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move protocol message to stack, disable battery in PWR's CR3

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there is still issue with CC1/CC2 pull down resistor and vstate is not
correct.
This commit is contained in:
hathach 2023-06-09 18:15:28 +07:00
parent 8181d470e5
commit 912802456b
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GPG Key ID: F5D50C6D51D17CBA
6 changed files with 162 additions and 75 deletions
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8
hw/bsp/stm32g4/family.c
View File

@ -145,13 +145,13 @@ void board_init(void)
#if 1
// USB PD
// Default CC1/CC2 is PB4/PB6
/* PWR register access (for disabling dead battery feature) */
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_PWR);
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_CRC);
// Enable pwr for disabling dead battery feature in Power's CR3
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_RCC_CRC_CLK_ENABLE();
__HAL_RCC_UCPD1_CLK_ENABLE();
// Enable DMA clock
// Enable DMA for USB PD
__HAL_RCC_DMAMUX1_CLK_ENABLE();
__HAL_RCC_DMA1_CLK_ENABLE();
#endif

1
src/device/dcd.h
View File

@ -189,6 +189,7 @@ TU_ATTR_WEAK bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t l
// Configure and enable an ISO endpoint according to descriptor
TU_ATTR_WEAK bool dcd_edpt_iso_activate(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc);
//--------------------------------------------------------------------+
// Event API (implemented by stack)
//--------------------------------------------------------------------+

