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Introduce sysinit.c, better debug log, more verbose Makefile

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cpq committed 2023-02-06 21:26:14 +00:00
1 parent 2ddf71ec46
commit f5ff7cfcf1
9 files changed
+169 -135
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mip/driver_stm32.c
+6 -10
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@@ -27,13 +27,11 @@ static uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS]; // RX descriptors
static uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS]; // TX descriptors
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE]; // RX ethernet buffers
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE]; // TX ethernet buffers
static struct mip_if *s_ifp; // MIP interface
enum {
PHY_ADDR = 0,
PHY_BCR = 0,
PHY_BSR = 1,
PHY_CSCR = 31
}; // PHY constants
static uint8_t s_txno; // Current TX descriptor
static uint8_t s_rxno; // Current RX descriptor
static struct mip_if *s_ifp; // MIP interface
enum { PHY_ADDR = 0, PHY_BCR = 0, PHY_BSR = 1, PHY_CSCR = 31 };
static uint32_t eth_read_phy(uint8_t addr, uint8_t reg) {
ETH->MACMIIAR &= (7 << 2);
@@ -156,13 +154,13 @@ static bool mip_driver_stm32_init(struct mip_if *ifp) {
return true;
}
static uint32_t s_txno;
static size_t mip_driver_stm32_tx(const void *buf, size_t len,
struct mip_if *ifp) {
if (len > sizeof(s_txbuf[s_txno])) {
MG_ERROR(("Frame too big, %ld", (long) len));
len = 0; // Frame is too big
} else if ((s_txdesc[s_txno][0] & BIT(31))) {
ifp->nerr++;
MG_ERROR(("No free descriptors"));
// printf("D0 %lx SR %lx\n", (long) s_txdesc[0][0], (long) ETH->DMASR);
len = 0; // All descriptors are busy, fail
@@ -176,7 +174,6 @@ static size_t mip_driver_stm32_tx(const void *buf, size_t len,
ETH->DMASR = BIT(2) | BIT(5); // Clear any prior TBUS/TUS
ETH->DMATPDR = 0; // and resume
return len;
(void) ifp;
}
static bool mip_driver_stm32_up(struct mip_if *ifp) {
@@ -195,7 +192,6 @@ static bool mip_driver_stm32_up(struct mip_if *ifp) {
}
void ETH_IRQHandler(void);
static uint32_t s_rxno;
void ETH_IRQHandler(void) {
qp_mark(QP_IRQTRIGGERED, 0);
if (ETH->DMASR & BIT(6)) { // Frame received, loop