about to break things
Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
parent
167201228f
commit
c447457ffc
@ -497,7 +497,8 @@ int grainuumDataQueued(struct GrainuumUSB *usb);
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* @api
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*/
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void grainuumProcess(struct GrainuumUSB *usb,
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const uint8_t packet[12]);
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const uint8_t packet[12],
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uint32_t size);
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/**
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* @brief Initialize the Grainuum USB system.
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@ -31,55 +31,51 @@
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#include <generated/csr.h>
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#include <grainuum.h>
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#include <printf.h>
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__attribute__((weak))
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void grainuumConnectPre(struct GrainuumUSB *usb)
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__attribute__((weak)) void grainuumConnectPre(struct GrainuumUSB *usb)
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{
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(void)usb;
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}
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__attribute__((weak))
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void grainuumConnectPost(struct GrainuumUSB *usb)
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__attribute__((weak)) void grainuumConnectPost(struct GrainuumUSB *usb)
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{
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(void)usb;
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}
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__attribute__((weak))
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void grainuumDisconnectPre(struct GrainuumUSB *usb)
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__attribute__((weak)) void grainuumDisconnectPre(struct GrainuumUSB *usb)
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{
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(void)usb;
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}
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__attribute__((weak))
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void grainuumDisconnectPost(struct GrainuumUSB *usb)
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__attribute__((weak)) void grainuumDisconnectPost(struct GrainuumUSB *usb)
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{
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(void)usb;
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}
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__attribute__((weak))
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void grainuumReceivePacket(struct GrainuumUSB *usb)
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__attribute__((weak)) void grainuumReceivePacket(struct GrainuumUSB *usb)
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{
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(void)usb;
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}
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__attribute__((weak))
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void grainuumInitPre(struct GrainuumUSB *usb)
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__attribute__((weak)) void grainuumInitPre(struct GrainuumUSB *usb)
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{
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(void)usb;
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}
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__attribute__((weak))
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void grainuumInitPost(struct GrainuumUSB *usb)
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__attribute__((weak)) void grainuumInitPost(struct GrainuumUSB *usb)
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{
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(void)usb;
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}
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/* --- */
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void grainuum_receive_packet(struct GrainuumUSB *usb) {
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void grainuum_receive_packet(struct GrainuumUSB *usb)
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{
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grainuumReceivePacket(usb);
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}
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int grainuumCaptureI(struct GrainuumUSB *usb, uint8_t samples[67])
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{
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#if 0
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int ret;
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const uint8_t nak_pkt[] = {USB_PID_NAK};
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const uint8_t ack_pkt[] = {USB_PID_ACK};
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@ -133,6 +129,45 @@ int grainuumCaptureI(struct GrainuumUSB *usb, uint8_t samples[67])
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}
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return ret;
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#endif
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uint8_t obufbuf[128];
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uint32_t obufbuf_cnt = 0;
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while (!usb_ep_0_out_obuf_empty_read())
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{
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uint32_t obh = usb_ep_0_out_obuf_head_read();
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obufbuf[obufbuf_cnt++] = obh;
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usb_ep_0_out_obuf_head_write(1);
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}
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int i;
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static int loops;
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uint8_t last_tok = usb_ep_0_out_last_tok_read();
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printf("i: %d b: %d olt: %02x --", loops, obufbuf_cnt, last_tok); //obe: %d obh: %02x\n", i, obe, obh);
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for (i = 0; i < obufbuf_cnt; i++)
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{
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printf(" %02x", obufbuf[i]);
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}
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printf("\n");
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usb_ep_0_out_ev_pending_write((1 << 1));
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// Response
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if (!usb_ep_0_in_ibuf_empty_read())
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{
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printf("USB ibuf still has data\n");
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return 0;
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}
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uint32_t usb_in_pending = usb_ep_0_out_ev_pending_read();
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if (usb_in_pending)
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{
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printf("USB EP0 in pending is: %02x\n", usb_in_pending);
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return 0;
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}