113
src/portable/st/typec/typec_stm32.c
View File

@ -31,7 +31,7 @@
#if CFG_TUSB_MCU == OPT_MCU_STM32G4
#include "stm32g4xx.h"
#include "stm32g4xx_ll_dma.h" // for UCLP REQID
#include "stm32g4xx_ll_dma.h" // for UCPD REQID
#else
#error "Unsupported STM32 family"
#endif
@ -62,9 +62,17 @@ enum {
#define PHY_ORDERED_SET_SOP_PP_DEBUG (PHY_SYNC1 | (PHY_RST2<<5u) | (PHY_SYNC3<<10u) | (PHY_SYNC2<<15u)) // SOP'' Debug Ordered set coding
static uint8_t rx_buf[262] TU_ATTR_ALIGNED(4);
static uint8_t tx_buf[262] TU_ATTR_ALIGNED(4);
static uint32_t tx_index;
static uint8_t const* _rx_buf;
static tusb_pd_header_t _good_crc = {
.msg_type = TUSB_PD_CTRL_GOOD_CRC,
.data_role = 0, // UFP
.specs_rev = TUSB_PD_REV20,
.power_role = 0, // Sink
.msg_id = 0,
.n_data_obj = 0,
.extended = 0
};
// address of DMA channel rx, tx for each port
#define CFG_TUC_STM32_DMA { { DMA1_Channel1_BASE, DMA1_Channel2_BASE } }
@ -73,10 +81,10 @@ static uint32_t tx_index;
// DMA
//--------------------------------------------------------------------+
static const uint32_t dma_addr_arr[TUP_TYPEC_RHPORTS_NUM][2] = CFG_TUC_STM32_DMA;
static const uint32_t _dma_addr_arr[TUP_TYPEC_RHPORTS_NUM][2] = CFG_TUC_STM32_DMA;
TU_ATTR_ALWAYS_INLINE static inline uint32_t dma_get_addr(uint8_t rhport, bool is_rx) {
return dma_addr_arr[rhport][is_rx ? 0 : 1];
return _dma_addr_arr[rhport][is_rx ? 0 : 1];
}
static void dma_init(uint8_t rhport, bool is_rx) {
@ -133,10 +141,6 @@ TU_ATTR_ALWAYS_INLINE static inline void dma_stop(uint8_t rhport, bool is_rx) {
dma_ch->CCR &= ~DMA_CCR_EN;
}
TU_ATTR_ALWAYS_INLINE static inline void dma_rx_start(uint8_t rhport) {
dma_start(rhport, true, rx_buf, sizeof(rx_buf));
}
TU_ATTR_ALWAYS_INLINE static inline void dma_tx_start(uint8_t rhport, void const* buf, uint16_t len) {
UCPD1->TX_ORDSET = PHY_ORDERED_SET_SOP;
UCPD1->TX_PAYSZ = len;
@ -147,7 +151,6 @@ TU_ATTR_ALWAYS_INLINE static inline void dma_tx_start(uint8_t rhport, void const
//
//--------------------------------------------------------------------+
bool tcd_init(uint8_t rhport, tusb_typec_port_type_t port_type) {
(void) rhport;
@ -155,27 +158,30 @@ bool tcd_init(uint8_t rhport, tusb_typec_port_type_t port_type) {
dma_init(rhport, true);
dma_init(rhport, false);
// Initialization phase: CFG1
// Initialization phase: CFG1, detect all SOPs
UCPD1->CFG1 = (0x0d << UCPD_CFG1_HBITCLKDIV_Pos) | (0x10 << UCPD_CFG1_IFRGAP_Pos) | (0x07 << UCPD_CFG1_TRANSWIN_Pos) |
(0x01 << UCPD_CFG1_PSC_UCPDCLK_Pos) | (0x1f << UCPD_CFG1_RXORDSETEN_Pos);
UCPD1->CFG1 |= UCPD_CFG1_UCPDEN;
// General programming sequence (with UCPD configured then enabled)
if (port_type == TUSB_TYPEC_PORT_SNK) {
// Enable both CC Phy
UCPD1->CR = (0x01 << UCPD_CR_ANAMODE_Pos) | UCPD_CR_CCENABLE_0 | UCPD_CR_CCENABLE_1;
// Set analog mode enable both CC Phy
UCPD1->CR = (0x01 << UCPD_CR_ANAMODE_Pos) | (UCPD_CR_CCENABLE_0 | UCPD_CR_CCENABLE_1);
// Read Voltage State on CC1 & CC2 fore initial state
uint32_t vstate_cc[2];
vstate_cc[0] = (UCPD1->SR >> UCPD_SR_TYPEC_VSTATE_CC1_Pos) & 0x03;
vstate_cc[1] = (UCPD1->SR >> UCPD_SR_TYPEC_VSTATE_CC2_Pos) & 0x03;
uint32_t v_cc[2];
v_cc[0] = (UCPD1->SR >> UCPD_SR_TYPEC_VSTATE_CC1_Pos) & 0x03;
v_cc[1] = (UCPD1->SR >> UCPD_SR_TYPEC_VSTATE_CC2_Pos) & 0x03;
TU_LOG1("Initial VState CC1 = %u, CC2 = %u\r\n", vstate_cc[0], vstate_cc[1]);
TU_LOG1("Initial VState CC1 = %u, CC2 = %u\r\n", v_cc[0], v_cc[1]);
// Enable CC1 & CC2 Interrupt
UCPD1->IMR = UCPD_IMR_TYPECEVT1IE | UCPD_IMR_TYPECEVT2IE;
}
// Disable dead battery in PWR's CR3
PWR->CR3 |= PWR_CR3_UCPD_DBDIS;
return true;
}
@ -192,9 +198,8 @@ void tcd_int_disable(uint8_t rhport) {
}
bool tcd_rx_start(uint8_t rhport, uint8_t* buffer, uint16_t total_bytes) {
(void) rhport;
(void) buffer;
(void) total_bytes;
_rx_buf = buffer;
dma_start(rhport, true, buffer, total_bytes);
