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WIP: bit-banging I2C support for EEPROM access on QMOD

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for now, it just continuously reads the EEPROM bytes and dumps them to
the serial console for testing.
This commit is contained in:
Harald Welte
2016-08-21 19:33:24 +02:00
parent a02b641650
commit 226b40aba4
4 changed files with 225 additions and 1 deletions
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13
firmware/src_simtrace/main.c
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@@ -97,6 +97,7 @@ void USART0_IrqHandler(void)
config_func_ptrs[simtrace_config].usart0_irq();
}
#include "i2c.h"
/*------------------------------------------------------------------------------
* Main
*------------------------------------------------------------------------------*/
@@ -131,6 +132,18 @@ extern int main(void)
g_unique_id[0], g_unique_id[1],
g_unique_id[2], g_unique_id[3]);
#if 1
static const Pin pin_hub_rst = {PIO_PA13, PIOA, ID_PIOA, PIO_OUTPUT_1, PIO_DEFAULT};
PIO_Configure(&pin_hub_rst, 1);
i2c_pin_init();
while (1) {
for (i = 0; i < 256; i ++) {
int byte = eeprom_read_byte(0x50, i);
TRACE_INFO("0x%02x: %02x\r\n", i, byte);
}
}
#endif
TRACE_INFO("USB init...\r\n");
while (USBD_GetState() < USBD_STATE_CONFIGURED) {
if (i >= MAX_USB_ITER * 3) {