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grainuumProcess(usb, obufbuf, obufbuf_cnt);
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return 0;
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}
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int grainuumInitialized(struct GrainuumUSB *usb)
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@ -143,16 +178,34 @@ int grainuumInitialized(struct GrainuumUSB *usb)
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return usb->initialized;
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}
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enum usb_responses {
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USB_STALL = 0b11,
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USB_ACK = 0b00,
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USB_NAK = 0b01,
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USB_NONE = 0b10,
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};
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void grainuumWriteQueue(struct GrainuumUSB *usb, int epnum,
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const void *buffer, int size)
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{
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usb->queued_data = buffer;
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usb->queued_epnum = epnum;
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usb->queued_size = size;
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int i;
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const uint8_t *buffer_u8 = buffer;
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for (i = 0; i < size; i++)
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{
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usb_ep_0_in_ibuf_head_write(buffer_u8[i]);
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}
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// Indicate that we respond with an ACK
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usb_ep_0_in_respond_write(USB_ACK);
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usb_ep_0_in_ev_pending_write(0xff);
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}
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void grainuumInit(struct GrainuumUSB *usb,
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struct GrainuumConfig *cfg) {
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struct GrainuumConfig *cfg)
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{
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if (usb->initialized)
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return;
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@ -168,7 +221,8 @@ void grainuumInit(struct GrainuumUSB *usb,
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grainuumInitPost(usb);
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}
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void grainuumDisconnect(struct GrainuumUSB *usb) {
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void grainuumDisconnect(struct GrainuumUSB *usb)
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{
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grainuumDisconnectPre(usb);
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@ -177,7 +231,8 @@ void grainuumDisconnect(struct GrainuumUSB *usb) {
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grainuumDisconnectPost(usb);
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}
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void grainuumConnect(struct GrainuumUSB *usb) {
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void grainuumConnect(struct GrainuumUSB *usb)
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{
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grainuumConnectPre(usb);
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@ -29,6 +29,7 @@
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* authorization. *
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****************************************************************************/
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#include "grainuum.h"
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#include <printf.h>
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#ifndef NULL
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#define NULL ((void *)0)
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@ -316,13 +317,15 @@ static inline void grainuum_state_parse_token(struct GrainuumState *state,
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}
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void grainuumProcess(struct GrainuumUSB *usb,
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const uint8_t packet[GRAINUUM_PACKET_SIZE_MAX + 3])
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const uint8_t packet[GRAINUUM_PACKET_SIZE_MAX + 3],
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uint32_t size)
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{
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uint32_t size = packet[GRAINUUM_PACKET_SIZE_MAX + 3];
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// uint32_t size = packet[GRAINUUM_PACKET_SIZE_MAX + 3];
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struct GrainuumState *state = &usb->state;
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switch(packet[0]) {
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case USB_PID_SETUP:
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printf("Setup packet!\n");
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state->packet_type = packet_type_setup;
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grainuum_state_clear_tx(state, 1);
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grainuum_state_parse_token(state, packet + 1);
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66
src/main.c
66
src/main.c
@ -7,13 +7,6 @@
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#include <generated/csr.h>
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enum usb_responses {
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USB_STALL = 0b11,
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USB_ACK = 0b00,
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USB_NAK = 0b01,
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USB_NONE = 0b10,
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};
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void isr(void)
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{
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unsigned int irqs;
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@ -43,12 +36,6 @@ static void init(void)
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init_printf(NULL, rv_putchar);
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}
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static uint32_t read_timer(void)
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{
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timer0_update_value_write(1);
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return timer0_value_read();
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}
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#ifdef CSR_USB_EP_0_OUT_EV_PENDING_ADDR
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struct usb_status
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{
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@ -86,40 +73,13 @@ static void get_print_status(void)
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if (s.out_ev_pending & (1 << 1)) {
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loops++;
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uint8_t obufbuf[128];
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while (!usb_ep_0_out_obuf_empty_read()) {
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uint32_t obh = usb_ep_0_out_obuf_head_read();
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obufbuf[obufbuf_cnt++] = obh;