return true;
}
@ -212,27 +217,28 @@ void tcd_int_handler(uint8_t rhport) {
sr &= UCPD1->IMR;
if (sr & (UCPD_SR_TYPECEVT1 | UCPD_SR_TYPECEVT2)) {
uint32_t vstate_cc[2];
vstate_cc[0] = (UCPD1->SR >> UCPD_SR_TYPEC_VSTATE_CC1_Pos) & 0x03;
vstate_cc[1] = (UCPD1->SR >> UCPD_SR_TYPEC_VSTATE_CC2_Pos) & 0x03;
uint32_t v_cc[2];
v_cc[0] = (UCPD1->SR >> UCPD_SR_TYPEC_VSTATE_CC1_Pos) & 0x03;
v_cc[1] = (UCPD1->SR >> UCPD_SR_TYPEC_VSTATE_CC2_Pos) & 0x03;
TU_LOG1("VState CC1 = %u, CC2 = %u\n", vstate_cc[0], vstate_cc[1]);
TU_LOG3("VState CC1 = %u, CC2 = %u\n", v_cc[0], v_cc[1]);
uint32_t cr = UCPD1->CR;
// TODO only support SNK for now, required highest voltage for now
// Enable PHY on correct CC and disable Rd on other CC
if ((sr & UCPD_SR_TYPECEVT1) && (vstate_cc[0] == 3)) {
TU_LOG1("Attach CC1\n");
// Enable PHY on active CC and disable Rd on other CC
// FIXME somehow CC2 is vstate is not correct, always 1 even not attached.
// on DPOW1 board, it is connected to PA10 (USBPD_DBCC2), we probably miss something.
if ((sr & UCPD_SR_TYPECEVT1) && (v_cc[0] == 3)) {
TU_LOG3("Attach CC1\n");
cr &= ~(UCPD_CR_PHYCCSEL | UCPD_CR_CCENABLE);
cr |= UCPD_CR_PHYRXEN | UCPD_CR_CCENABLE_0;
} else if ((sr & UCPD_SR_TYPECEVT2) && (vstate_cc[1] == 3)) {
TU_LOG1("Attach CC2\n");
} else if ((sr & UCPD_SR_TYPECEVT2) && (v_cc[1] == 3)) {
TU_LOG3("Attach CC2\n");
cr &= ~UCPD_CR_CCENABLE;
cr |= (UCPD_CR_PHYCCSEL | UCPD_CR_PHYRXEN | UCPD_CR_CCENABLE_1);
} else {
TU_LOG1("Detach\n");
TU_LOG3("Detach\n");
cr &= ~UCPD_CR_PHYRXEN;
cr |= UCPD_CR_CCENABLE_0 | UCPD_CR_CCENABLE_1;
}
@ -241,14 +247,15 @@ void tcd_int_handler(uint8_t rhport) {
// Attached
UCPD1->IMR |= IMR_ATTACHED;
UCPD1->CFG1 |= UCPD_CFG1_RXDMAEN | UCPD_CFG1_TXDMAEN;
dma_rx_start(rhport);
}else {
// Detached
UCPD1->CFG1 &= ~(UCPD_CFG1_RXDMAEN | UCPD_CFG1_TXDMAEN);
UCPD1->IMR &= ~IMR_ATTACHED;
}
// notify stack
tcd_event_cc_changed(rhport, v_cc[0], v_cc[1], true);
UCPD1->CR = cr;
// ack
@ -258,6 +265,7 @@ void tcd_int_handler(uint8_t rhport) {
//------------- RX -------------//
if (sr & UCPD_SR_RXORDDET) {
// SOP: Start of Packet.
TU_LOG3("SOP\n");
// UCPD1->RX_ORDSET & UCPD_RX_ORDSET_RXORDSET_Msk;
// ack
@ -266,48 +274,39 @@ void tcd_int_handler(uint8_t rhport) {
// Received full message
if (sr & UCPD_SR_RXMSGEND) {
TU_LOG3("RX MSG END\n");
dma_stop(rhport, true);
// Skip if CRC failed
uint8_t result;
if (!(sr & UCPD_SR_RXERR)) {
uint32_t payload_size = UCPD1->RX_PAYSZ;
// TU_LOG1("RXMSGEND: payload_size = %u, rx count = %u\n", payload_size, pd_rx_count);
tusb_pd_header_t const* rx_header = (tusb_pd_header_t const*) rx_buf;
(*(tusb_pd_header_t*) tx_buf) = (tusb_pd_header_t) {
.msg_type = TUSB_PD_CTRL_GOOD_CRC,
.data_role = 0, // UFP
.specs_rev = TUSB_PD_REV20,
.power_role = 0, // Sink
.msg_id = rx_header->msg_id,
.n_data_obj = 0,
.extended = 0
};
// response with good crc
dma_tx_start(rhport, tx_buf, 2);
_good_crc.msg_id = ((tusb_pd_header_t const*) _rx_buf)->msg_id;
dma_tx_start(rhport, &_good_crc, 2);
UCPD1->CR |= UCPD_CR_TXSEND;
// notify stack
result = XFER_RESULT_SUCCESS;
}else {
// CRC failed
result = XFER_RESULT_FAILED;
}
// prepare next receive
dma_rx_start(rhport);
// notify stack
tcd_event_rx_complete(rhport, UCPD1->RX_PAYSZ, result, true);
// ack
UCPD1->ICR = UCPD_ICR_RXMSGENDCF;
}
if (sr & UCPD_SR_RXOVR) {
TU_LOG1("RXOVR\n");
TU_LOG3("RXOVR\n");
// ack
UCPD1->ICR = UCPD_ICR_RXOVRCF;
}
//------------- TX -------------//
if (sr & UCPD_SR_TXMSGSENT) {
TU_LOG3("TX MSG SENT\n");
// all byte sent
dma_stop(rhport, false);
@ -316,7 +315,7 @@ void tcd_int_handler(uint8_t rhport) {
}
if (sr & (UCPD_SR_TXMSGDISC | UCPD_SR_TXMSGABT | UCPD_SR_TXUND)) {
TU_LOG1("TX Error\n");
TU_LOG3("TX Error\n");
dma_stop(rhport, false);
UCPD1->ICR = UCPD_SR_TXMSGDISC | UCPD_SR_TXMSGABT | UCPD_SR_TXUND;
}

