDET IRQ if device is already connected + reg_write(HCTL_ADDR, HCTL_BUSRST | HCTL_FRMRST); // clear all previously pending IRQ reg_write(HIRQ_ADDR, 0xff); _hcd_data.inited = true; - // Enable Connection IRQ - reg_write(HIEN_ADDR, DEFAULT_HIEN); + // Enable IRQ + hien_write(DEFAULT_HIEN); // Enable Interrupt pin reg_write(CPUCTL_ADDR, CPUCTL_IE); @@ -383,8 +411,8 @@ bool hcd_port_connect_status(uint8_t rhport) { void hcd_port_reset(uint8_t rhport) { (void) rhport; // Bus reset will also trigger CONDET IRQ, disable it - uint8_t hien = DEFAULT_HIEN & ~HIRQ_CONDET_IRQ; - reg_write(HIEN_ADDR, hien); + uint8_t const hien = DEFAULT_HIEN & ~HIRQ_CONDET_IRQ; + hien_write(hien); reg_write(HCTL_ADDR, HCTL_BUSRST); } @@ -396,7 +424,7 @@ void hcd_port_reset_end(uint8_t rhport) { // Bus reset will also trigger CONDET IRQ, clear and re-enable it after reset reg_write(HIRQ_ADDR, HIRQ_CONDET_IRQ); - reg_write(HIEN_ADDR, DEFAULT_HIEN); + hien_write(DEFAULT_HIEN); } // Get port link speed @@ -426,6 +454,10 @@ bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const _hcd_data.ep[ep_num][ep_dir].packet_size = tu_edpt_packet_size(ep_desc); + if (ep_desc->bEndpointAddress == 0) { + _hcd_data.ep[ep_num][1].packet_size = tu_edpt_packet_size(ep_desc); + } + return true; } @@ -442,15 +474,18 @@ bool hcd_edpt_xfer(uint8_t rhport, uint8_t daddr, uint8_t ep_addr, uint8_t * buf ep->total_len = buflen; ep->xferred_len = 0; - uint8_t hirq = peraddr_write(daddr); + peraddr_write(daddr); uint8_t hctl = 0; uint8_t hxfr = ep_num; if ( ep_num == 0 ) { ep->data_toggle = 1; if ( buffer == NULL || buflen == 0 ) { - // ZLP for ACK stage + // ZLP for ACK stage, use HS hxfr |= HXFR_HS; + hxfr |= (ep_dir ? 0 : HXFR_OUT_NIN); + hxfr_write(hxfr); + return true; } } else if ( ep->xfer_type == TUSB_XFER_ISOCHRONOUS ) { hxfr |= HXFR_ISO; @@ -458,7 +493,7 @@ bool hcd_edpt_xfer(uint8_t rhport, uint8_t daddr, uint8_t ep_addr, uint8_t * buf if ( 0 == ep_dir ) { // Page 12: Programming BULK-OUT Transfers - TU_ASSERT(hirq & HIRQ_RCVDAV_IRQ); + TU_ASSERT(_hcd_data.hirq & HIRQ_SNDBAV_IRQ); uint8_t const xact_len = (uint8_t) tu_min16(buflen, ep->packet_size); fifo_write(SNDFIFO_ADDR, buffer, xact_len); @@ -516,7 +551,7 @@ static void handle_xfer_done(uint8_t rhport) { uint8_t const hrsl = reg_read(HRSL_ADDR); uint8_t const result = hrsl & HRSL_RESULT_MASK; - uint8_t xfer_result; + xfer_result_t xfer_result; TU_LOG3("HRSL: %02X\r\n", hrsl); switch(result) { @@ -537,18 +572,21 @@ static void handle_xfer_done(uint8_t rhport) { break; } - uint8_t ep_dir = 0; uint8_t ep_num = _hcd_data.hxfr & HXFR_EPNUM_MASK; uint8_t const xfer_type = _hcd_data.hxfr & 0xf0; - hcd_ep_t * ep; - if ( (xfer_type & HXFR_SETUP) || (xfer_type & HXFR_OUT_NIN) ) { // SETUP or OUT transfer - ep_dir = 0; - ep = &_hcd_data.ep[ep_num][ep_dir]; + hcd_ep_t *ep = &_hcd_data.ep[ep_num][0]; + uint8_t xact_len; + if (xfer_type & HXFR_SETUP) { + xact_len = 8; + } else if ( xfer_type & HXFR_HS ) { + xact_len = 0; + } else { + xact_len = _hcd_data.sndbc; + } - uint8_t const xact_len = (xfer_type & HXFR_SETUP) ? 