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usb_ep_0_out_obuf_head_write(1);
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}
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int i;
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printf("i: %d b: %d olt: %02x --", loops, obufbuf_cnt, s.out_last_tok);//obe: %d obh: %02x\n", i, obe, obh);
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for (i = 0; i < obufbuf_cnt; i++) {
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printf(" %02x", obufbuf[i]);
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}
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printf("\n");
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usb_ep_0_out_ev_pending_write((1 << 1));
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// Response
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if (!usb_ep_0_in_ibuf_empty_read()) {
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printf("USB ibuf still has data\n");
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return;
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}
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uint32_t usb_in_pending = usb_ep_0_out_ev_pending_read();
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if (usb_in_pending) {
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printf("USB EP0 in pending is: %02x\n", usb_in_pending);
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return;
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}
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for (i = 0; i < 0x20; i++) {
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usb_ep_0_in_ibuf_head_write(i);
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}
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// Indicate that we respond with an ACK
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usb_ep_0_in_respond_write(USB_ACK);
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usb_ep_0_in_ev_pending_write(0xff);
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usb_isr();
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// for (i = 0; i < 0x20; i++) {
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// usb_ep_0_in_ibuf_head_write(i);
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// }
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// // Indicate that we respond with an ACK
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// usb_ep_0_in_respond_write(USB_ACK);
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// usb_ep_0_in_ev_pending_write(0xff);
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}
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}
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#else
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@ -166,26 +126,14 @@ int main(int argc, char **argv)
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printf("Status: %d\n", usb_ep_0_out_obuf_empty_read());
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get_print_status();
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int i = 0;
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printf("Hello, world!\n");
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int last_event = 0;
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while (1)
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{
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// unsigned int timer_val_ok = read_timer();
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// int elapsed(int *last_event, int period)
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elapsed(&last_event, 1000);
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unsigned int timer_val_cur;
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// timer_val_cur = read_timer();
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// printf("10 PRINT HELLO, WORLD\n");
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// printf("20 GOTO 10\n");
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// printf("i: %d\n", i++);
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// timer_val_cur = read_timer();
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get_print_status();
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// while (timer0_value_read() != timer_val_ok) {
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// ;
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// }
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}
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return 0;
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}
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326
src/usb.c
326
src/usb.c
@ -1,9 +1,329 @@
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#include <grainuum.h>
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#include <usb.h>
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#include <generated/csr.h>
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#include <string.h>
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void usb_init(void) {
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// usb_pullup_out_write(1);
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#define NUM_BUFFERS 4
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#define BUFFER_SIZE 64
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#define EP_INTERVAL_MS 6
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static struct GrainuumUSB usb;
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static uint8_t usb_buf[67];
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static uint32_t rx_buffer[NUM_BUFFERS][BUFFER_SIZE / sizeof(uint32_t)];
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static uint8_t rx_buffer_head;
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static uint8_t rx_buffer_tail;
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static uint32_t rx_buffer_queries = 0;
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static void set_usb_config_num(struct GrainuumUSB *usb, int configNum)
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{
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(void)usb;
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(void)configNum;
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;
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}
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static const uint8_t hid_report_descriptor[] = {
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0x06, 0x00, 0xFF, // (GLOBAL) USAGE_PAGE 0xFF00 Vendor-defined
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0x09, 0x00, // (LOCAL) USAGE 0xFF000000
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0xA1, 0x01, // (MAIN) COLLECTION 0x01 Application (Usage=0xFF000000: Page=Vendor-defined, Usage=, Type=)
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0x26, 0xFF, 0x00, // (GLOBAL) LOGICAL_MAXIMUM 0x00FF (255)
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0x75, 0x08, // (GLOBAL) REPORT_SIZE 0x08 (8) Number of bits per field
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0x95, 0x08, // (GLOBAL) REPORT_COUNT 0x08 (8) Number of fields
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0x06, 0xFF, 0xFF, // (GLOBAL) USAGE_PAGE 0xFFFF Vendor-defined
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0x09, 0x01, // (LOCAL) USAGE 0xFFFF0001
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0x81, 0x02, // (MAIN) INPUT 0x00000002 (8 fields x 8 bits) 0=Data 1=Variable 0=Absolute 0=NoWrap 0=Linear 0=PrefState 0=NoNull 0=NonVolatile 0=Bitmap
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0x09, 0x01, // (LOCAL) USAGE 0xFFFF0001
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0x91, 0x02, // (MAIN) OUTPUT 0x00000002 (8 fields x 8 bits) 0=Data 1=Variable 0=Absolute 0=NoWrap 0=Linear 0=PrefState 0=NoNull 0=NonVolatile 0=Bitmap
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0xC0, // (MAIN) END_COLLECTION Application
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};