52
src/typec/tcd.h
View File

@ -38,10 +38,28 @@ extern "C" {
//--------------------------------------------------------------------+
//
//--------------------------------------------------------------------+
enum {
TCD_EVENT_INVALID = 0,
TCD_EVENT_CC_CHANGED,
TCD_EVENT_RX_COMPLETE,
};
typedef struct {
uint8_t rhport;
uint8_t event_id;
union {
struct {
uint8_t cc_state[2];
} cc_changed;
struct {
uint16_t xferred_bytes;
uint8_t result;
} rx_complete;
};
} tcd_event_t;;
@ -68,4 +86,38 @@ void tcd_int_handler(uint8_t rhport);
bool tcd_rx_start(uint8_t rhport, uint8_t* buffer, uint16_t total_bytes);
bool tcd_tx_start(uint8_t rhport, uint8_t const* buffer, uint16_t total_bytes);
//--------------------------------------------------------------------+
// Event API (implemented by stack)
// Called by TCD to notify stack
//--------------------------------------------------------------------+
extern void tcd_event_handler(tcd_event_t const * event, bool in_isr);
TU_ATTR_ALWAYS_INLINE static inline
void tcd_event_cc_changed(uint8_t rhport, uint8_t cc1, uint8_t cc2, bool in_isr) {
tcd_event_t event = {
.rhport = rhport,
.event_id = TCD_EVENT_CC_CHANGED,
.cc_changed = {
.cc_state = {cc1, cc2 }
}
};
tcd_event_handler(&event, in_isr);
}
TU_ATTR_ALWAYS_INLINE static inline
void tcd_event_rx_complete(uint8_t rhport, uint16_t xferred_bytes, uint8_t result, bool in_isr) {
tcd_event_t event = {
.rhport = rhport,
.event_id = TCD_EVENT_RX_COMPLETE,
.rx_complete = {
.xferred_bytes = xferred_bytes,
.result = result
}
};
tcd_event_handler(&event, in_isr);
}
#endif