8 : _hcd_data.sndbc; ep->xferred_len += xact_len; if ( xact_len < ep->packet_size || ep->xferred_len >= ep->total_len ) { @@ -558,10 +596,27 @@ static void handle_xfer_done(uint8_t rhport) { } } else { // IN transfer - ep_dir = 1; - ep = &_hcd_data.ep[ep_num][ep_dir]; - uint8_t const xact_len = reg_read(RCVBC_ADDR); - ep->xferred_len += xact_len; + hcd_ep_t *ep = &_hcd_data.ep[ep_num][1]; + uint8_t xact_len; + + if ( xfer_type & HXFR_HS ) { + xact_len = 0; + } else { + // RCVDAV_IRQ can trigger 2 times (dual buffered) + while ( _hcd_data.hirq & HIRQ_RCVDAV_IRQ ) { + uint8_t rcvbc = reg_read(RCVBC_ADDR); + xact_len = (uint8_t) tu_min16(rcvbc, ep->total_len - ep->xferred_len); + if ( xact_len ) { + fifo_read(ep->buf, xact_len); + ep->buf += xact_len; + ep->xferred_len += xact_len; + } + + // ack RCVDVAV IRQ + reg_write(HIRQ_ADDR, HIRQ_RCVDAV_IRQ); + _hcd_data.hirq = reg_read(HIRQ_ADDR); + } + } // short packet or all bytes transferred if ( xact_len < ep->packet_size || ep->xferred_len >= ep->total_len ) { @@ -572,13 +627,35 @@ static void handle_xfer_done(uint8_t rhport) { } } +#if CFG_TUSB_DEBUG >= 3 +void print_hirq(uint8_t hirq) { + TU_LOG3_HEX(hirq); + + if (hirq & HIRQ_HXFRDN_IRQ) TU_LOG3(" HXFRDN"); + if (hirq & HIRQ_FRAME_IRQ) TU_LOG3(" FRAME"); + if (hirq & HIRQ_CONDET_IRQ) TU_LOG3(" CONDET"); + if (hirq & HIRQ_SUSDN_IRQ) TU_LOG3(" SUSDN"); + if (hirq & HIRQ_SNDBAV_IRQ) TU_LOG3(" SNDBAV"); + if (hirq & HIRQ_RCVDAV_IRQ) TU_LOG3(" RCVDAV"); + if (hirq & HIRQ_RWU_IRQ) TU_LOG3(" RWU"); + if (hirq & HIRQ_BUSEVENT_IRQ) TU_LOG3(" BUSEVENT"); + + TU_LOG3("\r\n"); +} + +#else + #define print_hirq(hirq) +#endif + // Interrupt Handler void hcd_int_handler(uint8_t rhport) { // not initialized, do nothing if ( !_hcd_data.inited ) return; - uint8_t hirq = reg_read(HIRQ_ADDR); - TU_LOG3_HEX(hirq); + uint8_t hirq = reg_read(HIRQ_ADDR) & _hcd_data.hien; + if (!hirq) return; + + print_hirq(hirq); if (hirq & HIRQ_FRAME_IRQ) { _hcd_data.frame_count++; @@ -598,13 +675,8 @@ void hcd_int_handler(uint8_t rhport) { handle_xfer_done(rhport); } - if ( hirq & HIRQ_RCVDAV_IRQ ) { - TU_LOG3("RCVDAV\r\n"); - TU_LOG3_INT(reg_read(RCVBC_ADDR)); - } - - // clear all interrupt execept SNDBAV_IRQ - hirq &= ~HIRQ_SNDBAV_IRQ; + // clear all interrupt except SNDBAV_IRQ and RCVDAV_IRQ must be clear after pulling data from FIFO + hirq &= ~ (HIRQ_SNDBAV_IRQ | HIRQ_RCVDAV_IRQ); if ( hirq ) { reg_write(HIRQ_ADDR, hirq); } |