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static const struct usb_device_descriptor device_descriptor = {
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.bLength = 18, //sizeof(struct usb_device_descriptor),
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.bDescriptorType = DT_DEVICE, /* DEVICE */
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.bcdUSB = 0x0200, /* USB 2.0 */
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.bDeviceClass = 0x00,
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.bDeviceSubClass = 0x00,
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.bDeviceProtocol = 0x00,
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.bMaxPacketSize0 = 0x08, /* 8-byte packets max */
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.idVendor = 0x1209,
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.idProduct = 0x9317,
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.bcdDevice = 0x0114, /* Device release 1.14 */
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.iManufacturer = 0x02, /* No manufacturer string */
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.iProduct = 0x01, /* Product name in string #2 */
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.iSerialNumber = 0x03, /* No serial number */
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.bNumConfigurations = 0x01,
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};
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static const struct usb_configuration_descriptor configuration_descriptor = {
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.bLength = 9, //sizeof(struct usb_configuration_descriptor),
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.bDescriptorType = DT_CONFIGURATION,
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.wTotalLength = (9 + /*9 + 9 + 7 +*/ 9 + 9 + 7 + 7) /*
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(sizeof(struct usb_configuration_descriptor)
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+ sizeof(struct usb_interface_descriptor)
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+ sizeof(struct usb_hid_descriptor)
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+ sizeof(struct usb_endpoint_descriptor)*/,
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.bNumInterfaces = 1,
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.bConfigurationValue = 1,
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.iConfiguration = 5,
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.bmAttributes = 0x80, /* Remote wakeup not supported */
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.bMaxPower = 100 / 2, /* 100 mA (in 2-mA units) */
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.data = {
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/* struct usb_interface_descriptor { */
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/* uint8_t bLength; */ 9,
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/* uint8_t bDescriptorType; */ DT_INTERFACE,
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/* uint8_t bInterfaceNumber; */ 0,
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/* uint8_t bAlternateSetting; */ 0,
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/* uint8_t bNumEndpoints; */ 2, /* Two extra EPs */
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/* uint8_t bInterfaceClass; */ 3, /* HID class */
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/* uint8_t bInterfaceSubclass; */ 0, /* Boot Device subclass */
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/* uint8_t bInterfaceProtocol; */ 0, /* 1 == keyboard, 2 == mouse */
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/* uint8_t iInterface; */ 4, /* String index #4 */
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/* }*/
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/* struct usb_hid_descriptor { */
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/* uint8_t bLength; */ 9,
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/* uint8_t bDescriptorType; */ DT_HID,
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/* uint16_t bcdHID; */ 0x11, 0x01,
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/* uint8_t bCountryCode; */ 0,
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/* uint8_t bNumDescriptors; */ 1, /* We have only one REPORT */
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/* uint8_t bReportDescriptorType; */ DT_HID_REPORT,
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/* uint16_t wReportDescriptorLength; */ sizeof(hid_report_descriptor),
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sizeof(hid_report_descriptor) >> 8,
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/* } */
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/* struct usb_endpoint_descriptor { */
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/* uint8_t bLength; */ 7,
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/* uint8_t bDescriptorType; */ DT_ENDPOINT,
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/* uint8_t bEndpointAddress; */ 0x81, /* EP1 (IN) */
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/* uint8_t bmAttributes; */ 3, /* Interrupt */
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/* uint16_t wMaxPacketSize; */ 0x08, 0x00,
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/* uint8_t bInterval; */ EP_INTERVAL_MS, /* Every 6 ms */
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/* } */
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/* struct usb_endpoint_descriptor { */
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/* uint8_t bLength; */ 7,
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/* uint8_t bDescriptorType; */ DT_ENDPOINT,
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/* uint8_t bEndpointAddress; */ 0x01, /* EP1 (OUT) */
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/* uint8_t bmAttributes; */ 3, /* Interrupt */
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/* uint16_t wMaxPacketSize; */ 0x08, 0x00,
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/* uint8_t bInterval; */ EP_INTERVAL_MS, /* Every 6 ms */
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/* } */
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},
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};
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#define USB_STR_BUF_LEN 64
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static uint32_t str_buf_storage[USB_STR_BUF_LEN / sizeof(uint32_t)];
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static int send_string_descriptor(const char *str, const void **data)
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{
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int len;
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int max_len;
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uint8_t *str_buf = (uint8_t *)str_buf_storage;
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uint8_t *str_offset = str_buf;
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len = strlen(str);
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max_len = (USB_STR_BUF_LEN / 2) - 2;
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if (len > max_len)
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len = max_len;
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*str_offset++ = (len * 2) + 2; // Two bytes for length count
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*str_offset++ = DT_STRING; // Sending a string descriptor
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while (len--)
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{
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*str_offset++ = *str++;
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*str_offset++ = 0;
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}
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*data = str_buf;
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|
||||
// Return the size, which is stored in the first byte of the output data.