61
src/typec/utcd.c
View File

@ -42,35 +42,38 @@
// Event queue
// utcd_int_set() is used as mutex in OS NONE config
void utcd_int_set(bool enabled);
OSAL_QUEUE_DEF(utcd_int_set, utcd_qdef, CFG_TUC_TASK_QUEUE_SZ, tcd_event_t);
tu_static osal_queue_t utcd_q;
OSAL_QUEUE_DEF(utcd_int_set, _utcd_qdef, CFG_TUC_TASK_QUEUE_SZ, tcd_event_t);
tu_static osal_queue_t _utcd_q;
// if stack is initialized
static bool utcd_inited = false;
static bool _utcd_inited = false;
// if port is initialized
static bool port_inited[TUP_TYPEC_RHPORTS_NUM];
static bool _port_inited[TUP_TYPEC_RHPORTS_NUM];
// Max possible PD size is 262 bytes
static uint8_t _rx_buf[262] TU_ATTR_ALIGNED(4);
//--------------------------------------------------------------------+
//
//--------------------------------------------------------------------+
bool tuc_inited(uint8_t rhport) {
return utcd_inited && port_inited[rhport];
return _utcd_inited && _port_inited[rhport];
}
bool tuc_init(uint8_t rhport, tusb_typec_port_type_t port_type) {
// Initialize stack
if (!utcd_inited) {
tu_memclr(port_inited, sizeof(port_inited));
if (!_utcd_inited) {
tu_memclr(_port_inited, sizeof(_port_inited));
utcd_q = osal_queue_create(&utcd_qdef);
TU_ASSERT(utcd_q != NULL);
_utcd_q = osal_queue_create(&_utcd_qdef);
TU_ASSERT(_utcd_q != NULL);
utcd_inited = true;
_utcd_inited = true;
}
// skip if port already initialized
if ( port_inited[rhport] ) {
if ( _port_inited[rhport] ) {
return true;
}
@ -79,10 +82,42 @@ bool tuc_init(uint8_t rhport, tusb_typec_port_type_t port_type) {
TU_ASSERT(tcd_init(rhport, port_type));
tcd_int_enable(rhport);
port_inited[rhport] = true;
_port_inited[rhport] = true;
return true;
}
//--------------------------------------------------------------------+
//
//--------------------------------------------------------------------+
//bool parse_message(uint8_t const * data, uint16_t len, pd_msg_t * msg) {
// // TODO
// (void) data;
// (void) len;
// (void) msg;
// return false;
//}
void tcd_event_handler(tcd_event_t const * event, bool in_isr) {
(void) in_isr;
switch(event->event_id) {
case TCD_EVENT_CC_CHANGED:
if (event->cc_changed.cc_state[0] || event->cc_changed.cc_state[1]) {
// Attach
tcd_rx_start(event->rhport, _rx_buf, sizeof(_rx_buf));
}else {
// Detach
}
break;
case TCD_EVENT_RX_COMPLETE:
// TODO process message here in ISR, move to thread later
// start new rx
tcd_rx_start(event->rhport, _rx_buf, sizeof(_rx_buf));
break;
}
}
//--------------------------------------------------------------------+
//
@ -90,7 +125,7 @@ bool tuc_init(uint8_t rhport, tusb_typec_port_type_t port_type) {
void utcd_int_set(bool enabled) {
// Disable all controllers since they shared the same event queue
for (uint8_t p = 0; p < TUP_TYPEC_RHPORTS_NUM; p++) {
if ( port_inited[p] ) {
if ( _port_inited[p] ) {
if (enabled) {
tcd_int_enable(p);
}else {

2
src/typec/utcd.h
View File

@ -38,7 +38,7 @@ extern "C" {
//--------------------------------------------------------------------+
#ifndef CFG_TUC_TASK_QUEUE_SZ
#define CFG_TUC_TASK_QUEUE_SZ 16
#define CFG_TUC_TASK_QUEUE_SZ 8
#endif