|
||||
return str_buf[0];
|
||||
}
|
||||
|
||||
static int get_string_descriptor(struct GrainuumUSB *usb,
|
||||
uint32_t num,
|
||||
const void **data)
|
||||
{
|
||||
|
||||
static const uint8_t en_us[] = {0x04, DT_STRING, 0x09, 0x04};
|
||||
|
||||
(void)usb;
|
||||
|
||||
if (num == 0)
|
||||
{
|
||||
*data = en_us;
|
||||
return sizeof(en_us);
|
||||
}
|
||||
|
||||
// Product
|
||||
if (num == 1)
|
||||
return send_string_descriptor("Palawan Bootloader", data);
|
||||
|
||||
if (num == 2)
|
||||
return send_string_descriptor("21", data);
|
||||
|
||||
if (num == 3)
|
||||
return send_string_descriptor("1236", data);
|
||||
|
||||
if (num == 4)
|
||||
return send_string_descriptor("12345", data);
|
||||
|
||||
if (num == 5)
|
||||
return send_string_descriptor("54", data);
|
||||
|
||||
if (num == 6)
|
||||
return send_string_descriptor("12345678901234", data);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int get_device_descriptor(struct GrainuumUSB *usb,
|
||||
uint32_t num,
|
||||
const void **data)
|
||||
{
|
||||
|
||||
(void)usb;
|
||||
|
||||
if (num == 0)
|
||||
{
|
||||
*data = &device_descriptor;
|
||||
return sizeof(device_descriptor);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int get_hid_report_descriptor(struct GrainuumUSB *usb,
|
||||
uint32_t num,
|
||||
const void **data)
|
||||
{
|
||||
|
||||
(void)usb;
|
||||
|
||||
if (num == 0)
|
||||
{
|
||||
*data = &hid_report_descriptor;
|
||||
return sizeof(hid_report_descriptor);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int get_configuration_descriptor(struct GrainuumUSB *usb,
|
||||
uint32_t num,
|
||||
const void **data)
|
||||
{
|
||||
|
||||
(void)usb;
|
||||
|
||||
if (num == 0)
|
||||
{
|
||||
*data = &configuration_descriptor;
|
||||
return configuration_descriptor.wTotalLength;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int get_descriptor(struct GrainuumUSB *usb,
|
||||
const void *packet,
|
||||
const void **response)
|
||||
{
|
||||
|
||||
const struct usb_setup_packet *setup = packet;
|
||||
|
||||
switch (setup->wValueH)
|
||||
{
|
||||
case DT_DEVICE:
|
||||
return get_device_descriptor(usb, setup->wValueL, response);
|
||||
|
||||
case DT_STRING:
|
||||
return get_string_descriptor(usb, setup->wValueL, response);
|
||||
|
||||
case DT_CONFIGURATION:
|
||||
return get_configuration_descriptor(usb, setup->wValueL, response);
|
||||
|
||||
case DT_HID_REPORT:
|
||||
return get_hid_report_descriptor(usb, setup->wValueL, response);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void *get_usb_rx_buffer(struct GrainuumUSB *usb,
|
||||
uint8_t epNum,
|
||||
int32_t *size)
|
||||
{
|
||||
(void)usb;
|
||||
(void)epNum;
|
||||
|
||||
if (size)
|
||||
*size = sizeof(rx_buffer[0]);
|
||||
rx_buffer_queries++;
|
||||
return rx_buffer[rx_buffer_head];
|
||||
}
|
||||
|
||||
static int received_data(struct GrainuumUSB *usb,
|
||||
uint8_t epNum,
|
||||
uint32_t bytes,
|
||||
const void *data)
|
||||
{
|
||||
(void)usb;
|
||||
(void)epNum;
|
||||
(void)bytes;
|
||||
(void)data;
|
||||
|
||||
if (epNum == 1)
|
||||
{
|
||||
rx_buffer_head = (rx_buffer_head + 1) & (NUM_BUFFERS - 1);
|
||||
}
|
||||
|
||||
/* Return 0, indicating this packet is complete. */
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int send_data_finished(struct GrainuumUSB *usb, int result)
|
||||
{
|
||||
(void)usb;
|
||||
(void)result;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct GrainuumConfig cfg = {
|
||||
.getDescriptor = get_descriptor,
|
||||
.getReceiveBuffer = get_usb_rx_buffer,
|
||||
.receiveData = received_data,
|
||||
.sendDataFinished = send_data_finished,
|
||||
.setConfigNum = set_usb_config_num,
|
||||
};
|
||||
|
||||
void usb_isr(void) {
|
||||
|
||||
grainuumCaptureI(&usb, usb_buf);
|
||||
return;
|
||||
}
|
||||
|
||||
void usb_init(void) {
|
||||
grainuumInit(&usb, &cfg);
|
||||
grainuumConnect(&usb);
|
||||
return;
|
||||
}
|
||||
|
||||
void usbPhyWriteI(const struct GrainuumUSB *usb, const void *buffer, uint32_t size) {
|
||||
(void)usb;
|
||||
const uint8_t *ubuffer = (const uint8_t *)buffer;
|
||||
uint32_t i = 0;
|
||||
while (i < size)
|
||||
usb_obuf_head_write(ubuffer[i]);
|
||||
}
|
||||
|
||||
int usbPhyReadI(const struct GrainuumUSB *usb, uint8_t *samples) {
|
||||
(void)usb;
|
||||
int count = 0;
|
||||
while (!usb_ibuf_empty_read()) {
|
||||
samples[count++] = usb_ibuf_head_read();
|
||||
}
|
||||
return count;
|
||||
}
|
||||
75
third_party/libbase/libc.c
vendored
75
third_party/libbase/libc.c
vendored
@ -40,3 +40,78 @@ strlen(const char *str)
|
||||
;
|
||||
return (s - str);
|
||||
}
|
||||
|
||||
/**
|
||||
* memcpy - Copies one area of memory to another
|
||||
* @dest: Destination
|
||||
* @src: Source
|
||||
* @n: The size to copy.
|
||||
*/
|
||||
void *memcpy(void *to, const void *from, size_t n)
|
||||
{
|
||||
void *xto = to;
|
||||
size_t temp;
|
||||
|
||||
if(!n)
|
||||
return xto;
|
||||
if((long)to & 1) {
|
||||
char *cto = to;
|
||||
const char *cfrom = from;
|
||||
*cto++ = *cfrom++;
|
||||
to = cto;
|
||||
from = cfrom;
|
||||
n--;
|
||||
}
|
||||
if((long)from & 1) {
|
||||
char *cto = to;
|
||||
const char *cfrom = from;
|
||||
for (; n; n--)
|
||||
*cto++ = *cfrom++;
|
||||
return xto;
|
||||
}
|
||||
if(n > 2 && (long)to & 2) {
|
||||
short *sto = to;
|
||||
const short *sfrom = from;
|
||||
*sto++ = *sfrom++;
|
||||
to = sto;
|
||||
from = sfrom;
|
||||
n -= 2;
|
||||
}
|
||||
if((long)from & 2) {
|
||||
short *sto = to;
|
||||
const short *sfrom = from;
|
||||
temp = n >> 1;
|
||||
for (; temp; temp--)
|
||||
*sto++ = *sfrom++;
|
||||
to = sto;
|
||||
from = sfrom;
|
||||
if(n & 1) {
|
||||
char *cto = to;
|
||||
const char *cfrom = from;
|
||||
*cto = *cfrom;
|
||||
}
|
||||
return xto;
|
||||
}
|
||||
temp = n >> 2;
|
||||
if(temp) {
|
||||
long *lto = to;
|
||||
const long *lfrom = from;
|
||||
for(; temp; temp--)
|
||||
*lto++ = *lfrom++;
|
||||
to = lto;
|
||||
from = lfrom;
|
||||
}
|
||||
if(n & 2) {
|
||||
short *sto = to;
|
||||
const short *sfrom = from;
|
||||
*sto++ = *sfrom++;
|
||||
to = sto;
|
||||
from = sfrom;
|
||||
}
|
||||
if(n & 1) {
|
||||
char *cto = to;
|
||||
const char *cfrom = from;
|
||||
*cto = *cfrom;
|
||||
}
|
||||
return xto;
|
||||
}
|
||||
65
third_party/printf.c
vendored
65
third_party/printf.c
vendored
@ -35,7 +35,6 @@ typedef void (*putcf) (void*,char);
|
||||
static putcf stdout_putf;
|
||||
static void *stdout_putp;
|
||||
|
||||
|
||||
#ifdef PRINTF_LONG_SUPPORT
|
||||
|
||||
static void uli2a(unsigned long int num, unsigned int base, int uc, char *bf)
|
||||
@ -44,11 +43,13 @@ static void uli2a(unsigned long int num, unsigned int base, int uc,char * bf)
|
||||
unsigned int d = 1;
|
||||
while (num / d >= base)
|
||||
d *= base;
|
||||
while (d!=0) {
|
||||
while (d != 0)
|
||||
{
|
||||
int dgt = num / d;
|
||||
num %= d;
|
||||
d /= base;
|
||||
if (n || dgt>0|| d==0) {
|
||||
if (n || dgt > 0 || d == 0)
|
||||
{
|
||||
*bf++ = dgt + (dgt < 10 ? '0' : (uc ? 'A' : 'a') - 10);
|
||||
++n;
|
||||
}
|
||||
@ -58,7 +59,8 @@ static void uli2a(unsigned long int num, unsigned int base, int uc,char * bf)
|
||||
|
||||
static void li2a(long num, char *bf)
|
||||
{
|
||||
if (num<0) {
|
||||
if (num < 0)
|
||||
{
|
||||
num = -num;
|
||||
*bf++ = '-';
|
||||
}
|
||||
@ -73,11 +75,13 @@ static void ui2a(unsigned int num, unsigned int base, int uc,char * bf)
|
||||
unsigned int d = 1;
|
||||
while (num / d >= base)
|
||||
d *= base;
|
||||
while (d!=0) {
|
||||
while (d != 0)
|
||||
{
|
||||
int dgt = num / d;
|
||||
num %= d;
|
||||
d /= base;
|
||||
if (n || dgt>0 || d==0) {
|
||||
if (n || dgt > 0 || d == 0)
|
||||
{
|
||||
*bf++ = dgt + (dgt < 10 ? '0' : (uc ? 'A' : 'a') - 10);
|
||||
++n;
|
||||
}
|
||||
@ -87,7 +91,8 @@ static void ui2a(unsigned int num, unsigned int base, int uc,char * bf)
|
||||
|
||||
static void i2a(int num, char *bf)
|
||||
{
|
||||
if (num<0) {
|
||||
if (num < 0)
|
||||
{
|
||||
num = -num;
|
||||
*bf++ = '-';
|
||||
}
|
||||
@ -102,7 +107,8 @@ static int a2d(char ch)
|
||||
return ch - 'a' + 10;
|
||||
else if (ch >= 'A' && ch <= 'F')
|
||||
return ch - 'A' + 10;
|
||||
else return -1;
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
|
||||
static char a2i(char ch, char **src, int base, int *nump)
|
||||
@ -110,8 +116,10 @@ static char a2i(char ch, char** src,int base,int* nump)
|
||||
char *p = *src;
|
||||
int num = 0;
|
||||
int digit;
|
||||
while ((digit=a2d(ch))>=0) {
|
||||
if (digit>base) break;
|
||||
while ((digit = a2d(ch)) >= 0)
|
||||
{
|
||||
if (digit > base)
|
||||
break;
|
||||
num = num * base + digit;
|
||||
ch = *p++;
|
||||
}
|
||||
@ -139,34 +147,40 @@ void tfp_format(void* putp,putcf putf,char *fmt, va_list va)
|
||||
|
||||
char ch;
|
||||
|
||||
|
||||
while ((ch=*(fmt++))) {
|
||||
while ((ch = *(fmt++)))
|
||||
{
|
||||
if (ch != '%')
|
||||
putf(putp, ch);
|
||||
else {
|
||||
else
|
||||
{
|
||||
char lz = 0;
|
||||
#ifdef PRINTF_LONG_SUPPORT
|
||||
char lng = 0;
|
||||
#endif
|
||||
int w = 0;
|
||||
ch = *(fmt++);
|
||||
if (ch=='0') {
|
||||
if (ch == '0')
|
||||
{
|
||||
ch = *(fmt++);
|
||||
lz = 1;
|
||||
}
|
||||
if (ch>='0' && ch<='9') {
|
||||
if (ch >= '0' && ch <= '9')
|
||||
{
|
||||
ch = a2i(ch, &fmt, 10, &w);
|
||||
}
|
||||
#ifdef PRINTF_LONG_SUPPORT
|
||||
if (ch=='l') {
|
||||
if (ch == 'l')
|
||||
{
|
||||
ch = *(fmt++);
|
||||
lng = 1;
|
||||
}
|
||||
#endif
|
||||
switch (ch) {
|
||||
switch (ch)
|
||||
{
|
||||
case 0:
|
||||
goto abort;
|
||||
case 'u' : {
|
||||
case 'u':
|
||||
{
|
||||
#ifdef PRINTF_LONG_SUPPORT
|
||||
if (lng)
|
||||
uli2a(va_arg(va, unsigned long int), 10, 0, bf);
|
||||
@ -176,7 +190,8 @@ void tfp_format(void* putp,putcf putf,char *fmt, va_list va)
|
||||
putchw(putp, putf, w, lz, bf);
|
||||
break;
|
||||
}
|
||||
case 'd' : {
|
||||
case 'd':
|
||||
{
|
||||
#ifdef PRINTF_LONG_SUPPORT
|
||||
if (lng)
|
||||
li2a(va_arg(va, unsigned long int), bf);
|
||||
@ -186,7 +201,8 @@ void tfp_format(void* putp,putcf putf,char *fmt, va_list va)
|
||||
putchw(putp, putf, w, lz, bf);
|
||||
break;
|
||||
}
|
||||
case 'x': case 'X' :
|
||||
case 'x':
|
||||
case 'X':
|
||||
#ifdef PRINTF_LONG_SUPPORT
|
||||
if (lng)
|
||||
uli2a(va_arg(va, unsigned long int), 16, (ch == 'X'), bf);
|
||||
@ -211,7 +227,6 @@ void tfp_format(void* putp,putcf putf,char *fmt, va_list va)
|
||||
abort:;
|
||||
}
|
||||
|
||||
|
||||
void init_printf(void *putp, void (*putf)(void *, char))
|
||||
{
|
||||
stdout_putf = putf;
|
||||
@ -231,8 +246,6 @@ static void putcp(void* p,char c)
|
||||
*(*((char **)p))++ = c;
|
||||
}
|
||||
|
||||
|
||||
|
||||
void tfp_sprintf(char *s, char *fmt, ...)
|
||||
{
|
||||
va_list va;
|
||||
@ -242,4 +255,8 @@ void tfp_sprintf(char* s,char *fmt, ...)
|
||||
va_end(va);
|
||||
}
|
||||
|
||||
|
||||
int puts(const char *s) {
|
||||
while (*s++)
|
||||
stdout_putf(stdout_putp, *s);
|
||||
stdout_putf(stdout_putp, '\n');
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user